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-rw-r--r--src/arrow/ruby/Gemfile22
-rw-r--r--src/arrow/ruby/README.md36
-rw-r--r--src/arrow/ruby/Rakefile56
-rw-r--r--src/arrow/ruby/red-arrow-cuda/.gitignore19
-rw-r--r--src/arrow/ruby/red-arrow-cuda/Gemfile24
-rw-r--r--src/arrow/ruby/red-arrow-cuda/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-arrow-cuda/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-arrow-cuda/README.md60
-rw-r--r--src/arrow/ruby/red-arrow-cuda/Rakefile41
-rw-r--r--src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb29
-rw-r--r--src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb25
-rw-r--r--src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb35
-rw-r--r--src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb26
-rw-r--r--src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec51
-rw-r--r--src/arrow/ruby/red-arrow-cuda/test/helper.rb20
-rwxr-xr-xsrc/arrow/ruby/red-arrow-cuda/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb38
-rw-r--r--src/arrow/ruby/red-arrow-dataset/.gitignore19
-rw-r--r--src/arrow/ruby/red-arrow-dataset/Gemfile24
-rw-r--r--src/arrow/ruby/red-arrow-dataset/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-arrow-dataset/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-arrow-dataset/README.md50
-rw-r--r--src/arrow/ruby/red-arrow-dataset/Rakefile41
-rw-r--r--src/arrow/ruby/red-arrow-dataset/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset.rb29
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-loadable.rb61
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-savable.rb69
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/dataset.rb29
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-format.rb59
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-system-dataset-factory.rb39
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/loader.rb39
-rw-r--r--src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb26
-rw-r--r--src/arrow/ruby/red-arrow-dataset/red-arrow-dataset.gemspec51
-rw-r--r--src/arrow/ruby/red-arrow-dataset/test/helper.rb22
-rwxr-xr-xsrc/arrow/ruby/red-arrow-dataset/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb80
-rw-r--r--src/arrow/ruby/red-arrow-dataset/test/test-file-system-dataset.rb38
-rw-r--r--src/arrow/ruby/red-arrow-flight/.gitignore18
-rw-r--r--src/arrow/ruby/red-arrow-flight/Gemfile24
-rw-r--r--src/arrow/ruby/red-arrow-flight/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-arrow-flight/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-arrow-flight/README.md50
-rw-r--r--src/arrow/ruby/red-arrow-flight/Rakefile41
-rw-r--r--src/arrow/ruby/red-arrow-flight/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight.rb29
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/call-options.rb35
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/client-options.rb35
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/loader.rb44
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/location.rb31
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/server-options.rb41
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/ticket.rb32
-rw-r--r--src/arrow/ruby/red-arrow-flight/lib/arrow-flight/version.rb26
-rw-r--r--src/arrow/ruby/red-arrow-flight/red-arrow-flight.gemspec52
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/helper.rb22
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/helper/info-generator.rb57
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/helper/server.rb39
-rwxr-xr-xsrc/arrow/ruby/red-arrow-flight/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/test-client.rb46
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/test-location.rb26
-rw-r--r--src/arrow/ruby/red-arrow-flight/test/test-ticket.rb26
-rw-r--r--src/arrow/ruby/red-arrow/.gitignore23
-rw-r--r--src/arrow/ruby/red-arrow/.yardopts6
-rw-r--r--src/arrow/ruby/red-arrow/Gemfile22
-rw-r--r--src/arrow/ruby/red-arrow/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-arrow/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-arrow/README.md75
-rw-r--r--src/arrow/ruby/red-arrow/Rakefile100
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/boolean.yml65
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/decimal128.yml68
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/dictionary.yml75
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/int64.yml67
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/list.yml70
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/string.yml65
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/raw-records/timestamp.yml75
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/boolean.yml37
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/decimal128.yml38
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/dictionary.yml46
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/int64.yml37
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/list.yml44
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/string.yml38
-rw-r--r--src/arrow/ruby/red-arrow/benchmark/values/timestamp.yml49
-rw-r--r--src/arrow/ruby/red-arrow/doc/text/development.md34
-rwxr-xr-xsrc/arrow/ruby/red-arrow/example/read-file.rb36
-rwxr-xr-xsrc/arrow/ruby/red-arrow/example/read-stream.rb36
-rwxr-xr-xsrc/arrow/ruby/red-arrow/example/write-file.rb63
-rwxr-xr-xsrc/arrow/ruby/red-arrow/example/write-stream.rb63
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/arrow.cpp84
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/converters.cpp47
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/converters.hpp795
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/extconf.rb76
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/memory-view.cpp311
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/memory-view.hpp26
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/raw-records.cpp184
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/red-arrow.hpp95
-rw-r--r--src/arrow/ruby/red-arrow/ext/arrow/values.cpp157
-rw-r--r--src/arrow/ruby/red-arrow/image/red-arrow.pngbin0 -> 7165 bytes
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow.rb30
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/aggregate-node-options.rb35
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/aggregation.rb46
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/array-builder.rb214
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/array.rb234
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/bigdecimal-extension.rb28
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/binary-dictionary-array-builder.rb27
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/block-closable.rb35
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/buffer.rb32
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb91
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/column-containable.rb147
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/column.rb76
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/compression-type.rb37
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/constructor-arguments-gc-guardable.rb25
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/csv-loader.rb384
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/csv-read-options.rb43
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/data-type.rb198
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/date32-array-builder.rb32
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/date32-array.rb30
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/date64-array-builder.rb33
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/date64-array.rb29
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/datum.rb100
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal128-array-builder.rb58
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal128-array.rb24
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal128-data-type.rb71
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal128.rb60
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal256-array-builder.rb61
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal256-array.rb25
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal256-data-type.rb73
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/decimal256.rb60
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/dense-union-data-type.rb90
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/dictionary-array.rb24
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/dictionary-data-type.rb117
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/equal-options.rb38
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/expression.rb48
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/field-containable.rb38
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/field.rb118
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/file-output-stream.rb34
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/file-system.rb34
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array-builder.rb38
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array.rb26
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/generic-filterable.rb43
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/generic-takeable.rb38
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/group.rb164
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/list-array-builder.rb96
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/list-data-type.rb118
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/loader.rb216
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/map-array-builder.rb109
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/map-array.rb26
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/map-data-type.rb89
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/null-array-builder.rb26
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/null-array.rb24
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/path-extension.rb45
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/raw-table-converter.rb47
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch-builder.rb114
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch-file-reader.rb28
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch-iterator.rb22
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch-reader.rb41
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch-stream-reader.rb30
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-batch.rb75
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record-containable.rb38
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/record.rb60
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/rolling-window.rb48
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/scalar.rb32
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/schema.rb100
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/slicer.rb355
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/sort-key.rb193
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/sort-options.rb109
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/source-node-options.rb32
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/sparse-union-data-type.rb90
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/string-dictionary-array-builder.rb27
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/struct-array-builder.rb146
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/struct-array.rb68
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/struct-data-type.rb128
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/symbol-values-appendable.rb34
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-concatenate-options.rb36
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-formatter.rb190
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-list-formatter.rb41
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-loader.rb225
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-saver.rb195
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table-table-formatter.rb49
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/table.rb519
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/tensor.rb24
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/time.rb159
-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/time32-array-builder.rb49
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-rw-r--r--src/arrow/ruby/red-arrow/lib/arrow/time64-array-builder.rb49
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-rw-r--r--src/arrow/ruby/red-arrow/red-arrow.gemspec67
-rw-r--r--src/arrow/ruby/red-arrow/test/fixture/TestOrcFile.test1.orcbin0 -> 1711 bytes
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-rw-r--r--src/arrow/ruby/red-arrow/test/test-time.rb288
-rw-r--r--src/arrow/ruby/red-arrow/test/test-time32-array.rb81
-rw-r--r--src/arrow/ruby/red-arrow/test/test-time32-data-type.rb42
-rw-r--r--src/arrow/ruby/red-arrow/test/test-time64-array.rb81
-rw-r--r--src/arrow/ruby/red-arrow/test/test-time64-data-type.rb42
-rw-r--r--src/arrow/ruby/red-arrow/test/test-timestamp-array.rb45
-rw-r--r--src/arrow/ruby/red-arrow/test/test-timestamp-data-type.rb42
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-basic-arrays.rb295
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-dense-union-array.rb482
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-list-array.rb532
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-map-array.rb433
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-sparse-union-array.rb473
-rw-r--r--src/arrow/ruby/red-arrow/test/values/test-struct-array.rb482
-rw-r--r--src/arrow/ruby/red-gandiva/.gitignore19
-rw-r--r--src/arrow/ruby/red-gandiva/Gemfile24
-rw-r--r--src/arrow/ruby/red-gandiva/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-gandiva/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-gandiva/README.md68
-rw-r--r--src/arrow/ruby/red-gandiva/Rakefile41
-rw-r--r--src/arrow/ruby/red-gandiva/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva.rb29
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/arrow-schema.rb25
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder.rb45
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/add.rb40
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/binary-operation.rb38
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/context.rb26
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/divide.rb34
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/elsif.rb36
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/equal.rb33
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/field.rb32
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/greater-than.rb33
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/if.rb75
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/less-than.rb33
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/literal.rb65
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/multiply.rb34
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb45
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/subtract.rb34
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/value.rb55
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/loader.rb49
-rw-r--r--src/arrow/ruby/red-gandiva/lib/gandiva/version.rb26
-rw-r--r--src/arrow/ruby/red-gandiva/red-gandiva.gemspec49
-rw-r--r--src/arrow/ruby/red-gandiva/test/expression-builder/test-add.rb54
-rw-r--r--src/arrow/ruby/red-gandiva/test/expression-builder/test-record.rb45
-rw-r--r--src/arrow/ruby/red-gandiva/test/helper.rb20
-rwxr-xr-xsrc/arrow/ruby/red-gandiva/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-gandiva/test/test-boolean-literal-node.rb24
-rw-r--r--src/arrow/ruby/red-gandiva/test/test-projector.rb49
-rw-r--r--src/arrow/ruby/red-parquet/.gitignore19
-rw-r--r--src/arrow/ruby/red-parquet/Gemfile24
-rw-r--r--src/arrow/ruby/red-parquet/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-parquet/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-parquet/README.md52
-rw-r--r--src/arrow/ruby/red-parquet/Rakefile41
-rw-r--r--src/arrow/ruby/red-parquet/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet.rb29
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet/arrow-table-loadable.rb36
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet/arrow-table-savable.rb52
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet/loader.rb46
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet/version.rb26
-rw-r--r--src/arrow/ruby/red-parquet/lib/parquet/writer-properties.rb28
-rw-r--r--src/arrow/ruby/red-parquet/red-parquet.gemspec49
-rw-r--r--src/arrow/ruby/red-parquet/test/helper.rb22
-rwxr-xr-xsrc/arrow/ruby/red-parquet/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-parquet/test/test-arrow-table.rb99
-rw-r--r--src/arrow/ruby/red-plasma/.gitignore19
-rw-r--r--src/arrow/ruby/red-plasma/Gemfile24
-rw-r--r--src/arrow/ruby/red-plasma/LICENSE.txt202
-rw-r--r--src/arrow/ruby/red-plasma/NOTICE.txt2
-rw-r--r--src/arrow/ruby/red-plasma/README.md58
-rw-r--r--src/arrow/ruby/red-plasma/Rakefile41
-rw-r--r--src/arrow/ruby/red-plasma/dependency-check/Rakefile47
-rw-r--r--src/arrow/ruby/red-plasma/lib/plasma.rb29
-rw-r--r--src/arrow/ruby/red-plasma/lib/plasma/client.rb35
-rw-r--r--src/arrow/ruby/red-plasma/lib/plasma/loader.rb35
-rw-r--r--src/arrow/ruby/red-plasma/lib/plasma/version.rb26
-rw-r--r--src/arrow/ruby/red-plasma/red-plasma.gemspec49
-rw-r--r--src/arrow/ruby/red-plasma/test/helper.rb25
-rw-r--r--src/arrow/ruby/red-plasma/test/helper/omittable.rb36
-rw-r--r--src/arrow/ruby/red-plasma/test/helper/plasma-store.rb57
-rwxr-xr-xsrc/arrow/ruby/red-plasma/test/run-test.rb50
-rw-r--r--src/arrow/ruby/red-plasma/test/test-plasma-client.rb53
354 files changed, 30014 insertions, 0 deletions
diff --git a/src/arrow/ruby/Gemfile b/src/arrow/ruby/Gemfile
new file mode 100644
index 000000000..002a2a0b2
--- /dev/null
+++ b/src/arrow/ruby/Gemfile
@@ -0,0 +1,22 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gem "pkg-config"
diff --git a/src/arrow/ruby/README.md b/src/arrow/ruby/README.md
new file mode 100644
index 000000000..fbcf61520
--- /dev/null
+++ b/src/arrow/ruby/README.md
@@ -0,0 +1,36 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Apache Arrow Ruby
+
+There are the official Ruby bindings for Apache Arrow.
+
+[Red Arrow](https://github.com/apache/arrow/tree/master/ruby/red-arrow) is the base Apache Arrow bindings.
+
+[Red Arrow CUDA](https://github.com/apache/arrow/tree/master/ruby/red-arrow-cuda) is the Apache Arrow bindings of CUDA part.
+
+[Red Arrow Dataset](https://github.com/apache/arrow/tree/master/ruby/red-arrow-dataset) is the Apache Arrow Dataset bindings.
+
+[Red Gandiva](https://github.com/apache/arrow/tree/master/ruby/red-gandiva) is the Gandiva bindings.
+
+[Red Plasma](https://github.com/apache/arrow/tree/master/ruby/red-plasma) is the Plasma bindings.
+
+[Red Parquet](https://github.com/apache/arrow/tree/master/ruby/red-parquet) is the Parquet bindings.
+
+
diff --git a/src/arrow/ruby/Rakefile b/src/arrow/ruby/Rakefile
new file mode 100644
index 000000000..64559eff9
--- /dev/null
+++ b/src/arrow/ruby/Rakefile
@@ -0,0 +1,56 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+
+base_dir = File.join(__dir__)
+
+packages = []
+Dir.glob("#{base_dir}/*/*.gemspec") do |gemspec|
+ package = File.basename(File.dirname(gemspec))
+ glib_package_name = package.gsub(/\Ared-/, "") + "-glib"
+ next unless PKGConfig.exist?(glib_package_name)
+ packages << package
+end
+
+packages.each do |package|
+ desc "Run test for #{package}"
+ task package do
+ cd(File.join(base_dir, package)) do
+ if ENV["USE_BUNDLER"]
+ sh("bundle", "exec", "rake")
+ else
+ ruby("-S", "rake")
+ end
+ end
+ end
+end
+
+sorted_packages = packages.sort_by do |package|
+ if package == "red-arrow"
+ "000-#{package}"
+ else
+ package
+ end
+end
+
+desc "Run test for all packages"
+task all: sorted_packages
+
+task default: :all
diff --git a/src/arrow/ruby/red-arrow-cuda/.gitignore b/src/arrow/ruby/red-arrow-cuda/.gitignore
new file mode 100644
index 000000000..afd93a168
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/.gitignore
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/Gemfile.lock
+/pkg/
diff --git a/src/arrow/ruby/red-arrow-cuda/Gemfile b/src/arrow/ruby/red-arrow-cuda/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-arrow-cuda/LICENSE.txt b/src/arrow/ruby/red-arrow-cuda/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Legal Entity" shall mean the union of the acting entity and all
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+ "Work" shall mean the work of authorship, whether in Source or
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+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
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+ excluding communication that is conspicuously marked or otherwise
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
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+ 2. Grant of Copyright License. Subject to the terms and conditions of
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+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ (except as stated in this section) patent license to make, have made,
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+ 4. Redistribution. You may reproduce and distribute copies of the
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+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
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+ (d) If the Work includes a "NOTICE" text file as part of its
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+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
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+ comment syntax for the file format. We also recommend that a
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+ same "printed page" as the copyright notice for easier
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
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diff --git a/src/arrow/ruby/red-arrow-cuda/NOTICE.txt b/src/arrow/ruby/red-arrow-cuda/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-arrow-cuda/README.md b/src/arrow/ruby/red-arrow-cuda/README.md
new file mode 100644
index 000000000..f05e6640a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/README.md
@@ -0,0 +1,60 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Arrow CUDA - Apache Arrow CUDA Ruby
+
+Red Arrow CUDA is the Ruby bindings of Apache Arrow CUDA. Red Arrow CUDA is based on GObject Introspection.
+
+[Apache Arrow CUDA](https://arrow.apache.org/) is an in-memory columnar data store on GPU.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Arrow CUDA uses [Apache Arrow CUDA GLib](https://github.com/apache/arrow/tree/master/c_glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Arrow CUDA.
+
+Apache Arrow CUDA GLib is a C wrapper for [Apache Arrow CUDA C++](https://github.com/apache/arrow/tree/master/cpp). GObject Introspection can't use Apache Arrow CUDA C++ directly. Apache Arrow CUDA GLib is a bridge between Apache Arrow CUDA C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow CUDA uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Apache Arrow CUDA GLib before install Red Arrow CUDA. Install Apache Arrow GLib before install Red Arrow. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Arrow CUDA after you install Apache Arrow CUDA GLib:
+
+```text
+% gem install red-arrow-cuda
+```
+
+## Usage
+
+```ruby
+require "arrow-cuda"
+
+manager = ArrowCUDA::DeviceManager.new
+if manager.n_devices.zero?
+ raise "No GPU is found"
+end
+
+context = manager[0]
+buffer = ArrowCUDA::Buffer.new(context, 128)
+ArrowCUDA::BufferOutputStream.open(buffer) do |stream|
+ stream.write("Hello World")
+end
+puts buffer.copy_to_host(0, 11) # => "Hello World"
+```
diff --git a/src/arrow/ruby/red-arrow-cuda/Rakefile b/src/arrow/ruby/red-arrow-cuda/Rakefile
new file mode 100644
index 000000000..2bbe6e761
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(File.dirname(__FILE__))
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile b/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile
new file mode 100644
index 000000000..518c1a65c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/arrow-cuda/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("arrow-cuda-glib",
+ ArrowCUDA::Version::MAJOR,
+ ArrowCUDA::Version::MINOR,
+ ArrowCUDA::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libarrow-cuda-glib-dev",
+ :redhat => "arrow-cuda-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb
new file mode 100644
index 000000000..1fc13d0a0
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "arrow-cuda/version"
+
+require "arrow-cuda/loader"
+
+module ArrowCUDA
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb
new file mode 100644
index 000000000..bbef74972
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowCUDA
+ class DeviceManager
+ # Experimental.
+ #
+ # Can we think device manager is a container of contexts?
+ alias_method :[], :get_context
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb
new file mode 100644
index 000000000..6b2afc404
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowCUDA
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("ArrowCUDA", ArrowCUDA)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ end
+
+ def require_libraries
+ require "arrow-cuda/device-manager"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
new file mode 100644
index 000000000..cc7fe0153
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowCUDA
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec b/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec
new file mode 100644
index 000000000..7bb34c6c2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec
@@ -0,0 +1,51 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/arrow-cuda/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-arrow-cuda"
+ version_components = [
+ ArrowCUDA::Version::MAJOR.to_s,
+ ArrowCUDA::Version::MINOR.to_s,
+ ArrowCUDA::Version::MICRO.to_s,
+ ArrowCUDA::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Arrow CUDA is the Ruby bindings of Apache Arrow CUDA"
+ spec.description =
+ "Apache Arrow CUDA is a common in-memory columnar data store on CUDA. " +
+ "It's useful to share and process large data."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-arrow-cuda/test/helper.rb b/src/arrow/ruby/red-arrow-cuda/test/helper.rb
new file mode 100644
index 000000000..045eb10ee
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/test/helper.rb
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow-cuda"
+
+require "test-unit"
diff --git a/src/arrow/ruby/red-arrow-cuda/test/run-test.rb b/src/arrow/ruby/red-arrow-cuda/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb
new file mode 100644
index 000000000..a48b687d3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestCUDA < Test::Unit::TestCase
+ def setup
+ @manager = ArrowCUDA::DeviceManager.new
+ omit("At least one GPU is required") if @manager.n_devices.zero?
+ @context = @manager[0]
+ end
+
+ sub_test_case("BufferOutputStream") do
+ def setup
+ super
+ @buffer = ArrowCUDA::Buffer.new(@context, 128)
+ end
+
+ def test_new
+ ArrowCUDA::BufferOutputStream.open(@buffer) do |stream|
+ stream.write("Hello World")
+ end
+ assert_equal("Hello World", @buffer.copy_to_host(0, 11).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/.gitignore b/src/arrow/ruby/red-arrow-dataset/.gitignore
new file mode 100644
index 000000000..afd93a168
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/.gitignore
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/Gemfile.lock
+/pkg/
diff --git a/src/arrow/ruby/red-arrow-dataset/Gemfile b/src/arrow/ruby/red-arrow-dataset/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-arrow-dataset/LICENSE.txt b/src/arrow/ruby/red-arrow-dataset/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+
+ "Licensor" shall mean the copyright owner or entity authorized by
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+
+ "Legal Entity" shall mean the union of the acting entity and all
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+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
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+ not limited to compiled object code, generated documentation,
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+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
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+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
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+ (except as stated in this section) patent license to make, have made,
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+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
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+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
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+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
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+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Unless required by applicable law or agreed to in writing, software
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diff --git a/src/arrow/ruby/red-arrow-dataset/NOTICE.txt b/src/arrow/ruby/red-arrow-dataset/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-arrow-dataset/README.md b/src/arrow/ruby/red-arrow-dataset/README.md
new file mode 100644
index 000000000..b48ef0b6c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/README.md
@@ -0,0 +1,50 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Arrow Dataset - Apache Arrow Dataset Ruby
+
+Red Arrow Dataset is the Ruby bindings of Apache Arrow Dataset. Red Arrow Dataset is based on GObject Introspection.
+
+[Apache Arrow Dataset](https://arrow.apache.org/) is one of Apache Arrow components to read and write semantic datasets stored in different locations and formats.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Arrow Dataset uses [Apache Arrow Dataset GLib](https://github.com/apache/arrow/tree/master/c_glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Arrow Dataset.
+
+Apache Arrow Dataset GLib is a C wrapper for [Apache Arrow Dataset C++](https://github.com/apache/arrow/tree/master/cpp). GObject Introspection can't use Apache Arrow Dataset C++ directly. Apache Arrow Dataset GLib is a bridge between Apache Arrow Dataset C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow Dataset uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Apache Arrow Dataset GLib before install Red Arrow Dataset. Install Apache Arrow GLib before install Red Arrow. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Arrow Dataset after you install Apache Arrow Dataset GLib:
+
+```console
+$ gem install red-arrow-dataset
+```
+
+## Usage
+
+```ruby
+require "arrow-dataset"
+
+# TODO
+```
diff --git a/src/arrow/ruby/red-arrow-dataset/Rakefile b/src/arrow/ruby/red-arrow-dataset/Rakefile
new file mode 100644
index 000000000..2bbe6e761
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(File.dirname(__FILE__))
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-arrow-dataset/dependency-check/Rakefile b/src/arrow/ruby/red-arrow-dataset/dependency-check/Rakefile
new file mode 100644
index 000000000..df2e24905
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/arrow-dataset/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("arrow-dataset-glib",
+ ArrowDataset::Version::MAJOR,
+ ArrowDataset::Version::MINOR,
+ ArrowDataset::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libarrow-dataset-glib-dev",
+ :redhat => "arrow-dataset-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset.rb
new file mode 100644
index 000000000..fe4f2d518
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "arrow-dataset/version"
+
+require "arrow-dataset/loader"
+
+module ArrowDataset
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-loadable.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-loadable.rb
new file mode 100644
index 000000000..14c8dce6f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-loadable.rb
@@ -0,0 +1,61 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ module ArrowTableLoadable
+ private
+ def path_to_uri(path)
+ absolute_path = ::File.expand_path(path)
+ if absolute_path.start_with?("/")
+ URI("file://#{absolute_path}")
+ else
+ URI("file:///#{absolute_path}")
+ end
+ end
+
+ def load_from_directory
+ internal_load_from_uri(path_to_uri(@input))
+ end
+
+ def load_from_uri
+ internal_load_from_uri(@input)
+ end
+
+ def internal_load_from_uri(uri)
+ format = FileFormat.resolve(@options[:format])
+ dataset = FileSystemDataset.build(format) do |factory|
+ factory.file_system_uri = uri
+ end
+ scanner_builder = dataset.begin_scan
+ @options.each do |key, value|
+ next if key == :format
+ next if value.nil?
+ setter = "#{key}="
+ next unless scanner_builder.respond_to?(setter)
+ scanner_builder.public_send(setter, value)
+ end
+ scanner = scanner_builder.finish
+ scanner.to_table
+ end
+ end
+end
+
+module Arrow
+ class TableLoader
+ include ArrowDataset::ArrowTableLoadable
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-savable.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-savable.rb
new file mode 100644
index 000000000..30ad6c292
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/arrow-table-savable.rb
@@ -0,0 +1,69 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ module ArrowTableSavable
+ private
+ def save_to_uri
+ format = FileFormat.resolve(@options[:format])
+ options = FileSystemDatasetWriteOptions.new
+ options.file_write_options = format.default_write_options
+ path = @output.path
+ if @output.scheme.nil?
+ options.file_system = Arrow::LocalFileSystem.new
+ else
+ options.file_system = Arrow::FileSystem.create(@output.to_s)
+ # /C:/... -> C:/...
+ unless File.expand_path(".").start_with?("/")
+ path = path.gsub(/\A\//, "")
+ end
+ end
+ partitioning = @options[:partitioning]
+ if partitioning
+ # TODO
+ options.base_dir = File.dirname(path)
+ options.base_name_template = File.basename(path)
+ options.partitioning = Partitioning.resolve(@options[:partitioning])
+ scanner_builder = ScannerBuilder.new(@table)
+ scanner_builder.use_async(true)
+ scanner = scanner_builder.finish
+ FileSystemDataset.write_scanner(scanner, options)
+ else
+ dir = File.dirname(path)
+ unless File.exist?(dir)
+ options.file_system.create_dir(dir, true)
+ end
+ options.file_system.open_output_stream(path) do |output_stream|
+ format.open_writer(output_stream,
+ options.file_system,
+ path,
+ @table.schema,
+ format.default_write_options) do |writer|
+ reader = Arrow::TableBatchReader.new(@table)
+ writer.write_record_batch_reader(reader)
+ end
+ end
+ end
+ end
+ end
+end
+
+module Arrow
+ class TableSaver
+ include ArrowDataset::ArrowTableSavable
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/dataset.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/dataset.rb
new file mode 100644
index 000000000..a658fc3f2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/dataset.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ class Dataset
+ class << self
+ def build(*args)
+ factory_class = ArrowDataset.const_get("#{name}Factory")
+ factory = factory_class.new(*args)
+ yield(factory)
+ factory.finish
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-format.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-format.rb
new file mode 100644
index 000000000..83e61c4b2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-format.rb
@@ -0,0 +1,59 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ class FileFormat
+ class << self
+ def resolve(format)
+ case format
+ when :arrow, :arrow_file, :arrow_streaming
+ IPCFileFormat.new
+ when :parquet
+ ParquetFileFormat.new
+ when :csv
+ CSVFileFormat.new
+ else
+ available_formats = [
+ :arrow,
+ :arrow_file,
+ :arrow_streaming,
+ :parquet,
+ :csv,
+ ]
+ message = "Arrow::Table load format must be one of ["
+ message << available_formats.join(", ")
+ message << "]: #{@options[:format].inspect}"
+ raise ArgumentError, message
+ end
+ end
+ end
+
+ alias_method :open_writer_raw, :open_writer
+ def open_writer(destination, file_system, path, schema, options)
+ writer = open_writer_raw(destination, file_system, path, schema, options)
+ if block_given?
+ begin
+ yield(writer)
+ ensure
+ writer.finish
+ end
+ else
+ writer
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-system-dataset-factory.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-system-dataset-factory.rb
new file mode 100644
index 000000000..111a29a3c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/file-system-dataset-factory.rb
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ class FileSystemDatasetFactory
+ alias_method :set_file_system_uri_raw, :set_file_system_uri
+ def set_file_system_uri(uri)
+ if uri.is_a?(URI)
+ if uri.scheme.nil?
+ uri = uri.dup
+ absolute_path = File.expand_path(uri.path)
+ if absolute_path.start_with?("/")
+ uri.path = absolute_path
+ else
+ uri.path = "/#{absolute_path}"
+ end
+ uri.scheme = "file"
+ end
+ uri = uri.to_s
+ end
+ set_file_system_uri_raw(uri)
+ end
+ alias_method :file_system_uri=, :set_file_system_uri
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/loader.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/loader.rb
new file mode 100644
index 000000000..b1be000f7
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/loader.rb
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("ArrowDataset", ArrowDataset)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ end
+
+ def require_libraries
+ require "arrow-dataset/arrow-table-loadable"
+ require "arrow-dataset/arrow-table-savable"
+ require "arrow-dataset/dataset"
+ require "arrow-dataset/file-format"
+ require "arrow-dataset/file-system-dataset-factory"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
new file mode 100644
index 000000000..1a37139d1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowDataset
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/red-arrow-dataset.gemspec b/src/arrow/ruby/red-arrow-dataset/red-arrow-dataset.gemspec
new file mode 100644
index 000000000..0a60925e4
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/red-arrow-dataset.gemspec
@@ -0,0 +1,51 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/arrow-dataset/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-arrow-dataset"
+ version_components = [
+ ArrowDataset::Version::MAJOR.to_s,
+ ArrowDataset::Version::MINOR.to_s,
+ ArrowDataset::Version::MICRO.to_s,
+ ArrowDataset::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Arrow Dataset is the Ruby bindings of Apache Arrow Dataset"
+ spec.description =
+ "Apache Arrow Dataset is one of Apache Arrow components to read and write " +
+ "semantic datasets stored in different locations and formats."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/test/helper.rb b/src/arrow/ruby/red-arrow-dataset/test/helper.rb
new file mode 100644
index 000000000..7231eb1cb
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/test/helper.rb
@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow-dataset"
+
+require "tmpdir"
+
+require "test-unit"
diff --git a/src/arrow/ruby/red-arrow-dataset/test/run-test.rb b/src/arrow/ruby/red-arrow-dataset/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb b/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb
new file mode 100644
index 000000000..191306374
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb
@@ -0,0 +1,80 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestArrowTable < Test::Unit::TestCase
+ def setup
+ Dir.mktmpdir do |tmpdir|
+ @dir = tmpdir
+ @path1 = File.join(@dir, "data", "table1.arrow")
+ @table1 = Arrow::Table.new(visible: [true, false, true],
+ point: [1, 2, 3])
+ @path2 = File.join(@dir, "data", "table2.arrow")
+ @table2 = Arrow::Table.new(visible: [true],
+ point: [10])
+ yield
+ end
+ end
+
+ def build_file_uri(path)
+ absolute_path = File.expand_path(path)
+ if absolute_path.start_with?("/")
+ URI("file://#{absolute_path}")
+ else
+ URI("file:///#{absolute_path}")
+ end
+ end
+
+ sub_test_case("load") do
+ def test_no_scheme
+ Dir.chdir(@dir) do
+ uri = URI(File.basename(@path1))
+ @table1.save(uri)
+ assert_equal(@table1, Arrow::Table.load(uri))
+ end
+ end
+
+ def test_file
+ uri = build_file_uri(@path1)
+ @table1.save(uri)
+ assert_equal(@table1, Arrow::Table.load(uri))
+ end
+
+ def test_directory_uri
+ uri = build_file_uri(@dir)
+ @table1.save(build_file_uri(@path1))
+ @table2.save(build_file_uri(@path2))
+ assert_equal(@table1.concatenate([@table2]),
+ Arrow::Table.load(uri))
+ end
+
+ def test_directory_path
+ @table1.save(build_file_uri(@path1))
+ @table2.save(build_file_uri(@path2))
+ assert_equal(@table1.concatenate([@table2]),
+ Arrow::Table.load(@dir))
+ end
+
+ def test_filter
+ @table1.save(build_file_uri(@path1))
+ @table2.save(build_file_uri(@path2))
+ assert_equal(Arrow::Table.new(visible: [true, true, true],
+ point: [1, 3, 10]),
+ Arrow::Table.load(@dir,
+ filter: ["equal", :visible, true]))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-dataset/test/test-file-system-dataset.rb b/src/arrow/ruby/red-arrow-dataset/test/test-file-system-dataset.rb
new file mode 100644
index 000000000..17cbcb88d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/test/test-file-system-dataset.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestFileSystemDataset < Test::Unit::TestCase
+ def setup
+ Dir.mktmpdir do |tmpdir|
+ @dir = tmpdir
+ @path = File.join(@dir, "table.arrow")
+ @table = Arrow::Table.new(visible: [true, false, true],
+ point: [1, 2, 3])
+ @table.save(@path)
+ @format = ArrowDataset::IPCFileFormat.new
+ yield
+ end
+ end
+
+ test(".build") do
+ dataset = ArrowDataset::FileSystemDataset.build(@format) do |factory|
+ factory.file_system = Arrow::LocalFileSystem.new
+ factory.add_path(File.expand_path(@path))
+ end
+ assert_equal(@table, dataset.to_table)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/.gitignore b/src/arrow/ruby/red-arrow-flight/.gitignore
new file mode 100644
index 000000000..779545d90
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/.gitignore
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/pkg/
diff --git a/src/arrow/ruby/red-arrow-flight/Gemfile b/src/arrow/ruby/red-arrow-flight/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-arrow-flight/LICENSE.txt b/src/arrow/ruby/red-arrow-flight/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Legal Entity" shall mean the union of the acting entity and all
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+ "You" (or "Your") shall mean an individual or Legal Entity
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+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/src/arrow/ruby/red-arrow-flight/NOTICE.txt b/src/arrow/ruby/red-arrow-flight/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-arrow-flight/README.md b/src/arrow/ruby/red-arrow-flight/README.md
new file mode 100644
index 000000000..e81f50f9a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/README.md
@@ -0,0 +1,50 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Arrow Flight - Apache Arrow Flight Ruby
+
+Red Arrow Flight is the Ruby bindings of Apache Arrow Flight. Red Arrow Flight is based on GObject Introspection.
+
+[Apache Arrow Flight](https://arrow.apache.org/) is one of Apache Arrow components to read and write semantic flights stored in different locations and formats.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Arrow Flight uses [Apache Arrow Flight GLib](https://github.com/apache/arrow/tree/master/c_glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Arrow Flight.
+
+Apache Arrow Flight GLib is a C wrapper for [Apache Arrow Flight C++](https://github.com/apache/arrow/tree/master/cpp). GObject Introspection can't use Apache Arrow Flight C++ directly. Apache Arrow Flight GLib is a bridge between Apache Arrow Flight C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow Flight uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Apache Arrow Flight GLib before install Red Arrow Flight. Install Apache Arrow GLib before install Red Arrow. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Arrow Flight after you install Apache Arrow Flight GLib:
+
+```console
+$ gem install red-arrow-flight
+```
+
+## Usage
+
+```ruby
+require "arrow-flight"
+
+# TODO
+```
diff --git a/src/arrow/ruby/red-arrow-flight/Rakefile b/src/arrow/ruby/red-arrow-flight/Rakefile
new file mode 100644
index 000000000..2bbe6e761
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(File.dirname(__FILE__))
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-arrow-flight/dependency-check/Rakefile b/src/arrow/ruby/red-arrow-flight/dependency-check/Rakefile
new file mode 100644
index 000000000..6aca19609
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/arrow-flight/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("arrow-flight-glib",
+ ArrowFlight::Version::MAJOR,
+ ArrowFlight::Version::MINOR,
+ ArrowFlight::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libarrow-flight-glib-dev",
+ :redhat => "arrow-flight-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight.rb
new file mode 100644
index 000000000..2070f354a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "arrow-flight/version"
+
+require "arrow-flight/loader"
+
+module ArrowFlight
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/call-options.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/call-options.rb
new file mode 100644
index 000000000..2030b2d33
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/call-options.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class CallOptions
+ class << self
+ def try_convert(value)
+ case value
+ when Hash
+ options = new
+ value.each do |name, value|
+ options.__send__("#{name}=", value)
+ end
+ options
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/client-options.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/client-options.rb
new file mode 100644
index 000000000..2294b2133
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/client-options.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class ClientOptions
+ class << self
+ def try_convert(value)
+ case value
+ when Hash
+ options = new
+ value.each do |name, value|
+ options.__send__("#{name}=", value)
+ end
+ options
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/loader.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/loader.rb
new file mode 100644
index 000000000..2e8878d69
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/loader.rb
@@ -0,0 +1,44 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("ArrowFlight", ArrowFlight)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ self.class.start_callback_dispatch_thread
+ end
+
+ def require_libraries
+ require "arrow-flight/call-options"
+ require "arrow-flight/client-options"
+ require "arrow-flight/location"
+ require "arrow-flight/server-options"
+ require "arrow-flight/ticket"
+ end
+
+ def should_unlock_gvl?(info, klass)
+ true
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/location.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/location.rb
new file mode 100644
index 000000000..d49178d04
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/location.rb
@@ -0,0 +1,31 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class Location
+ class << self
+ def try_convert(value)
+ case value
+ when String
+ new(value)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/server-options.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/server-options.rb
new file mode 100644
index 000000000..f28aed87e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/server-options.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class ServerOptions
+ class << self
+ def try_convert(value)
+ case value
+ when Location
+ new(value)
+ when Hash
+ return nil unless value.key?(:location)
+ options = new(value[:location])
+ value.each do |name, value|
+ next if name == :location
+ options.__send__("#{name}=", value)
+ end
+ options
+ else
+ value = Location.try_convert(value)
+ return nil if value.nil?
+ try_convert(value)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/ticket.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/ticket.rb
new file mode 100644
index 000000000..92afad386
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/ticket.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ class Ticket
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when String
+ new(value)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/version.rb b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/version.rb
new file mode 100644
index 000000000..b4a252b15
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/lib/arrow-flight/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ArrowFlight
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/red-arrow-flight.gemspec b/src/arrow/ruby/red-arrow-flight/red-arrow-flight.gemspec
new file mode 100644
index 000000000..efe868ca7
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/red-arrow-flight.gemspec
@@ -0,0 +1,52 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/arrow-flight/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-arrow-flight"
+ version_components = [
+ ArrowFlight::Version::MAJOR.to_s,
+ ArrowFlight::Version::MINOR.to_s,
+ ArrowFlight::Version::MICRO.to_s,
+ ArrowFlight::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Arrow Flight is the Ruby bindings of Apache Arrow Flight"
+ spec.description =
+ "Apache Arrow Flight is a general-purpose client-server framework to " +
+ "simplify high performance transport of large datasets over " +
+ "network interfaces."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-arrow-flight/test/helper.rb b/src/arrow/ruby/red-arrow-flight/test/helper.rb
new file mode 100644
index 000000000..cddfdea5f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/helper.rb
@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow-flight"
+
+require "test-unit"
+
+require_relative "helper/server"
diff --git a/src/arrow/ruby/red-arrow-flight/test/helper/info-generator.rb b/src/arrow/ruby/red-arrow-flight/test/helper/info-generator.rb
new file mode 100644
index 000000000..e5430fd6b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/helper/info-generator.rb
@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+module Helper
+ class InfoGenerator
+ def page_view_table
+ Arrow::Table.new("count" => Arrow::UInt64Array.new([1, 2, 3]),
+ "private" => Arrow::BooleanArray.new([true, false, true]))
+ end
+
+ def page_view_descriptor
+ ArrowFlight::PathDescriptor.new(["page-view"])
+ end
+
+ def page_view_ticket
+ "page-view"
+ end
+
+ def page_view_endpoints
+ locations = [
+ ArrowFlight::Location.new("grpc+tcp://127.0.0.1:10000"),
+ ArrowFlight::Location.new("grpc+tcp://127.0.0.1:10001"),
+ ]
+ [
+ ArrowFlight::Endpoint.new(page_view_ticket, locations),
+ ]
+ end
+
+ def page_view
+ table = page_view_table
+ descriptor = page_view_descriptor
+ endpoints = page_view_endpoints
+ output = Arrow::ResizableBuffer.new(0)
+ table.save(output, format: :stream)
+ ArrowFlight::Info.new(table.schema,
+ descriptor,
+ endpoints,
+ table.n_rows,
+ output.size)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/test/helper/server.rb b/src/arrow/ruby/red-arrow-flight/test/helper/server.rb
new file mode 100644
index 000000000..269bb5f3d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/helper/server.rb
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "info-generator"
+
+module Helper
+ class Server < ArrowFlight::Server
+ type_register
+
+ private
+ def virtual_do_list_flights(context, criteria)
+ generator = InfoGenerator.new
+ [generator.page_view]
+ end
+
+ def virtual_do_do_get(context, ticket)
+ generator = InfoGenerator.new
+ if ticket.data.to_s != generator.page_view_ticket
+ raise Arrow::Error::Invalid.new("invalid ticket")
+ end
+ table = generator.page_view_table
+ ArrowFlight::RecordBatchStream.new(table)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/test/run-test.rb b/src/arrow/ruby/red-arrow-flight/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-arrow-flight/test/test-client.rb b/src/arrow/ruby/red-arrow-flight/test/test-client.rb
new file mode 100644
index 000000000..850d6f457
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/test-client.rb
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestClient < Test::Unit::TestCase
+ def setup
+ @server = nil
+ omit("Unstable on Windows") if Gem.win_platform?
+ @server = Helper::Server.new
+ @server.listen("grpc://127.0.0.1:0")
+ @location = "grpc://127.0.0.1:#{@server.port}"
+ end
+
+ def teardown
+ return if @server.nil?
+ @server.shutdown
+ end
+
+ def test_list_flights
+ client = ArrowFlight::Client.new(@location)
+ generator = Helper::InfoGenerator.new
+ assert_equal([generator.page_view],
+ client.list_flights)
+ end
+
+ def test_do_get
+ client = ArrowFlight::Client.new(@location)
+ generator = Helper::InfoGenerator.new
+ reader = client.do_get(generator.page_view_ticket)
+ assert_equal(generator.page_view_table,
+ reader.read_all)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/test/test-location.rb b/src/arrow/ruby/red-arrow-flight/test/test-location.rb
new file mode 100644
index 000000000..5edd5594f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/test-location.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestLocation < Test::Unit::TestCase
+ sub_test_case(".try_convert") do
+ def test_string
+ location = ArrowFlight::Location.try_convert("grpc://127.0.0.1:2929")
+ assert_equal("grpc://127.0.0.1:2929",
+ location.to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow-flight/test/test-ticket.rb b/src/arrow/ruby/red-arrow-flight/test/test-ticket.rb
new file mode 100644
index 000000000..d8668be74
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-flight/test/test-ticket.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestTicket < Test::Unit::TestCase
+ sub_test_case(".try_convert") do
+ def test_string
+ ticket = ArrowFlight::Ticket.try_convert("data")
+ assert_equal("data",
+ ticket.data.to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/.gitignore b/src/arrow/ruby/red-arrow/.gitignore
new file mode 100644
index 000000000..3330f8657
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/.gitignore
@@ -0,0 +1,23 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/.yardoc/
+/Gemfile.lock
+/doc/reference/
+/ext/arrow/Makefile
+/ext/arrow/mkmf.log
+/pkg/
diff --git a/src/arrow/ruby/red-arrow/.yardopts b/src/arrow/ruby/red-arrow/.yardopts
new file mode 100644
index 000000000..67159b1dc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/.yardopts
@@ -0,0 +1,6 @@
+--output-dir doc/reference
+--markup markdown
+--no-private
+lib/**/*.rb
+-
+doc/text/*
diff --git a/src/arrow/ruby/red-arrow/Gemfile b/src/arrow/ruby/red-arrow/Gemfile
new file mode 100644
index 000000000..3907918c8
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/Gemfile
@@ -0,0 +1,22 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
diff --git a/src/arrow/ruby/red-arrow/LICENSE.txt b/src/arrow/ruby/red-arrow/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Work" shall mean the work of authorship, whether in Source or
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+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
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+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
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+ Contribution(s) alone or by combination of their Contribution(s)
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+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
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+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/src/arrow/ruby/red-arrow/NOTICE.txt b/src/arrow/ruby/red-arrow/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-arrow/README.md b/src/arrow/ruby/red-arrow/README.md
new file mode 100644
index 000000000..4249eeae6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/README.md
@@ -0,0 +1,75 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Arrow - Apache Arrow Ruby
+
+Red Arrow is the Ruby bindings of Apache Arrow. Red Arrow is based on GObject Introspection.
+
+[Apache Arrow](https://arrow.apache.org/) is an in-memory columnar data store. It's used by many products for data analytics.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Arrow uses [Apache Arrow GLib](https://github.com/apache/arrow/tree/master/c_glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Arrow.
+
+Apache Arrow GLib is a C wrapper for [Apache Arrow C++](https://github.com/apache/arrow/tree/master/cpp). GObject Introspection can't use Apache Arrow C++ directly. Apache Arrow GLib is a bridge between Apache Arrow C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Apache Arrow GLib before install Red Arrow. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Arrow after you install Apache Arrow GLib:
+
+```console
+% gem install red-arrow
+```
+
+## Usage
+
+```ruby
+require "arrow"
+
+table = Arrow::Table.load("/dev/shm/data.arrow")
+# Process data in table
+table.save("/dev/shm/data-processed.arrow")
+```
+
+## Development
+
+Note that you need to install Apache Arrow C++/GLib at master before preparing Red Arrow. See also:
+
+ * For Apache Arrow C++: https://arrow.apache.org/docs/developers/cpp/building.html
+ * For Apache Arrow GLib: https://github.com/apache/arrow/blob/master/c_glib/README.md
+
+```console
+$ cd ruby/red-arrow
+$ bundle install
+$ bundle exec rake test
+```
+
+### For macOS with Homebrew
+
+```console
+$ cd ruby/red-arrow
+$ bundle install
+$ brew install apache-arrow --head
+$ brew install apache-arrow-glib --head
+$ bundle exec rake test
+``` \ No newline at end of file
diff --git a/src/arrow/ruby/red-arrow/Rakefile b/src/arrow/ruby/red-arrow/Rakefile
new file mode 100644
index 000000000..dd2c310b6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/Rakefile
@@ -0,0 +1,100 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "bundler/gem_helper"
+require "rake/clean"
+require "yard"
+
+base_dir = File.join(__dir__)
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+spec = helper.gemspec
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+def run_extconf(build_dir, extension_dir, *arguments)
+ cd(build_dir) do
+ ruby(File.join(extension_dir, "extconf.rb"),
+ *arguments)
+ end
+end
+
+spec.extensions.each do |extension|
+ extension_dir = File.join(base_dir, File.dirname(extension))
+ build_dir = ENV["BUILD_DIR"]
+ if build_dir
+ build_dir = File.join(build_dir, "red-arrow")
+ directory build_dir
+ else
+ build_dir = extension_dir
+ end
+ CLOBBER << File.join(build_dir, "Makefile")
+ CLOBBER << File.join(build_dir, "mkmf.log")
+
+ makefile = File.join(build_dir, "Makefile")
+ file makefile => build_dir do
+ run_extconf(build_dir, extension_dir)
+ end
+
+ desc "Configure"
+ task :configure => build_dir do
+ run_extconf(build_dir, extension_dir)
+ end
+
+ desc "Compile"
+ task :compile => makefile do
+ cd(build_dir) do
+ sh("make")
+ end
+ end
+
+ task :clean do
+ cd(build_dir) do
+ sh("make", "clean") if File.exist?("Makefile")
+ end
+ end
+end
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
+
+desc "Run benchmarks"
+task :benchmark do
+ benchmarks = if ENV["BENCHMARKS"]
+ ENV["BENCHMARKS"].split
+ else
+ FileList["benchmark/{,*/**/}*.yml"]
+ end
+ cd(base_dir) do
+ benchmarks.each do |benchmark|
+ sh("benchmark-driver", benchmark)
+ end
+ end
+end
+
+YARD::Rake::YardocTask.new do |task|
+end
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/boolean.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/boolean.yml
new file mode 100644
index 000000000..5e2551e2c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/boolean.yml
@@ -0,0 +1,65 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = :boolean
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map { Faker::Boolean.boolean }
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j][i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/decimal128.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/decimal128.yml
new file mode 100644
index 000000000..367e7c713
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/decimal128.yml
@@ -0,0 +1,68 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = Arrow::Decimal128DataType.new(10, 5)
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map do
+ Faker::Number.decimal(l_digits: 10, r_digits: 5)
+ end
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ x = columns[j][i]
+ record << BigDecimal(x.to_s)
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records()
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/dictionary.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/dictionary.yml
new file mode 100644
index 000000000..151bb412f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/dictionary.yml
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = Arrow::DictionaryDataType.new(:int8, :string, true)
+
+ fields = n_columns.times.map {|i| ["column_#{i}".to_sym, type] }.to_h
+ schema = Arrow::Schema.new(**fields)
+ dictionary = Arrow::StringArray.new(
+ 100.times.map { Faker::Book.genre }.uniq.sort
+ )
+ indices = Arrow::Int8Array.new(
+ n_rows.times.map {
+ Faker::Number.within(range: 0 ... dictionary.length)
+ }
+ )
+ arrays = n_columns.times.map do
+ Arrow::DictionaryArray.new(
+ type,
+ indices,
+ dictionary,
+ )
+ end
+ record_batch = Arrow::RecordBatch.new(schema, n_rows, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j].data.indices[i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/int64.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/int64.yml
new file mode 100644
index 000000000..bd03ab942
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/int64.yml
@@ -0,0 +1,67 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = :int64
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map do
+ Faker::Number.number(digits: 18).to_i
+ end
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j][i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/list.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/list.yml
new file mode 100644
index 000000000..b9a526710
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/list.yml
@@ -0,0 +1,70 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = Arrow::ListDataType.new(name: "values", type: :double)
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map do
+ n_elements = Faker::Number.within(range: 1 ... 100)
+ n_elements.times.map do
+ Faker::Number.normal(mean: 0, standard_deviation: 1e+6)
+ end
+ end
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j][i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/string.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/string.yml
new file mode 100644
index 000000000..2854a376b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/string.yml
@@ -0,0 +1,65 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = :string
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map { Faker::Name.name }
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j][i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/raw-records/timestamp.yml b/src/arrow/ruby/red-arrow/benchmark/raw-records/timestamp.yml
new file mode 100644
index 000000000..9b65b790a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/raw-records/timestamp.yml
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_rows = 1000
+ n_columns = 10
+ type = Arrow::TimestampDataType.new(:micro)
+ base_timestamp = Time.at(Faker::Number.within(range: 0 ... 1_000_000_000))
+ thirty_days_in_sec = 30*24*3600
+ timestamp_range = {
+ from: base_timestamp - thirty_days_in_sec,
+ to: base_timestamp + thirty_days_in_sec,
+ }
+
+ fields = {}
+ arrays = {}
+ n_columns.times do |i|
+ column_name = "column_#{i}"
+ fields[column_name] = type
+ arrays[column_name] = n_rows.times.map do
+ sec = Faker::Time.between(timestamp_range).to_i
+ micro = Faker::Number.within(range: 0 ... 1_000_000)
+ sec * 1_000_000 + micro
+ end
+ end
+ record_batch = Arrow::RecordBatch.new(fields, arrays)
+
+ def pure_ruby_raw_records(record_batch)
+ n_rows = record_batch.n_rows
+ n_columns = record_batch.n_columns
+ columns = record_batch.columns
+ records = []
+ i = 0
+ while i < n_rows
+ record = []
+ j = 0
+ while j < n_columns
+ record << columns[j][i]
+ j += 1
+ end
+ records << record
+ i += 1
+ end
+ records
+ end
+benchmark:
+ pure_ruby: |-
+ pure_ruby_raw_records(record_batch)
+ raw_records: |-
+ record_batch.raw_records
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/boolean.yml b/src/arrow/ruby/red-arrow/benchmark/values/boolean.yml
new file mode 100644
index 000000000..45abff523
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/boolean.yml
@@ -0,0 +1,37 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ values = n_values.times.map { Faker::Boolean.boolean }
+ array = Arrow::BooleanArray.new(values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/decimal128.yml b/src/arrow/ruby/red-arrow/benchmark/values/decimal128.yml
new file mode 100644
index 000000000..4a2a5bff5
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/decimal128.yml
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ type = Arrow::Decimal128DataType.new(10, 5)
+ values = n_values.times.map { Faker::Number.decimal(l_digits: 10, r_digits: 5) }
+ array = Arrow::Decimal128Array.new(type, values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/dictionary.yml b/src/arrow/ruby/red-arrow/benchmark/values/dictionary.yml
new file mode 100644
index 000000000..5b4f20dc8
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/dictionary.yml
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ type = Arrow::DictionaryDataType.new(:int8, :string, true)
+
+ dictionary = Arrow::StringArray.new(
+ 100.times.map { Faker::Book.genre }.uniq.sort
+ )
+ indices = Arrow::Int8Array.new(
+ n_values.times.map {
+ Faker::Number.within(range: 0 ... dictionary.length)
+ }
+ )
+ array = Arrow::DictionaryArray.new(type, indices, dictionary)
+benchmark:
+ pure_ruby: |-
+ array.length.times.collect {|i| array.indices[i]}
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/int64.yml b/src/arrow/ruby/red-arrow/benchmark/values/int64.yml
new file mode 100644
index 000000000..d9e89261a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/int64.yml
@@ -0,0 +1,37 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ values = n_values.times.map { Faker::Number.number(digits: 18).to_i }
+ array = Arrow::Int64Array.new(values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/list.yml b/src/arrow/ruby/red-arrow/benchmark/values/list.yml
new file mode 100644
index 000000000..2764c1a61
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/list.yml
@@ -0,0 +1,44 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ type = Arrow::ListDataType.new(name: "values", type: :double)
+
+ values = n_values.times.map do
+ n_elements = Faker::Number.within(range: 1 ... 100)
+ n_elements.times.map do
+ Faker::Number.normal(mean: 0, standard_deviation: 1e+6)
+ end
+ end
+ array = Arrow::ListArray.new(type, values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/string.yml b/src/arrow/ruby/red-arrow/benchmark/values/string.yml
new file mode 100644
index 000000000..8a40deaa0
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/string.yml
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+
+ values = n_values.times.map { Faker::Name.name }
+ array = Arrow::StringArray.new(values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/benchmark/values/timestamp.yml b/src/arrow/ruby/red-arrow/benchmark/values/timestamp.yml
new file mode 100644
index 000000000..4af46d1db
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/benchmark/values/timestamp.yml
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+contexts:
+ - name: master
+ prelude: |
+ $LOAD_PATH.unshift(File.expand_path("ext/arrow"))
+ $LOAD_PATH.unshift(File.expand_path("lib"))
+prelude: |-
+ require "arrow"
+ require "faker"
+
+ state = ENV.fetch("FAKER_RANDOM_SEED", 17).to_i
+ Faker::Config.random = Random.new(state)
+
+ n_values = 1000
+ type = Arrow::TimestampDataType.new(:micro)
+ base_timestamp = Time.at(Faker::Number.within(range: 0 ... 1_000_000_000))
+ thirty_days_in_sec = 30*24*3600
+ timestamp_range = {
+ from: base_timestamp - thirty_days_in_sec,
+ to: base_timestamp + thirty_days_in_sec,
+ }
+
+ values = n_values.times.map do
+ sec = Faker::Time.between(timestamp_range).to_i
+ micro = Faker::Number.within(range: 0 ... 1_000_000)
+ sec * 1_000_000 + micro
+ end
+ array = Arrow::TimestampArray.new(type, values)
+benchmark:
+ pure_ruby: |-
+ array.collect.to_a
+ values: |-
+ array.values
diff --git a/src/arrow/ruby/red-arrow/doc/text/development.md b/src/arrow/ruby/red-arrow/doc/text/development.md
new file mode 100644
index 000000000..cc86de35f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/doc/text/development.md
@@ -0,0 +1,34 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Development
+
+## Naming convention
+
+### Reader and Writer
+
+Reader and Writer require an opened IO stream.
+
+### Loader and Saver
+
+Loader and Saver require a path. They are convenient classes.
+
+Loader opens the path and reads data by Reader.
+
+Writer opens the path and writes data by Writer.
diff --git a/src/arrow/ruby/red-arrow/example/read-file.rb b/src/arrow/ruby/red-arrow/example/read-file.rb
new file mode 100755
index 000000000..9a99d3377
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/example/read-file.rb
@@ -0,0 +1,36 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+Arrow::MemoryMappedInputStream.open("/tmp/file.arrow") do |input|
+ reader = Arrow::RecordBatchFileReader.new(input)
+ fields = reader.schema.fields
+ reader.each_with_index do |record_batch, i|
+ puts("=" * 40)
+ puts("record-batch[#{i}]:")
+ fields.each do |field|
+ field_name = field.name
+ values = record_batch.collect do |record|
+ record[field_name]
+ end
+ puts(" #{field_name}: #{values.inspect}")
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/example/read-stream.rb b/src/arrow/ruby/red-arrow/example/read-stream.rb
new file mode 100755
index 000000000..c7197120c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/example/read-stream.rb
@@ -0,0 +1,36 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+Arrow::MemoryMappedInputStream.open("/tmp/stream.arrow") do |input|
+ reader = Arrow::RecordBatchStreamReader.new(input)
+ fields = reader.schema.fields
+ reader.each_with_index do |record_batch, i|
+ puts("=" * 40)
+ puts("record-batch[#{i}]:")
+ fields.each do |field|
+ field_name = field.name
+ values = record_batch.collect do |record|
+ record[field_name]
+ end
+ puts(" #{field_name}: #{values.inspect}")
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/example/write-file.rb b/src/arrow/ruby/red-arrow/example/write-file.rb
new file mode 100755
index 000000000..c55ab2ef2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/example/write-file.rb
@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+fields = [
+ Arrow::Field.new("uint8", :uint8),
+ Arrow::Field.new("uint16", :uint16),
+ Arrow::Field.new("uint32", :uint32),
+ Arrow::Field.new("uint64", :uint64),
+ Arrow::Field.new("int8", :int8),
+ Arrow::Field.new("int16", :int16),
+ Arrow::Field.new("int32", :int32),
+ Arrow::Field.new("int64", :int64),
+ Arrow::Field.new("float", :float),
+ Arrow::Field.new("double", :double),
+]
+schema = Arrow::Schema.new(fields)
+
+Arrow::FileOutputStream.open("/tmp/file.arrow", false) do |output|
+ Arrow::RecordBatchFileWriter.open(output, schema) do |writer|
+ uints = [1, 2, 4, 8]
+ ints = [1, -2, 4, -8]
+ floats = [1.1, -2.2, 4.4, -8.8]
+ columns = [
+ Arrow::UInt8Array.new(uints),
+ Arrow::UInt16Array.new(uints),
+ Arrow::UInt32Array.new(uints),
+ Arrow::UInt64Array.new(uints),
+ Arrow::Int8Array.new(ints),
+ Arrow::Int16Array.new(ints),
+ Arrow::Int32Array.new(ints),
+ Arrow::Int64Array.new(ints),
+ Arrow::FloatArray.new(floats),
+ Arrow::DoubleArray.new(floats),
+ ]
+
+ record_batch = Arrow::RecordBatch.new(schema, 4, columns)
+ writer.write_record_batch(record_batch)
+
+ sliced_columns = columns.collect do |column|
+ column.slice(1, 3)
+ end
+ record_batch = Arrow::RecordBatch.new(schema, 3, sliced_columns)
+ writer.write_record_batch(record_batch)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/example/write-stream.rb b/src/arrow/ruby/red-arrow/example/write-stream.rb
new file mode 100755
index 000000000..fde486206
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/example/write-stream.rb
@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+fields = [
+ Arrow::Field.new("uint8", :uint8),
+ Arrow::Field.new("uint16", :uint16),
+ Arrow::Field.new("uint32", :uint32),
+ Arrow::Field.new("uint64", :uint64),
+ Arrow::Field.new("int8", :int8),
+ Arrow::Field.new("int16", :int16),
+ Arrow::Field.new("int32", :int32),
+ Arrow::Field.new("int64", :int64),
+ Arrow::Field.new("float", :float),
+ Arrow::Field.new("double", :double),
+]
+schema = Arrow::Schema.new(fields)
+
+Arrow::FileOutputStream.open("/tmp/stream.arrow", false) do |output|
+ Arrow::RecordBatchStreamWriter.open(output, schema) do |writer|
+ uints = [1, 2, 4, 8]
+ ints = [1, -2, 4, -8]
+ floats = [1.1, -2.2, 4.4, -8.8]
+ columns = [
+ Arrow::UInt8Array.new(uints),
+ Arrow::UInt16Array.new(uints),
+ Arrow::UInt32Array.new(uints),
+ Arrow::UInt64Array.new(uints),
+ Arrow::Int8Array.new(ints),
+ Arrow::Int16Array.new(ints),
+ Arrow::Int32Array.new(ints),
+ Arrow::Int64Array.new(ints),
+ Arrow::FloatArray.new(floats),
+ Arrow::DoubleArray.new(floats),
+ ]
+
+ record_batch = Arrow::RecordBatch.new(schema, 4, columns)
+ writer.write_record_batch(record_batch)
+
+ sliced_columns = columns.collect do |column|
+ column.slice(1, 3)
+ end
+ record_batch = Arrow::RecordBatch.new(schema, 3, sliced_columns)
+ writer.write_record_batch(record_batch)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/arrow.cpp b/src/arrow/ruby/red-arrow/ext/arrow/arrow.cpp
new file mode 100644
index 000000000..86c8c8fb6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/arrow.cpp
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "red-arrow.hpp"
+#include "memory-view.hpp"
+
+#include <ruby.hpp>
+
+namespace red_arrow {
+ VALUE cDate;
+
+ VALUE cArrowTime;
+
+ VALUE ArrowTimeUnitSECOND;
+ VALUE ArrowTimeUnitMILLI;
+ VALUE ArrowTimeUnitMICRO;
+ VALUE ArrowTimeUnitNANO;
+
+ ID id_BigDecimal;
+ ID id_jd;
+ ID id_new;
+ ID id_to_datetime;
+}
+
+extern "C" void Init_arrow() {
+ auto mArrow = rb_const_get_at(rb_cObject, rb_intern("Arrow"));
+
+ auto cArrowArray = rb_const_get_at(mArrow, rb_intern("Array"));
+ rb_define_method(cArrowArray, "values",
+ reinterpret_cast<rb::RawMethod>(red_arrow::array_values),
+ 0);
+
+ auto cArrowChunkedArray = rb_const_get_at(mArrow, rb_intern("ChunkedArray"));
+ rb_define_method(cArrowChunkedArray, "values",
+ reinterpret_cast<rb::RawMethod>(red_arrow::chunked_array_values),
+ 0);
+
+ auto cArrowRecordBatch = rb_const_get_at(mArrow, rb_intern("RecordBatch"));
+ rb_define_method(cArrowRecordBatch, "raw_records",
+ reinterpret_cast<rb::RawMethod>(red_arrow::record_batch_raw_records),
+ 0);
+
+ auto cArrowTable = rb_const_get_at(mArrow, rb_intern("Table"));
+ rb_define_method(cArrowTable, "raw_records",
+ reinterpret_cast<rb::RawMethod>(red_arrow::table_raw_records),
+ 0);
+
+ red_arrow::cDate = rb_const_get(rb_cObject, rb_intern("Date"));
+
+ red_arrow::cArrowTime = rb_const_get_at(mArrow, rb_intern("Time"));
+
+ auto cArrowTimeUnit = rb_const_get_at(mArrow, rb_intern("TimeUnit"));
+ red_arrow::ArrowTimeUnitSECOND =
+ rb_const_get_at(cArrowTimeUnit, rb_intern("SECOND"));
+ red_arrow::ArrowTimeUnitMILLI =
+ rb_const_get_at(cArrowTimeUnit, rb_intern("MILLI"));
+ red_arrow::ArrowTimeUnitMICRO =
+ rb_const_get_at(cArrowTimeUnit, rb_intern("MICRO"));
+ red_arrow::ArrowTimeUnitNANO =
+ rb_const_get_at(cArrowTimeUnit, rb_intern("NANO"));
+
+ red_arrow::id_BigDecimal = rb_intern("BigDecimal");
+ red_arrow::id_jd = rb_intern("jd");
+ red_arrow::id_new = rb_intern("new");
+ red_arrow::id_to_datetime = rb_intern("to_datetime");
+
+ red_arrow::memory_view::init(mArrow);
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/converters.cpp b/src/arrow/ruby/red-arrow/ext/arrow/converters.cpp
new file mode 100644
index 000000000..f3bfa6f34
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/converters.cpp
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "converters.hpp"
+
+namespace red_arrow {
+ VALUE ArrayValueConverter::convert(const arrow::ListArray& array,
+ const int64_t i) {
+ return list_array_value_converter_->convert(array, i);
+ }
+
+ VALUE ArrayValueConverter::convert(const arrow::StructArray& array,
+ const int64_t i) {
+ return struct_array_value_converter_->convert(array, i);
+ }
+
+ VALUE ArrayValueConverter::convert(const arrow::MapArray& array,
+ const int64_t i) {
+ return map_array_value_converter_->convert(array, i);
+ }
+
+ VALUE ArrayValueConverter::convert(const arrow::UnionArray& array,
+ const int64_t i) {
+ return union_array_value_converter_->convert(array, i);
+ }
+
+ VALUE ArrayValueConverter::convert(const arrow::DictionaryArray& array,
+ const int64_t i) {
+ return dictionary_array_value_converter_->convert(array, i);
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/converters.hpp b/src/arrow/ruby/red-arrow/ext/arrow/converters.hpp
new file mode 100644
index 000000000..f7532f951
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/converters.hpp
@@ -0,0 +1,795 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "red-arrow.hpp"
+
+#include <ruby.hpp>
+#include <ruby/encoding.h>
+
+#include <arrow-glib/error.hpp>
+
+#include <arrow/util/logging.h>
+
+namespace red_arrow {
+ class ListArrayValueConverter;
+ class StructArrayValueConverter;
+ class MapArrayValueConverter;
+ class UnionArrayValueConverter;
+ class DictionaryArrayValueConverter;
+
+ class ArrayValueConverter {
+ public:
+ ArrayValueConverter()
+ : decimal_buffer_(),
+ list_array_value_converter_(nullptr),
+ struct_array_value_converter_(nullptr),
+ map_array_value_converter_(nullptr),
+ union_array_value_converter_(nullptr),
+ dictionary_array_value_converter_(nullptr) {
+ }
+
+ inline void set_sub_value_converters(ListArrayValueConverter* list_array_value_converter,
+ StructArrayValueConverter* struct_array_value_converter,
+ MapArrayValueConverter* map_array_value_converter,
+ UnionArrayValueConverter* union_array_value_converter,
+ DictionaryArrayValueConverter* dictionary_array_value_converter) {
+ list_array_value_converter_ = list_array_value_converter;
+ struct_array_value_converter_ = struct_array_value_converter;
+ map_array_value_converter_ = map_array_value_converter;
+ union_array_value_converter_ = union_array_value_converter;
+ dictionary_array_value_converter_ = dictionary_array_value_converter;
+ }
+
+ inline VALUE convert(const arrow::NullArray& array,
+ const int64_t i) {
+ return Qnil;
+ }
+
+ inline VALUE convert(const arrow::BooleanArray& array,
+ const int64_t i) {
+ return array.Value(i) ? Qtrue : Qfalse;
+ }
+
+ inline VALUE convert(const arrow::Int8Array& array,
+ const int64_t i) {
+ return INT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::Int16Array& array,
+ const int64_t i) {
+ return INT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::Int32Array& array,
+ const int64_t i) {
+ return INT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::Int64Array& array,
+ const int64_t i) {
+ return LL2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::UInt8Array& array,
+ const int64_t i) {
+ return UINT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::UInt16Array& array,
+ const int64_t i) {
+ return UINT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::UInt32Array& array,
+ const int64_t i) {
+ return UINT2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::UInt64Array& array,
+ const int64_t i) {
+ return ULL2NUM(array.Value(i));
+ }
+
+ // TODO
+ // inline VALUE convert(const arrow::HalfFloatArray& array,
+ // const int64_t i) {
+ // }
+
+ inline VALUE convert(const arrow::FloatArray& array,
+ const int64_t i) {
+ return DBL2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::DoubleArray& array,
+ const int64_t i) {
+ return DBL2NUM(array.Value(i));
+ }
+
+ inline VALUE convert(const arrow::BinaryArray& array,
+ const int64_t i) {
+ int32_t length;
+ const auto value = array.GetValue(i, &length);
+ // TODO: encoding support
+ return rb_enc_str_new(reinterpret_cast<const char*>(value),
+ length,
+ rb_ascii8bit_encoding());
+ }
+
+ inline VALUE convert(const arrow::StringArray& array,
+ const int64_t i) {
+ int32_t length;
+ const auto value = array.GetValue(i, &length);
+ return rb_utf8_str_new(reinterpret_cast<const char*>(value),
+ length);
+ }
+
+ inline VALUE convert(const arrow::FixedSizeBinaryArray& array,
+ const int64_t i) {
+ return rb_enc_str_new(reinterpret_cast<const char*>(array.Value(i)),
+ array.byte_width(),
+ rb_ascii8bit_encoding());
+ }
+
+ constexpr static int32_t JULIAN_DATE_UNIX_EPOCH = 2440588;
+ inline VALUE convert(const arrow::Date32Array& array,
+ const int64_t i) {
+ const auto value = array.Value(i);
+ const auto days_in_julian = value + JULIAN_DATE_UNIX_EPOCH;
+ return rb_funcall(cDate, id_jd, 1, LONG2NUM(days_in_julian));
+ }
+
+ inline VALUE convert(const arrow::Date64Array& array,
+ const int64_t i) {
+ const auto value = array.Value(i);
+ auto msec = LL2NUM(value);
+ auto sec = rb_rational_new(msec, INT2NUM(1000));
+ auto time_value = rb_time_num_new(sec, Qnil);
+ return rb_funcall(time_value, id_to_datetime, 0, 0);
+ }
+
+ inline VALUE convert(const arrow::Time32Array& array,
+ const int64_t i) {
+ const auto type =
+ arrow::internal::checked_cast<const arrow::Time32Type*>(array.type().get());
+ const auto value = array.Value(i);
+ return rb_funcall(red_arrow::cArrowTime,
+ id_new,
+ 2,
+ time_unit_to_enum(type->unit()),
+ INT2NUM(value));
+ }
+
+ inline VALUE convert(const arrow::Time64Array& array,
+ const int64_t i) {
+ const auto type =
+ arrow::internal::checked_cast<const arrow::Time64Type*>(array.type().get());
+ const auto value = array.Value(i);
+ return rb_funcall(red_arrow::cArrowTime,
+ id_new,
+ 2,
+ time_unit_to_enum(type->unit()),
+ LL2NUM(value));
+ }
+
+ inline VALUE convert(const arrow::TimestampArray& array,
+ const int64_t i) {
+ const auto type =
+ arrow::internal::checked_cast<const arrow::TimestampType*>(array.type().get());
+ auto scale = time_unit_to_scale(type->unit());
+ auto value = array.Value(i);
+ auto sec = rb_rational_new(LL2NUM(value), scale);
+ return rb_time_num_new(sec, Qnil);
+ }
+
+ // TODO
+ // inline VALUE convert(const arrow::IntervalArray& array,
+ // const int64_t i) {
+ // };
+
+ VALUE convert(const arrow::ListArray& array,
+ const int64_t i);
+
+ VALUE convert(const arrow::StructArray& array,
+ const int64_t i);
+
+ VALUE convert(const arrow::MapArray& array,
+ const int64_t i);
+
+ VALUE convert(const arrow::UnionArray& array,
+ const int64_t i);
+
+ VALUE convert(const arrow::DictionaryArray& array,
+ const int64_t i);
+
+ inline VALUE convert(const arrow::Decimal128Array& array,
+ const int64_t i) {
+ return convert_decimal(std::move(array.FormatValue(i)));
+ }
+
+ inline VALUE convert(const arrow::Decimal256Array& array,
+ const int64_t i) {
+ return convert_decimal(std::move(array.FormatValue(i)));
+ }
+
+ private:
+ inline VALUE convert_decimal(std::string&& value) {
+ decimal_buffer_ = value;
+ return rb_funcall(rb_cObject,
+ id_BigDecimal,
+ 1,
+ rb_enc_str_new(decimal_buffer_.data(),
+ decimal_buffer_.length(),
+ rb_ascii8bit_encoding()));
+ }
+
+ std::string decimal_buffer_;
+ ListArrayValueConverter* list_array_value_converter_;
+ StructArrayValueConverter* struct_array_value_converter_;
+ MapArrayValueConverter* map_array_value_converter_;
+ UnionArrayValueConverter* union_array_value_converter_;
+ DictionaryArrayValueConverter* dictionary_array_value_converter_;
+ };
+
+ class ListArrayValueConverter : public arrow::ArrayVisitor {
+ public:
+ explicit ListArrayValueConverter(ArrayValueConverter* converter)
+ : array_value_converter_(converter),
+ offset_(0),
+ length_(0),
+ result_(Qnil) {}
+
+ VALUE convert(const arrow::ListArray& array, const int64_t index) {
+ auto values = array.values().get();
+ auto offset_keep = offset_;
+ auto length_keep = length_;
+ offset_ = array.value_offset(index);
+ length_ = array.value_length(index);
+ auto result_keep = result_;
+ result_ = rb_ary_new_capa(length_);
+ check_status(values->Accept(this),
+ "[raw-records][list-array]");
+ offset_ = offset_keep;
+ length_ = length_keep;
+ auto result_return = result_;
+ result_ = result_keep;
+ return result_return;
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ return visit_value(array); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ inline VALUE convert_value(const ArrayType& array,
+ const int64_t i) {
+ return array_value_converter_->convert(array, i);
+ }
+
+ template <typename ArrayType>
+ arrow::Status visit_value(const ArrayType& array) {
+ if (array.null_count() > 0) {
+ for (int64_t i = 0; i < length_; ++i) {
+ auto value = Qnil;
+ if (!array.IsNull(i + offset_)) {
+ value = convert_value(array, i + offset_);
+ }
+ rb_ary_push(result_, value);
+ }
+ } else {
+ for (int64_t i = 0; i < length_; ++i) {
+ rb_ary_push(result_, convert_value(array, i + offset_));
+ }
+ }
+ return arrow::Status::OK();
+ }
+
+ ArrayValueConverter* array_value_converter_;
+ int32_t offset_;
+ int32_t length_;
+ VALUE result_;
+ };
+
+ class StructArrayValueConverter : public arrow::ArrayVisitor {
+ public:
+ explicit StructArrayValueConverter(ArrayValueConverter* converter)
+ : array_value_converter_(converter),
+ key_(Qnil),
+ index_(0),
+ result_(Qnil) {}
+
+ VALUE convert(const arrow::StructArray& array,
+ const int64_t index) {
+ auto index_keep = index_;
+ auto result_keep = result_;
+ index_ = index;
+ result_ = rb_hash_new();
+ const auto struct_type = array.struct_type();
+ const auto n = struct_type->num_fields();
+ for (int i = 0; i < n; ++i) {
+ const auto field_type = struct_type->field(i).get();
+ const auto& field_name = field_type->name();
+ auto key_keep = key_;
+ key_ = rb_utf8_str_new(field_name.data(), field_name.length());
+ const auto field_array = array.field(i).get();
+ check_status(field_array->Accept(this),
+ "[raw-records][struct-array]");
+ key_ = key_keep;
+ }
+ auto result_return = result_;
+ result_ = result_keep;
+ index_ = index_keep;
+ return result_return;
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ fill_field(array); \
+ return arrow::Status::OK(); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ inline VALUE convert_value(const ArrayType& array,
+ const int64_t i) {
+ return array_value_converter_->convert(array, i);
+ }
+
+ template <typename ArrayType>
+ void fill_field(const ArrayType& array) {
+ if (array.IsNull(index_)) {
+ rb_hash_aset(result_, key_, Qnil);
+ } else {
+ rb_hash_aset(result_, key_, convert_value(array, index_));
+ }
+ }
+
+ ArrayValueConverter* array_value_converter_;
+ VALUE key_;
+ int64_t index_;
+ VALUE result_;
+ };
+
+ class MapArrayValueConverter : public arrow::ArrayVisitor {
+ public:
+ explicit MapArrayValueConverter(ArrayValueConverter* converter)
+ : array_value_converter_(converter),
+ offset_(0),
+ length_(0),
+ values_(Qnil) {}
+
+ VALUE convert(const arrow::MapArray& array,
+ const int64_t index) {
+ auto key_array = array.keys().get();
+ auto item_array = array.items().get();
+ auto offset_keep = offset_;
+ auto length_keep = length_;
+ auto values_keep = values_;
+ offset_ = array.value_offset(index);
+ length_ = array.value_length(index);
+ auto keys = rb_ary_new_capa(length_);
+ values_ = keys;
+ check_status(key_array->Accept(this),
+ "[raw-records][map-array][keys]");
+ auto items = rb_ary_new_capa(length_);
+ values_ = items;
+ check_status(item_array->Accept(this),
+ "[raw-records][map-array][items]");
+ auto map = rb_hash_new();
+ auto n = RARRAY_LEN(keys);
+ auto raw_keys = RARRAY_CONST_PTR(keys);
+ auto raw_items = RARRAY_CONST_PTR(items);
+ for (long i = 0; i < n; ++i) {
+ rb_hash_aset(map, raw_keys[i], raw_items[i]);
+ }
+ offset_ = offset_keep;
+ length_ = length_keep;
+ values_ = values_keep;
+ return map;
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ return visit_value(array); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ inline VALUE convert_value(const ArrayType& array,
+ const int64_t i) {
+ return array_value_converter_->convert(array, i);
+ }
+
+ template <typename ArrayType>
+ arrow::Status visit_value(const ArrayType& array) {
+ if (array.null_count() > 0) {
+ for (int64_t i = 0; i < length_; ++i) {
+ auto value = Qnil;
+ if (!array.IsNull(i + offset_)) {
+ value = convert_value(array, i + offset_);
+ }
+ rb_ary_push(values_, value);
+ }
+ } else {
+ for (int64_t i = 0; i < length_; ++i) {
+ rb_ary_push(values_, convert_value(array, i + offset_));
+ }
+ }
+ return arrow::Status::OK();
+ }
+
+ ArrayValueConverter* array_value_converter_;
+ int32_t offset_;
+ int32_t length_;
+ VALUE values_;
+ };
+
+ class UnionArrayValueConverter : public arrow::ArrayVisitor {
+ public:
+ explicit UnionArrayValueConverter(ArrayValueConverter* converter)
+ : array_value_converter_(converter),
+ index_(0),
+ result_(Qnil) {}
+
+ VALUE convert(const arrow::UnionArray& array,
+ const int64_t index) {
+ const auto index_keep = index_;
+ const auto result_keep = result_;
+ index_ = index;
+ switch (array.mode()) {
+ case arrow::UnionMode::SPARSE:
+ convert_sparse(static_cast<const arrow::SparseUnionArray&>(array));
+ break;
+ case arrow::UnionMode::DENSE:
+ convert_dense(static_cast<const arrow::DenseUnionArray&>(array));
+ break;
+ default:
+ rb_raise(rb_eArgError, "Invalid union mode");
+ break;
+ }
+ auto result_return = result_;
+ index_ = index_keep;
+ result_ = result_keep;
+ return result_return;
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ convert_value(array); \
+ return arrow::Status::OK(); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ inline void convert_value(const ArrayType& array) {
+ auto result = rb_hash_new();
+ if (array.IsNull(index_)) {
+ rb_hash_aset(result, field_name_, Qnil);
+ } else {
+ rb_hash_aset(result,
+ field_name_,
+ array_value_converter_->convert(array, index_));
+ }
+ result_ = result;
+ }
+
+ uint8_t compute_field_index(const arrow::UnionArray& array,
+ arrow::UnionType* type,
+ const char* tag) {
+ const auto type_code = array.raw_type_codes()[index_];
+ if (type_code >= 0 && type_code <= arrow::UnionType::kMaxTypeCode) {
+ const auto field_id = type->child_ids()[type_code];
+ if (field_id >= 0) {
+ return field_id;
+ }
+ }
+ check_status(arrow::Status::Invalid("Unknown type ID: ", type_code),
+ tag);
+ return 0;
+ }
+
+ void convert_sparse(const arrow::SparseUnionArray& array) {
+ const auto type =
+ std::static_pointer_cast<arrow::UnionType>(array.type()).get();
+ const auto tag = "[raw-records][union-sparse-array]";
+ const auto index = compute_field_index(array, type, tag);
+ const auto field = type->field(index).get();
+ const auto& field_name = field->name();
+ const auto field_name_keep = field_name_;
+ field_name_ = rb_utf8_str_new(field_name.data(), field_name.length());
+ const auto field_array = array.field(index).get();
+ check_status(field_array->Accept(this), tag);
+ field_name_ = field_name_keep;
+ }
+
+ void convert_dense(const arrow::DenseUnionArray& array) {
+ const auto type =
+ std::static_pointer_cast<arrow::UnionType>(array.type()).get();
+ const auto tag = "[raw-records][union-dense-array]";
+ const auto index = compute_field_index(array, type, tag);
+ const auto field = type->field(index).get();
+ const auto& field_name = field->name();
+ const auto field_name_keep = field_name_;
+ field_name_ = rb_utf8_str_new(field_name.data(), field_name.length());
+ const auto field_array = array.field(index);
+ const auto index_keep = index_;
+ index_ = array.value_offset(index_);
+ check_status(field_array->Accept(this), tag);
+ index_ = index_keep;
+ field_name_ = field_name_keep;
+ }
+
+ ArrayValueConverter* array_value_converter_;
+ int64_t index_;
+ VALUE field_name_;
+ VALUE result_;
+ };
+
+ class DictionaryArrayValueConverter : public arrow::ArrayVisitor {
+ public:
+ explicit DictionaryArrayValueConverter(ArrayValueConverter* converter)
+ : array_value_converter_(converter),
+ value_index_(0),
+ result_(Qnil) {
+ }
+
+ VALUE convert(const arrow::DictionaryArray& array,
+ const int64_t index) {
+ value_index_ = array.GetValueIndex(index);
+ auto dictionary = array.dictionary().get();
+ check_status(dictionary->Accept(this),
+ "[raw-records][dictionary-array]");
+ return result_;
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ result_ = convert_value(array, value_index_); \
+ return arrow::Status::OK(); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ inline VALUE convert_value(const ArrayType& array,
+ const int64_t i) {
+ return array_value_converter_->convert(array, i);
+ }
+
+ ArrayValueConverter* array_value_converter_;
+ int64_t value_index_;
+ VALUE result_;
+ };
+
+ class Converter {
+ public:
+ explicit Converter()
+ : array_value_converter_(),
+ list_array_value_converter_(&array_value_converter_),
+ struct_array_value_converter_(&array_value_converter_),
+ map_array_value_converter_(&array_value_converter_),
+ union_array_value_converter_(&array_value_converter_),
+ dictionary_array_value_converter_(&array_value_converter_) {
+ array_value_converter_.
+ set_sub_value_converters(&list_array_value_converter_,
+ &struct_array_value_converter_,
+ &map_array_value_converter_,
+ &union_array_value_converter_,
+ &dictionary_array_value_converter_);
+ }
+
+ template <typename ArrayType>
+ inline VALUE convert_value(const ArrayType& array,
+ const int64_t i) {
+ return array_value_converter_.convert(array, i);
+ }
+
+ ArrayValueConverter array_value_converter_;
+ ListArrayValueConverter list_array_value_converter_;
+ StructArrayValueConverter struct_array_value_converter_;
+ MapArrayValueConverter map_array_value_converter_;
+ UnionArrayValueConverter union_array_value_converter_;
+ DictionaryArrayValueConverter dictionary_array_value_converter_;
+ };
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/extconf.rb b/src/arrow/ruby/red-arrow/ext/arrow/extconf.rb
new file mode 100644
index 000000000..9e92bd316
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/extconf.rb
@@ -0,0 +1,76 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "extpp"
+require "mkmf-gnome"
+require_relative "../../lib/arrow/version"
+
+arrow_pkg_config_path = ENV["ARROW_PKG_CONFIG_PATH"]
+if arrow_pkg_config_path
+ pkg_config_paths = [arrow_pkg_config_path, ENV["PKG_CONFIG_PATH"]].compact
+ ENV["PKG_CONFIG_PATH"] = pkg_config_paths.join(File::PATH_SEPARATOR)
+end
+
+checking_for(checking_message("Homebrew")) do
+ platform = NativePackageInstaller::Platform.detect
+ if platform.is_a?(NativePackageInstaller::Platform::Homebrew)
+ openssl_prefix = `brew --prefix openssl@1.1`.chomp
+ unless openssl_prefix.empty?
+ PKGConfig.add_path("#{openssl_prefix}/lib/pkgconfig")
+ end
+ true
+ else
+ false
+ end
+end
+
+unless required_pkg_config_package([
+ "arrow",
+ Arrow::Version::MAJOR,
+ Arrow::Version::MINOR,
+ Arrow::Version::MICRO,
+ ],
+ debian: "libarrow-dev",
+ redhat: "arrow-devel",
+ homebrew: "apache-arrow",
+ msys2: "arrow")
+ exit(false)
+end
+
+unless required_pkg_config_package([
+ "arrow-glib",
+ Arrow::Version::MAJOR,
+ Arrow::Version::MINOR,
+ Arrow::Version::MICRO,
+ ],
+ debian: "libarrow-glib-dev",
+ redhat: "arrow-glib-devel",
+ homebrew: "apache-arrow-glib",
+ msys2: "arrow")
+ exit(false)
+end
+
+[
+ ["glib2", "ext/glib2"],
+].each do |name, relative_source_dir|
+ spec = find_gem_spec(name)
+ source_dir = File.join(spec.full_gem_path, relative_source_dir)
+ build_dir = source_dir
+ add_depend_package_path(name, source_dir, build_dir)
+end
+
+create_makefile("arrow")
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/memory-view.cpp b/src/arrow/ruby/red-arrow/ext/arrow/memory-view.cpp
new file mode 100644
index 000000000..a3135310c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/memory-view.cpp
@@ -0,0 +1,311 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "memory-view.hpp"
+
+#include <arrow-glib/arrow-glib.hpp>
+#include <rbgobject.h>
+
+#include <ruby/version.h>
+
+#if RUBY_API_VERSION_MAJOR >= 3
+# define HAVE_MEMORY_VIEW
+# define private memory_view_private
+# include <ruby/memory_view.h>
+# undef private
+#endif
+
+#include <sstream>
+
+namespace red_arrow {
+ namespace memory_view {
+#ifdef HAVE_MEMORY_VIEW
+ // This is workaround for the following rb_memory_view_t problems
+ // in C++:
+ //
+ // * Can't use "private" as member name
+ // * Can't assign a value to "rb_memory_view_t::private"
+ //
+ // This has compatible layout with rb_memory_view_t.
+ struct memory_view {
+ VALUE obj;
+ void *data;
+ ssize_t byte_size;
+ bool readonly;
+ const char *format;
+ ssize_t item_size;
+ struct {
+ const rb_memory_view_item_component_t *components;
+ size_t length;
+ } item_desc;
+ ssize_t ndim;
+ const ssize_t *shape;
+ const ssize_t *strides;
+ const ssize_t *sub_offsets;
+ void *private_data;
+ };
+
+ struct PrivateData {
+ std::string format;
+ };
+
+ class PrimitiveArrayGetter : public arrow::ArrayVisitor {
+ public:
+ explicit PrimitiveArrayGetter(memory_view *view)
+ : view_(view) {
+ }
+
+ arrow::Status Visit(const arrow::BooleanArray& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ // Memory view doesn't support bit stream. We use one byte
+ // for 8 elements. Users can't calculate the number of
+ // elements from memory view but it's limitation of memory view.
+#ifdef ARROW_LITTLE_ENDIAN
+ view_->format = "b8";
+#else
+ view_->format = "B8";
+#endif
+ view_->item_size = 1;
+ view_->byte_size = (array.length() + 7) / 8;
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Int8Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "c";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Int16Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "s";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Int32Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "l";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Int64Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::UInt8Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "C";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::UInt16Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "S";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::UInt32Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "L";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::UInt64Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "Q";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::FloatArray& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "f";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::DoubleArray& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "d";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::FixedSizeBinaryArray& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ auto priv = static_cast<PrivateData *>(view_->private_data);
+ const auto type =
+ std::static_pointer_cast<const arrow::FixedSizeBinaryType>(
+ array.type());
+ std::ostringstream output;
+ output << "C" << type->byte_width();
+ priv->format = output.str();
+ view_->format = priv->format.c_str();
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Date32Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "l";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Date64Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Time32Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "l";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Time64Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::TimestampArray& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Decimal128Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q2";
+ return arrow::Status::OK();
+ }
+
+ arrow::Status Visit(const arrow::Decimal256Array& array) override {
+ fill(static_cast<const arrow::Array&>(array));
+ view_->format = "q4";
+ return arrow::Status::OK();
+ }
+
+ private:
+ void fill(const arrow::Array& array) {
+ const auto array_data = array.data();
+ const auto data = array_data->GetValuesSafe<uint8_t>(1);
+ view_->data = const_cast<void *>(reinterpret_cast<const void *>(data));
+ const auto type =
+ std::static_pointer_cast<const arrow::FixedWidthType>(array.type());
+ view_->item_size = type->bit_width() / 8;
+ view_->byte_size = view_->item_size * array.length();
+ }
+
+ memory_view *view_;
+ };
+
+ bool primitive_array_get(VALUE obj, rb_memory_view_t *view, int flags) {
+ if (flags != RUBY_MEMORY_VIEW_SIMPLE) {
+ return false;
+ }
+ auto view_ = reinterpret_cast<memory_view *>(view);
+ view_->obj = obj;
+ view_->private_data = new PrivateData();
+ auto array = GARROW_ARRAY(RVAL2GOBJ(obj));
+ auto arrow_array = garrow_array_get_raw(array);
+ PrimitiveArrayGetter getter(view_);
+ auto status = arrow_array->Accept(&getter);
+ if (!status.ok()) {
+ return false;
+ }
+ view_->readonly = true;
+ view_->ndim = 1;
+ view_->shape = NULL;
+ view_->strides = NULL;
+ view_->sub_offsets = NULL;
+ return true;
+ }
+
+ bool primitive_array_release(VALUE obj, rb_memory_view_t *view) {
+ auto view_ = reinterpret_cast<memory_view *>(view);
+ delete static_cast<PrivateData *>(view_->private_data);
+ return true;
+ }
+
+ bool primitive_array_available_p(VALUE obj) {
+ return true;
+ }
+
+ rb_memory_view_entry_t primitive_array_entry = {
+ primitive_array_get,
+ primitive_array_release,
+ primitive_array_available_p,
+ };
+
+ bool buffer_get(VALUE obj, rb_memory_view_t *view, int flags) {
+ if (flags != RUBY_MEMORY_VIEW_SIMPLE) {
+ return false;
+ }
+ auto view_ = reinterpret_cast<memory_view *>(view);
+ view_->obj = obj;
+ auto buffer = GARROW_BUFFER(RVAL2GOBJ(obj));
+ auto arrow_buffer = garrow_buffer_get_raw(buffer);
+ view_->data =
+ const_cast<void *>(reinterpret_cast<const void *>(arrow_buffer->data()));
+ // Memory view doesn't support bit stream. We use one byte
+ // for 8 elements. Users can't calculate the number of
+ // elements from memory view but it's limitation of memory view.
+#ifdef ARROW_LITTLE_ENDIAN
+ view_->format = "b8";
+#else
+ view_->format = "B8";
+#endif
+ view_->item_size = 1;
+ view_->byte_size = arrow_buffer->size();
+ view_->readonly = true;
+ view_->ndim = 1;
+ view_->shape = NULL;
+ view_->strides = NULL;
+ view_->sub_offsets = NULL;
+ return true;
+ }
+
+ bool buffer_release(VALUE obj, rb_memory_view_t *view) {
+ return true;
+ }
+
+ bool buffer_available_p(VALUE obj) {
+ return true;
+ }
+
+ rb_memory_view_entry_t buffer_entry = {
+ buffer_get,
+ buffer_release,
+ buffer_available_p,
+ };
+#endif
+
+ void init(VALUE mArrow) {
+#ifdef HAVE_MEMORY_VIEW
+ auto cPrimitiveArray =
+ rb_const_get_at(mArrow, rb_intern("PrimitiveArray"));
+ rb_memory_view_register(cPrimitiveArray,
+ &(red_arrow::memory_view::primitive_array_entry));
+
+ auto cBuffer = rb_const_get_at(mArrow, rb_intern("Buffer"));
+ rb_memory_view_register(cBuffer, &(red_arrow::memory_view::buffer_entry));
+#endif
+ }
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/memory-view.hpp b/src/arrow/ruby/red-arrow/ext/arrow/memory-view.hpp
new file mode 100644
index 000000000..7a7764622
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/memory-view.hpp
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <ruby.hpp>
+
+namespace red_arrow {
+ namespace memory_view {
+ void init(VALUE mArrow);
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/raw-records.cpp b/src/arrow/ruby/red-arrow/ext/arrow/raw-records.cpp
new file mode 100644
index 000000000..16261b895
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/raw-records.cpp
@@ -0,0 +1,184 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "converters.hpp"
+
+namespace red_arrow {
+ namespace {
+ class RawRecordsBuilder : private Converter, public arrow::ArrayVisitor {
+ public:
+ explicit RawRecordsBuilder(VALUE records, int n_columns)
+ : Converter(),
+ records_(records),
+ n_columns_(n_columns) {
+ }
+
+ void build(const arrow::RecordBatch& record_batch) {
+ rb::protect([&] {
+ const auto n_rows = record_batch.num_rows();
+ for (int64_t i = 0; i < n_rows; ++i) {
+ auto record = rb_ary_new_capa(n_columns_);
+ rb_ary_push(records_, record);
+ }
+ row_offset_ = 0;
+ for (int i = 0; i < n_columns_; ++i) {
+ const auto array = record_batch.column(i).get();
+ column_index_ = i;
+ check_status(array->Accept(this),
+ "[record-batch][raw-records]");
+ }
+ return Qnil;
+ });
+ }
+
+ void build(const arrow::Table& table) {
+ rb::protect([&] {
+ const auto n_rows = table.num_rows();
+ for (int64_t i = 0; i < n_rows; ++i) {
+ auto record = rb_ary_new_capa(n_columns_);
+ rb_ary_push(records_, record);
+ }
+ for (int i = 0; i < n_columns_; ++i) {
+ const auto& chunked_array = table.column(i).get();
+ column_index_ = i;
+ row_offset_ = 0;
+ for (const auto array : chunked_array->chunks()) {
+ check_status(array->Accept(this),
+ "[table][raw-records]");
+ row_offset_ += array->length();
+ }
+ }
+ return Qnil;
+ });
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ convert(array); \
+ return arrow::Status::OK(); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ void convert(const ArrayType& array) {
+ const auto n = array.length();
+ if (array.null_count() > 0) {
+ for (int64_t i = 0, ii = row_offset_; i < n; ++i, ++ii) {
+ auto value = Qnil;
+ if (!array.IsNull(i)) {
+ value = convert_value(array, i);
+ }
+ auto record = rb_ary_entry(records_, ii);
+ rb_ary_store(record, column_index_, value);
+ }
+ } else {
+ for (int64_t i = 0, ii = row_offset_; i < n; ++i, ++ii) {
+ auto record = rb_ary_entry(records_, ii);
+ rb_ary_store(record, column_index_, convert_value(array, i));
+ }
+ }
+ }
+
+ // Destination for converted records.
+ VALUE records_;
+
+ // The current column index.
+ int column_index_;
+
+ // The current row offset.
+ int64_t row_offset_;
+
+ // The number of columns.
+ const int n_columns_;
+ };
+ }
+
+ VALUE
+ record_batch_raw_records(VALUE rb_record_batch) {
+ auto garrow_record_batch = GARROW_RECORD_BATCH(RVAL2GOBJ(rb_record_batch));
+ auto record_batch = garrow_record_batch_get_raw(garrow_record_batch).get();
+ const auto n_rows = record_batch->num_rows();
+ const auto n_columns = record_batch->num_columns();
+ auto records = rb_ary_new_capa(n_rows);
+
+ try {
+ RawRecordsBuilder builder(records, n_columns);
+ builder.build(*record_batch);
+ } catch (rb::State& state) {
+ state.jump();
+ }
+
+ return records;
+ }
+
+ VALUE
+ table_raw_records(VALUE rb_table) {
+ auto garrow_table = GARROW_TABLE(RVAL2GOBJ(rb_table));
+ auto table = garrow_table_get_raw(garrow_table).get();
+ const auto n_rows = table->num_rows();
+ const auto n_columns = table->num_columns();
+ auto records = rb_ary_new_capa(n_rows);
+
+ try {
+ RawRecordsBuilder builder(records, n_columns);
+ builder.build(*table);
+ } catch (rb::State& state) {
+ state.jump();
+ }
+
+ return records;
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/red-arrow.hpp b/src/arrow/ruby/red-arrow/ext/arrow/red-arrow.hpp
new file mode 100644
index 000000000..c3301dc7b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/red-arrow.hpp
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#pragma once
+
+#include <arrow/api.h>
+
+#ifdef _WIN32
+# define gmtime_r gmtime_r_ruby_win32
+# define localtime_r localtime_r_ruby_win32
+# include <ruby.h>
+# undef gmtime_r
+# undef localtime_r
+#endif
+
+#include <arrow-glib/arrow-glib.hpp>
+#include <rbgobject.h>
+
+namespace red_arrow {
+ extern VALUE cDate;
+
+ extern VALUE cArrowTime;
+
+ extern VALUE ArrowTimeUnitSECOND;
+ extern VALUE ArrowTimeUnitMILLI;
+ extern VALUE ArrowTimeUnitMICRO;
+ extern VALUE ArrowTimeUnitNANO;
+
+ extern ID id_BigDecimal;
+ extern ID id_jd;
+ extern ID id_new;
+ extern ID id_to_datetime;
+
+ VALUE array_values(VALUE obj);
+ VALUE chunked_array_values(VALUE obj);
+
+ VALUE record_batch_raw_records(VALUE obj);
+ VALUE table_raw_records(VALUE obj);
+
+ inline VALUE time_unit_to_scale(const arrow::TimeUnit::type unit) {
+ switch (unit) {
+ case arrow::TimeUnit::SECOND:
+ return INT2FIX(1);
+ case arrow::TimeUnit::MILLI:
+ return INT2FIX(1000);
+ case arrow::TimeUnit::MICRO:
+ return INT2FIX(1000 * 1000);
+ case arrow::TimeUnit::NANO:
+ // NOTE: INT2FIX works for 1e+9 because: FIXNUM_MAX >= (1<<30) - 1 > 1e+9
+ return INT2FIX(1000 * 1000 * 1000);
+ default:
+ rb_raise(rb_eArgError, "invalid arrow::TimeUnit: %d", unit);
+ return Qnil;
+ }
+ }
+
+ inline VALUE time_unit_to_enum(const arrow::TimeUnit::type unit) {
+ switch (unit) {
+ case arrow::TimeUnit::SECOND:
+ return red_arrow::ArrowTimeUnitSECOND;
+ case arrow::TimeUnit::MILLI:
+ return red_arrow::ArrowTimeUnitMILLI;
+ case arrow::TimeUnit::MICRO:
+ return red_arrow::ArrowTimeUnitMICRO;
+ case arrow::TimeUnit::NANO:
+ return red_arrow::ArrowTimeUnitNANO;
+ default:
+ rb_raise(rb_eArgError, "invalid arrow::TimeUnit: %d", unit);
+ return Qnil;
+ }
+ }
+
+ inline void check_status(const arrow::Status&& status, const char* context) {
+ GError* error = nullptr;
+ if (!garrow_error_check(&error, status, context)) {
+ RG_RAISE_ERROR(error);
+ }
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/ext/arrow/values.cpp b/src/arrow/ruby/red-arrow/ext/arrow/values.cpp
new file mode 100644
index 000000000..a8a5775b9
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/ext/arrow/values.cpp
@@ -0,0 +1,157 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "converters.hpp"
+
+namespace red_arrow {
+ namespace {
+ class ValuesBuilder : private Converter, public arrow::ArrayVisitor {
+ public:
+ explicit ValuesBuilder(VALUE values)
+ : Converter(),
+ values_(values),
+ row_offset_(0) {
+ }
+
+ void build(const arrow::Array& array, VALUE rb_array) {
+ rb::protect([&] {
+ check_status(array.Accept(this),
+ "[array][values]");
+ return Qnil;
+ });
+ }
+
+ void build(const arrow::ChunkedArray& chunked_array,
+ VALUE rb_chunked_array) {
+ rb::protect([&] {
+ for (const auto& array : chunked_array.chunks()) {
+ check_status(array->Accept(this),
+ "[chunked-array][values]");
+ row_offset_ += array->length();
+ }
+ return Qnil;
+ });
+ }
+
+#define VISIT(TYPE) \
+ arrow::Status Visit(const arrow::TYPE ## Array& array) override { \
+ convert(array); \
+ return arrow::Status::OK(); \
+ }
+
+ VISIT(Null)
+ VISIT(Boolean)
+ VISIT(Int8)
+ VISIT(Int16)
+ VISIT(Int32)
+ VISIT(Int64)
+ VISIT(UInt8)
+ VISIT(UInt16)
+ VISIT(UInt32)
+ VISIT(UInt64)
+ // TODO
+ // VISIT(HalfFloat)
+ VISIT(Float)
+ VISIT(Double)
+ VISIT(Binary)
+ VISIT(String)
+ VISIT(FixedSizeBinary)
+ VISIT(Date32)
+ VISIT(Date64)
+ VISIT(Time32)
+ VISIT(Time64)
+ VISIT(Timestamp)
+ // TODO
+ // VISIT(Interval)
+ VISIT(List)
+ VISIT(Struct)
+ VISIT(Map)
+ VISIT(SparseUnion)
+ VISIT(DenseUnion)
+ VISIT(Dictionary)
+ VISIT(Decimal128)
+ VISIT(Decimal256)
+ // TODO
+ // VISIT(Extension)
+
+#undef VISIT
+
+ private:
+ template <typename ArrayType>
+ void convert(const ArrayType& array) {
+ const auto n = array.length();
+ if (array.null_count() > 0) {
+ for (int64_t i = 0, ii = row_offset_; i < n; ++i, ++ii) {
+ auto value = Qnil;
+ if (!array.IsNull(i)) {
+ value = convert_value(array, i);
+ }
+ rb_ary_store(values_, ii, value);
+ }
+ } else {
+ for (int64_t i = 0, ii = row_offset_; i < n; ++i, ++ii) {
+ rb_ary_store(values_, ii, convert_value(array, i));
+ }
+ }
+ }
+
+ // Destination for converted values.
+ VALUE values_;
+
+ // The current row offset.
+ int64_t row_offset_;
+ };
+ }
+
+ VALUE
+ array_values(VALUE rb_array) {
+ auto garrow_array = GARROW_ARRAY(RVAL2GOBJ(rb_array));
+ auto array = garrow_array_get_raw(garrow_array).get();
+ const auto n_rows = array->length();
+ auto values = rb_ary_new_capa(n_rows);
+
+ try {
+ ValuesBuilder builder(values);
+ builder.build(*array, rb_array);
+ } catch (rb::State& state) {
+ state.jump();
+ }
+
+ return values;
+ }
+
+ VALUE
+ chunked_array_values(VALUE rb_chunked_array) {
+ auto garrow_chunked_array =
+ GARROW_CHUNKED_ARRAY(RVAL2GOBJ(rb_chunked_array));
+ auto chunked_array =
+ garrow_chunked_array_get_raw(garrow_chunked_array).get();
+ const auto n_rows = chunked_array->length();
+ auto values = rb_ary_new_capa(n_rows);
+
+ try {
+ ValuesBuilder builder(values);
+ builder.build(*chunked_array, rb_chunked_array);
+ } catch (rb::State& state) {
+ state.jump();
+ }
+
+ return values;
+ }
+}
diff --git a/src/arrow/ruby/red-arrow/image/red-arrow.png b/src/arrow/ruby/red-arrow/image/red-arrow.png
new file mode 100644
index 000000000..6db9b4b7a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/image/red-arrow.png
Binary files differ
diff --git a/src/arrow/ruby/red-arrow/lib/arrow.rb b/src/arrow/ruby/red-arrow/lib/arrow.rb
new file mode 100644
index 000000000..8fbc537bc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow.rb
@@ -0,0 +1,30 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "extpp/setup"
+require "gio2"
+
+require "arrow/version"
+
+require "arrow/loader"
+
+module Arrow
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/aggregate-node-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/aggregate-node-options.rb
new file mode 100644
index 000000000..f3a6ace58
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/aggregate-node-options.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class AggregateNodeOptions
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Hash
+ aggregations = value[:aggregations]
+ return nil if aggregations.nil?
+ keys = value[:keys]
+ new(aggregations, keys)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/aggregation.rb b/src/arrow/ruby/red-arrow/lib/arrow/aggregation.rb
new file mode 100644
index 000000000..9aac8239d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/aggregation.rb
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Aggregation
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Hash
+ function = value[:function]
+ return nil if function.nil?
+ function = function.to_s if function.is_a?(Symbol)
+ return nil unless function.is_a?(String)
+ # TODO: Improve this when we have non hash based aggregate function
+ function = "hash_#{function}" unless function.start_with?("hash_")
+ options = value[:options]
+ input = value[:input]
+ return nil if input.nil?
+ output = value[:output]
+ if output.nil?
+ normalized_function = function.gsub(/\Ahash_/, "")
+ output = "#{normalized_function}(#{input})"
+ end
+ new(function, options, input, output)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/array-builder.rb
new file mode 100644
index 000000000..651aed962
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/array-builder.rb
@@ -0,0 +1,214 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "date"
+
+module Arrow
+ class ArrayBuilder
+ class << self
+ def build(values)
+ if self != ArrayBuilder
+ builder = new
+ return builder.build(values)
+ end
+
+ builder_info = nil
+ values.each do |value|
+ builder_info = detect_builder_info(value, builder_info)
+ break if builder_info and builder_info[:detected]
+ end
+ if builder_info
+ builder = builder_info[:builder]
+ builder.build(values)
+ else
+ Arrow::StringArray.new(values)
+ end
+ end
+
+ def buildable?(args)
+ args.size == method(:build).arity
+ end
+
+ private
+ def detect_builder_info(value, builder_info)
+ case value
+ when nil
+ builder_info
+ when true, false
+ {
+ builder: BooleanArrayBuilder.new,
+ detected: true,
+ }
+ when String
+ {
+ builder: StringArrayBuilder.new,
+ detected: true,
+ }
+ when Symbol
+ {
+ builder: StringDictionaryArrayBuilder.new,
+ detected: true,
+ }
+ when Float
+ {
+ builder: DoubleArrayBuilder.new,
+ detected: true,
+ }
+ when Integer
+ if value < 0
+ {
+ builder: IntArrayBuilder.new,
+ detected: true,
+ }
+ else
+ {
+ builder: UIntArrayBuilder.new,
+ }
+ end
+ when Time
+ data_type = value.data_type
+ case data_type.unit
+ when TimeUnit::SECOND
+ builder_info || {
+ builder: Time32ArrayBuilder.new(data_type)
+ }
+ when TimeUnit::MILLI
+ if builder_info and builder_info[:builder].is_a?(Time64ArrayBuilder)
+ builder_info
+ else
+ {
+ builder: Time32ArrayBuilder.new(data_type),
+ }
+ end
+ when TimeUnit::MICRO
+ {
+ builder: Time64ArrayBuilder.new(data_type),
+ }
+ when TimeUnit::NANO
+ {
+ builder: Time64ArrayBuilder.new(data_type),
+ detected: true
+ }
+ end
+ when ::Time
+ data_type = TimestampDataType.new(:nano)
+ {
+ builder: TimestampArrayBuilder.new(data_type),
+ detected: true,
+ }
+ when DateTime
+ {
+ builder: Date64ArrayBuilder.new,
+ detected: true,
+ }
+ when Date
+ {
+ builder: Date32ArrayBuilder.new,
+ detected: true,
+ }
+ when BigDecimal
+ if value.to_arrow.is_a?(Decimal128)
+ {
+ builder: Decimal128ArrayBuilder.new,
+ }
+ else
+ {
+ builder: Decimal256ArrayBuilder.new,
+ detected: true,
+ }
+ end
+ when ::Array
+ sub_builder_info = nil
+ value.each do |sub_value|
+ sub_builder_info = detect_builder_info(sub_value, sub_builder_info)
+ break if sub_builder_info and sub_builder_info[:detected]
+ end
+ if sub_builder_info and sub_builder_info[:detected]
+ sub_value_data_type = sub_builder_info[:builder].value_data_type
+ field = Field.new("item", sub_value_data_type)
+ {
+ builder: ListArrayBuilder.new(ListDataType.new(field)),
+ detected: true,
+ }
+ else
+ builder_info
+ end
+ else
+ {
+ builder: StringArrayBuilder.new,
+ detected: true,
+ }
+ end
+ end
+ end
+
+ def build(values)
+ append(*values)
+ finish
+ end
+
+ # @since 0.12.0
+ def append(*values)
+ value_convertable = respond_to?(:convert_to_arrow_value, true)
+ start_index = 0
+ current_index = 0
+ status = :value
+
+ values.each do |value|
+ if value.nil?
+ if status == :value
+ if start_index != current_index
+ target_values = values[start_index...current_index]
+ if value_convertable
+ target_values = target_values.collect do |v|
+ convert_to_arrow_value(v)
+ end
+ end
+ append_values(target_values, nil)
+ start_index = current_index
+ end
+ status = :null
+ end
+ else
+ if status == :null
+ append_nulls(current_index - start_index)
+ start_index = current_index
+ status = :value
+ end
+ end
+ current_index += 1
+ end
+ if start_index != current_index
+ if status == :value
+ if start_index == 0 and current_index == values.size
+ target_values = values
+ else
+ target_values = values[start_index...current_index]
+ end
+ if value_convertable
+ target_values = target_values.collect do |v|
+ convert_to_arrow_value(v)
+ end
+ end
+ append_values(target_values, nil)
+ else
+ append_nulls(current_index - start_index)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/array.rb b/src/arrow/ruby/red-arrow/lib/arrow/array.rb
new file mode 100644
index 000000000..c6c0daaec
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/array.rb
@@ -0,0 +1,234 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Array
+ include Enumerable
+ include GenericFilterable
+ include GenericTakeable
+
+ class << self
+ def new(*args)
+ _builder_class = builder_class
+ return super if _builder_class.nil?
+ return super unless _builder_class.buildable?(args)
+ _builder_class.build(*args)
+ end
+
+ def builder_class
+ builder_class_name = "#{name}Builder"
+ return nil unless const_defined?(builder_class_name)
+ const_get(builder_class_name)
+ end
+ end
+
+ # @param i [Integer]
+ # The index of the value to be gotten.
+ #
+ # You can specify negative index like for `::Array#[]`.
+ #
+ # @return [Object, nil]
+ # The `i`-th value.
+ #
+ # `nil` for NULL value or out of range `i`.
+ def [](i)
+ i += length if i < 0
+ return nil if i < 0 or i >= length
+ if null?(i)
+ nil
+ else
+ get_value(i)
+ end
+ end
+
+ # @param other [Arrow::Array] The array to be compared.
+ # @param options [Arrow::EqualOptions, Hash] (nil)
+ # The options to custom how to compare.
+ #
+ # @return [Boolean]
+ # `true` if both of them have the same data, `false` otherwise.
+ #
+ # @since 5.0.0
+ def equal_array?(other, options=nil)
+ equal_options(other, options)
+ end
+
+ def each
+ return to_enum(__method__) unless block_given?
+
+ length.times do |i|
+ yield(self[i])
+ end
+ end
+
+ def reverse_each
+ return to_enum(__method__) unless block_given?
+
+ (length - 1).downto(0) do |i|
+ yield(self[i])
+ end
+ end
+
+ def to_arrow
+ self
+ end
+
+ alias_method :value_data_type_raw, :value_data_type
+ def value_data_type
+ @value_data_type ||= value_data_type_raw
+ end
+
+ def to_a
+ values
+ end
+
+ alias_method :is_in_raw, :is_in
+ def is_in(values)
+ case values
+ when ::Array
+ if self.class.builder_class.buildable?([values])
+ values = self.class.new(values)
+ else
+ values = self.class.new(value_data_type, values)
+ end
+ is_in_raw(values)
+ when ChunkedArray
+ is_in_chunked_array(values)
+ else
+ is_in_raw(values)
+ end
+ end
+
+ # @api private
+ alias_method :concatenate_raw, :concatenate
+ # Concatenates the given other arrays to the array.
+ #
+ # @param other_arrays [::Array, Arrow::Array] The arrays to be
+ # concatenated.
+ #
+ # Each other array is processed by {#resolve} before they're
+ # concatenated.
+ #
+ # @example Raw Ruby Array
+ # array = Arrow::Int32Array.new([1])
+ # array.concatenate([2, 3], [4]) # => Arrow::Int32Array.new([1, 2, 3, 4])
+ #
+ # @example Arrow::Array
+ # array = Arrow::Int32Array.new([1])
+ # array.concatenate(Arrow::Int32Array.new([2, 3]),
+ # Arrow::Int8Array.new([4])) # => Arrow::Int32Array.new([1, 2, 3, 4])
+ #
+ # @since 4.0.0
+ def concatenate(*other_arrays)
+ other_arrays = other_arrays.collect do |other_array|
+ resolve(other_array)
+ end
+ concatenate_raw(other_arrays)
+ end
+
+ # Concatenates the given other array to the array.
+ #
+ # If you have multiple arrays to be concatenated, you should use
+ # {#concatenate} to concatenate multiple arrays at once.
+ #
+ # @param other_array [::Array, Arrow::Array] The array to be concatenated.
+ #
+ # `@other_array` is processed by {#resolve} before it's
+ # concatenated.
+ #
+ # @example Raw Ruby Array
+ # Arrow::Int32Array.new([1]) + [2, 3] # => Arrow::Int32Array.new([1, 2, 3])
+ #
+ # @example Arrow::Array
+ # Arrow::Int32Array.new([1]) +
+ # Arrow::Int32Array.new([2, 3]) # => Arrow::Int32Array.new([1, 2, 3])
+ #
+ # @since 4.0.0
+ def +(other_array)
+ concatenate(other_array)
+ end
+
+ # Ensures returning the same data type array from the given array.
+ #
+ # @return [Arrow::Array]
+ #
+ # @overload resolve(other_raw_array)
+ #
+ # @param other_raw_array [::Array] A raw Ruby Array. A new Arrow::Array
+ # is built by `self.class.new`.
+ #
+ # @example Raw Ruby Array
+ # int32_array = Arrow::Int32Array.new([1])
+ # other_array = int32_array.resolve([2, 3, 4])
+ # other_array # => Arrow::Int32Array.new([2, 3, 4])
+ #
+ # @overload resolve(other_array)
+ #
+ # @param other_array [Arrow::Array] Another Arrow::Array.
+ #
+ # If the given other array is an same data type array of
+ # `self`, the given other array is returned as-is.
+ #
+ # If the given other array isn't an same data type array of
+ # `self`, the given other array is casted.
+ #
+ # @example Same data type
+ # int32_array = Arrow::Int32Array.new([1])
+ # other_int32_array = Arrow::Int32Array.new([2, 3, 4])
+ # other_array = int32_array.resolve(other_int32_array)
+ # other_array.object_id == other_int32_array.object_id
+ #
+ # @example Other data type
+ # int32_array = Arrow::Int32Array.new([1])
+ # other_int8_array = Arrow::Int8Array.new([2, 3, 4])
+ # other_array = int32_array.resolve(other_int32_array)
+ # other_array #=> Arrow::Int32Array.new([2, 3, 4])
+ #
+ # @since 4.0.0
+ def resolve(other_array)
+ if other_array.is_a?(::Array)
+ builder_class = self.class.builder_class
+ if builder_class.nil?
+ message =
+ "[array][resolve] can't build #{value_data_type} array " +
+ "from raw Ruby Array"
+ raise ArgumentError, message
+ end
+ if builder_class.buildable?([other_array])
+ other_array = builder_class.build(other_array)
+ elsif builder_class.buildable?([value_data_type, other_array])
+ other_array = builder_class.build(value_data_type, other_array)
+ else
+ message =
+ "[array][resolve] need to implement " +
+ "a feature that building #{value_data_type} array " +
+ "from raw Ruby Array"
+ raise NotImpelemented, message
+ end
+ other_array
+ elsif other_array.respond_to?(:value_data_type)
+ return other_array if value_data_type == other_array.value_data_type
+ other_array.cast(value_data_type)
+ else
+ message =
+ "[array][resolve] can't build #{value_data_type} array: " +
+ "#{other_array.inspect}"
+ raise ArgumentError, message
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/bigdecimal-extension.rb b/src/arrow/ruby/red-arrow/lib/arrow/bigdecimal-extension.rb
new file mode 100644
index 000000000..338efe696
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/bigdecimal-extension.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "bigdecimal"
+
+class BigDecimal
+ def to_arrow
+ if precision <= Arrow::Decimal128DataType::MAX_PRECISION
+ Arrow::Decimal128.new(to_s)
+ else
+ Arrow::Decimal256.new(to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/binary-dictionary-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/binary-dictionary-array-builder.rb
new file mode 100644
index 000000000..6d05e2c41
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/binary-dictionary-array-builder.rb
@@ -0,0 +1,27 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class BinaryDictionaryArrayBuilder
+ include SymbolValuesAppendable
+
+ private
+ def create_values_array_builder
+ BinaryArrayBuilder.new
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/block-closable.rb b/src/arrow/ruby/red-arrow/lib/arrow/block-closable.rb
new file mode 100644
index 000000000..ec236bd15
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/block-closable.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module BlockClosable
+ def open(*args, &block)
+ io = new(*args)
+ return io unless block
+
+ begin
+ yield(io)
+ ensure
+ if io.respond_to?(:closed?)
+ io.close unless io.closed?
+ else
+ io.close
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/buffer.rb b/src/arrow/ruby/red-arrow/lib/arrow/buffer.rb
new file mode 100644
index 000000000..9f3a3f61b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/buffer.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Buffer
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when String
+ new(value)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb
new file mode 100644
index 000000000..30dffa856
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb
@@ -0,0 +1,91 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class ChunkedArray
+ include Enumerable
+ include GenericFilterable
+ include GenericTakeable
+
+ alias_method :size, :n_rows
+ unless method_defined?(:length)
+ alias_method :length, :n_rows
+ end
+
+ alias_method :chunks_raw, :chunks
+ def chunks
+ @chunks ||= chunks_raw
+ end
+
+ def null?(i)
+ chunks.each do |array|
+ return array.null?(i) if i < array.length
+ i -= array.length
+ end
+ nil
+ end
+
+ def valid?(i)
+ chunks.each do |array|
+ return array.valid?(i) if i < array.length
+ i -= array.length
+ end
+ nil
+ end
+
+ def [](i)
+ i += length if i < 0
+ chunks.each do |array|
+ return array[i] if i < array.length
+ i -= array.length
+ end
+ nil
+ end
+
+ def each(&block)
+ return to_enum(__method__) unless block_given?
+
+ chunks.each do |array|
+ array.each(&block)
+ end
+ end
+
+ def reverse_each(&block)
+ return to_enum(__method__) unless block_given?
+
+ chunks.reverse_each do |array|
+ array.reverse_each(&block)
+ end
+ end
+
+ def each_chunk(&block)
+ chunks.each(&block)
+ end
+
+ def pack
+ first_chunk = chunks.first
+ data_type = first_chunk.value_data_type
+ case data_type
+ when TimestampDataType
+ builder = TimestampArrayBuilder.new(data_type)
+ builder.build(to_a)
+ else
+ first_chunk.class.new(to_a)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/column-containable.rb b/src/arrow/ruby/red-arrow/lib/arrow/column-containable.rb
new file mode 100644
index 000000000..7d7de66bd
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/column-containable.rb
@@ -0,0 +1,147 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module ColumnContainable
+ def columns
+ @columns ||= schema.n_fields.times.collect do |i|
+ Column.new(self, i)
+ end
+ end
+
+ def each_column(&block)
+ columns.each(&block)
+ end
+
+ # @overload [](name)
+ # Find a column that has the given name.
+ #
+ # @param name [String, Symbol] The column name to be found.
+ # @return [Column] The found column.
+ #
+ # @overload [](index)
+ # Find the `index`-th column.
+ #
+ # @param index [Integer] The index to be found.
+ # @return [Column] The found column.
+ def find_column(name_or_index)
+ case name_or_index
+ when String, Symbol
+ name = name_or_index.to_s
+ index = schema.get_field_index(name)
+ return nil if index == -1
+ Column.new(self, index)
+ when Integer
+ index = name_or_index
+ index += n_columns if index < 0
+ return nil if index < 0 or index >= n_columns
+ Column.new(self, index)
+ else
+ message = "column name or index must be String, Symbol or Integer: "
+ message << name_or_index.inspect
+ raise ArgumentError, message
+ end
+ end
+
+ # Selects columns that are selected by `selectors` and/or `block`
+ # and creates a new container only with the selected columns.
+ #
+ # @param selectors [Array<String, Symbol, Integer, Range>]
+ # If a selector is `String`, `Symbol` or `Integer`, the selector
+ # selects a column by {#find_column}.
+ #
+ # If a selector is `Range`, the selector selects columns by `::Array#[]`.
+ # @yield [column] Gives a column to the block to select columns.
+ # This uses `::Array#select`.
+ # @yieldparam column [Column] A target column.
+ # @yieldreturn [Boolean] Whether the given column is selected or not.
+ # @return [self.class] The newly created container that only has selected
+ # columns.
+ def select_columns(*selectors, &block)
+ if selectors.empty?
+ return to_enum(__method__) unless block_given?
+ selected_columns = columns.select(&block)
+ else
+ selected_columns = []
+ selectors.each do |selector|
+ case selector
+ when Range
+ selected_columns.concat(columns[selector])
+ else
+ column = find_column(selector)
+ if column.nil?
+ case selector
+ when String, Symbol
+ message = "unknown column: #{selector.inspect}: #{inspect}"
+ raise KeyError.new(message)
+ else
+ message = "out of index (0..#{n_columns - 1}): "
+ message << "#{selector.inspect}: #{inspect}"
+ raise IndexError.new(message)
+ end
+ end
+ selected_columns << column
+ end
+ end
+ selected_columns = selected_columns.select(&block) if block_given?
+ end
+ self.class.new(selected_columns)
+ end
+
+ # @overload [](name)
+ # Find a column that has the given name.
+ #
+ # @param name [String, Symbol] The column name to be found.
+ # @return [Column] The found column.
+ # @see #find_column
+ #
+ # @overload [](index)
+ # Find the `index`-th column.
+ #
+ # @param index [Integer] The index to be found.
+ # @return [Column] The found column.
+ # @see #find_column
+ #
+ # @overload [](range)
+ # Selects columns that are in `range` and creates a new container
+ # only with the selected columns.
+ #
+ # @param range [Range] The range to be selected.
+ # @return [self.class] The newly created container that only has selected
+ # columns.
+ # @see #select_columns
+ #
+ # @overload [](selectors)
+ # Selects columns that are selected by `selectors` and creates a
+ # new container only with the selected columns.
+ #
+ # @param selectors [Array] The selectors that are used to select columns.
+ # @return [self.class] The newly created container that only has selected
+ # columns.
+ # @see #select_columns
+ def [](selector)
+ case selector
+ when ::Array
+ select_columns(*selector)
+ when Range
+ select_columns(selector)
+ else
+ find_column(selector)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/column.rb b/src/arrow/ruby/red-arrow/lib/arrow/column.rb
new file mode 100644
index 000000000..06f3dbdc0
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/column.rb
@@ -0,0 +1,76 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Column
+ include Enumerable
+
+ attr_reader :container
+ attr_reader :field
+ attr_reader :data
+ def initialize(container, index)
+ @container = container
+ @index = index
+ @field = @container.schema[@index]
+ @data = @container.get_column_data(@index)
+ end
+
+ def name
+ @field.name
+ end
+
+ def data_type
+ @field.data_type
+ end
+
+ def null?(i)
+ @data.null?(i)
+ end
+
+ def valid?(i)
+ @data.valid?(i)
+ end
+
+ def [](i)
+ @data[i]
+ end
+
+ def each(&block)
+ @data.each(&block)
+ end
+
+ def reverse_each(&block)
+ @data.reverse_each(&block)
+ end
+
+ def n_rows
+ @data.n_rows
+ end
+ alias_method :size, :n_rows
+ alias_method :length, :n_rows
+
+ def n_nulls
+ @data.n_nulls
+ end
+
+ def ==(other)
+ other.is_a?(self.class) and
+ @field == other.field and
+ @data == other.data
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/compression-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/compression-type.rb
new file mode 100644
index 000000000..b913e48ff
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/compression-type.rb
@@ -0,0 +1,37 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class CompressionType
+ EXTENSIONS = {}
+ values.each do |value|
+ case value
+ when UNCOMPRESSED
+ when GZIP
+ EXTENSIONS["gz"] = value
+ else
+ EXTENSIONS[value.nick] = value
+ end
+ end
+
+ class << self
+ def resolve_extension(extension)
+ EXTENSIONS[extension.to_s]
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/constructor-arguments-gc-guardable.rb b/src/arrow/ruby/red-arrow/lib/arrow/constructor-arguments-gc-guardable.rb
new file mode 100644
index 000000000..16669be93
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/constructor-arguments-gc-guardable.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module ConstructorArgumentsGCGuardable
+ def initialize(*args)
+ super
+ @arguments = args
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/csv-loader.rb b/src/arrow/ruby/red-arrow/lib/arrow/csv-loader.rb
new file mode 100644
index 000000000..f82263e46
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/csv-loader.rb
@@ -0,0 +1,384 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "csv"
+require "pathname"
+require "time"
+
+module Arrow
+ class CSVLoader
+ class << self
+ def load(path_or_data, **options)
+ new(path_or_data, **options).load
+ end
+ end
+
+ def initialize(path_or_data, **options)
+ @path_or_data = path_or_data
+ @options = options
+ if @options.key?(:delimiter)
+ @options[:col_sep] = @options.delete(:delimiter)
+ end
+ @compression = @options.delete(:compression)
+ end
+
+ def load
+ case @path_or_data
+ when Pathname
+ load_from_path(@path_or_data.to_path)
+ when /\A.+\.csv\z/i
+ load_from_path(@path_or_data)
+ else
+ load_data(@path_or_data)
+ end
+ end
+
+ private
+ def open_csv(path, **options)
+ CSV.open(path, **options) do |csv|
+ yield(csv)
+ end
+ end
+
+ def parse_csv_data(data, **options)
+ csv = CSV.new(data, **options)
+ begin
+ yield(csv)
+ ensure
+ csv.close
+ end
+ end
+
+ def read_csv(csv)
+ values_set = []
+ csv.each do |row|
+ if row.is_a?(CSV::Row)
+ row = row.collect(&:last)
+ end
+ row.each_with_index do |value, i|
+ values = (values_set[i] ||= [])
+ values << value
+ end
+ end
+ return nil if values_set.empty?
+
+ arrays = values_set.collect.with_index do |values, i|
+ ArrayBuilder.build(values)
+ end
+ if csv.headers
+ names = csv.headers
+ else
+ names = arrays.size.times.collect(&:to_s)
+ end
+ raw_table = {}
+ names.each_with_index do |name, i|
+ raw_table[name] = arrays[i]
+ end
+ Table.new(raw_table)
+ end
+
+ def reader_options
+ options = CSVReadOptions.new
+ @options.each do |key, value|
+ case key
+ when :headers
+ case value
+ when ::Array
+ options.column_names = value
+ when String
+ return nil
+ else
+ if value
+ options.generate_column_names = false
+ else
+ options.generate_column_names = true
+ end
+ end
+ when :column_types
+ value.each do |name, type|
+ options.add_column_type(name, type)
+ end
+ when :schema
+ options.add_schema(value)
+ when :encoding
+ # process encoding on opening input
+ when :col_sep
+ options.delimiter = value
+ else
+ setter = "#{key}="
+ if options.respond_to?(setter)
+ options.__send__(setter, value)
+ else
+ return nil
+ end
+ end
+ end
+ options
+ end
+
+ def open_decompress_input(raw_input)
+ if @compression
+ codec = Codec.new(@compression)
+ CompressedInputStream.open(codec, raw_input) do |input|
+ yield(input)
+ end
+ else
+ yield(raw_input)
+ end
+ end
+
+ def open_encoding_convert_stream(raw_input, &block)
+ encoding = @options[:encoding]
+ if encoding
+ converter = Gio::CharsetConverter.new("UTF-8", encoding)
+ convert_input_stream =
+ Gio::ConverterInputStream.new(raw_input, converter)
+ GIOInputStream.open(convert_input_stream, &block)
+ else
+ yield(raw_input)
+ end
+ end
+
+ def wrap_input(raw_input)
+ open_decompress_input(raw_input) do |input_|
+ open_encoding_convert_stream(input_) do |input__|
+ yield(input__)
+ end
+ end
+ end
+
+ def load_from_path(path)
+ options = reader_options
+ if options
+ begin
+ MemoryMappedInputStream.open(path) do |raw_input|
+ wrap_input(raw_input) do |input|
+ return CSVReader.new(input, options).read
+ end
+ end
+ rescue Arrow::Error::Invalid, Gio::Error
+ end
+ end
+
+ options = update_csv_parse_options(@options, :open_csv, path)
+ open_csv(path, **options) do |csv|
+ read_csv(csv)
+ end
+ end
+
+ def load_data(data)
+ options = reader_options
+ if options
+ begin
+ BufferInputStream.open(Buffer.new(data)) do |raw_input|
+ wrap_input(raw_input) do |input|
+ return CSVReader.new(input, options).read
+ end
+ end
+ rescue Arrow::Error::Invalid, Gio::Error
+ end
+ end
+
+ options = update_csv_parse_options(@options, :parse_csv_data, data)
+ parse_csv_data(data, **options) do |csv|
+ read_csv(csv)
+ end
+ end
+
+ def selective_converter(target_index)
+ lambda do |field, field_info|
+ if target_index.nil? or field_info.index == target_index
+ yield(field)
+ else
+ field
+ end
+ end
+ end
+
+ BOOLEAN_CONVERTER = lambda do |field|
+ begin
+ encoded_field = field.encode(CSV::ConverterEncoding)
+ rescue EncodingError
+ field
+ else
+ case encoded_field
+ when "true"
+ true
+ when "false"
+ false
+ else
+ field
+ end
+ end
+ end
+
+ ISO8601_CONVERTER = lambda do |field|
+ begin
+ encoded_field = field.encode(CSV::ConverterEncoding)
+ rescue EncodingError
+ field
+ else
+ begin
+ ::Time.iso8601(encoded_field)
+ rescue ArgumentError
+ field
+ end
+ end
+ end
+
+ AVAILABLE_CSV_PARSE_OPTIONS = {}
+ CSV.instance_method(:initialize).parameters.each do |type, name|
+ AVAILABLE_CSV_PARSE_OPTIONS[name] = true if type == :key
+ end
+
+ def update_csv_parse_options(options, create_csv, *args)
+ if options.key?(:converters)
+ new_options = options.dup
+ else
+ converters = [:all, BOOLEAN_CONVERTER, ISO8601_CONVERTER]
+ new_options = options.merge(converters: converters)
+ end
+
+ # TODO: Support :schema and :column_types
+
+ unless AVAILABLE_CSV_PARSE_OPTIONS.empty?
+ new_options.select! do |key, value|
+ AVAILABLE_CSV_PARSE_OPTIONS.key?(key)
+ end
+ end
+
+ unless options.key?(:headers)
+ __send__(create_csv, *args, **new_options) do |csv|
+ new_options[:headers] = have_header?(csv)
+ end
+ end
+ unless options.key?(:converters)
+ __send__(create_csv, *args, **new_options) do |csv|
+ new_options[:converters] = detect_robust_converters(csv)
+ end
+ end
+
+ new_options
+ end
+
+ def have_header?(csv)
+ if @options.key?(:headers)
+ return @options[:headers]
+ end
+
+ row1 = csv.shift
+ return false if row1.nil?
+ return false if row1.any?(&:nil?)
+
+ row2 = csv.shift
+ return nil if row2.nil?
+ return true if row2.any?(&:nil?)
+
+ return false if row1.any? {|value| not value.is_a?(String)}
+
+ if row1.collect(&:class) != row2.collect(&:class)
+ return true
+ end
+
+ nil
+ end
+
+ def detect_robust_converters(csv)
+ column_types = []
+ csv.each do |row|
+ if row.is_a?(CSV::Row)
+ each_value = Enumerator.new do |yielder|
+ row.each do |_name, value|
+ yielder << value
+ end
+ end
+ else
+ each_value = row.each
+ end
+ each_value.with_index do |value, i|
+ current_column_type = column_types[i]
+ next if current_column_type == :string
+
+ candidate_type = nil
+ case value
+ when nil
+ next
+ when "true", "false", true, false
+ candidate_type = :boolean
+ when Integer
+ candidate_type = :integer
+ if current_column_type == :float
+ candidate_type = :float
+ end
+ when Float
+ candidate_type = :float
+ if current_column_type == :integer
+ column_types[i] = candidate_type
+ end
+ when ::Time
+ candidate_type = :time
+ when DateTime
+ candidate_type = :date_time
+ when Date
+ candidate_type = :date
+ when String
+ next if value.empty?
+ candidate_type = :string
+ else
+ candidate_type = :string
+ end
+
+ column_types[i] ||= candidate_type
+ if column_types[i] != candidate_type
+ column_types[i] = :string
+ end
+ end
+ end
+
+ converters = []
+ column_types.each_with_index do |type, i|
+ case type
+ when :boolean
+ converters << selective_converter(i, &BOOLEAN_CONVERTER)
+ when :integer
+ converters << selective_converter(i) do |field|
+ if field.nil? or field.empty?
+ nil
+ else
+ CSV::Converters[:integer].call(field)
+ end
+ end
+ when :float
+ converters << selective_converter(i) do |field|
+ if field.nil? or field.empty?
+ nil
+ else
+ CSV::Converters[:float].call(field)
+ end
+ end
+ when :time
+ converters << selective_converter(i, &ISO8601_CONVERTER)
+ when :date_time
+ converters << selective_converter(i, &CSV::Converters[:date_time])
+ when :date
+ converters << selective_converter(i, &CSV::Converters[:date])
+ end
+ end
+ converters
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/csv-read-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/csv-read-options.rb
new file mode 100644
index 000000000..dec3dec95
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/csv-read-options.rb
@@ -0,0 +1,43 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class CSVReadOptions
+ alias_method :add_column_type_raw, :add_column_type
+ def add_column_type(name, type)
+ add_column_type_raw(name, DataType.resolve(type))
+ end
+
+ alias_method :delimiter_raw, :delimiter
+ def delimiter
+ delimiter_raw.chr
+ end
+
+ alias_method :delimiter_raw=, :delimiter=
+ def delimiter=(delimiter)
+ case delimiter
+ when String
+ if delimiter.bytesize != 1
+ message = "delimiter must be 1 byte character: #{delimiter.inspect}"
+ raise ArgumentError, message
+ end
+ delimiter = delimiter.ord
+ end
+ self.delimiter_raw = delimiter
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/data-type.rb
new file mode 100644
index 000000000..07b452521
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/data-type.rb
@@ -0,0 +1,198 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class DataType
+ class << self
+ # Ensure returning suitable {Arrow::DataType}.
+ #
+ # @overload resolve(data_type)
+ #
+ # Returns the given data type itself. This is convenient to
+ # use this method as {Arrow::DataType} converter.
+ #
+ # @param data_type [Arrow::DataType] The data type.
+ #
+ # @return [Arrow::DataType] The given data type itself.
+ #
+ # @overload resolve(name)
+ #
+ # Creates a suitable data type from the given type name. For
+ # example, you can create {Arrow::BooleanDataType} from
+ # `:boolean`.
+ #
+ # @param name [String, Symbol] The type name of the data type.
+ #
+ # @return [Arrow::DataType] A new suitable data type.
+ #
+ # @example Create a boolean data type
+ # Arrow::DataType.resolve(:boolean)
+ #
+ # @overload resolve(name_with_arguments)
+ #
+ # Creates a new suitable data type from the given type name
+ # with arguments.
+ #
+ # @param name_with_arguments [::Array<String, ...>]
+ # The type name of the data type as the first element.
+ #
+ # The rest elements are additional information of the data type.
+ #
+ # For example, {Arrow::TimestampDataType} needs unit as
+ # additional information.
+ #
+ # @return [Arrow::DataType] A new suitable data type.
+ #
+ # @example Create a boolean data type
+ # Arrow::DataType.resolve([:boolean])
+ #
+ # @example Create a milliseconds unit timestamp data type
+ # Arrow::DataType.resolve([:timestamp, :milli])
+ #
+ # @overload resolve(description)
+ #
+ # Creates a new suitable data type from the given data type
+ # description.
+ #
+ # Data type description is a raw `Hash`. Data type description
+ # must have `:type` value. `:type` is the type of the data type.
+ #
+ # If the type needs additional information, you need to
+ # specify it. See constructor document what information is
+ # needed. For example, {Arrow::ListDataType#initialize} needs
+ # `:field` value.
+ #
+ # @param description [Hash] The description of the data type.
+ #
+ # @option description [String, Symbol] :type The type name of
+ # the data type.
+ #
+ # @return [Arrow::DataType] A new suitable data type.
+ #
+ # @example Create a boolean data type
+ # Arrow::DataType.resolve(type: :boolean)
+ #
+ # @example Create a list data type
+ # Arrow::DataType.resolve(type: :list,
+ # field: {name: "visible", type: :boolean})
+ def resolve(data_type)
+ case data_type
+ when DataType
+ data_type
+ when String, Symbol
+ resolve_class(data_type).new
+ when ::Array
+ type, *arguments = data_type
+ resolve_class(type).new(*arguments)
+ when Hash
+ type = nil
+ description = {}
+ data_type.each do |key, value|
+ key = key.to_sym
+ case key
+ when :type
+ type = value
+ else
+ description[key] = value
+ end
+ end
+ if type.nil?
+ message =
+ "data type description must have :type value: #{data_type.inspect}"
+ raise ArgumentError, message
+ end
+ data_type_class = resolve_class(type)
+ if description.empty?
+ data_type_class.new
+ else
+ data_type_class.new(description)
+ end
+ else
+ message =
+ "data type must be " +
+ "Arrow::DataType, String, Symbol, [String, ...], [Symbol, ...] " +
+ "{type: String, ...} or {type: Symbol, ...}: #{data_type.inspect}"
+ raise ArgumentError, message
+ end
+ end
+
+ def sub_types
+ types = {}
+ gtype.children.each do |child|
+ sub_type = child.to_class
+ types[sub_type] = true
+ sub_type.sub_types.each do |sub_sub_type|
+ types[sub_sub_type] = true
+ end
+ end
+ types.keys
+ end
+
+ def try_convert(value)
+ begin
+ resolve(value)
+ rescue ArgumentError
+ nil
+ end
+ end
+
+ private
+ def resolve_class(data_type)
+ components = data_type.to_s.split("_").collect(&:capitalize)
+ data_type_name = components.join.gsub(/\AUint/, "UInt")
+ data_type_class_name = "#{data_type_name}DataType"
+ unless Arrow.const_defined?(data_type_class_name)
+ available_types = []
+ Arrow.constants.each do |name|
+ name = name.to_s
+ next if name == "DataType"
+ next unless name.end_with?("DataType")
+ name = name.gsub(/DataType\z/, "")
+ components = name.scan(/(UInt[0-9]+|[A-Z][a-z\d]+)/).flatten
+ available_types << components.collect(&:downcase).join("_").to_sym
+ end
+ message =
+ "unknown type: <#{data_type.inspect}>: " +
+ "available types: #{available_types.inspect}"
+ raise ArgumentError, message
+ end
+ data_type_class = Arrow.const_get(data_type_class_name)
+ if data_type_class.gtype.abstract?
+ not_abstract_types = data_type_class.sub_types.find_all do |sub_type|
+ not sub_type.gtype.abstract?
+ end
+ not_abstract_types = not_abstract_types.sort_by do |type|
+ type.name
+ end
+ message =
+ "abstract type: <#{data_type.inspect}>: " +
+ "use one of not abstract type: #{not_abstract_types.inspect}"
+ raise ArgumentError, message
+ end
+ data_type_class
+ end
+ end
+
+ def build_array(values)
+ base_name = self.class.name.gsub(/DataType\z/, "")
+ builder_class = self.class.const_get("#{base_name}ArrayBuilder")
+ args = [values]
+ args.unshift(self) unless builder_class.buildable?(args)
+ builder_class.build(*args)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/date32-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/date32-array-builder.rb
new file mode 100644
index 000000000..dedbba85e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/date32-array-builder.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Date32ArrayBuilder
+ private
+ UNIX_EPOCH = Date.new(1970, 1, 1)
+ def convert_to_arrow_value(value)
+ value = value.to_date if value.respond_to?(:to_date)
+
+ if value.is_a?(Date)
+ (value - UNIX_EPOCH).to_i
+ else
+ value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/date32-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/date32-array.rb
new file mode 100644
index 000000000..121dbcb55
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/date32-array.rb
@@ -0,0 +1,30 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Date32Array
+ def get_value(i)
+ to_date(get_raw_value(i))
+ end
+
+ private
+ UNIX_EPOCH = 2440588
+ def to_date(raw_value)
+ Date.jd(UNIX_EPOCH + raw_value)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/date64-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/date64-array-builder.rb
new file mode 100644
index 000000000..658118122
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/date64-array-builder.rb
@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Date64ArrayBuilder
+ private
+ def convert_to_arrow_value(value)
+ if value.respond_to?(:to_time) and not value.is_a?(::Time)
+ value = value.to_time
+ end
+
+ if value.is_a?(::Time)
+ value.to_i * 1_000 + value.usec / 1_000
+ else
+ value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/date64-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/date64-array.rb
new file mode 100644
index 000000000..9b8a92476
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/date64-array.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Date64Array
+ def get_value(i)
+ to_datetime(get_raw_value(i))
+ end
+
+ private
+ def to_datetime(raw_value)
+ ::Time.at(*raw_value.divmod(1_000)).to_datetime
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/datum.rb b/src/arrow/ruby/red-arrow/lib/arrow/datum.rb
new file mode 100644
index 000000000..196a18f54
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/datum.rb
@@ -0,0 +1,100 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Datum
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Table
+ TableDatum.new(value)
+ when Array
+ ArrayDatum.new(value)
+ when ChunkedArray
+ ChunkedArrayDatum.new(value)
+ when Scalar
+ ScalarDatum.new(value)
+ when ::Array
+ ArrayDatum.new(ArrayBuilder.build(value))
+ when Integer
+ case value
+ when (0..((2 ** 8) - 1))
+ try_convert(UInt8Scalar.new(value))
+ when ((-(2 ** 7))..((2 ** 7) - 1))
+ try_convert(Int8Scalar.new(value))
+ when (0..((2 ** 16) - 1))
+ try_convert(UInt16Scalar.new(value))
+ when ((-(2 ** 15))..((2 ** 15) - 1))
+ try_convert(Int16Scalar.new(value))
+ when (0..((2 ** 32) - 1))
+ try_convert(UInt32Scalar.new(value))
+ when ((-(2 ** 31))..((2 ** 31) - 1))
+ try_convert(Int32Scalar.new(value))
+ when (0..((2 ** 64) - 1))
+ try_convert(UInt64Scalar.new(value))
+ when ((-(2 ** 63))..((2 ** 63) - 1))
+ try_convert(Int64Scalar.new(value))
+ else
+ nil
+ end
+ when Float
+ try_convert(DoubleScalar.new(value))
+ when true, false
+ try_convert(BooleanScalar.new(value))
+ when String
+ if value.ascii_only? or value.encoding == Encoding::UTF_8
+ if value.bytesize <= ((2 ** 31) - 1)
+ try_convert(StringScalar.new(value))
+ else
+ try_convert(LargeStringScalar.new(value))
+ end
+ else
+ if value.bytesize <= ((2 ** 31) - 1)
+ try_convert(BinaryScalar.new(value))
+ else
+ try_convert(LargeBinaryScalar.new(value))
+ end
+ end
+ when Date
+ date32_value = (value - Date32ArrayBuilder::UNIX_EPOCH).to_i
+ try_convert(Date32Scalar.new(date32_value))
+ when Time
+ case value.unit
+ when TimeUnit::SECOND, TimeUnit::MILLI
+ data_type = Time32DataType.new(value.unit)
+ scalar_class = Time32Scalar
+ else
+ data_type = Time64DataType.new(value.unit)
+ scalar_class = Time64Scalar
+ end
+ try_convert(scalar_class.new(data_type, value.value))
+ when ::Time
+ data_type = TimestampDataType.new(:nano)
+ timestamp_value = value.to_i * 1_000_000_000 + value.nsec
+ try_convert(TimestampScalar.new(data_type, timestamp_value))
+ when Decimal128
+ data_type = TimestampDataType.new(:nano)
+ timestamp_value = value.to_i * 1_000_000_000 + value.nsec
+ try_convert(Decimal128Scalar.new(data_type, timestamp_value))
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array-builder.rb
new file mode 100644
index 000000000..d380ce070
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array-builder.rb
@@ -0,0 +1,58 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal128ArrayBuilder
+ class << self
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :append_value_raw, :append_value
+ def append_value(value)
+ append_value_raw(normalize_value(value))
+ end
+
+ alias_method :append_values_raw, :append_values
+ def append_values(values, is_valids=nil)
+ if values.is_a?(::Array)
+ values = values.collect do |value|
+ normalize_value(value)
+ end
+ append_values_raw(values, is_valids)
+ else
+ append_values_packed(values, is_valids)
+ end
+ end
+
+ private
+ def normalize_value(value)
+ case value
+ when String
+ Decimal128.new(value)
+ when Float
+ Decimal128.new(value.to_s)
+ when BigDecimal
+ Decimal128.new(value.to_s)
+ else
+ value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array.rb
new file mode 100644
index 000000000..a5ee53be7
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-array.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal128Array
+ def get_value(i)
+ BigDecimal(format_value(i))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal128-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-data-type.rb
new file mode 100644
index 000000000..4b5583896
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal128-data-type.rb
@@ -0,0 +1,71 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal128DataType
+ MAX_PRECISION = max_precision
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Decimal128DataType}.
+ #
+ # @overload initialize(precision, scale)
+ #
+ # @param precision [Integer] The precision of the decimal data
+ # type. It's the number of digits including the number of
+ # digits after the decimal point.
+ #
+ # @param scale [Integer] The scale of the decimal data
+ # type. It's the number of digits after the decimal point.
+ #
+ # @example Create a decimal data type for "XXXXXX.YY" decimal
+ # Arrow::Decimal128DataType.new(8, 2)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the decimal data
+ # type. It must have `:precision` and `:scale` values.
+ #
+ # @option description [Integer] :precision The precision of the
+ # decimal data type. It's the number of digits including the
+ # number of digits after the decimal point.
+ #
+ # @option description [Integer] :scale The scale of the decimal
+ # data type. It's the number of digits after the decimal
+ # point.
+ #
+ # @example Create a decimal data type for "XXXXXX.YY" decimal
+ # Arrow::Decimal128DataType.new(precision: 8,
+ # scale: 2)
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ precision = description[:precision]
+ scale = description[:scale]
+ when 2
+ precision, scale = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ initialize_raw(precision, scale)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal128.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal128.rb
new file mode 100644
index 000000000..bf853ae7f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal128.rb
@@ -0,0 +1,60 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal128
+ alias_method :to_s_raw, :to_s
+
+ # @overload to_s
+ #
+ # @return [String]
+ # The string representation of the decimal.
+ #
+ # @overload to_s(scale)
+ #
+ # @param scale [Integer] The scale of the decimal.
+ # @return [String]
+ # The string representation of the decimal including the scale.
+ #
+ # @since 0.13.0
+ def to_s(scale=nil)
+ if scale
+ to_string_scale(scale)
+ else
+ to_s_raw
+ end
+ end
+
+ alias_method :abs!, :abs
+
+ # @since 3.0.0
+ def abs
+ copied = dup
+ copied.abs!
+ copied
+ end
+
+ alias_method :negate!, :negate
+
+ # @since 3.0.0
+ def negate
+ copied = dup
+ copied.negate!
+ copied
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array-builder.rb
new file mode 100644
index 000000000..fb89ff00b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array-builder.rb
@@ -0,0 +1,61 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal256ArrayBuilder
+ class << self
+ # @since 3.0.0
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :append_value_raw, :append_value
+ # @since 3.0.0
+ def append_value(value)
+ append_value_raw(normalize_value(value))
+ end
+
+ alias_method :append_values_raw, :append_values
+ # @since 3.0.0
+ def append_values(values, is_valids=nil)
+ if values.is_a?(::Array)
+ values = values.collect do |value|
+ normalize_value(value)
+ end
+ append_values_raw(values, is_valids)
+ else
+ append_values_packed(values, is_valids)
+ end
+ end
+
+ private
+ def normalize_value(value)
+ case value
+ when String
+ Decimal256.new(value)
+ when Float
+ Decimal256.new(value.to_s)
+ when BigDecimal
+ Decimal256.new(value.to_s)
+ else
+ value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array.rb
new file mode 100644
index 000000000..8c2306dfe
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-array.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal256Array
+ # @since 3.0.0
+ def get_value(i)
+ BigDecimal(format_value(i))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal256-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-data-type.rb
new file mode 100644
index 000000000..8264e388e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal256-data-type.rb
@@ -0,0 +1,73 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal256DataType
+ MAX_PRECISION = max_precision
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Decimal256DataType}.
+ #
+ # @overload initialize(precision, scale)
+ #
+ # @param precision [Integer] The precision of the decimal data
+ # type. It's the number of digits including the number of
+ # digits after the decimal point.
+ #
+ # @param scale [Integer] The scale of the decimal data
+ # type. It's the number of digits after the decimal point.
+ #
+ # @example Create a decimal data type for "XXXXXX.YY" decimal
+ # Arrow::Decimal256DataType.new(8, 2)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the decimal data
+ # type. It must have `:precision` and `:scale` values.
+ #
+ # @option description [Integer] :precision The precision of the
+ # decimal data type. It's the number of digits including the
+ # number of digits after the decimal point.
+ #
+ # @option description [Integer] :scale The scale of the decimal
+ # data type. It's the number of digits after the decimal
+ # point.
+ #
+ # @example Create a decimal data type for "XXXXXX.YY" decimal
+ # Arrow::Decimal256DataType.new(precision: 8,
+ # scale: 2)
+ #
+ # @since 3.0.0
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ precision = description[:precision]
+ scale = description[:scale]
+ when 2
+ precision, scale = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ initialize_raw(precision, scale)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/decimal256.rb b/src/arrow/ruby/red-arrow/lib/arrow/decimal256.rb
new file mode 100644
index 000000000..1a7097a4d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/decimal256.rb
@@ -0,0 +1,60 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Decimal256
+ alias_method :to_s_raw, :to_s
+
+ # @overload to_s
+ #
+ # @return [String]
+ # The string representation of the decimal.
+ #
+ # @overload to_s(scale)
+ #
+ # @param scale [Integer] The scale of the decimal.
+ # @return [String]
+ # The string representation of the decimal including the scale.
+ #
+ # @since 3.0.0
+ def to_s(scale=nil)
+ if scale
+ to_string_scale(scale)
+ else
+ to_s_raw
+ end
+ end
+
+ alias_method :abs!, :abs
+
+ # @since 3.0.0
+ def abs
+ copied = dup
+ copied.abs!
+ copied
+ end
+
+ alias_method :negate!, :negate
+
+ # @since 3.0.0
+ def negate
+ copied = dup
+ copied.negate!
+ copied
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/dense-union-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/dense-union-data-type.rb
new file mode 100644
index 000000000..6d2bf5e70
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/dense-union-data-type.rb
@@ -0,0 +1,90 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class DenseUnionDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::DenseUnionDataType}.
+ #
+ # @overload initialize(fields, type_codes)
+ #
+ # @param fields [::Array<Arrow::Field, Hash>] The fields of the
+ # dense union data type. You can mix {Arrow::Field} and field
+ # description in the fields.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @param type_codes [::Array<Integer>] The IDs that indicates
+ # corresponding fields.
+ #
+ # @example Create a dense union data type for `{2: visible, 9: count}`
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {
+ # name: "count",
+ # type: :int32,
+ # },
+ # ]
+ # Arrow::DenseUnionDataType.new(fields, [2, 9])
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the dense union
+ # data type. It must have `:fields` and `:type_codes` values.
+ #
+ # @option description [::Array<Arrow::Field, Hash>] :fields The
+ # fields of the dense union data type. You can mix
+ # {Arrow::Field} and field description in the fields.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @option description [::Array<Integer>] :type_codes The IDs
+ # that indicates corresponding fields.
+ #
+ # @example Create a dense union data type for `{2: visible, 9: count}`
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {
+ # name: "count",
+ # type: :int32,
+ # },
+ # ]
+ # Arrow::DenseUnionDataType.new(fields: fields,
+ # type_codes: [2, 9])
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ fields = description[:fields]
+ type_codes = description[:type_codes]
+ when 2
+ fields, type_codes = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ fields = fields.collect do |field|
+ field = Field.new(field) unless field.is_a?(Field)
+ field
+ end
+ initialize_raw(fields, type_codes)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/dictionary-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/dictionary-array.rb
new file mode 100644
index 000000000..70591ab7c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/dictionary-array.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class DictionaryArray
+ def get_value(i)
+ dictionary[indices[i]]
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/dictionary-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/dictionary-data-type.rb
new file mode 100644
index 000000000..8396e311c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/dictionary-data-type.rb
@@ -0,0 +1,117 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class DictionaryDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::DictionaryDataType}.
+ #
+ # @overload initialize(index_data_type, value_data_type, ordered)
+ #
+ # @param index_data_type [Arrow::DataType, Hash, String, Symbol]
+ # The index data type of the dictionary data type. It must be
+ # signed integer data types. Here are available signed integer
+ # data types:
+ #
+ # * Arrow::Int8DataType
+ # * Arrow::Int16DataType
+ # * Arrow::Int32DataType
+ # * Arrow::Int64DataType
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @param value_data_type [Arrow::DataType, Hash, String, Symbol]
+ # The value data type of the dictionary data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @param ordered [Boolean] Whether dictionary contents are
+ # ordered or not.
+ #
+ # @example Create a dictionary data type for `{0: "Hello", 1: "World"}`
+ # index_data_type = :int8
+ # value_data_type = :string
+ # ordered = true
+ # Arrow::DictionaryDataType.new(index_data_type,
+ # value_data_type,
+ # ordered)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the dictionary
+ # data type. It must have `:index_data_type`, `:dictionary`
+ # and `:ordered` values.
+ #
+ # @option description [Arrow::DataType, Hash, String, Symbol]
+ # :index_data_type The index data type of the dictionary data
+ # type. It must be signed integer data types. Here are
+ # available signed integer data types:
+ #
+ # * Arrow::Int8DataType
+ # * Arrow::Int16DataType
+ # * Arrow::Int32DataType
+ # * Arrow::Int64DataType
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @option description [Arrow::DataType, Hash, String, Symbol]
+ # :value_data_type
+ # The value data type of the dictionary data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @option description [Boolean] :ordered Whether dictionary
+ # contents are ordered or not.
+ #
+ # @example Create a dictionary data type for `{0: "Hello", 1: "World"}`
+ # Arrow::DictionaryDataType.new(index_data_type: :int8,
+ # value_data_type: :string,
+ # ordered: true)
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ index_data_type = description[:index_data_type]
+ value_data_type = description[:value_data_type]
+ ordered = description[:ordered]
+ when 3
+ index_data_type, value_data_type, ordered = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1 or 3)"
+ raise ArgumentError, message
+ end
+ index_data_type = DataType.resolve(index_data_type)
+ value_data_type = DataType.resolve(value_data_type)
+ initialize_raw(index_data_type, value_data_type, ordered)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/equal-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/equal-options.rb
new file mode 100644
index 000000000..4eb9964ad
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/equal-options.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class EqualOptions
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Hash
+ options = new
+ value.each do |k, v|
+ setter = :"#{k}="
+ return unless options.respond_to?(setter)
+ options.__send__(setter, v)
+ end
+ options
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/expression.rb b/src/arrow/ruby/red-arrow/lib/arrow/expression.rb
new file mode 100644
index 000000000..a33cc53c2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/expression.rb
@@ -0,0 +1,48 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Expression
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Symbol
+ FieldExpression.new(value.to_s)
+ when ::Array
+ function_name, *arguments = value
+ case function_name
+ when String, Symbol
+ function_name = function_name.to_s
+ else
+ return nil
+ end
+ if arguments.last.is_a?(FunctionOptions)
+ options = arguments.pop
+ else
+ options = nil
+ end
+ CallExpression.new(function_name, arguments, options)
+ else
+ datum = Datum.try_convert(value)
+ return nil if datum.nil?
+ LiteralExpression.new(datum)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/field-containable.rb b/src/arrow/ruby/red-arrow/lib/arrow/field-containable.rb
new file mode 100644
index 000000000..e4dbf4ec2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/field-containable.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module FieldContainable
+ def find_field(name_or_index)
+ case name_or_index
+ when String, Symbol
+ name = name_or_index
+ get_field_by_name(name)
+ when Integer
+ index = name_or_index
+ raise if index < 0
+ index += n_fields if index < 0
+ return nil if index < 0 or index >= n_fields
+ get_field(index)
+ else
+ message = "field name or index must be String, Symbol or Integer"
+ message << ": <#{name_or_index.inspect}>"
+ raise ArgumentError, message
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/field.rb b/src/arrow/ruby/red-arrow/lib/arrow/field.rb
new file mode 100644
index 000000000..e439cb960
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/field.rb
@@ -0,0 +1,118 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Field
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Field}.
+ #
+ # @overload initialize(name, data_type)
+ #
+ # @param name [String, Symbol] The name of the field.
+ #
+ # @param data_type [Arrow::DataType, Hash, String, Symbol] The
+ # data type of the field.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @example Create a field with {Arrow::DataType}s
+ # Arrow::Field.new("visible", Arrow::BooleanDataType.new)
+ #
+ # @example Create a field with data type description
+ # Arrow::Field.new("visible", :boolean)
+ #
+ # @example Create a field with name as `Symbol`
+ # Arrow::Field.new(:visible, :boolean)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the field.
+ #
+ # Field description is a raw `Hash`. Field description must
+ # have `:name` and `:data_type` values. `:name` is the name of
+ # the field. `:data_type` is the data type of the field. You
+ # can use {Arrow::DataType} or data type description as
+ # `:data_type` value.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # There is a shortcut for convenience. If field description
+ # doesn't have `:data_type`, all keys except `:name` are
+ # processes as data type description. For example, the
+ # following field descriptions are the same:
+ #
+ # ```ruby
+ # {name: "visible", data_type: {type: :boolean}}
+ # {name: "visible", type: :boolean} # Shortcut version
+ # ```
+ #
+ # @option description [String, Symbol] :name The name of the field.
+ #
+ # @option description [Arrow::DataType, Hash] :data_type The
+ # data type of the field. You can specify data type description
+ # by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @example Create a field with {Arrow::DataType}s
+ # Arrow::Field.new(name: "visible",
+ # data_type: Arrow::BooleanDataType.new)
+ #
+ # @example Create a field with data type description
+ # Arrow::Field.new(name: "visible", data_type: {type: :boolean}
+ #
+ # @example Create a field with shortcut form
+ # Arrow::Field.new(name: "visible", type: :boolean)
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ name = nil
+ data_type = nil
+ data_type_description = {}
+ description.each do |key, value|
+ key = key.to_sym
+ case key
+ when :name
+ name = value
+ when :data_type
+ data_type = DataType.resolve(value)
+ else
+ data_type_description[key] = value
+ end
+ end
+ data_type ||= DataType.resolve(data_type_description)
+ when 2
+ name = args[0]
+ data_type = DataType.resolve(args[1])
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+
+ initialize_raw(name, data_type)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/file-output-stream.rb b/src/arrow/ruby/red-arrow/lib/arrow/file-output-stream.rb
new file mode 100644
index 000000000..f39ad14ca
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/file-output-stream.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class FileOutputStream
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+ def initialize(path, options={})
+ append = nil
+ case options
+ when true, false
+ append = options
+ when Hash
+ append = options[:append]
+ end
+ append = false if append.nil?
+ initialize_raw(path, append)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/file-system.rb b/src/arrow/ruby/red-arrow/lib/arrow/file-system.rb
new file mode 100644
index 000000000..7d105b42a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/file-system.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class FileSystem
+ alias_method :open_output_stream_raw, :open_output_stream
+ def open_output_stream(path)
+ stream = open_output_stream_raw(path)
+ if block_given?
+ begin
+ yield(stream)
+ ensure
+ stream.close
+ end
+ else
+ stream
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array-builder.rb
new file mode 100644
index 000000000..516d8143d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array-builder.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class FixedSizeBinaryArrayBuilder
+ class << self
+ # @since 3.0.0
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :append_values_raw, :append_values
+ # @since 3.0.0
+ def append_values(values, is_valids=nil)
+ if values.is_a?(::Array)
+ append_values_raw(values, is_valids)
+ else
+ append_values_packed(values, is_valids)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array.rb
new file mode 100644
index 000000000..37c121d8e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/fixed-size-binary-array.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class FixedSizeBinaryArray
+ alias_method :get_value_raw, :get_value
+ # @since 3.0.0
+ def get_value(i)
+ get_value_raw(i).to_s
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/generic-filterable.rb b/src/arrow/ruby/red-arrow/lib/arrow/generic-filterable.rb
new file mode 100644
index 000000000..50a79142a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/generic-filterable.rb
@@ -0,0 +1,43 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module GenericFilterable
+ class << self
+ def included(base)
+ base.__send__(:alias_method, :filter_raw, :filter)
+ base.__send__(:alias_method, :filter, :filter_generic)
+ end
+ end
+
+ def filter_generic(filter, options=nil)
+ case filter
+ when ::Array
+ filter_raw(BooleanArray.new(filter), options)
+ when ChunkedArray
+ if respond_to?(:filter_chunked_array)
+ filter_chunked_array(filter, options)
+ else
+ # TODO: Implement this in C++
+ filter_raw(filter.pack, options)
+ end
+ else
+ filter_raw(filter, options)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/generic-takeable.rb b/src/arrow/ruby/red-arrow/lib/arrow/generic-takeable.rb
new file mode 100644
index 000000000..f32b43f22
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/generic-takeable.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module GenericTakeable
+ class << self
+ def included(base)
+ base.__send__(:alias_method, :take_raw, :take)
+ base.__send__(:alias_method, :take, :take_generic)
+ end
+ end
+
+ def take_generic(indices)
+ case indices
+ when ::Array
+ take_raw(IntArrayBuilder.build(indices))
+ when ChunkedArray
+ take_chunked_array(indices)
+ else
+ take_raw(indices)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/group.rb b/src/arrow/ruby/red-arrow/lib/arrow/group.rb
new file mode 100644
index 000000000..7827ac0bd
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/group.rb
@@ -0,0 +1,164 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Group
+ def initialize(table, keys)
+ @table = table
+ @keys = keys
+ end
+
+ def count(*target_names)
+ aggregate(*build_aggregations("hash_count", target_names))
+ end
+
+ def sum(*target_names)
+ aggregate(*build_aggregations("hash_sum", target_names))
+ end
+
+ def product(*target_names)
+ aggregate(*build_aggregations("hash_product", target_names))
+ end
+
+ def mean(*target_names)
+ aggregate(*build_aggregations("hash_mean", target_names))
+ end
+
+ def min(*target_names)
+ aggregate(*build_aggregations("hash_min", target_names))
+ end
+
+ def max(*target_names)
+ aggregate(*build_aggregations("hash_max", target_names))
+ end
+
+ def stddev(*target_names)
+ aggregate(*build_aggregations("hash_stddev", target_names))
+ end
+
+ def variance(*target_names)
+ aggregate(*build_aggregations("hash_variance", target_names))
+ end
+
+ def aggregate(aggregation, *more_aggregations)
+ aggregations = [aggregation] + more_aggregations
+ normalized_aggregations = normalize_aggregations(aggregations)
+ plan = ExecutePlan.new
+ source_node = plan.build_source_node(@table)
+ aggregate_node =
+ plan.build_aggregate_node(source_node,
+ {
+ aggregations: normalized_aggregations,
+ keys: @keys
+ })
+ sink_node_options = SinkNodeOptions.new
+ plan.build_sink_node(aggregate_node, sink_node_options)
+ plan.validate
+ plan.start
+ plan.wait
+ reader = sink_node_options.get_reader(aggregate_node.output_schema)
+ reader.read_all
+ end
+
+ private
+ def build_aggregations(function_name, target_names)
+ if target_names.empty?
+ [function_name]
+ else
+ target_names.collect do |name|
+ "#{function_name}(#{name})"
+ end
+ end
+ end
+
+ def normalize_aggregations(aggregations)
+ normalized_aggregations = []
+ aggregations.each do |aggregation|
+ case aggregation
+ when :all
+ all_functions = [
+ "hash_count",
+ "hash_sum",
+ "hash_product",
+ "hash_mean",
+ "hash_stddev",
+ "hash_variance",
+ # "hash_tdigest",
+ "hash_min",
+ "hash_max",
+ "hash_any",
+ "hash_all",
+ ]
+ normalized_aggregations.concat(normalize_aggregations(all_functions))
+ when /\A([a-zA-Z0-9_].+?)\((.+?)\)\z/
+ function = $1
+ input = $2.strip
+ normalized_aggregations << {function: function, input: input}
+ when "count", "hash_count"
+ function = aggregation
+ target_columns.each do |column|
+ normalized_aggregations << {function: function, input: column.name}
+ end
+ when "any", "hash_any", "all", "hash_all"
+ function = aggregation
+ boolean_target_columns.each do |column|
+ normalized_aggregations << {function: function, input: column.name}
+ end
+ when String
+ function = aggregation
+ numeric_target_columns.each do |column|
+ normalized_aggregations << {function: function, input: column.name}
+ end
+ else
+ normalized_aggregations << aggregation
+ end
+ end
+ normalized_aggregations
+ end
+
+ def target_columns
+ @target_columns ||= find_target_columns
+ end
+
+ def find_target_columns
+ key_names = @keys.collect(&:to_s)
+ @table.columns.find_all do |column|
+ not key_names.include?(column.name)
+ end
+ end
+
+ def boolean_target_columns
+ @boolean_target_columns ||= find_boolean_target_columns
+ end
+
+ def find_boolean_target_columns
+ target_columns.find_all do |column|
+ column.data_type.is_a?(BooleanDataType)
+ end
+ end
+
+ def numeric_target_columns
+ @numeric_target_columns ||= find_numeric_target_columns
+ end
+
+ def find_numeric_target_columns
+ target_columns.find_all do |column|
+ column.data_type.is_a?(NumericDataType)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/list-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/list-array-builder.rb
new file mode 100644
index 000000000..d889c8a0c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/list-array-builder.rb
@@ -0,0 +1,96 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class ListArrayBuilder
+ class << self
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :append_value_raw, :append_value
+
+ # @overload append_value
+ #
+ # Starts appending a list record. You also need to append list
+ # value by {#value_builder}.
+ #
+ # @overload append_value(list)
+ #
+ # Appends a list record including list value.
+ #
+ # @param value [nil, ::Array] The list value of the record.
+ #
+ # If this is `nil`, the list record is null.
+ #
+ # If this is `Array`, it's the list value of the record.
+ #
+ # @since 0.12.0
+ def append_value(*args)
+ n_args = args.size
+
+ case n_args
+ when 0
+ append_value_raw
+ when 1
+ value = args[0]
+ case value
+ when nil
+ append_null
+ when ::Array
+ append_value_raw
+ @value_builder ||= value_builder
+ @value_builder.append(*value)
+ else
+ message = "list value must be nil or Array: #{value.inspect}"
+ raise ArgumentError, message
+ end
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 0..1)"
+ raise ArgumentError, message
+ end
+ end
+
+ def append_values(lists, is_valids=nil)
+ if is_valids
+ is_valids.each_with_index do |is_valid, i|
+ if is_valid
+ append_value(lists[i])
+ else
+ append_null
+ end
+ end
+ else
+ lists.each do |list|
+ append_value(list)
+ end
+ end
+ end
+
+ # @since 0.12.0
+ def append(*values)
+ if values.empty?
+ # For backward compatibility
+ append_value
+ else
+ super
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/list-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/list-data-type.rb
new file mode 100644
index 000000000..cfcdd2a9e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/list-data-type.rb
@@ -0,0 +1,118 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class ListDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::ListDataType}.
+ #
+ # @overload initialize(field)
+ #
+ # @param field [Arrow::Field, Hash] The field of the list data
+ # type. You can also specify field description by `Hash`.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @example Create a list data type with {Arrow::Field}
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # Arrow::ListDataType.new(visible_field)
+ #
+ # @example Create a list data type with field description
+ # Arrow::ListDataType.new(name: "visible", type: :boolean)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the list data
+ # type. It must have `:field` value.
+ #
+ # @option description [Arrow::Field, Hash] :field The field of
+ # the list data type. You can also specify field description
+ # by `Hash`.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @example Create a list data type with {Arrow::Field}
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # Arrow::ListDataType.new(field: visible_field)
+ #
+ # @example Create a list data type with field description
+ # Arrow::ListDataType.new(field: {name: "visible", type: :boolean})
+ #
+ # @overload initialize(data_type)
+ #
+ # @param data_type [Arrow::DataType, String, Symbol,
+ # ::Array<String>, ::Array<Symbol>, Hash] The element data
+ # type of the list data type. A field is created with the
+ # default name `"item"` from the data type automatically.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type.
+ #
+ # @example Create a list data type with {Arrow::DataType}
+ # Arrow::ListDataType.new(Arrow::BooleanDataType.new)
+ #
+ # @example Create a list data type with data type name as String
+ # Arrow::ListDataType.new("boolean")
+ #
+ # @example Create a list data type with data type name as Symbol
+ # Arrow::ListDataType.new(:boolean)
+ #
+ # @example Create a list data type with data type as Array
+ # Arrow::ListDataType.new([:time32, :milli])
+ def initialize(arg)
+ data_type = resolve_data_type(arg)
+ if data_type
+ field = Field.new(default_field_name, data_type)
+ else
+ field = resolve_field(arg)
+ end
+ initialize_raw(field)
+ end
+
+ private
+ def resolve_data_type(arg)
+ case arg
+ when DataType, String, Symbol, ::Array
+ DataType.resolve(arg)
+ when Hash
+ return nil if arg[:name]
+ return nil unless arg[:type]
+ DataType.resolve(arg)
+ else
+ nil
+ end
+ end
+
+ def default_field_name
+ "item"
+ end
+
+ def resolve_field(arg)
+ if arg.is_a?(Hash) and arg.key?(:field)
+ description = arg
+ arg = description[:field]
+ end
+ if arg.is_a?(Hash)
+ field_description = arg
+ Field.new(field_description)
+ else
+ arg
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/loader.rb b/src/arrow/ruby/red-arrow/lib/arrow/loader.rb
new file mode 100644
index 000000000..804a94894
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/loader.rb
@@ -0,0 +1,216 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow/block-closable"
+
+module Arrow
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("Arrow", Arrow)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ require_extension_library
+ gc_guard
+ end
+
+ def require_libraries
+ require "arrow/column-containable"
+ require "arrow/field-containable"
+ require "arrow/generic-filterable"
+ require "arrow/generic-takeable"
+ require "arrow/record-containable"
+ require "arrow/symbol-values-appendable"
+
+ require "arrow/aggregate-node-options"
+ require "arrow/aggregation"
+ require "arrow/array"
+ require "arrow/array-builder"
+ require "arrow/bigdecimal-extension"
+ require "arrow/binary-dictionary-array-builder"
+ require "arrow/buffer"
+ require "arrow/chunked-array"
+ require "arrow/column"
+ require "arrow/compression-type"
+ require "arrow/csv-loader"
+ require "arrow/csv-read-options"
+ require "arrow/data-type"
+ require "arrow/date32-array"
+ require "arrow/date32-array-builder"
+ require "arrow/date64-array"
+ require "arrow/date64-array-builder"
+ require "arrow/datum"
+ require "arrow/decimal128"
+ require "arrow/decimal128-array"
+ require "arrow/decimal128-array-builder"
+ require "arrow/decimal128-data-type"
+ require "arrow/decimal256"
+ require "arrow/decimal256-array"
+ require "arrow/decimal256-array-builder"
+ require "arrow/decimal256-data-type"
+ require "arrow/dense-union-data-type"
+ require "arrow/dictionary-array"
+ require "arrow/dictionary-data-type"
+ require "arrow/equal-options"
+ require "arrow/expression"
+ require "arrow/field"
+ require "arrow/file-output-stream"
+ require "arrow/file-system"
+ require "arrow/fixed-size-binary-array"
+ require "arrow/fixed-size-binary-array-builder"
+ require "arrow/group"
+ require "arrow/list-array-builder"
+ require "arrow/list-data-type"
+ require "arrow/map-array"
+ require "arrow/map-array-builder"
+ require "arrow/map-data-type"
+ require "arrow/null-array"
+ require "arrow/null-array-builder"
+ require "arrow/path-extension"
+ require "arrow/record"
+ require "arrow/record-batch"
+ require "arrow/record-batch-builder"
+ require "arrow/record-batch-file-reader"
+ require "arrow/record-batch-iterator"
+ require "arrow/record-batch-reader"
+ require "arrow/record-batch-stream-reader"
+ require "arrow/rolling-window"
+ require "arrow/scalar"
+ require "arrow/schema"
+ require "arrow/slicer"
+ require "arrow/sort-key"
+ require "arrow/sort-options"
+ require "arrow/source-node-options"
+ require "arrow/sparse-union-data-type"
+ require "arrow/string-dictionary-array-builder"
+ require "arrow/struct-array"
+ require "arrow/struct-array-builder"
+ require "arrow/struct-data-type"
+ require "arrow/table"
+ require "arrow/table-concatenate-options"
+ require "arrow/table-formatter"
+ require "arrow/table-list-formatter"
+ require "arrow/table-table-formatter"
+ require "arrow/table-loader"
+ require "arrow/table-saver"
+ require "arrow/tensor"
+ require "arrow/time"
+ require "arrow/time32-array"
+ require "arrow/time32-array-builder"
+ require "arrow/time32-data-type"
+ require "arrow/time64-array"
+ require "arrow/time64-array-builder"
+ require "arrow/time64-data-type"
+ require "arrow/timestamp-array"
+ require "arrow/timestamp-array-builder"
+ require "arrow/timestamp-data-type"
+ require "arrow/writable"
+ end
+
+ def require_extension_library
+ require "arrow.so"
+ end
+
+ def gc_guard
+ require "arrow/constructor-arguments-gc-guardable"
+
+ [
+ @base_module::BinaryScalar,
+ @base_module::Buffer,
+ @base_module::DenseUnionScalar,
+ @base_module::FixedSizeBinaryScalar,
+ @base_module::LargeBinaryScalar,
+ @base_module::LargeListScalar,
+ @base_module::LargeStringScalar,
+ @base_module::ListScalar,
+ @base_module::MapScalar,
+ @base_module::SparseUnionScalar,
+ @base_module::StringScalar,
+ @base_module::StructScalar,
+ ].each do |klass|
+ klass.prepend(ConstructorArgumentsGCGuardable)
+ end
+ end
+
+ def load_object_info(info)
+ super
+
+ klass = @base_module.const_get(rubyish_class_name(info))
+ if klass.method_defined?(:close)
+ klass.extend(BlockClosable)
+ end
+ end
+
+ def load_method_info(info, klass, method_name)
+ case klass.name
+ when /Array\z/
+ case method_name
+ when "values"
+ method_name = "values_raw"
+ end
+ end
+
+ case klass.name
+ when /Builder\z/
+ case method_name
+ when "append"
+ return
+ else
+ super
+ end
+ when "Arrow::StringArray"
+ case method_name
+ when "get_value"
+ method_name = "get_raw_value"
+ when "get_string"
+ method_name = "get_value"
+ end
+ super(info, klass, method_name)
+ when "Arrow::Date32Array",
+ "Arrow::Date64Array",
+ "Arrow::Decimal128Array",
+ "Arrow::Decimal256Array",
+ "Arrow::Time32Array",
+ "Arrow::Time64Array",
+ "Arrow::TimestampArray"
+ case method_name
+ when "get_value"
+ method_name = "get_raw_value"
+ end
+ super(info, klass, method_name)
+ when "Arrow::Decimal128", "Arrow::Decimal256"
+ case method_name
+ when "copy"
+ method_name = "dup"
+ end
+ super(info, klass, method_name)
+ when "Arrow::BooleanScalar"
+ case method_name
+ when "value?"
+ method_name = "value"
+ end
+ super(info, klass, method_name)
+ else
+ super
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/map-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/map-array-builder.rb
new file mode 100644
index 000000000..9e269d1c5
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/map-array-builder.rb
@@ -0,0 +1,109 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class MapArrayBuilder
+ class << self
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :append_value_raw, :append_value
+
+ # @overload append_value
+ #
+ # Starts appending a map record. You need to append
+ # values of map by {#key_builder} and {#item_builder}.
+ #
+ # @overload append_value(value)
+ #
+ # Appends a map record including key and item values.
+ #
+ # @param value [nil, #each] The map record.
+ #
+ # If this is `nil`, the map record is null.
+ #
+ # If this is an `Object` that has `#each`, each value is a pair of key and item.
+ #
+ # @since 6.0.0
+ def append_value(*args)
+ n_args = args.size
+
+ case n_args
+ when 0
+ append_value_raw
+ when 1
+ value = args[0]
+ case value
+ when nil
+ append_null
+ else
+ unless value.respond_to?(:each)
+ message = "map value must be nil, Hash or Object that has #each: #{value.inspect}"
+ raise ArgumentError, message
+ end
+ append_value_raw
+ @key_builder ||= key_builder
+ @item_builder ||= item_builder
+ case value
+ when Hash
+ keys = value.keys
+ values = value.values
+ else
+ keys = []
+ values = []
+ value.each do |key, item|
+ keys << key
+ values << item
+ end
+ end
+ @key_builder.append(*keys)
+ @item_builder.append(*values)
+ end
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 0..1)"
+ raise ArgumentError, message
+ end
+ end
+
+ alias_method :append_values_raw, :append_values
+
+ def append_values(values, is_valids=nil)
+ value = values[0]
+ case value
+ when Integer
+ append_values_raw(values, is_valids)
+ else
+ if is_valids
+ is_valids.each_with_index do |is_valid, i|
+ if is_valid
+ append_value(values[i])
+ else
+ append_null
+ end
+ end
+ else
+ values.each do |value|
+ append_value(value)
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/map-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/map-array.rb
new file mode 100644
index 000000000..96b8c01b1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/map-array.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class MapArray
+ def get_value(i)
+ super.each_with_object({}) do |item, result|
+ result[item["key"]] = item["value"]
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/map-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/map-data-type.rb
new file mode 100644
index 000000000..67e134329
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/map-data-type.rb
@@ -0,0 +1,89 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class MapDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::MapDataType}.
+ #
+ # @overload initialize(key, item)
+ #
+ # @param key [Arrow::DataType, Hash, String, Symbol]
+ # The key data type of the map data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @param item [Arrow::DataType, Hash, String, Symbol]
+ # The item data type of the map data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @example Create a map data type for `{0: "Hello", 1: "World"}`
+ # key = :int8
+ # item = :string
+ # Arrow::MapDataType.new(key, item)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the map data
+ # type. It must have `:key`, `:item` values.
+ #
+ # @option description [Arrow::DataType, Hash, String, Symbol]
+ # :key The key data type of the map data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @option description [Arrow::DataType, Hash, String, Symbol]
+ # :item The item data type of the map data type.
+ #
+ # You can specify data type as a description by `Hash`.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @example Create a map data type for `{0: "Hello", 1: "World"}`
+ # Arrow::MapDataType.new(key: :int8, item: :string)
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ key = description[:key]
+ item = description[:item]
+ when 2
+ key, item = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ key = DataType.resolve(key)
+ item = DataType.resolve(item)
+ initialize_raw(key, item)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/null-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/null-array-builder.rb
new file mode 100644
index 000000000..26e58ccdc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/null-array-builder.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class NullArrayBuilder
+ class << self
+ def buildable?(args)
+ super and not (args.size == 1 and args[0].is_a?(Integer))
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/null-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/null-array.rb
new file mode 100644
index 000000000..7426bb345
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/null-array.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class NullArray
+ def get_value(i)
+ nil
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/path-extension.rb b/src/arrow/ruby/red-arrow/lib/arrow/path-extension.rb
new file mode 100644
index 000000000..1273f298c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/path-extension.rb
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class PathExtension
+ def initialize(path)
+ @path = path
+ end
+
+ def extract
+ basename = ::File.basename(@path)
+ components = basename.split(".")
+ return {} if components.size < 2
+
+ extension = components.last.downcase
+ if components.size > 2
+ compression = CompressionType.resolve_extension(extension)
+ if compression
+ {
+ format: components[-2].downcase,
+ compression: compression,
+ }
+ else
+ {format: extension}
+ end
+ else
+ {format: extension}
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/raw-table-converter.rb b/src/arrow/ruby/red-arrow/lib/arrow/raw-table-converter.rb
new file mode 100644
index 000000000..41d331fb3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/raw-table-converter.rb
@@ -0,0 +1,47 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RawTableConverter
+ attr_reader :n_rows
+ attr_reader :schema
+ attr_reader :values
+ def initialize(raw_table)
+ @raw_table = raw_table
+ convert
+ end
+
+ private
+ def convert
+ if @raw_table.is_a?(::Array) and @raw_table[0].is_a?(Column)
+ fields = @raw_table.collect(&:field)
+ @schema = Schema.new(fields)
+ @values = @raw_table.collect(&:data)
+ else
+ fields = []
+ @values = []
+ @raw_table.each do |name, array|
+ array = ArrayBuilder.build(array) if array.is_a?(::Array)
+ fields << Field.new(name.to_s, array.value_data_type)
+ @values << array
+ end
+ @schema = Schema.new(fields)
+ end
+ @n_rows = @values[0].length
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-builder.rb
new file mode 100644
index 000000000..dc20312f2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-builder.rb
@@ -0,0 +1,114 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RecordBatchBuilder
+ class << self
+ # @since 0.12.0
+ def build(schema, data)
+ builder = new(schema)
+ builder.append(data)
+ builder.flush
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+ def initialize(schema)
+ unless schema.is_a?(Schema)
+ schema = Schema.new(schema)
+ end
+ initialize_raw(schema)
+ @name_to_index = {}
+ schema.fields.each_with_index do |field, i|
+ @name_to_index[field.name] = i
+ end
+ end
+
+ # @since 0.12.0
+ def [](name_or_index)
+ case name_or_index
+ when String, Symbol
+ name = name_or_index
+ self[resolve_name(name)]
+ else
+ index = name_or_index
+ column_builders[index]
+ end
+ end
+
+ # @since 0.12.0
+ def append(*values)
+ values.each do |value|
+ case value
+ when Hash
+ append_columns(value)
+ else
+ append_records(value)
+ end
+ end
+ end
+
+ # @since 0.12.0
+ def append_records(records)
+ n = n_columns
+ columns = n.times.collect do
+ []
+ end
+ records.each_with_index do |record, nth_record|
+ case record
+ when nil
+ when Hash
+ record.each do |name, value|
+ nth_column = resolve_name(name)
+ next if nth_column.nil?
+ columns[nth_column] << value
+ end
+ else
+ record.each_with_index do |value, nth_column|
+ columns[nth_column] << value
+ end
+ end
+ columns.each do |column|
+ column << nil if column.size != (nth_record + 1)
+ end
+ end
+ columns.each_with_index do |column, i|
+ self[i].append(*column)
+ end
+ end
+
+ # @since 0.12.0
+ def append_columns(columns)
+ columns.each do |name, values|
+ self[name].append(*values)
+ end
+ end
+
+ # @since 0.13.0
+ def column_builders
+ @column_builders ||= n_columns.times.collect do |i|
+ get_column_builder(i)
+ end
+ end
+
+ private
+ def resolve_name(name)
+ @name_to_index[name.to_s]
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch-file-reader.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-file-reader.rb
new file mode 100644
index 000000000..86a757e32
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-file-reader.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RecordBatchFileReader
+ include Enumerable
+
+ def each
+ n_record_batches.times do |i|
+ yield(get_record_batch(i))
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch-iterator.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-iterator.rb
new file mode 100644
index 000000000..4b828c6dc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-iterator.rb
@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RecordBatchIterator
+ alias_method :to_a, :to_list
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch-reader.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-reader.rb
new file mode 100644
index 000000000..e030e4f3b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-reader.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RecordBatchReader
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when ::Array
+ return nil if value.empty?
+ if value.all? {|v| v.is_a?(RecordBatch)}
+ new(value)
+ else
+ nil
+ end
+ when RecordBatch
+ new([value])
+ when Table
+ TableBatchReader.new(value)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch-stream-reader.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-stream-reader.rb
new file mode 100644
index 000000000..fa15c8000
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch-stream-reader.rb
@@ -0,0 +1,30 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class RecordBatchStreamReader
+ include Enumerable
+
+ def each
+ loop do
+ record_batch = next_record_batch
+ break if record_batch.nil?
+ yield(record_batch)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-batch.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-batch.rb
new file mode 100644
index 000000000..c5aaf876b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-batch.rb
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow/raw-table-converter"
+
+module Arrow
+ class RecordBatch
+ include ColumnContainable
+ include RecordContainable
+ include Enumerable
+
+ class << self
+ def new(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ raw_table_converter = RawTableConverter.new(args[0])
+ n_rows = raw_table_converter.n_rows
+ schema = raw_table_converter.schema
+ values = raw_table_converter.values
+ super(schema, n_rows, values)
+ when 2
+ schema, data = args
+ RecordBatchBuilder.build(schema, data)
+ when 3
+ super
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 1..3)"
+ raise ArgumentError, message
+ end
+ end
+ end
+
+ alias_method :each, :each_record
+
+ alias_method :size, :n_rows
+ alias_method :length, :n_rows
+
+ # Converts the record batch to {Arrow::Table}.
+ #
+ # @return [Arrow::Table]
+ #
+ # @since 0.12.0
+ def to_table
+ Table.new(schema, [self])
+ end
+
+ def respond_to_missing?(name, include_private)
+ return true if find_column(name)
+ super
+ end
+
+ def method_missing(name, *args, &block)
+ if args.empty?
+ column = find_column(name)
+ return column if column
+ end
+ super
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record-containable.rb b/src/arrow/ruby/red-arrow/lib/arrow/record-containable.rb
new file mode 100644
index 000000000..20c9ac2f5
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record-containable.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module RecordContainable
+ def each_record(reuse_record: false)
+ unless block_given?
+ return to_enum(__method__, reuse_record: reuse_record)
+ end
+
+ if reuse_record
+ record = Record.new(self, nil)
+ n_rows.times do |i|
+ record.index = i
+ yield(record)
+ end
+ else
+ n_rows.times do |i|
+ yield(Record.new(self, i))
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/record.rb b/src/arrow/ruby/red-arrow/lib/arrow/record.rb
new file mode 100644
index 000000000..6f83dded0
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/record.rb
@@ -0,0 +1,60 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Record
+ attr_reader :container
+ attr_accessor :index
+ def initialize(container, index)
+ @container = container
+ @index = index
+ end
+
+ def [](column_name_or_column_index)
+ column = @container.find_column(column_name_or_column_index)
+ return nil if column.nil?
+ column[@index]
+ end
+
+ def to_a
+ @container.columns.collect do |column|
+ column[@index]
+ end
+ end
+
+ def to_h
+ attributes = {}
+ @container.columns.each do |column|
+ attributes[column.name] = column[@index]
+ end
+ attributes
+ end
+
+ def respond_to_missing?(name, include_private)
+ return true if @container.find_column(name)
+ super
+ end
+
+ def method_missing(name, *args, &block)
+ if args.empty?
+ column = @container.find_column(name)
+ return column[@index] if column
+ end
+ super
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/rolling-window.rb b/src/arrow/ruby/red-arrow/lib/arrow/rolling-window.rb
new file mode 100644
index 000000000..1db03bb23
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/rolling-window.rb
@@ -0,0 +1,48 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ # Experimental
+ #
+ # TODO: Almost codes should be implemented in Apache Arrow C++.
+ class RollingWindow
+ def initialize(table, size)
+ @table = table
+ @size = size
+ end
+
+ def lag(key, diff: 1)
+ column = @table[key]
+ if @size
+ windows = column.each_slice(@size)
+ else
+ windows = column
+ end
+ lag_values = [nil] * diff
+ windows.each_cons(diff + 1) do |values|
+ target = values[0]
+ current = values[1]
+ if target.nil? or current.nil?
+ lag_values << nil
+ else
+ lag_values << current - target
+ end
+ end
+ ArrayBuilder.build(lag_values)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/scalar.rb b/src/arrow/ruby/red-arrow/lib/arrow/scalar.rb
new file mode 100644
index 000000000..b2bf1ac59
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/scalar.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Scalar
+ # @param other [Arrow::Scalar] The scalar to be compared.
+ # @param options [Arrow::EqualOptions, Hash] (nil)
+ # The options to custom how to compare.
+ #
+ # @return [Boolean]
+ # `true` if both of them have the same data, `false` otherwise.
+ #
+ # @since 5.0.0
+ def equal_scalar?(other, options=nil)
+ equal_options(other, options)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/schema.rb b/src/arrow/ruby/red-arrow/lib/arrow/schema.rb
new file mode 100644
index 000000000..03354c862
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/schema.rb
@@ -0,0 +1,100 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Schema
+ include FieldContainable
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Schema}.
+ #
+ # @overload initialize(fields)
+ #
+ # @param fields [::Array<Arrow::Field, Hash>] The fields of the
+ # schema. You can mix {Arrow::Field} and field description in
+ # the fields.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @example Create a schema with {Arrow::Field}s
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # Arrow::Schema.new([visible_field])
+ #
+ # @example Create a schema with field descriptions
+ # visible_field_description = {
+ # name: "visible",
+ # data_type: :boolean,
+ # }
+ # Arrow::Schema.new([visible_field_description])
+ #
+ # @example Create a schema with {Arrow::Field}s and field descriptions
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {
+ # name: "count",
+ # type: :int32,
+ # },
+ # ]
+ # Arrow::Schema.new(fields)
+ #
+ # @overload initialize(fields)
+ #
+ # @param fields [Hash{String, Symbol => Arrow::DataType, Hash}]
+ # The pairs of field name and field data type of the schema.
+ # You can mix {Arrow::DataType} and data description for field
+ # data type.
+ #
+ # See {Arrow::DataType.new} how to specify data type description.
+ #
+ # @example Create a schema with fields
+ # fields = {
+ # "visible" => Arrow::BooleanDataType.new,
+ # :count => :int32,
+ # :tags => {
+ # type: :list,
+ # field: {
+ # name: "tag",
+ # type: :string,
+ # },
+ # },
+ # }
+ # Arrow::Schema.new(fields)
+ def initialize(fields)
+ case fields
+ when ::Array
+ fields = fields.collect do |field|
+ field = Field.new(field) unless field.is_a?(Field)
+ field
+ end
+ when Hash
+ fields = fields.collect do |name, data_type|
+ Field.new(name, data_type)
+ end
+ end
+ initialize_raw(fields)
+ end
+
+ alias_method :[], :find_field
+
+ alias_method :to_s_raw, :to_s
+ def to_s(show_metadata: false)
+ to_string_metadata(show_metadata)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/slicer.rb b/src/arrow/ruby/red-arrow/lib/arrow/slicer.rb
new file mode 100644
index 000000000..6cca7f75e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/slicer.rb
@@ -0,0 +1,355 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Slicer
+ def initialize(table)
+ @table = table
+ end
+
+ def [](column_name)
+ column = @table[column_name]
+ return nil if column.nil?
+ ColumnCondition.new(column)
+ end
+
+ def respond_to_missing?(name, include_private)
+ return true if self[name]
+ super
+ end
+
+ def method_missing(name, *args, &block)
+ if args.empty?
+ column_condition = self[name]
+ return column_condition if column_condition
+ end
+ super
+ end
+
+ module Helper
+ class << self
+ def ensure_boolean(column)
+ case column.data_type
+ when Arrow::BooleanDataType
+ column.data
+ else
+ options = CastOptions.new
+ options.to_data_type = Arrow::BooleanDataType.new
+ Function.find("cast").execute([column.data], options).value
+ end
+ end
+ end
+ end
+
+ class Condition
+ def evaluate
+ message = "Slicer::Condition must define \#evaluate: #{inspect}"
+ raise NotImplementedError.new(message)
+ end
+
+ def &(condition)
+ AndCondition.new(self, condition)
+ end
+
+ def |(condition)
+ OrCondition.new(self, condition)
+ end
+
+ def ^(condition)
+ XorCondition.new(self, condition)
+ end
+ end
+
+ class LogicalCondition < Condition
+ def initialize(condition1, condition2)
+ @condition1 = condition1
+ @condition2 = condition2
+ end
+
+ def evaluate
+ function.execute([@condition1.evaluate, @condition2.evaluate]).value
+ end
+ end
+
+ class AndCondition < LogicalCondition
+ private
+ def function
+ Function.find("and")
+ end
+ end
+
+ class OrCondition < LogicalCondition
+ private
+ def function
+ Function.find("or")
+ end
+ end
+
+ class XorCondition < LogicalCondition
+ private
+ def function
+ Function.find("xor")
+ end
+ end
+
+ class ColumnCondition < Condition
+ def initialize(column)
+ @column = column
+ end
+
+ def evaluate
+ Helper.ensure_boolean(@column)
+ end
+
+ def !@
+ NotColumnCondition.new(@column)
+ end
+
+ def null?
+ self == nil
+ end
+
+ def valid?
+ self != nil
+ end
+
+ def ==(value)
+ EqualCondition.new(@column, value)
+ end
+
+ def !=(value)
+ NotEqualCondition.new(@column, value)
+ end
+
+ def <(value)
+ LessCondition.new(@column, value)
+ end
+
+ def <=(value)
+ LessEqualCondition.new(@column, value)
+ end
+
+ def >(value)
+ GreaterCondition.new(@column, value)
+ end
+
+ def >=(value)
+ GreaterEqualCondition.new(@column, value)
+ end
+
+ def in?(values)
+ InCondition.new(@column, values)
+ end
+
+ def select(&block)
+ SelectCondition.new(@column, block)
+ end
+
+ def reject(&block)
+ RejectCondition.new(@column, block)
+ end
+ end
+
+ class NotColumnCondition < Condition
+ def initialize(column)
+ @column = column
+ end
+
+ def evaluate
+ data = Helper.ensure_boolean(@column)
+ Function.find("invert").execute([data]).value
+ end
+
+ def !@
+ ColumnCondition.new(@column)
+ end
+ end
+
+ class EqualCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ NotEqualCondition.new(@column, @value)
+ end
+
+ def evaluate
+ if @value.nil?
+ Function.find("is_null").execute([@column.data]).value
+ else
+ Function.find("equal").execute([@column.data, @value]).value
+ end
+ end
+ end
+
+ class NotEqualCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ EqualCondition.new(@column, @value)
+ end
+
+ def evaluate
+ if @value.nil?
+ Function.find("is_valid").execute([@column.data]).value
+ else
+ Function.find("not_equal").execute([@column.data, @value]).value
+ end
+ end
+ end
+
+ class LessCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ GreaterEqualCondition.new(@column, @value)
+ end
+
+ def evaluate
+ Function.find("less").execute([@column.data, @value]).value
+ end
+ end
+
+ class LessEqualCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ GreaterCondition.new(@column, @value)
+ end
+
+ def evaluate
+ Function.find("less_equal").execute([@column.data, @value]).value
+ end
+ end
+
+ class GreaterCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ LessEqualCondition.new(@column, @value)
+ end
+
+ def evaluate
+ Function.find("greater").execute([@column.data, @value]).value
+ end
+ end
+
+ class GreaterEqualCondition < Condition
+ def initialize(column, value)
+ @column = column
+ @value = value
+ end
+
+ def !@
+ LessCondition.new(@column, @value)
+ end
+
+ def evaluate
+ Function.find("greater_equal").execute([@column.data, @value]).value
+ end
+ end
+
+ class InCondition < Condition
+ def initialize(column, values)
+ @column = column
+ @values = values
+ end
+
+ def !@
+ NotInCondition.new(@column, @values)
+ end
+
+ def evaluate
+ values = @values
+ values = Array.new(values) unless values.is_a?(Array)
+ options = SetLookupOptions.new(values)
+ Function.find("is_in").execute([@column.data], options).value
+ end
+ end
+
+ class NotInCondition < Condition
+ def initialize(column, values)
+ @column = column
+ @values = values
+ end
+
+ def !@
+ InCondition.new(@column, @values)
+ end
+
+ def evaluate
+ values = @values
+ values = Array.new(values) unless values.is_a?(Array)
+ options = SetLookupOptions.new(values)
+ booleans = Function.find("is_in").execute([@column.data], options).value
+ Function.find("invert").execute([booleans]).value
+ end
+ end
+
+ class SelectCondition < Condition
+ def initialize(column, block)
+ @column = column
+ @block = block
+ end
+
+ def !@
+ RejectCondition.new(@column, @block)
+ end
+
+ def evaluate
+ BooleanArray.new(@column.collect(&@block))
+ end
+ end
+
+ class RejectCondition < Condition
+ def initialize(column, block)
+ @column = column
+ @block = block
+ end
+
+ def !@
+ SelectCondition.new(@column, @block)
+ end
+
+ def evaluate
+ raw_array = @column.collect do |value|
+ evaluated_value = @block.call(value)
+ if evaluated_value.nil?
+ nil
+ else
+ not evaluated_value
+ end
+ end
+ BooleanArray.new(raw_array)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/sort-key.rb b/src/arrow/ruby/red-arrow/lib/arrow/sort-key.rb
new file mode 100644
index 000000000..987027256
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/sort-key.rb
@@ -0,0 +1,193 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class SortKey
+ class << self
+ # Ensure returning suitable {Arrow::SortKey}.
+ #
+ # @overload resolve(sort_key)
+ #
+ # Returns the given sort key itself. This is convenient to use
+ # this method as {Arrow::SortKey} converter.
+ #
+ # @param sort_key [Arrow::SortKey] The sort key.
+ #
+ # @return [Arrow::SortKey] The given sort key itself.
+ #
+ # @overload resolve(name)
+ #
+ # Creates a new suitable sort key from column name with
+ # leading order mark. See {#initialize} for details about
+ # order mark.
+ #
+ # @return [Arrow::SortKey] A new suitable sort key.
+ #
+ # @overload resolve(name, order)
+ #
+ # Creates a new suitable sort key from column name without
+ # leading order mark and order. See {#initialize} for details.
+ #
+ # @return [Arrow::SortKey] A new suitable sort key.
+ #
+ # @since 4.0.0
+ def resolve(name, order=nil)
+ return name if name.is_a?(self)
+ new(name, order)
+ end
+
+ # @api private
+ def try_convert(value)
+ case value
+ when Symbol, String
+ new(value.to_s, :ascending)
+ else
+ nil
+ end
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+ # Creates a new {Arrow::SortKey}.
+ #
+ # @overload initialize(name)
+ #
+ # @param name [Symbol, String] The name of the sort column.
+ #
+ # If `name` is a String, the first character may be processed
+ # as the "leading order mark". If the first character is `"+"`
+ # or `"-"`, they are processed as a leading order mark. If the
+ # first character is processed as a leading order mark, the
+ # first character is removed from sort column name and
+ # corresponding order is used. `"+"` uses ascending order and
+ # `"-"` uses ascending order.
+ #
+ # If `name` is not a String nor `name` doesn't start with the
+ # leading order mark, sort column name is `name` as-is and
+ # ascending order is used.
+ #
+ # @example String without the leading order mark
+ # key = Arrow::SortKey.new("count")
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::ASCENDING
+ #
+ # @example String with the "+" leading order mark
+ # key = Arrow::SortKey.new("+count")
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::ASCENDING
+ #
+ # @example String with the "-" leading order mark
+ # key = Arrow::SortKey.new("-count")
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::DESCENDING
+ #
+ # @example Symbol that starts with "-"
+ # key = Arrow::SortKey.new(:"-count")
+ # key.name # => "-count"
+ # key.order # => Arrow::SortOrder::ASCENDING
+ #
+ # @overload initialize(name, order)
+ #
+ # @param name [Symbol, String] The name of the sort column.
+ #
+ # No leading order mark processing. The given `name` is used
+ # as-is.
+ #
+ # @param order [Symbol, String, Arrow::SortOrder] How to order
+ # by this sort key.
+ #
+ # If this is a Symbol or String, this must be `:ascending`,
+ # `"ascending"`, `:asc`, `"asc"`, `:descending`,
+ # `"descending"`, `:desc` or `"desc"`.
+ #
+ # @example No leading order mark processing
+ # key = Arrow::SortKey.new("-count", :ascending)
+ # key.name # => "-count"
+ # key.order # => Arrow::SortOrder::ASCENDING
+ #
+ # @example Order by abbreviated name with Symbol
+ # key = Arrow::SortKey.new("count", :desc)
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::DESCENDING
+ #
+ # @example Order by String
+ # key = Arrow::SortKey.new("count", "descending")
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::DESCENDING
+ #
+ # @example Order by Arrow::SortOrder
+ # key = Arrow::SortKey.new("count", Arrow::SortOrder::DESCENDING)
+ # key.name # => "count"
+ # key.order # => Arrow::SortOrder::DESCENDING
+ #
+ # @since 4.0.0
+ def initialize(name, order=nil)
+ name, order = normalize_name(name, order)
+ order = normalize_order(order) || :ascending
+ initialize_raw(name, order)
+ end
+
+ # @return [String] The string representation of this sort key. You
+ # can use recreate {Arrow::SortKey} by
+ # `Arrow::SortKey.new(key.to_s)`.
+ #
+ # @example Recreate Arrow::SortKey
+ # key = Arrow::SortKey.new("-count")
+ # key.to_s # => "-count"
+ # key == Arrow::SortKey.new(key.to_s) # => true
+ #
+ # @since 4.0.0
+ def to_s
+ if order == SortOrder::ASCENDING
+ "+#{name}"
+ else
+ "-#{name}"
+ end
+ end
+
+ private
+ def normalize_name(name, order)
+ case name
+ when Symbol
+ return name.to_s, order
+ when String
+ return name, order if order
+ if name.start_with?("-")
+ return name[1..-1], order || :descending
+ elsif name.start_with?("+")
+ return name[1..-1], order || :ascending
+ else
+ return name, order
+ end
+ else
+ return name, order
+ end
+ end
+
+ def normalize_order(order)
+ case order
+ when :asc, "asc"
+ :ascending
+ when :desc, "desc"
+ :descending
+ else
+ order
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/sort-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/sort-options.rb
new file mode 100644
index 000000000..a7c2d6431
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/sort-options.rb
@@ -0,0 +1,109 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class SortOptions
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Symbol, String
+ new(value)
+ when ::Array
+ new(*value)
+ else
+ nil
+ end
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+ # @param sort_keys [::Array<String, Symbol, Arrow::SortKey>] The
+ # sort keys to be used. See {Arrow::SortKey.resolve} how to
+ # resolve each sort key in `sort_keys`.
+ #
+ # You can add more sort keys by {#add_sort_key} later.
+ #
+ # @example No initial sort keys
+ # options = Arrow::SortOptions.new
+ # options.sort_keys # => []
+ #
+ # @example String sort keys
+ # options = Arrow::SortOptions.new("count", "-age")
+ # options.sort_keys.collect(&:to_s) # => ["+count", "-age"]
+ #
+ # @example Symbol sort keys
+ # options = Arrow::SortOptions.new(:count, :age)
+ # options.sort_keys.collect(&:to_s) # => ["+count", "+age"]
+ #
+ # @example Mixed sort keys
+ # options = Arrow::SortOptions.new(:count, "-age")
+ # options.sort_keys.collect(&:to_s) # => ["+count", "-age"]
+ #
+ # @since 4.0.0
+ def initialize(*sort_keys)
+ initialize_raw
+ sort_keys.each do |sort_key|
+ add_sort_key(sort_key)
+ end
+ end
+
+ # @api private
+ alias_method :add_sort_key_raw, :add_sort_key
+ # Add a sort key.
+ #
+ # @return [void]
+ #
+ # @overload add_sort_key(key)
+ #
+ # @param key [Arrow::SortKey] The sort key to be added.
+ #
+ # @example Add a key to sort by "price" column in descending order
+ # options = Arrow::SortOptions.new
+ # options.add_sort_key(Arrow::SortKey.new(:price, :descending))
+ # options.sort_keys.collect(&:to_s) # => ["-price"]
+ #
+ # @overload add_sort_key(name)
+ #
+ # @param name [Symbol, String] The sort key name to be
+ # added. See also {Arrow::SortKey#initialize} for the leading
+ # order mark for String name.
+ #
+ # @example Add a key to sort by "price" column in descending order
+ # options = Arrow::SortOptions.new
+ # options.add_sort_key("-price")
+ # options.sort_keys.collect(&:to_s) # => ["-price"]
+ #
+ # @overload add_sort_key(name, order)
+ #
+ # @param name [Symbol, String] The sort key name.
+ #
+ # @param order [Symbol, String, Arrow::SortOrder] The sort
+ # order. See {Arrow::SortKey#initialize} for details.
+ #
+ # @example Add a key to sort by "price" column in descending order
+ # options = Arrow::SortOptions.new
+ # options.add_sort_key("price", :desc)
+ # options.sort_keys.collect(&:to_s) # => ["-price"]
+ #
+ # @since 4.0.0
+ def add_sort_key(name, order=nil)
+ add_sort_key_raw(SortKey.resolve(name, order))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/source-node-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/source-node-options.rb
new file mode 100644
index 000000000..402ea85f7
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/source-node-options.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class SourceNodeOptions
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when RecordBatchReader, RecordBatch, Table
+ new(value)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/sparse-union-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/sparse-union-data-type.rb
new file mode 100644
index 000000000..14f3e5a7e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/sparse-union-data-type.rb
@@ -0,0 +1,90 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class SparseUnionDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::SparseUnionDataType}.
+ #
+ # @overload initialize(fields, type_codes)
+ #
+ # @param fields [::Array<Arrow::Field, Hash>] The fields of the
+ # sparse union data type. You can mix {Arrow::Field} and field
+ # description in the fields.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @param type_codes [::Array<Integer>] The IDs that indicates
+ # corresponding fields.
+ #
+ # @example Create a sparse union data type for `{2: visible, 9: count}`
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {
+ # name: "count",
+ # type: :int32,
+ # },
+ # ]
+ # Arrow::SparseUnionDataType.new(fields, [2, 9])
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the sparse union
+ # data type. It must have `:fields` and `:type_codes` values.
+ #
+ # @option description [::Array<Arrow::Field, Hash>] :fields The
+ # fields of the sparse union data type. You can mix
+ # {Arrow::Field} and field description in the fields.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @option description [::Array<Integer>] :type_codes The IDs
+ # that indicates corresponding fields.
+ #
+ # @example Create a sparse union data type for `{2: visible, 9: count}`
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {
+ # name: "count",
+ # type: :int32,
+ # },
+ # ]
+ # Arrow::SparseUnionDataType.new(fields: fields,
+ # type_codes: [2, 9])
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ description = args[0]
+ fields = description[:fields]
+ type_codes = description[:type_codes]
+ when 2
+ fields, type_codes = args
+ else
+ message = "wrong number of arguments (given, #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ fields = fields.collect do |field|
+ field = Field.new(field) unless field.is_a?(Field)
+ field
+ end
+ initialize_raw(fields, type_codes)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/string-dictionary-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/string-dictionary-array-builder.rb
new file mode 100644
index 000000000..fc2f90b80
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/string-dictionary-array-builder.rb
@@ -0,0 +1,27 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class StringDictionaryArrayBuilder
+ include SymbolValuesAppendable
+
+ private
+ def create_values_array_builder
+ StringArrayBuilder.new
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/struct-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/struct-array-builder.rb
new file mode 100644
index 000000000..ce883166a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/struct-array-builder.rb
@@ -0,0 +1,146 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class StructArrayBuilder
+ class << self
+ def build(data_type, values)
+ builder = new(data_type)
+ builder.build(values)
+ end
+ end
+
+ def [](index_or_name)
+ find_field_builder(index_or_name)
+ end
+
+ def find_field_builder(index_or_name)
+ case index_or_name
+ when String, Symbol
+ name = index_or_name
+ cached_name_to_builder[name.to_s]
+ else
+ index = index_or_name
+ cached_field_builders[index]
+ end
+ end
+
+ alias_method :append_value_raw, :append_value
+
+ # @overload append_value
+ #
+ # Starts appending a struct record. You need to append values of
+ # fields.
+ #
+ # @overload append_value(value)
+ #
+ # Appends a struct record including values of fields.
+ #
+ # @param value [nil, ::Array, Hash] The struct record value.
+ #
+ # If this is `nil`, the struct record is null.
+ #
+ # If this is `Array` or `Hash`, they are values of fields.
+ #
+ # @since 0.12.0
+ def append_value(*args)
+ n_args = args.size
+
+ case n_args
+ when 0
+ append_value_raw
+ when 1
+ value = args[0]
+ case value
+ when nil
+ append_null
+ when ::Array
+ append_value_raw
+ cached_field_builders.zip(value) do |builder, sub_value|
+ builder.append(sub_value)
+ end
+ when Hash
+ append_value_raw
+ local_name_to_builder = cached_name_to_builder.dup
+ value.each do |name, sub_value|
+ builder = local_name_to_builder.delete(name.to_s)
+ builder.append(sub_value)
+ end
+ local_name_to_builder.each do |_, builder|
+ builder.append_null
+ end
+ else
+ message =
+ "struct value must be nil, Array or Hash: #{value.inspect}"
+ raise ArgumentError, message
+ end
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 0..1)"
+ raise ArgumentError, message
+ end
+ end
+
+ def append_values(values, is_valids=nil)
+ if is_valids
+ is_valids.each_with_index do |is_valid, i|
+ if is_valid
+ append_value(values[i])
+ else
+ append_null
+ end
+ end
+ else
+ values.each do |value|
+ append_value(value)
+ end
+ end
+ end
+
+ alias_method :append_null_raw, :append_null
+ def append_null
+ append_null_raw
+ end
+
+ # @since 0.12.0
+ def append(*values)
+ if values.empty?
+ # For backward compatibility
+ append_value_raw
+ else
+ super
+ end
+ end
+
+ private
+ def cached_field_builders
+ @field_builders ||= field_builders
+ end
+
+ def build_name_to_builder
+ name_to_builder = {}
+ builders = cached_field_builders
+ value_data_type.fields.each_with_index do |field, i|
+ name_to_builder[field.name] = builders[i]
+ end
+ name_to_builder
+ end
+
+ def cached_name_to_builder
+ @name_to_builder ||= build_name_to_builder
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/struct-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/struct-array.rb
new file mode 100644
index 000000000..0b293dfc1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/struct-array.rb
@@ -0,0 +1,68 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class StructArray
+ # @param i [Integer]
+ # The index of the value to be gotten. You must specify the value index.
+ #
+ # You can use {Arrow::Array#[]} for convenient value access.
+ #
+ # @return [Hash] The `i`-th struct.
+ def get_value(i)
+ value = {}
+ value_data_type.fields.zip(fields) do |field, field_array|
+ value[field.name] = field_array[i]
+ end
+ value
+ end
+
+ # @overload find_field(index)
+ # @param index [Integer] The index of the field to be found.
+ # @return [Arrow::Array, nil]
+ # The `index`-th field or `nil` for out of range.
+ #
+ # @overload find_field(name)
+ # @param index [String, Symbol] The name of the field to be found.
+ # @return [Arrow::Array, nil]
+ # The field that has `name` or `nil` for nonexistent name.
+ def find_field(index_or_name)
+ case index_or_name
+ when String, Symbol
+ name = index_or_name
+ (@name_to_field ||= build_name_to_field)[name.to_s]
+ else
+ index = index_or_name
+ fields[index]
+ end
+ end
+
+ alias_method :fields_raw, :fields
+ def fields
+ @fields ||= fields_raw
+ end
+
+ private
+ def build_name_to_field
+ name_to_field = {}
+ value_data_type.fields.zip(fields) do |field, field_array|
+ name_to_field[field.name] = field_array
+ end
+ name_to_field
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/struct-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/struct-data-type.rb
new file mode 100644
index 000000000..a89a01689
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/struct-data-type.rb
@@ -0,0 +1,128 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class StructDataType
+ include FieldContainable
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::StructDataType}.
+ #
+ # @overload initialize(fields)
+ #
+ # @param fields [::Array<Arrow::Field, Hash>] The fields of the
+ # struct data type. You can also specify field description as
+ # a field. You can mix {Arrow::Field} and field description.
+ #
+ # See {Arrow::Field.new} how to specify field description.
+ #
+ # @example Create a struct data type with {Arrow::Field}s
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # count_field = Arrow::Field.new("count", :int32)
+ # Arrow::StructDataType.new([visible_field, count_field])
+ #
+ # @example Create a struct data type with field descriptions
+ # field_descriptions = [
+ # {name: "visible", type: :boolean},
+ # {name: "count", type: :int32},
+ # ]
+ # Arrow::StructDataType.new(field_descriptions)
+ #
+ # @example Create a struct data type with {Arrow::Field} and field description
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {name: "count", type: :int32},
+ # ]
+ # Arrow::StructDataType.new(fields)
+ #
+ # @overload initialize(fields)
+ #
+ # @param fields [Hash{String, Symbol => Arrow::DataType, Hash}]
+ # The pairs of field name and field data type of the struct
+ # data type. You can also specify data type description by
+ # `Hash`. You can mix {Arrow::DataType} and data type description.
+ #
+ # See {Arrow::DataType.resolve} how to specify data type
+ # description.
+ #
+ # @example Create a struct data type with {Arrow::DataType}s
+ # fields = {
+ # "visible" => Arrow::BooleanDataType.new,
+ # "count" => Arrow::Int32DataType.new,
+ # }
+ # Arrow::StructDataType.new(fields)
+ #
+ # @example Create a struct data type with data type descriptions
+ # fields = {
+ # "visible" => :boolean,
+ # "count" => {type: :int32},
+ # }
+ # Arrow::StructDataType.new(fields)
+ #
+ # @example Create a struct data type with {Arrow::DataType} and data type description
+ # fields = {
+ # "visible" => Arrow::BooleanDataType.new,
+ # "count" => {type: :int32},
+ # }
+ # Arrow::StructDataType.new(fields)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the struct data
+ # type. It must have `:fields` value.
+ #
+ # @option description
+ # [::Array<Arrow::Field, Hash>,
+ # Hash{String, Symbol => Arrow::DataType, Hash, String, Symbol}]
+ # :fields The fields of the struct data type.
+ #
+ # @example Create a struct data type with {Arrow::Field} and field description
+ # fields = [
+ # Arrow::Field.new("visible", :boolean),
+ # {name: "count", type: :int32},
+ # ]
+ # Arrow::StructDataType.new(fields: fields)
+ #
+ # @example Create a struct data type with {Arrow::DataType} and data type description
+ # fields = {
+ # "visible" => Arrow::BooleanDataType.new,
+ # "count" => {type: :int32},
+ # }
+ # Arrow::StructDataType.new(fields: fields)
+ def initialize(fields)
+ if fields.is_a?(Hash) and fields.key?(:fields)
+ description = fields
+ fields = description[:fields]
+ end
+ if fields.is_a?(Hash)
+ fields = fields.collect do |name, data_type|
+ Field.new(name, data_type)
+ end
+ else
+ fields = fields.collect do |field|
+ field = Field.new(field) unless field.is_a?(Field)
+ field
+ end
+ end
+ initialize_raw(fields)
+ end
+
+ alias_method :[], :find_field
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/symbol-values-appendable.rb b/src/arrow/ruby/red-arrow/lib/arrow/symbol-values-appendable.rb
new file mode 100644
index 000000000..66ab0a490
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/symbol-values-appendable.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module SymbolValuesAppendable
+ def append_values(values, is_valids=nil)
+ builder = create_values_array_builder
+ values = values.collect do |value|
+ case value
+ when Symbol
+ value.to_s
+ else
+ value
+ end
+ end
+ builder.append_values(values, is_valids)
+ append_array(builder.finish)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-concatenate-options.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-concatenate-options.rb
new file mode 100644
index 000000000..730bce1c8
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-concatenate-options.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class TableConcatenateOptions
+ class << self
+ # @api private
+ def try_convert(value)
+ case value
+ when Hash
+ options = new
+ value.each do |k, v|
+ options.public_send("#{k}=", value)
+ end
+ options
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-formatter.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-formatter.rb
new file mode 100644
index 000000000..d039679f9
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-formatter.rb
@@ -0,0 +1,190 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ # TODO: Almost codes should be implemented in Apache Arrow C++.
+ class TableFormatter
+ # @private
+ class ColumnFormatter
+ attr_reader :column
+ attr_reader :head_values
+ attr_reader :tail_values
+ attr_reader :sample_values
+ def initialize(column, head_values, tail_values)
+ @column = column
+ @head_values = head_values
+ @tail_values = tail_values
+ @sample_values = head_values + tail_values
+ @field_value_widths = {}
+ end
+
+ def data_type
+ @data_type ||= @column.data_type
+ end
+
+ def name
+ @name ||= @column.name
+ end
+
+ def aligned_name
+ @aligned_name ||= format_aligned_name(name, data_type, @sample_values)
+ end
+
+ FLOAT_N_DIGITS = 10
+ FORMATTED_NULL = "(null)"
+
+ def format_value(value, width=0)
+ case value
+ when ::Time
+ value.iso8601
+ when Float
+ "%*f" % [[width, FLOAT_N_DIGITS].max, value]
+ when Integer
+ "%*d" % [width, value]
+ when Hash
+ formatted_values = data_type.fields.collect do |field|
+ field_name = field.name
+ field_value_width = compute_field_value_width(field, @sample_values)
+ formatted_name = format_value(field_name, 0)
+ formatted_value = format_value(value[field_name], field_value_width)
+ "#{formatted_name}: #{formatted_value}"
+ end
+ formatted = "{"
+ formatted << formatted_values.join(", ")
+ formatted << "}"
+ "%-*s" % [width, formatted]
+ when nil
+ "%*s" % [width, FORMATTED_NULL]
+ else
+ "%-*s" % [width, value.to_s]
+ end
+ end
+
+ private
+ def compute_field_value_width(field, sample_values)
+ unless @field_value_widths.key?(field)
+ field_name = field.name
+ field_sample_values = sample_values.collect do |v|
+ (v || {})[field_name]
+ end
+ field_aligned_name = format_aligned_name("",
+ field.data_type,
+ field_sample_values)
+ @field_value_widths[field] = field_aligned_name.size
+ end
+ @field_value_widths[field]
+ end
+
+ def format_aligned_name(name, data_type, sample_values)
+ case data_type
+ when TimestampDataType
+ "%*s" % [::Time.now.iso8601.size, name]
+ when IntegerDataType
+ have_null = false
+ have_negative = false
+ max_value = nil
+ sample_values.each do |value|
+ if value.nil?
+ have_null = true
+ else
+ if max_value.nil?
+ max_value = value.abs
+ else
+ max_value = [value.abs, max_value].max
+ end
+ have_negative = true if value.negative?
+ end
+ end
+ if max_value.nil?
+ width = 0
+ elsif max_value.zero?
+ width = 1
+ else
+ width = (Math.log10(max_value) + 1).truncate
+ end
+ width += 1 if have_negative # Need "-"
+ width = [width, FORMATTED_NULL.size].max if have_null
+ "%*s" % [width, name]
+ when FloatDataType, DoubleDataType
+ "%*s" % [FLOAT_N_DIGITS, name]
+ when StructDataType
+ field_widths = data_type.fields.collect do |field|
+ field_value_width = compute_field_value_width(field, sample_values)
+ field.name.size + ": ".size + field_value_width
+ end
+ width = "{}".size + field_widths.sum
+ if field_widths.size > 0
+ width += (", ".size * (field_widths.size - 1))
+ end
+ "%*s" % [width, name]
+ else
+ name
+ end
+ end
+ end
+
+ def initialize(table, options={})
+ @table = table
+ @options = options
+ end
+
+ def format
+ text = ""
+ n_rows = @table.n_rows
+ border = @options[:border] || 10
+
+ head_limit = [border, n_rows].min
+
+ tail_start = [border, n_rows - border].max
+ tail_limit = n_rows - tail_start
+
+ column_formatters = @table.columns.collect do |column|
+ head_values = column.each.take(head_limit)
+ if tail_limit > 0
+ tail_values = column.reverse_each.take(tail_limit).reverse
+ else
+ tail_values = []
+ end
+ ColumnFormatter.new(column, head_values, tail_values)
+ end
+
+ format_header(text, column_formatters)
+ return text if n_rows.zero?
+
+ n_digits = (Math.log10(n_rows) + 1).truncate
+ format_rows(text,
+ column_formatters,
+ column_formatters.collect(&:head_values).transpose,
+ n_digits,
+ 0)
+ return text if n_rows <= border
+
+
+ if head_limit != tail_start
+ format_ellipsis(text)
+ end
+
+ format_rows(text,
+ column_formatters,
+ column_formatters.collect(&:tail_values).transpose,
+ n_digits,
+ tail_start)
+
+ text
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-list-formatter.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-list-formatter.rb
new file mode 100644
index 000000000..4fe293416
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-list-formatter.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ # TODO: Almost codes should be implemented in Apache Arrow C++.
+ class TableListFormatter < TableFormatter
+ private
+ def format_header(text, columns)
+ end
+
+ def format_rows(text, column_formatters, rows, n_digits, start_offset)
+ rows.each_with_index do |row, nth_row|
+ text << ("=" * 20 + " #{start_offset + nth_row} " + "=" * 20 + "\n")
+ row.each_with_index do |column_value, nth_column|
+ column_formatter = column_formatters[nth_column]
+ formatted_name = column_formatter.name
+ formatted_value = column_formatter.format_value(column_value)
+ text << "#{formatted_name}: #{formatted_value}\n"
+ end
+ end
+ end
+
+ def format_ellipsis(text)
+ text << "...\n"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-loader.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-loader.rb
new file mode 100644
index 000000000..8f43b69df
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-loader.rb
@@ -0,0 +1,225 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "uri"
+
+module Arrow
+ class TableLoader
+ class << self
+ def load(input, options={})
+ new(input, options).load
+ end
+ end
+
+ def initialize(input, options={})
+ input = input.to_path if input.respond_to?(:to_path)
+ @input = input
+ @options = options
+ fill_options
+ end
+
+ def load
+ if @input.is_a?(URI)
+ custom_load_method = "load_from_uri"
+ elsif @input.is_a?(String) and ::File.directory?(@input)
+ custom_load_method = "load_from_directory"
+ else
+ custom_load_method = "load_from_file"
+ end
+ unless respond_to?(custom_load_method, true)
+ available_schemes = []
+ (methods(true) | private_methods(true)).each do |name|
+ match_data = /\Aload_from_/.match(name.to_s)
+ if match_data
+ available_schemes << match_data.post_match
+ end
+ end
+ message = "Arrow::Table load source must be one of ["
+ message << available_schemes.join(", ")
+ message << "]: #{@input.inspect}"
+ raise ArgumentError, message
+ end
+ __send__(custom_load_method)
+ end
+
+ private
+ def load_from_file
+ format = @options[:format]
+ custom_load_method = "load_as_#{format}"
+ unless respond_to?(custom_load_method, true)
+ available_formats = []
+ (methods(true) | private_methods(true)).each do |name|
+ match_data = /\Aload_as_/.match(name.to_s)
+ if match_data
+ available_formats << match_data.post_match
+ end
+ end
+ deprecated_formats = ["batch", "stream"]
+ available_formats -= deprecated_formats
+ message = "Arrow::Table load format must be one of ["
+ message << available_formats.join(", ")
+ message << "]: #{format.inspect}"
+ raise ArgumentError, message
+ end
+ if method(custom_load_method).arity.zero?
+ __send__(custom_load_method)
+ else
+ # For backward compatibility.
+ __send__(custom_load_method, @input)
+ end
+ end
+
+ def fill_options
+ if @options[:format] and @options.key?(:compression)
+ return
+ end
+
+ case @input
+ when Buffer
+ info = {}
+ when URI
+ extension = PathExtension.new(@input.path)
+ info = extension.extract
+ else
+ extension = PathExtension.new(@input)
+ info = extension.extract
+ end
+ format = info[:format]
+ @options = @options.dup
+ if format
+ @options[:format] ||= format.to_sym
+ else
+ @options[:format] ||= :arrow
+ end
+ unless @options.key?(:compression)
+ @options[:compression] = info[:compression]
+ end
+ end
+
+ def open_input_stream
+ if @input.is_a?(Buffer)
+ BufferInputStream.new(@input)
+ else
+ MemoryMappedInputStream.new(@input)
+ end
+ end
+
+ def load_raw(input, reader)
+ schema = reader.schema
+ record_batches = []
+ reader.each do |record_batch|
+ record_batches << record_batch
+ end
+ table = Table.new(schema, record_batches)
+ table.instance_variable_set(:@input, input)
+ table
+ end
+
+ def load_as_arrow
+ input = nil
+ reader = nil
+ error = nil
+ reader_class_candidates = [
+ RecordBatchFileReader,
+ RecordBatchStreamReader,
+ ]
+ reader_class_candidates.each do |reader_class_candidate|
+ input = open_input_stream
+ begin
+ reader = reader_class_candidate.new(input)
+ rescue Arrow::Error
+ error = $!
+ else
+ break
+ end
+ end
+ raise error if reader.nil?
+ load_raw(input, reader)
+ end
+
+ # @since 1.0.0
+ def load_as_arrow_file
+ input = open_input_stream
+ reader = RecordBatchFileReader.new(input)
+ load_raw(input, reader)
+ end
+
+ # @deprecated Use `format: :arrow_file` instead.
+ def load_as_batch
+ load_as_arrow_file
+ end
+
+ # @since 1.0.0
+ def load_as_arrow_streaming
+ input = open_input_stream
+ reader = RecordBatchStreamReader.new(input)
+ load_raw(input, reader)
+ end
+
+ # @deprecated Use `format: :arrow_streaming` instead.
+ def load_as_stream
+ load_as_arrow_streaming
+ end
+
+ if Arrow.const_defined?(:ORCFileReader)
+ def load_as_orc
+ input = open_input_stream
+ reader = ORCFileReader.new(input)
+ field_indexes = @options[:field_indexes]
+ reader.set_field_indexes(field_indexes) if field_indexes
+ table = reader.read_stripes
+ table.instance_variable_set(:@input, input)
+ table
+ end
+ end
+
+ def csv_load(options)
+ options.delete(:format)
+ if @input.is_a?(Buffer)
+ CSVLoader.load(@input.data.to_s, **options)
+ else
+ CSVLoader.load(Pathname.new(@input), **options)
+ end
+ end
+
+ def load_as_csv
+ csv_load(@options.dup)
+ end
+
+ def load_as_tsv
+ options = @options.dup
+ options[:delimiter] = "\t"
+ csv_load(options.dup)
+ end
+
+ def load_as_feather
+ input = open_input_stream
+ reader = FeatherFileReader.new(input)
+ table = reader.read
+ table.instance_variable_set(:@input, input)
+ table
+ end
+
+ def load_as_json
+ input = open_input_stream
+ reader = JSONReader.new(input)
+ table = reader.read
+ table.instance_variable_set(:@input, input)
+ table
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-saver.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-saver.rb
new file mode 100644
index 000000000..207a10a82
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-saver.rb
@@ -0,0 +1,195 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class TableSaver
+ class << self
+ def save(table, output, options={})
+ new(table, output, options).save
+ end
+ end
+
+ def initialize(table, output, options={})
+ @table = table
+ output = output.to_path if output.respond_to?(:to_path)
+ @output = output
+ @options = options
+ fill_options
+ end
+
+ def save
+ if @output.is_a?(URI)
+ custom_save_method = "save_to_uri"
+ else
+ custom_save_method = "save_to_file"
+ end
+ unless respond_to?(custom_save_method, true)
+ available_schemes = []
+ (methods(true) | private_methods(true)).each do |name|
+ match_data = /\Asave_to_/.match(name.to_s)
+ if match_data
+ available_schemes << match_data.post_match
+ end
+ end
+ message = "Arrow::Table save source must be one of ["
+ message << available_schemes.join(", ")
+ message << "]: #{@output.scheme.inspect}"
+ raise ArgumentError, message
+ end
+ __send__(custom_save_method)
+ end
+
+ private
+ def save_to_file
+ format = @options[:format]
+ custom_save_method = "save_as_#{format}"
+ unless respond_to?(custom_save_method, true)
+ available_formats = []
+ (methods(true) | private_methods(true)).each do |name|
+ match_data = /\Asave_as_/.match(name.to_s)
+ if match_data
+ available_formats << match_data.post_match
+ end
+ end
+ deprecated_formats = ["batch", "stream"]
+ available_formats -= deprecated_formats
+ message = "Arrow::Table save format must be one of ["
+ message << available_formats.join(", ")
+ message << "]: #{format.inspect}"
+ raise ArgumentError, message
+ end
+ if method(custom_save_method).arity.zero?
+ __send__(custom_save_method)
+ else
+ # For backward compatibility.
+ __send__(custom_save_method, @output)
+ end
+ end
+
+ def fill_options
+ if @options[:format] and @options.key?(:compression)
+ return
+ end
+
+ case @output
+ when Buffer
+ info = {}
+ when URI
+ extension = PathExtension.new(@output.path)
+ info = extension.extract
+ else
+ extension = PathExtension.new(@output)
+ info = extension.extract
+ end
+ format = info[:format]
+ @options = @options.dup
+ if format
+ @options[:format] ||= format.to_sym
+ else
+ @options[:format] ||= :arrow
+ end
+ unless @options.key?(:compression)
+ @options[:compression] = info[:compression]
+ end
+ end
+
+ def open_raw_output_stream(&block)
+ if @output.is_a?(Buffer)
+ BufferOutputStream.open(@output, &block)
+ else
+ FileOutputStream.open(@output, false, &block)
+ end
+ end
+
+ def open_output_stream(&block)
+ compression = @options[:compression]
+ if compression
+ codec = Codec.new(compression)
+ open_raw_output_stream do |raw_output|
+ CompressedOutputStream.open(codec, raw_output) do |output|
+ yield(output)
+ end
+ end
+ else
+ open_raw_output_stream(&block)
+ end
+ end
+
+ def save_raw(writer_class)
+ open_output_stream do |output|
+ writer_class.open(output, @table.schema) do |writer|
+ writer.write_table(@table)
+ end
+ end
+ end
+
+ def save_as_arrow
+ save_as_arrow_file
+ end
+
+ # @since 1.0.0
+ def save_as_arrow_file
+ save_raw(RecordBatchFileWriter)
+ end
+
+ # @deprecated Use `format: :arrow_batch` instead.
+ def save_as_batch
+ save_as_arrow_file
+ end
+
+ # @since 1.0.0
+ def save_as_arrow_streaming
+ save_raw(RecordBatchStreamWriter)
+ end
+
+ # @deprecated Use `format: :arrow_streaming` instead.
+ def save_as_stream
+ save_as_arrow_streaming
+ end
+
+ def csv_save(**options)
+ open_output_stream do |output|
+ csv = CSV.new(output, **options)
+ names = @table.schema.fields.collect(&:name)
+ csv << names
+ @table.raw_records.each do |record|
+ csv << record
+ end
+ end
+ end
+
+ def save_as_csv
+ csv_save
+ end
+
+ def save_as_tsv
+ csv_save(col_sep: "\t")
+ end
+
+ def save_as_feather
+ properties = FeatherWriteProperties.new
+ properties.class.properties.each do |name|
+ value = @options[name.to_sym]
+ next if value.nil?
+ properties.__send__("#{name}=", value)
+ end
+ open_raw_output_stream do |output|
+ @table.write_as_feather(output, properties)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table-table-formatter.rb b/src/arrow/ruby/red-arrow/lib/arrow/table-table-formatter.rb
new file mode 100644
index 000000000..36121e1b6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table-table-formatter.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "time"
+
+module Arrow
+ # TODO: Almost codes should be implemented in Apache Arrow C++.
+ class TableTableFormatter < TableFormatter
+ private
+ def format_header(text, column_formatters)
+ column_formatters.each do |column_formatter|
+ text << "\t"
+ text << column_formatter.aligned_name
+ end
+ text << "\n"
+ end
+
+ def format_rows(text, column_formatters, rows, n_digits, start_offset)
+ rows.each_with_index do |row, nth_row|
+ text << ("%*d" % [n_digits, start_offset + nth_row])
+ row.each_with_index do |column_value, nth_column|
+ text << "\t"
+ column_formatter = column_formatters[nth_column]
+ aligned_name = column_formatter.aligned_name
+ text << column_formatter.format_value(column_value, aligned_name.size)
+ end
+ text << "\n"
+ end
+ end
+
+ def format_ellipsis(text)
+ text << "...\n"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/table.rb b/src/arrow/ruby/red-arrow/lib/arrow/table.rb
new file mode 100644
index 000000000..e8aa39bac
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/table.rb
@@ -0,0 +1,519 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow/raw-table-converter"
+
+module Arrow
+ class Table
+ include ColumnContainable
+ include GenericFilterable
+ include GenericTakeable
+ include RecordContainable
+
+ class << self
+ def load(path, options={})
+ TableLoader.load(path, options)
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Table}.
+ #
+ # @overload initialize(columns)
+ #
+ # @param columns [::Array<Arrow::Column>] The columns of the table.
+ #
+ # @example Create a table from columns
+ # count_field = Arrow::Field.new("count", :uint32)
+ # count_array = Arrow::UInt32Array.new([0, 2, nil, 4])
+ # count_column = Arrow::Column.new(count_field, count_array)
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # visible_array = Arrow::BooleanArray.new([true, nil, nil, false])
+ # visible_column = Arrow::Column.new(visible_field, visible_array)
+ # Arrow::Table.new([count_column, visible_column])
+ #
+ # @overload initialize(raw_table)
+ #
+ # @param raw_table [Hash<String, Arrow::Array>]
+ # The pairs of column name and values of the table. Column values is
+ # `Arrow::Array`.
+ #
+ # @example Create a table from column name and values
+ # Arrow::Table.new("count" => Arrow::UInt32Array.new([0, 2, nil, 4]),
+ # "visible" => Arrow::BooleanArray.new([true, nil, nil, false]))
+ #
+ # @overload initialize(raw_table)
+ #
+ # @param raw_table [Hash<String, Arrow::ChunkedArray>]
+ # The pairs of column name and values of the table. Column values is
+ # `Arrow::ChunkedArray`.
+ #
+ # @example Create a table from column name and values
+ # count_chunks = [
+ # Arrow::UInt32Array.new([0, 2]),
+ # Arrow::UInt32Array.new([nil, 4]),
+ # ]
+ # visible_chunks = [
+ # Arrow::BooleanArray.new([true]),
+ # Arrow::BooleanArray.new([nil, nil, false]),
+ # ]
+ # Arrow::Table.new("count" => Arrow::ChunkedArray.new(count_chunks),
+ # "visible" => Arrow::ChunkedArray.new(visible_chunks))
+ #
+ # @overload initialize(raw_table)
+ #
+ # @param raw_table [Hash<String, ::Array>]
+ # The pairs of column name and values of the table. Column values is
+ # `Array`.
+ #
+ # @example Create a table from column name and values
+ # Arrow::Table.new("count" => [0, 2, nil, 4],
+ # "visible" => [true, nil, nil, false])
+ #
+ # @overload initialize(schema, columns)
+ #
+ # @param schema [Arrow::Schema] The schema of the table.
+ # You can also specify schema as primitive Ruby objects.
+ # See {Arrow::Schema#initialize} for details.
+ #
+ # @param columns [::Array<Arrow::Column>] The data of the table.
+ #
+ # @example Create a table from schema and columns
+ # count_field = Arrow::Field.new("count", :uint32)
+ # count_array = Arrow::UInt32Array.new([0, 2, nil, 4])
+ # count_column = Arrow::Column.new(count_field, count_array)
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # visible_array = Arrow::BooleanArray.new([true, nil, nil, false])
+ # visible_column = Arrow::Column.new(visible_field, visible_array)
+ # Arrow::Table.new(Arrow::Schema.new([count_field, visible_field]),
+ # [count_column, visible_column])
+ #
+ # @overload initialize(schema, arrays)
+ #
+ # @param schema [Arrow::Schema] The schema of the table.
+ # You can also specify schema as primitive Ruby objects.
+ # See {Arrow::Schema#initialize} for details.
+ #
+ # @param arrays [::Array<Arrow::Array>] The data of the table.
+ #
+ # @example Create a table from schema and arrays
+ # count_field = Arrow::Field.new("count", :uint32)
+ # count_array = Arrow::UInt32Array.new([0, 2, nil, 4])
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # visible_array = Arrow::BooleanArray.new([true, nil, nil, false])
+ # Arrow::Table.new(Arrow::Schema.new([count_field, visible_field]),
+ # [count_array, visible_array])
+ #
+ # @overload initialize(schema, record_batches)
+ #
+ # @param schema [Arrow::Schema] The schema of the table.
+ # You can also specify schema as primitive Ruby objects.
+ # See {Arrow::Schema#initialize} for details.
+ #
+ # @param arrays [::Array<Arrow::RecordBatch>] The data of the table.
+ #
+ # @example Create a table from schema and record batches
+ # count_field = Arrow::Field.new("count", :uint32)
+ # visible_field = Arrow::Field.new("visible", :boolean)
+ # schema = Arrow::Schema.new([count_field, visible_field])
+ # record_batches = [
+ # Arrow::RecordBatch.new(schema, [[0, true], [2, nil], [nil, nil]]),
+ # Arrow::RecordBatch.new(schema, [[4, false]]),
+ # ]
+ # Arrow::Table.new(schema, record_batches)
+ #
+ # @overload initialize(schema, raw_records)
+ #
+ # @param schema [Arrow::Schema] The schema of the table.
+ # You can also specify schema as primitive Ruby objects.
+ # See {Arrow::Schema#initialize} for details.
+ #
+ # @param arrays [::Array<::Array>] The data of the table as primitive
+ # Ruby objects.
+ #
+ # @example Create a table from schema and raw records
+ # schema = {
+ # count: :uint32,
+ # visible: :boolean,
+ # }
+ # raw_records = [
+ # [0, true],
+ # [2, nil],
+ # [nil, nil],
+ # [4, false],
+ # ]
+ # Arrow::Table.new(schema, raw_records)
+ def initialize(*args)
+ n_args = args.size
+ case n_args
+ when 1
+ raw_table_converter = RawTableConverter.new(args[0])
+ schema = raw_table_converter.schema
+ values = raw_table_converter.values
+ when 2
+ schema = args[0]
+ schema = Schema.new(schema) unless schema.is_a?(Schema)
+ values = args[1]
+ case values[0]
+ when ::Array
+ values = [RecordBatch.new(schema, values)]
+ when Column
+ values = values.collect(&:data)
+ end
+ else
+ message = "wrong number of arguments (given #{n_args}, expected 1..2)"
+ raise ArgumentError, message
+ end
+ initialize_raw(schema, values)
+ end
+
+ def each_record_batch
+ return to_enum(__method__) unless block_given?
+
+ reader = TableBatchReader.new(self)
+ while record_batch = reader.read_next
+ yield(record_batch)
+ end
+ end
+
+ alias_method :size, :n_rows
+ alias_method :length, :n_rows
+
+ alias_method :slice_raw, :slice
+
+ # @overload slice(offset, length)
+ #
+ # @param offset [Integer] The offset of sub Arrow::Table.
+ # @param length [Integer] The length of sub Arrow::Table.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only from
+ # `offset` to `offset + length` range.
+ #
+ # @overload slice(index)
+ #
+ # @param index [Integer] The index in this table.
+ # @return [Arrow::Record]
+ # The `Arrow::Record` corresponding to index of
+ # the table.
+ #
+ # @overload slice(booleans)
+ #
+ # @param booleans [::Array<Boolean>]
+ # The values indicating the target rows.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only rows of indices
+ # the values of `booleans` is true.
+ #
+ # @overload slice(boolean_array)
+ #
+ # @param boolean_array [::Array<Arrow::BooleanArray>]
+ # The values indicating the target rows.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only rows of indices
+ # the values of `boolean_array` is true.
+ #
+ # @overload slice(range)
+ #
+ # @param range_included_end [Range] The range indicating the target rows.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only rows of the range of indices.
+ #
+ # @overload slice(conditions)
+ #
+ # @param conditions [Hash] The conditions to select records.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only rows matched by condition
+ #
+ # @overload slice
+ #
+ # @yield [slicer] Gives slicer that constructs condition to select records.
+ # @yieldparam slicer [Arrow::Slicer] The slicer that helps us to
+ # build condition.
+ # @yieldreturn [Arrow::Slicer::Condition, ::Array<Arrow::Slicer::Condition>]
+ # The condition to select records.
+ # @return [Arrow::Table]
+ # The sub `Arrow::Table` that covers only rows matched by condition
+ # specified by slicer.
+ def slice(*args)
+ slicers = []
+ if block_given?
+ unless args.empty?
+ raise ArgumentError, "must not specify both arguments and block"
+ end
+ block_slicer = yield(Slicer.new(self))
+ case block_slicer
+ when ::Array
+ slicers.concat(block_slicer)
+ else
+ slicers << block_slicer
+ end
+ else
+ expected_n_args = nil
+ case args.size
+ when 1
+ case args[0]
+ when Integer
+ index = args[0]
+ index += n_rows if index < 0
+ return nil if index < 0
+ return nil if index >= n_rows
+ return Record.new(self, index)
+ when Hash
+ condition_pairs = args[0]
+ slicer = Slicer.new(self)
+ conditions = []
+ condition_pairs.each do |key, value|
+ case value
+ when Range
+ # TODO: Optimize "begin <= key <= end" case by missing "between" kernel
+ # https://issues.apache.org/jira/browse/ARROW-9843
+ unless value.begin.nil?
+ conditions << (slicer[key] >= value.begin)
+ end
+ unless value.end.nil?
+ if value.exclude_end?
+ conditions << (slicer[key] < value.end)
+ else
+ conditions << (slicer[key] <= value.end)
+ end
+ end
+ else
+ conditions << (slicer[key] == value)
+ end
+ end
+ slicers << conditions.inject(:&)
+ else
+ slicers << args[0]
+ end
+ when 2
+ offset, length = args
+ slicers << (offset...(offset + length))
+ else
+ expected_n_args = "1..2"
+ end
+ if expected_n_args
+ message = "wrong number of arguments " +
+ "(given #{args.size}, expected #{expected_n_args})"
+ raise ArgumentError, message
+ end
+ end
+
+ filter_options = Arrow::FilterOptions.new
+ filter_options.null_selection_behavior = :emit_null
+ sliced_tables = []
+ slicers.each do |slicer|
+ slicer = slicer.evaluate if slicer.respond_to?(:evaluate)
+ case slicer
+ when Integer
+ slicer += n_rows if slicer < 0
+ sliced_tables << slice_by_range(slicer, n_rows - 1)
+ when Range
+ original_from = from = slicer.first
+ to = slicer.last
+ to -= 1 if slicer.exclude_end?
+ from += n_rows if from < 0
+ if from < 0 or from >= n_rows
+ message =
+ "offset is out of range (-#{n_rows + 1},#{n_rows}): " +
+ "#{original_from}"
+ raise ArgumentError, message
+ end
+ to += n_rows if to < 0
+ sliced_tables << slice_by_range(from, to)
+ when ::Array, BooleanArray, ChunkedArray
+ sliced_tables << filter(slicer, filter_options)
+ else
+ message = "slicer must be Integer, Range, (from, to), " +
+ "Arrow::ChunkedArray of Arrow::BooleanArray, " +
+ "Arrow::BooleanArray or Arrow::Slicer::Condition: #{slicer.inspect}"
+ raise ArgumentError, message
+ end
+ end
+ if sliced_tables.size > 1
+ sliced_tables[0].concatenate(sliced_tables[1..-1])
+ else
+ sliced_tables[0]
+ end
+ end
+
+ # TODO
+ #
+ # @return [Arrow::Table]
+ def merge(other)
+ added_columns = {}
+ removed_columns = {}
+
+ case other
+ when Hash
+ other.each do |name, value|
+ name = name.to_s
+ if value
+ added_columns[name] = ensure_raw_column(name, value)
+ else
+ removed_columns[name] = true
+ end
+ end
+ when Table
+ added_columns = {}
+ other.columns.each do |column|
+ name = column.name
+ added_columns[name] = ensure_raw_column(name, column)
+ end
+ else
+ message = "merge target must be Hash or Arrow::Table: " +
+ "<#{other.inspect}>: #{inspect}"
+ raise ArgumentError, message
+ end
+
+ new_columns = []
+ columns.each do |column|
+ column_name = column.name
+ new_column = added_columns.delete(column_name)
+ if new_column
+ new_columns << new_column
+ next
+ end
+ next if removed_columns.key?(column_name)
+ new_columns << ensure_raw_column(column_name, column)
+ end
+ added_columns.each do |name, new_column|
+ new_columns << new_column
+ end
+ new_fields = []
+ new_arrays = []
+ new_columns.each do |new_column|
+ new_fields << new_column[:field]
+ new_arrays << new_column[:data]
+ end
+ self.class.new(new_fields, new_arrays)
+ end
+
+ alias_method :remove_column_raw, :remove_column
+ def remove_column(name_or_index)
+ case name_or_index
+ when String, Symbol
+ name = name_or_index.to_s
+ index = columns.index {|column| column.name == name}
+ if index.nil?
+ message = "unknown column: #{name_or_index.inspect}: #{inspect}"
+ raise KeyError.new(message)
+ end
+ else
+ index = name_or_index
+ index += n_columns if index < 0
+ if index < 0 or index >= n_columns
+ message = "out of index (0..#{n_columns - 1}): " +
+ "#{name_or_index.inspect}: #{inspect}"
+ raise IndexError.new(message)
+ end
+ end
+ remove_column_raw(index)
+ end
+
+ # Experimental
+ def group(*keys)
+ Group.new(self, keys)
+ end
+
+ # Experimental
+ def window(size: nil)
+ RollingWindow.new(self, size)
+ end
+
+ def save(output, options={})
+ saver = TableSaver.new(self, output, options)
+ saver.save
+ end
+
+ def pack
+ packed_arrays = columns.collect do |column|
+ column.data.pack
+ end
+ self.class.new(schema, packed_arrays)
+ end
+
+ alias_method :to_s_raw, :to_s
+ def to_s(options={})
+ format = options[:format]
+ case format
+ when :column
+ return to_s_raw
+ when :list
+ formatter_class = TableListFormatter
+ when :table, nil
+ formatter_class = TableTableFormatter
+ else
+ message = ":format must be :column, :list, :table or nil"
+ raise ArgumentError, "#{message}: <#{format.inspect}>"
+ end
+ formatter = formatter_class.new(self, options)
+ formatter.format
+ end
+
+ alias_method :inspect_raw, :inspect
+ def inspect
+ "#{super}\n#{to_s}"
+ end
+
+ def respond_to_missing?(name, include_private)
+ return true if find_column(name)
+ super
+ end
+
+ def method_missing(name, *args, &block)
+ if args.empty?
+ column = find_column(name)
+ return column if column
+ end
+ super
+ end
+
+ private
+ def slice_by_range(from, to)
+ slice_raw(from, to - from + 1)
+ end
+
+ def ensure_raw_column(name, data)
+ case data
+ when Array
+ {
+ field: Field.new(name, data.value_data_type),
+ data: ChunkedArray.new([data]),
+ }
+ when ChunkedArray
+ {
+ field: Field.new(name, data.value_data_type),
+ data: data,
+ }
+ when Column
+ column = data
+ data = column.data
+ data = ChunkedArray.new([data]) unless data.is_a?(ChunkedArray)
+ {
+ field: column.field,
+ data: data,
+ }
+ else
+ message = "column must be Arrow::Array or Arrow::Column: " +
+ "<#{name}>: <#{data.inspect}>: #{inspect}"
+ raise ArgumentError, message
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/tensor.rb b/src/arrow/ruby/red-arrow/lib/arrow/tensor.rb
new file mode 100644
index 000000000..fdcc6c1ae
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/tensor.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Tensor
+ def to_arrow
+ self
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time.rb b/src/arrow/ruby/red-arrow/lib/arrow/time.rb
new file mode 100644
index 000000000..3d25a6403
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time.rb
@@ -0,0 +1,159 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time
+ attr_reader :unit
+ attr_reader :value
+ def initialize(unit, value)
+ @unit = unit
+ @value = value
+ @unconstructed = false
+ end
+
+ def ==(other)
+ other.is_a?(self.class) and
+ positive? == other.positive? and
+ hour == other.hour and
+ minute == other.minute and
+ second == other.second and
+ nano_second == other.nano_second
+ end
+
+ def cast(target_unit)
+ return self.class.new(@unit, @value) if @unit == target_unit
+
+ target_value = (hour * 60 * 60) + (minute * 60) + second
+ case target_unit
+ when TimeUnit::MILLI
+ target_value *= 1000
+ target_value += nano_second / 1000 / 1000
+ when TimeUnit::MICRO
+ target_value *= 1000 * 1000
+ target_value += nano_second / 1000
+ when TimeUnit::NANO
+ target_value *= 1000 * 1000 * 1000
+ target_value += nano_second
+ end
+ target_value = -target_value if negative?
+ self.class.new(target_unit, target_value)
+ end
+
+ def to_f
+ case @unit
+ when TimeUnit::SECOND
+ @value.to_f
+ when TimeUnit::MILLI
+ @value.to_f / 1000.0
+ when TimeUnit::MICRO
+ @value.to_f / 1000.0 / 1000.0
+ when TimeUnit::NANO
+ @value.to_f / 1000.0 / 1000.0 / 1000.0
+ end
+ end
+
+ def positive?
+ @value.positive?
+ end
+
+ def negative?
+ @value.negative?
+ end
+
+ def hour
+ unconstruct
+ @hour
+ end
+
+ def minute
+ unconstruct
+ @minute
+ end
+ alias_method :min, :minute
+
+ def second
+ unconstruct
+ @second
+ end
+ alias_method :sec, :second
+
+ def nano_second
+ unconstruct
+ @nano_second
+ end
+ alias_method :nsec, :nano_second
+
+ def to_s
+ unconstruct
+ if @nano_second.zero?
+ nano_second_string = ""
+ else
+ nano_second_string = (".%09d" % @nano_second).gsub(/0+\z/, "")
+ end
+ "%s%02d:%02d:%02d%s" % [
+ @value.negative? ? "-" : "",
+ @hour,
+ @minute,
+ @second,
+ nano_second_string,
+ ]
+ end
+
+ private
+ def unconstruct
+ return if @unconstructed
+ abs_value = @value.abs
+ case unit
+ when TimeUnit::SECOND
+ unconstruct_second(abs_value)
+ @nano_second = 0
+ when TimeUnit::MILLI
+ unconstruct_second(abs_value / 1000)
+ @nano_second = (abs_value % 1000) * 1000 * 1000
+ when TimeUnit::MICRO
+ unconstruct_second(abs_value / 1000 / 1000)
+ @nano_second = (abs_value % (1000 * 1000)) * 1000
+ when TimeUnit::NANO
+ unconstruct_second(abs_value / 1000 / 1000 / 1000)
+ @nano_second = abs_value % (1000 * 1000 * 1000)
+ else
+ raise ArgumentError, "invalid unit: #{@unit.inspect}"
+ end
+ @unconstructed = true
+ end
+
+ def unconstruct_second(abs_value_in_second)
+ if abs_value_in_second < 60
+ hour = 0
+ minute = 0
+ second = abs_value_in_second
+ elsif abs_value_in_second < (60 * 60)
+ hour = 0
+ minute = abs_value_in_second / 60
+ second = abs_value_in_second % 60
+ else
+ in_minute = abs_value_in_second / 60
+ hour = in_minute / 60
+ minute = in_minute % 60
+ second = abs_value_in_second % 60
+ end
+ @hour = hour
+ @minute = minute
+ @second = second
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time32-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/time32-array-builder.rb
new file mode 100644
index 000000000..088f37c4e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time32-array-builder.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time32ArrayBuilder
+ class << self
+ def build(unit_or_data_type, values)
+ builder = new(unit_or_data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ def initialize(unit_or_data_type)
+ case unit_or_data_type
+ when DataType
+ data_type = unit_or_data_type
+ else
+ unit = unit_or_data_type
+ data_type = Time32DataType.new(unit)
+ end
+ initialize_raw(data_type)
+ end
+
+ def unit
+ @unit ||= value_data_type.unit
+ end
+
+ private
+ def convert_to_arrow_value(value)
+ return value unless value.is_a?(Time)
+ value.cast(unit).value
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time32-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/time32-array.rb
new file mode 100644
index 000000000..e01dd9732
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time32-array.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time32Array
+ def get_value(i)
+ Time.new(unit, get_raw_value(i))
+ end
+
+ def unit
+ @unit ||= value_data_type.unit
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time32-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/time32-data-type.rb
new file mode 100644
index 000000000..be1d04fa2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time32-data-type.rb
@@ -0,0 +1,61 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time32DataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Time32DataType}.
+ #
+ # @overload initialize(unit)
+ #
+ # @param unit [Arrow::TimeUnit, Symbol] The unit of the
+ # time32 data type.
+ #
+ # The unit must be second or millisecond.
+ #
+ # @example Create a time32 data type with Arrow::TimeUnit
+ # Arrow::Time32DataType.new(Arrow::TimeUnit::MILLI)
+ #
+ # @example Create a time32 data type with Symbol
+ # Arrow::Time32DataType.new(:milli)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the time32 data
+ # type. It must have `:unit` value.
+ #
+ # @option description [Arrow::TimeUnit, Symbol] :unit The unit of
+ # the time32 data type.
+ #
+ # The unit must be second or millisecond.
+ #
+ # @example Create a time32 data type with Arrow::TimeUnit
+ # Arrow::Time32DataType.new(unit: Arrow::TimeUnit::MILLI)
+ #
+ # @example Create a time32 data type with Symbol
+ # Arrow::Time32DataType.new(unit: :milli)
+ def initialize(unit)
+ if unit.is_a?(Hash)
+ description = unit
+ unit = description[:unit]
+ end
+ initialize_raw(unit)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time64-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/time64-array-builder.rb
new file mode 100644
index 000000000..dec15b8bf
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time64-array-builder.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time64ArrayBuilder
+ class << self
+ def build(unit_or_data_type, values)
+ builder = new(unit_or_data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ def initialize(unit_or_data_type)
+ case unit_or_data_type
+ when DataType
+ data_type = unit_or_data_type
+ else
+ unit = unit_or_data_type
+ data_type = Time64DataType.new(unit)
+ end
+ initialize_raw(data_type)
+ end
+
+ def unit
+ @unit ||= value_data_type.unit
+ end
+
+ private
+ def convert_to_arrow_value(value)
+ return value unless value.is_a?(Time)
+ value.cast(unit).value
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time64-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/time64-array.rb
new file mode 100644
index 000000000..7fc2fd9ab
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time64-array.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time64Array
+ def get_value(i)
+ Time.new(unit, get_raw_value(i))
+ end
+
+ def unit
+ @unit ||= value_data_type.unit
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/time64-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/time64-data-type.rb
new file mode 100644
index 000000000..13795aa83
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/time64-data-type.rb
@@ -0,0 +1,61 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Time64DataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::Time64DataType}.
+ #
+ # @overload initialize(unit)
+ #
+ # @param unit [Arrow::TimeUnit, Symbol] The unit of the
+ # time64 data type.
+ #
+ # The unit must be microsecond or nanosecond.
+ #
+ # @example Create a time64 data type with Arrow::TimeUnit
+ # Arrow::Time64DataType.new(Arrow::TimeUnit::NANO)
+ #
+ # @example Create a time64 data type with Symbol
+ # Arrow::Time64DataType.new(:nano)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the time64 data
+ # type. It must have `:unit` value.
+ #
+ # @option description [Arrow::TimeUnit, Symbol] :unit The unit of
+ # the time64 data type.
+ #
+ # The unit must be microsecond or nanosecond.
+ #
+ # @example Create a time64 data type with Arrow::TimeUnit
+ # Arrow::Time64DataType.new(unit: Arrow::TimeUnit::NANO)
+ #
+ # @example Create a time64 data type with Symbol
+ # Arrow::Time64DataType.new(unit: :nano)
+ def initialize(unit)
+ if unit.is_a?(Hash)
+ description = unit
+ unit = description[:unit]
+ end
+ initialize_raw(unit)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array-builder.rb b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array-builder.rb
new file mode 100644
index 000000000..68bcb0fec
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array-builder.rb
@@ -0,0 +1,65 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class TimestampArrayBuilder
+ class << self
+ def build(unit_or_data_type, values)
+ builder = new(unit_or_data_type)
+ builder.build(values)
+ end
+ end
+
+ alias_method :initialize_raw, :initialize
+ def initialize(unit_or_data_type)
+ case unit_or_data_type
+ when DataType
+ data_type = unit_or_data_type
+ else
+ unit = unit_or_data_type
+ data_type = TimestampDataType.new(unit)
+ end
+ initialize_raw(data_type)
+ end
+
+ private
+ def unit_id
+ @unit_id ||= value_data_type.unit.nick.to_sym
+ end
+
+ def convert_to_arrow_value(value)
+ if value.respond_to?(:to_time) and not value.is_a?(Time)
+ value = value.to_time
+ end
+
+ if value.is_a?(::Time)
+ case unit_id
+ when :second
+ value.to_i
+ when :milli
+ value.to_i * 1_000 + value.usec / 1_000
+ when :micro
+ value.to_i * 1_000_000 + value.usec
+ else
+ value.to_i * 1_000_000_000 + value.nsec
+ end
+ else
+ value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array.rb b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array.rb
new file mode 100644
index 000000000..011273487
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-array.rb
@@ -0,0 +1,42 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class TimestampArray
+ def get_value(i)
+ cast_to_time(get_raw_value(i))
+ end
+
+ def unit
+ @unit ||= value_data_type.unit
+ end
+
+ private
+ def cast_to_time(raw_value)
+ case unit
+ when TimeUnit::SECOND
+ ::Time.at(raw_value)
+ when TimeUnit::MILLI
+ ::Time.at(*raw_value.divmod(1_000))
+ when TimeUnit::MICRO
+ ::Time.at(*raw_value.divmod(1_000_000))
+ else
+ ::Time.at(raw_value / 1_000_000_000.0)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/timestamp-data-type.rb b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-data-type.rb
new file mode 100644
index 000000000..cd91f567d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/timestamp-data-type.rb
@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class TimestampDataType
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+
+ # Creates a new {Arrow::TimestampDataType}.
+ #
+ # @overload initialize(unit)
+ #
+ # @param unit [Arrow::TimeUnit, Symbol] The unit of the
+ # timestamp data type.
+ #
+ # @example Create a timestamp data type with Arrow::TimeUnit
+ # Arrow::TimestampDataType.new(Arrow::TimeUnit::MILLI)
+ #
+ # @example Create a timestamp data type with Symbol
+ # Arrow::TimestampDataType.new(:milli)
+ #
+ # @overload initialize(description)
+ #
+ # @param description [Hash] The description of the timestamp data
+ # type. It must have `:unit` value.
+ #
+ # @option description [Arrow::TimeUnit, Symbol] :unit The unit of
+ # the timestamp data type.
+ #
+ # @example Create a timestamp data type with Arrow::TimeUnit
+ # Arrow::TimestampDataType.new(unit: Arrow::TimeUnit::MILLI)
+ #
+ # @example Create a timestamp data type with Symbol
+ # Arrow::TimestampDataType.new(unit: :milli)
+ def initialize(unit)
+ if unit.is_a?(Hash)
+ description = unit
+ unit = description[:unit]
+ end
+ initialize_raw(unit)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/version.rb b/src/arrow/ruby/red-arrow/lib/arrow/version.rb
new file mode 100644
index 000000000..f830ff895
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/lib/arrow/writable.rb b/src/arrow/ruby/red-arrow/lib/arrow/writable.rb
new file mode 100644
index 000000000..02be9ddfc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/lib/arrow/writable.rb
@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ module Writable
+ alias_method :<<, :write
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/red-arrow.gemspec b/src/arrow/ruby/red-arrow/red-arrow.gemspec
new file mode 100644
index 000000000..2fcc31b60
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/red-arrow.gemspec
@@ -0,0 +1,67 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/arrow/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-arrow"
+ version_components = [
+ Arrow::Version::MAJOR.to_s,
+ Arrow::Version::MINOR.to_s,
+ Arrow::Version::MICRO.to_s,
+ Arrow::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Arrow is the Ruby bindings of Apache Arrow"
+ spec.description =
+ "Apache Arrow is a common in-memory columnar data store. " +
+ "It's useful to share and process large data."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("ext/**/*.{cpp,hpp,rb}")
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.files += Dir.glob("image/*.*")
+ spec.files += Dir.glob("doc/text/*")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["ext/arrow/extconf.rb"]
+
+ spec.add_runtime_dependency("bigdecimal", ">= 2.0.3")
+ spec.add_runtime_dependency("extpp", ">= 0.0.7")
+ spec.add_runtime_dependency("gio2", ">= 3.4.9")
+ spec.add_runtime_dependency("native-package-installer")
+ spec.add_runtime_dependency("pkg-config")
+
+ spec.add_development_dependency("benchmark-driver")
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("faker")
+ spec.add_development_dependency("fiddle", ">= 1.0.9")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("redcarpet")
+ spec.add_development_dependency("test-unit")
+ spec.add_development_dependency("yard")
+
+ required_msys2_package_version = version_components[0, 3].join(".")
+ spec.metadata["msys2_mingw_dependencies"] =
+ "arrow>=#{required_msys2_package_version}"
+end
diff --git a/src/arrow/ruby/red-arrow/test/fixture/TestOrcFile.test1.orc b/src/arrow/ruby/red-arrow/test/fixture/TestOrcFile.test1.orc
new file mode 100644
index 000000000..4fb0beff8
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/TestOrcFile.test1.orc
Binary files differ
diff --git a/src/arrow/ruby/red-arrow/test/fixture/float-integer.csv b/src/arrow/ruby/red-arrow/test/fixture/float-integer.csv
new file mode 100644
index 000000000..5eae562bc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/float-integer.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+score
+2.9
+10
+-1.1
diff --git a/src/arrow/ruby/red-arrow/test/fixture/integer-float.csv b/src/arrow/ruby/red-arrow/test/fixture/integer-float.csv
new file mode 100644
index 000000000..da7614199
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/integer-float.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+score
+10
+2.9
+-1.1
diff --git a/src/arrow/ruby/red-arrow/test/fixture/null-with-double-quote.csv b/src/arrow/ruby/red-arrow/test/fixture/null-with-double-quote.csv
new file mode 100644
index 000000000..d84545928
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/null-with-double-quote.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+name,score
+alice,10
+bob,""
+chris,-1
diff --git a/src/arrow/ruby/red-arrow/test/fixture/null-without-double-quote.csv b/src/arrow/ruby/red-arrow/test/fixture/null-without-double-quote.csv
new file mode 100644
index 000000000..c91c8880a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/null-without-double-quote.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+name,score
+alice,10
+bob,
+chris,-1
diff --git a/src/arrow/ruby/red-arrow/test/fixture/with-header-float.csv b/src/arrow/ruby/red-arrow/test/fixture/with-header-float.csv
new file mode 100644
index 000000000..f62fc00b6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/with-header-float.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+name,score
+alice,10.1
+bob,29.2
+chris,-1.3
diff --git a/src/arrow/ruby/red-arrow/test/fixture/with-header.csv b/src/arrow/ruby/red-arrow/test/fixture/with-header.csv
new file mode 100644
index 000000000..a93fc5aec
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/with-header.csv
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+name,score
+alice,10
+bob,29
+chris,-1
diff --git a/src/arrow/ruby/red-arrow/test/fixture/without-header-float.csv b/src/arrow/ruby/red-arrow/test/fixture/without-header-float.csv
new file mode 100644
index 000000000..584a20996
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/without-header-float.csv
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+alice,10.1
+bob,29.2
+chris,-1.3
diff --git a/src/arrow/ruby/red-arrow/test/fixture/without-header.csv b/src/arrow/ruby/red-arrow/test/fixture/without-header.csv
new file mode 100644
index 000000000..1f775eae4
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/fixture/without-header.csv
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+alice,10
+bob,29
+chris,-1
diff --git a/src/arrow/ruby/red-arrow/test/helper.rb b/src/arrow/ruby/red-arrow/test/helper.rb
new file mode 100644
index 000000000..29e5f9cbc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/helper.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "fiddle"
+require "pathname"
+require "tempfile"
+require "zlib"
+
+require "test-unit"
+
+require_relative "helper/fixture"
+require_relative "helper/omittable"
diff --git a/src/arrow/ruby/red-arrow/test/helper/fixture.rb b/src/arrow/ruby/red-arrow/test/helper/fixture.rb
new file mode 100644
index 000000000..24445a7e4
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/helper/fixture.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Helper
+ module Fixture
+ def fixture_dir
+ Pathname.new(__dir__).join("..", "fixture").expand_path
+ end
+
+ def fixture_path(*components)
+ fixture_dir.join(*components)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/helper/omittable.rb b/src/arrow/ruby/red-arrow/test/helper/omittable.rb
new file mode 100644
index 000000000..a1c0334b6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/helper/omittable.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Helper
+ module Omittable
+ def require_gi_bindings(major, minor, micro)
+ return if GLib.check_binding_version?(major, minor, micro)
+ message =
+ "Require gobject-introspection #{major}.#{minor}.#{micro} or later: " +
+ GLib::BINDING_VERSION.join(".")
+ omit(message)
+ end
+
+ def require_gi(major, minor, micro)
+ return if GObjectIntrospection::Version.or_later?(major, minor, micro)
+ message =
+ "Require GObject Introspection #{major}.#{minor}.#{micro} or later: " +
+ GObjectIntrospection::Version::STRING
+ omit(message)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-basic-arrays.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-basic-arrays.rb
new file mode 100644
index 000000000..c80020666
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-basic-arrays.rb
@@ -0,0 +1,365 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsBasicArraysTests
+ def test_null
+ records = [
+ [nil],
+ [nil],
+ [nil],
+ [nil],
+ ]
+ target = build({column: :null}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [true],
+ [nil],
+ [false],
+ ]
+ target = build({column: :boolean}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [-(2 ** 7)],
+ [nil],
+ [(2 ** 7) - 1],
+ ]
+ target = build({column: :int8}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [0],
+ [nil],
+ [(2 ** 8) - 1],
+ ]
+ target = build({column: :uint8}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [-(2 ** 15)],
+ [nil],
+ [(2 ** 15) - 1],
+ ]
+ target = build({column: :int16}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [0],
+ [nil],
+ [(2 ** 16) - 1],
+ ]
+ target = build({column: :uint16}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [-(2 ** 31)],
+ [nil],
+ [(2 ** 31) - 1],
+ ]
+ target = build({column: :int32}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [0],
+ [nil],
+ [(2 ** 32) - 1],
+ ]
+ target = build({column: :uint32}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [-(2 ** 63)],
+ [nil],
+ [(2 ** 63) - 1],
+ ]
+ target = build({column: :int64}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [0],
+ [nil],
+ [(2 ** 64) - 1],
+ ]
+ target = build({column: :uint64}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [-1.0],
+ [nil],
+ [1.0],
+ ]
+ target = build({column: :float}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [-1.0],
+ [nil],
+ [1.0],
+ ]
+ target = build({column: :double}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ ["\x00".b],
+ [nil],
+ ["\xff".b],
+ ]
+ target = build({column: :binary}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_tring
+ records = [
+ ["Ruby"],
+ [nil],
+ ["\u3042"], # U+3042 HIRAGANA LETTER A
+ ]
+ target = build({column: :string}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [Date.new(1960, 1, 1)],
+ [nil],
+ [Date.new(2017, 8, 23)],
+ ]
+ target = build({column: :date32}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [DateTime.new(1960, 1, 1, 2, 9, 30)],
+ [nil],
+ [DateTime.new(2017, 8, 23, 14, 57, 2)],
+ ]
+ target = build({column: :date64}, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [Time.parse("1960-01-01T02:09:30Z")],
+ [nil],
+ [Time.parse("2017-08-23T14:57:02Z")],
+ ]
+ target = build({
+ column: {
+ type: :timestamp,
+ unit: :second,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [Time.parse("1960-01-01T02:09:30.123Z")],
+ [nil],
+ [Time.parse("2017-08-23T14:57:02.987Z")],
+ ]
+ target = build({
+ column: {
+ type: :timestamp,
+ unit: :milli,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [Time.parse("1960-01-01T02:09:30.123456Z")],
+ [nil],
+ [Time.parse("2017-08-23T14:57:02.987654Z")],
+ ]
+ target = build({
+ column: {
+ type: :timestamp,
+ unit: :micro,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [Time.parse("1960-01-01T02:09:30.123456789Z")],
+ [nil],
+ [Time.parse("2017-08-23T14:57:02.987654321Z")],
+ ]
+ target = build({
+ column: {
+ type: :timestamp,
+ unit: :nano,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ [Arrow::Time.new(unit, 60 * 10)], # 00:10:00
+ [nil],
+ [Arrow::Time.new(unit, 60 * 60 * 2 + 9)], # 02:00:09
+ ]
+ target = build({
+ column: {
+ type: :time32,
+ unit: :second,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ [Arrow::Time.new(unit, (60 * 10) * 1000 + 123)], # 00:10:00.123
+ [nil],
+ [Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1000 + 987)], # 02:00:09.987
+ ]
+ target = build({
+ column: {
+ type: :time32,
+ unit: :milli,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ # 00:10:00.123456
+ [Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)],
+ [nil],
+ # 02:00:09.987654
+ [Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000 + 987_654)],
+ ]
+ target = build({
+ column: {
+ type: :time64,
+ unit: :micro,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ # 00:10:00.123456789
+ [Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)],
+ [nil],
+ # 02:00:09.987654321
+ [Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000_000 + 987_654_321)],
+ ]
+ target = build({
+ column: {
+ type: :time64,
+ unit: :nano,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [BigDecimal("92.92")],
+ [nil],
+ [BigDecimal("29.29")],
+ ]
+ target = build({
+ column: {
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [BigDecimal("92.92")],
+ [nil],
+ [BigDecimal("29.29")],
+ ]
+ target = build({
+ column: {
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ }
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchBasicArraysTest < Test::Unit::TestCase
+ include RawRecordsBasicArraysTests
+
+ def build(schema, records)
+ Arrow::RecordBatch.new(schema, records)
+ end
+end
+
+class RawRecordsTableBasicArraysTest < Test::Unit::TestCase
+ include RawRecordsBasicArraysTests
+
+ def build(schema, records)
+ Arrow::Table.new(schema, records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-dense-union-array.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-dense-union-array.rb
new file mode 100644
index 000000000..8d94a77fe
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-dense-union-array.rb
@@ -0,0 +1,494 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsDenseUnionArrayTests
+ def build_schema(type, type_codes)
+ field_description = {}
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ {
+ column: {
+ type: :dense_union,
+ fields: [
+ field_description.merge(name: "0"),
+ field_description.merge(name: "1"),
+ ],
+ type_codes: type_codes,
+ },
+ }
+ end
+
+ # TODO: Use Arrow::RecordBatch.new(build_schema(type, type_codes), records)
+ def build_record_batch(type, records)
+ type_codes = [0, 1]
+ schema = Arrow::Schema.new(build_schema(type, type_codes))
+ type_ids = []
+ offsets = []
+ arrays = schema.fields[0].data_type.fields.collect do |field|
+ sub_schema = Arrow::Schema.new([field])
+ sub_records = []
+ records.each do |record|
+ column = record[0]
+ next if column.nil?
+ next unless column.key?(field.name)
+ sub_records << [column[field.name]]
+ end
+ sub_record_batch = Arrow::RecordBatch.new(sub_schema,
+ sub_records)
+ sub_record_batch.columns[0].data
+ end
+ records.each do |record|
+ column = record[0]
+ if column.key?("0")
+ type_id = type_codes[0]
+ type_ids << type_id
+ offsets << (type_ids.count(type_id) - 1)
+ elsif column.key?("1")
+ type_id = type_codes[1]
+ type_ids << type_id
+ offsets << (type_ids.count(type_id) - 1)
+ end
+ end
+ union_array = Arrow::DenseUnionArray.new(schema.fields[0].data_type,
+ Arrow::Int8Array.new(type_ids),
+ Arrow::Int32Array.new(offsets),
+ arrays)
+ schema = Arrow::Schema.new(column: union_array.value_data_type)
+ Arrow::RecordBatch.new(schema,
+ records.size,
+ [union_array])
+ end
+
+ def test_null
+ records = [
+ [{"0" => nil}],
+ ]
+ target = build(:null, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [{"0" => true}],
+ [{"1" => nil}],
+ ]
+ target = build(:boolean, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [{"0" => -(2 ** 7)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [{"0" => (2 ** 8) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [{"0" => -(2 ** 15)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [{"0" => (2 ** 16) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [{"0" => -(2 ** 31)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [{"0" => (2 ** 32) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [{"0" => -(2 ** 63)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [{"0" => (2 ** 64) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [{"0" => -1.0}],
+ [{"1" => nil}],
+ ]
+ target = build(:float, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [{"0" => -1.0}],
+ [{"1" => nil}],
+ ]
+ target = build(:double, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ [{"0" => "\xff".b}],
+ [{"1" => nil}],
+ ]
+ target = build(:binary, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_string
+ records = [
+ [{"0" => "Ruby"}],
+ [{"1" => nil}],
+ ]
+ target = build(:string, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [{"0" => Date.new(1960, 1, 1)}],
+ [{"1" => nil}],
+ ]
+ target = build(:date32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [{"0" => DateTime.new(1960, 1, 1, 2, 9, 30)}],
+ [{"1" => nil}],
+ ]
+ target = build(:date64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123456Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123456789Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ # 00:10:00
+ [{"0" => Arrow::Time.new(unit, 60 * 10)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ # 00:10:00.123
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ # 00:10:00.123456
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ # 00:10:00.123456789
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [{"0" => BigDecimal("92.92")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [{"0" => BigDecimal("92.92")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_list
+ records = [
+ [{"0" => [true, nil, false]}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_struct
+ records = [
+ [{"0" => {"sub_field" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"sub_field" => nil}}],
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_map
+ records = [
+ [{"0" => {"key1" => true, "key2" => nil}}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ records = [
+ [{"0" => {"field1" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ records = [
+ [{"0" => {"field1" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ records = [
+ [{"0" => "Ruby"}],
+ [{"1" => nil}],
+ [{"0" => "GLib"}],
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchDenseUnionArrayTest < Test::Unit::TestCase
+ include RawRecordsDenseUnionArrayTests
+
+ def build(type, records)
+ build_record_batch(type, records)
+ end
+end
+
+class RawRecordsTableDenseUnionArrayTest < Test::Unit::TestCase
+ include RawRecordsDenseUnionArrayTests
+
+ def build(type, records)
+ build_record_batch(type, records).to_table
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-list-array.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-list-array.rb
new file mode 100644
index 000000000..6d7d4c079
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-list-array.rb
@@ -0,0 +1,571 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsListArrayTests
+ def build_schema(type)
+ field_description = {
+ name: :element,
+ }
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ {
+ column: {
+ type: :list,
+ field: field_description,
+ },
+ }
+ end
+
+ def test_null
+ records = [
+ [[nil, nil, nil]],
+ [nil],
+ ]
+ target = build(:null, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [[true, nil, false]],
+ [nil],
+ ]
+ target = build(:boolean, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [[-(2 ** 7), nil, (2 ** 7) - 1]],
+ [nil],
+ ]
+ target = build(:int8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [[0, nil, (2 ** 8) - 1]],
+ [nil],
+ ]
+ target = build(:uint8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [[-(2 ** 15), nil, (2 ** 15) - 1]],
+ [nil],
+ ]
+ target = build(:int16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [[0, nil, (2 ** 16) - 1]],
+ [nil],
+ ]
+ target = build(:uint16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [[-(2 ** 31), nil, (2 ** 31) - 1]],
+ [nil],
+ ]
+ target = build(:int32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [[0, nil, (2 ** 32) - 1]],
+ [nil],
+ ]
+ target = build(:uint32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [[-(2 ** 63), nil, (2 ** 63) - 1]],
+ [nil],
+ ]
+ target = build(:int64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [[0, nil, (2 ** 64) - 1]],
+ [nil],
+ ]
+ target = build(:uint64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [[-1.0, nil, 1.0]],
+ [nil],
+ ]
+ target = build(:float, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [[-1.0, nil, 1.0]],
+ [nil],
+ ]
+ target = build(:double, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ [["\x00".b, nil, "\xff".b]],
+ [nil],
+ ]
+ target = build(:binary, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_string
+ records = [
+ [
+ [
+ "Ruby",
+ nil,
+ "\u3042", # U+3042 HIRAGANA LETTER A
+ ],
+ ],
+ [nil],
+ ]
+ target = build(:string, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [
+ [
+ Date.new(1960, 1, 1),
+ nil,
+ Date.new(2017, 8, 23),
+ ],
+ ],
+ [nil],
+ ]
+ target = build(:date32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [
+ [
+ DateTime.new(1960, 1, 1, 2, 9, 30),
+ nil,
+ DateTime.new(2017, 8, 23, 14, 57, 2),
+ ],
+ ],
+ [nil],
+ ]
+ target = build(:date64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [
+ [
+ Time.parse("1960-01-01T02:09:30Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02Z"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [
+ [
+ Time.parse("1960-01-01T02:09:30.123Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987Z"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [
+ [
+ Time.parse("1960-01-01T02:09:30.123456Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654Z"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [
+ [
+ Time.parse("1960-01-01T02:09:30.123456789Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654321Z"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ [
+ [
+ # 00:10:00
+ Arrow::Time.new(unit, 60 * 10),
+ nil,
+ # 02:00:09
+ Arrow::Time.new(unit, 60 * 60 * 2 + 9),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ [
+ [
+ # 00:10:00.123
+ Arrow::Time.new(unit, (60 * 10) * 1000 + 123),
+ nil,
+ # 02:00:09.987
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1000 + 987),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ [
+ [
+ # 00:10:00.123456
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456),
+ nil,
+ # 02:00:09.987654
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000 + 987_654),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ [
+ [
+ # 00:10:00.123456789
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789),
+ nil,
+ # 02:00:09.987654321
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000_000 + 987_654_321),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [
+ [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [
+ [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_list
+ records = [
+ [
+ [
+ [
+ true,
+ nil,
+ ],
+ nil,
+ [
+ nil,
+ false,
+ ],
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_struct
+ records = [
+ [
+ [
+ {"field" => true},
+ nil,
+ {"field" => nil},
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :field,
+ type: :boolean,
+ },
+ ],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_map
+ records = [
+ [
+ [
+ {"key1" => true, "key2" => nil},
+ nil,
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_sparse
+ omit("Need to add support for SparseUnionArrayBuilder")
+ records = [
+ [
+ [
+ {"field1" => true},
+ nil,
+ {"field2" => nil},
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dense
+ omit("Need to add support for DenseUnionArrayBuilder")
+ records = [
+ [
+ [
+ {"field1" => true},
+ nil,
+ {"field2" => nil},
+ ],
+ ],
+ [nil],
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ records = [
+ [
+ [
+ "Ruby",
+ nil,
+ "GLib",
+ ],
+ ],
+ [nil],
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchListArrayTest < Test::Unit::TestCase
+ include RawRecordsListArrayTests
+
+ def build(type, records)
+ Arrow::RecordBatch.new(build_schema(type), records)
+ end
+end
+
+class RawRecordsTableListArrayTest < Test::Unit::TestCase
+ include RawRecordsListArrayTests
+
+ def build(type, records)
+ Arrow::Table.new(build_schema(type), records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-map-array.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-map-array.rb
new file mode 100644
index 000000000..c5abb7d77
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-map-array.rb
@@ -0,0 +1,441 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsMapArrayTests
+ def build_schema(type)
+ {
+ column: {
+ type: :map,
+ key: :string,
+ item: type
+ },
+ }
+ end
+
+ def test_null
+ records = [
+ [{"key1" => nil}],
+ [nil],
+ ]
+ target = build(:null, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [{"key1" => true, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:boolean, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [{"key1" => -(2 ** 7), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:int8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [{"key1" => (2 ** 8) - 1, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:uint8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [{"key1" => -(2 ** 15), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:int16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [{"key1" => (2 ** 16) - 1, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:uint16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [{"key1" => -(2 ** 31), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:int32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [{"key1" => (2 ** 32) - 1, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:uint32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [{"key1" => -(2 ** 63), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:int64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [{"key1" => (2 ** 64) - 1, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:uint64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [{"key1" => -1.0, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:float, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [{"key1" => -1.0, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:double, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ [{"key1" => "\xff".b, "key2" => nil}],
+ [nil],
+ ]
+ target = build(:binary, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_string
+ records = [
+ [{"key1" => "Ruby", "key2" => nil}],
+ [nil],
+ ]
+ target = build(:string, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [{"key1" => Date.new(1960, 1, 1), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:date32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [{"key1" => DateTime.new(1960, 1, 1, 2, 9, 30), "key2" => nil}],
+ [nil],
+ ]
+ target = build(:date64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [{"key1" => Time.parse("1960-01-01T02:09:30Z"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [{"key1" => Time.parse("1960-01-01T02:09:30.123Z"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [{"key1" => Time.parse("1960-01-01T02:09:30.123456Z"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [{"key1" => Time.parse("1960-01-01T02:09:30.123456789Z"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ # 00:10:00
+ [{"key1" => Arrow::Time.new(unit, 60 * 10), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ # 00:10:00.123
+ [{"key1" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ # 00:10:00.123456
+ [{"key1" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ # 00:10:00.123456789
+ [{"key1" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [{"key1" => BigDecimal("92.92"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [{"key1" => BigDecimal("92.92"), "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_list
+ records = [
+ [{"key1" => [true, nil, false], "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :element,
+ type: :boolean,
+ },
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_struct
+ records = [
+ [{"key1" => {"field" => true}, "key2" => nil, "key3" => {"field" => nil}}],
+ [nil],
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :field,
+ type: :boolean,
+ },
+ ],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_map
+ records = [
+ [{"key1" => {"sub_key1" => true, "sub_key2" => nil}, "key2" => nil}],
+ [nil],
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ records = [
+ [{"key1" => {"field" => true, "key2" => nil, "key3" => {"field" => nil}}}],
+ [nil],
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ records = [
+ [{"key1" => {"field1" => true}, "key2" => nil, "key3" => {"field2" => nil}}],
+ [nil],
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ records = [
+ [{"key1" => "Ruby", "key2" => nil, "key3" => "GLib"}],
+ [nil],
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchMapArrayTest < Test::Unit::TestCase
+ include RawRecordsMapArrayTests
+
+ def build(type, records)
+ Arrow::RecordBatch.new(build_schema(type), records)
+ end
+end
+
+class RawRecordsTableMapArrayTest < Test::Unit::TestCase
+ include RawRecordsMapArrayTests
+
+ def build(type, records)
+ Arrow::Table.new(build_schema(type), records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-multiple-columns.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-multiple-columns.rb
new file mode 100644
index 000000000..50dff67ce
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-multiple-columns.rb
@@ -0,0 +1,65 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsMultipleColumnsTests
+ def test_3_elements
+ records = [
+ [true, nil, "Ruby"],
+ [nil, 0, "GLib"],
+ [false, 2 ** 8 - 1, nil],
+ ]
+ target = build([
+ {name: :column0, type: :boolean},
+ {name: :column1, type: :uint8},
+ {name: :column2, type: :string},
+ ],
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_4_elements
+ records = [
+ [true, nil, "Ruby", -(2 ** 63)],
+ [nil, 0, "GLib", nil],
+ [false, 2 ** 8 - 1, nil, (2 ** 63) - 1],
+ ]
+ target = build([
+ {name: :column0, type: :boolean},
+ {name: :column1, type: :uint8},
+ {name: :column2, type: :string},
+ {name: :column3, type: :int64},
+ ],
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchMultipleColumnsTest < Test::Unit::TestCase
+ include RawRecordsMultipleColumnsTests
+
+ def build(schema, records)
+ Arrow::RecordBatch.new(schema, records)
+ end
+end
+
+class RawRecordsTableMultipleColumnsTest < Test::Unit::TestCase
+ include RawRecordsMultipleColumnsTests
+
+ def build(schema, records)
+ Arrow::Table.new(schema, records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-sparse-union-array.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-sparse-union-array.rb
new file mode 100644
index 000000000..415401216
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-sparse-union-array.rb
@@ -0,0 +1,484 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsSparseUnionArrayTests
+ def build_schema(type, type_codes)
+ field_description = {}
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ {
+ column: {
+ type: :sparse_union,
+ fields: [
+ field_description.merge(name: "0"),
+ field_description.merge(name: "1"),
+ ],
+ type_codes: type_codes,
+ },
+ }
+ end
+
+ # TODO: Use Arrow::RecordBatch.new(build_schema(type, type_codes), records)
+ def build_record_batch(type, records)
+ type_codes = [0, 1]
+ schema = Arrow::Schema.new(build_schema(type, type_codes))
+ type_ids = []
+ arrays = schema.fields[0].data_type.fields.collect do |field|
+ sub_schema = Arrow::Schema.new([field])
+ sub_records = records.collect do |record|
+ [record[0].nil? ? nil : record[0][field.name]]
+ end
+ sub_record_batch = Arrow::RecordBatch.new(sub_schema,
+ sub_records)
+ sub_record_batch.columns[0].data
+ end
+ records.each do |record|
+ column = record[0]
+ if column.key?("0")
+ type_ids << type_codes[0]
+ elsif column.key?("1")
+ type_ids << type_codes[1]
+ end
+ end
+ union_array = Arrow::SparseUnionArray.new(schema.fields[0].data_type,
+ Arrow::Int8Array.new(type_ids),
+ arrays)
+ schema = Arrow::Schema.new(column: union_array.value_data_type)
+ Arrow::RecordBatch.new(schema,
+ records.size,
+ [union_array])
+ end
+
+ def test_null
+ records = [
+ [{"0" => nil}],
+ ]
+ target = build(:null, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [{"0" => true}],
+ [{"1" => nil}],
+ ]
+ target = build(:boolean, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [{"0" => -(2 ** 7)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [{"0" => (2 ** 8) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [{"0" => -(2 ** 15)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [{"0" => (2 ** 16) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [{"0" => -(2 ** 31)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [{"0" => (2 ** 32) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [{"0" => -(2 ** 63)}],
+ [{"1" => nil}],
+ ]
+ target = build(:int64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [{"0" => (2 ** 64) - 1}],
+ [{"1" => nil}],
+ ]
+ target = build(:uint64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [{"0" => -1.0}],
+ [{"1" => nil}],
+ ]
+ target = build(:float, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [{"0" => -1.0}],
+ [{"1" => nil}],
+ ]
+ target = build(:double, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ [{"0" => "\xff".b}],
+ [{"1" => nil}],
+ ]
+ target = build(:binary, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_string
+ records = [
+ [{"0" => "Ruby"}],
+ [{"1" => nil}],
+ ]
+ target = build(:string, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [{"0" => Date.new(1960, 1, 1)}],
+ [{"1" => nil}],
+ ]
+ target = build(:date32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [{"0" => DateTime.new(1960, 1, 1, 2, 9, 30)}],
+ [{"1" => nil}],
+ ]
+ target = build(:date64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123456Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [{"0" => Time.parse("1960-01-01T02:09:30.123456789Z")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ # 00:10:00
+ [{"0" => Arrow::Time.new(unit, 60 * 10)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ # 00:10:00.123
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ # 00:10:00.123456
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ # 00:10:00.123456789
+ [{"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [{"0" => BigDecimal("92.92")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [{"0" => BigDecimal("92.92")}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_list
+ records = [
+ [{"0" => [true, nil, false]}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_struct
+ records = [
+ [{"0" => {"sub_field" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"sub_field" => nil}}],
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_map
+ records = [
+ [{"0" => {"key1" => true, "key2" => nil}}],
+ [{"1" => nil}],
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ records = [
+ [{"0" => {"field1" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ records = [
+ [{"0" => {"field1" => true}}],
+ [{"1" => nil}],
+ [{"0" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ records = [
+ [{"0" => "Ruby"}],
+ [{"1" => nil}],
+ [{"0" => "GLib"}],
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchSparseUnionArrayTest < Test::Unit::TestCase
+ include RawRecordsSparseUnionArrayTests
+
+ def build(type, records)
+ build_record_batch(type, records)
+ end
+end
+
+class RawRecordsTableSparseUnionArrayTest < Test::Unit::TestCase
+ include RawRecordsSparseUnionArrayTests
+
+ def build(type, records)
+ build_record_batch(type, records).to_table
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-struct-array.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-struct-array.rb
new file mode 100644
index 000000000..6c01facf8
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-struct-array.rb
@@ -0,0 +1,485 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module RawRecordsStructArrayTests
+ def build_schema(type)
+ field_description = {
+ name: :field,
+ }
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ {
+ column: {
+ type: :struct,
+ fields: [
+ field_description,
+ ],
+ },
+ }
+ end
+
+ def test_null
+ records = [
+ [{"field" => nil}],
+ [nil],
+ ]
+ target = build(:null, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_boolean
+ records = [
+ [{"field" => true}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:boolean, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int8
+ records = [
+ [{"field" => -(2 ** 7)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:int8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint8
+ records = [
+ [{"field" => (2 ** 8) - 1}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:uint8, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int16
+ records = [
+ [{"field" => -(2 ** 15)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:int16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint16
+ records = [
+ [{"field" => (2 ** 16) - 1}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:uint16, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int32
+ records = [
+ [{"field" => -(2 ** 31)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:int32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint32
+ records = [
+ [{"field" => (2 ** 32) - 1}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:uint32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_int64
+ records = [
+ [{"field" => -(2 ** 63)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:int64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_uint64
+ records = [
+ [{"field" => (2 ** 64) - 1}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:uint64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_float
+ records = [
+ [{"field" => -1.0}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:float, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_double
+ records = [
+ [{"field" => -1.0}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:double, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_binary
+ records = [
+ [{"field" => "\xff".b}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:binary, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_string
+ records = [
+ [{"field" => "Ruby"}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:string, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date32
+ records = [
+ [{"field" => Date.new(1960, 1, 1)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:date32, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_date64
+ records = [
+ [{"field" => DateTime.new(1960, 1, 1, 2, 9, 30)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build(:date64, records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_second
+ records = [
+ [{"field" => Time.parse("1960-01-01T02:09:30Z")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_milli
+ records = [
+ [{"field" => Time.parse("1960-01-01T02:09:30.123Z")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_micro
+ records = [
+ [{"field" => Time.parse("1960-01-01T02:09:30.123456Z")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_timestamp_nano
+ records = [
+ [{"field" => Time.parse("1960-01-01T02:09:30.123456789Z")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ records = [
+ # 00:10:00
+ [{"field" => Arrow::Time.new(unit, 60 * 10)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ records = [
+ # 00:10:00.123
+ [{"field" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ records = [
+ # 00:10:00.123456
+ [{"field" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ records = [
+ # 00:10:00.123456789
+ [{"field" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal128
+ records = [
+ [{"field" => BigDecimal("92.92")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_decimal256
+ records = [
+ [{"field" => BigDecimal("92.92")}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_list
+ records = [
+ [{"field" => [true, nil, false]}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_struct
+ records = [
+ [{"field" => {"sub_field" => true}}],
+ [nil],
+ [{"field" => nil}],
+ [{"field" => {"sub_field" => nil}}],
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_map
+ records = [
+ [{"field" => {"key1" => true, "key2" => nil}}],
+ [nil],
+ [{"field" => nil}],
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ records = [
+ [{"field" => {"field1" => true}}],
+ [nil],
+ [{"field" => nil}],
+ [{"field" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ records = [
+ [{"field" => {"field1" => true}}],
+ [nil],
+ [{"field" => nil}],
+ [{"field" => {"field2" => nil}}],
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ records = [
+ [{"field" => "Ruby"}],
+ [nil],
+ [{"field" => nil}],
+ [{"field" => "GLib"}],
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ records)
+ assert_equal(records, target.raw_records)
+ end
+end
+
+class RawRecordsRecordBatchStructArrayTest < Test::Unit::TestCase
+ include RawRecordsStructArrayTests
+
+ def build(type, records)
+ Arrow::RecordBatch.new(build_schema(type), records)
+ end
+end
+
+class RawRecordsTableStructArrayTest < Test::Unit::TestCase
+ include RawRecordsStructArrayTests
+
+ def build(type, records)
+ Arrow::Table.new(build_schema(type), records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/raw-records/test-table.rb b/src/arrow/ruby/red-arrow/test/raw-records/test-table.rb
new file mode 100644
index 000000000..ae90217c2
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/raw-records/test-table.rb
@@ -0,0 +1,47 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RawRecordsTableTest < Test::Unit::TestCase
+ test("2 arrays") do
+ raw_record_batches = [
+ [
+ [true, nil, "Ruby"],
+ [nil, 0, "GLib"],
+ [false, 2 ** 8 - 1, nil],
+ ],
+ [
+ [nil, 10, "A"],
+ [true, 20, "B"],
+ [false, nil, "C"],
+ [nil, 40, nil],
+ ]
+ ]
+ raw_records = raw_record_batches.inject do |all_records, record_batch|
+ all_records + record_batch
+ end
+ schema = [
+ {name: :column0, type: :boolean},
+ {name: :column1, type: :uint8},
+ {name: :column2, type: :string},
+ ]
+ record_batches = raw_record_batches.collect do |record_batch|
+ Arrow::RecordBatch.new(schema, record_batch)
+ end
+ table = Arrow::Table.new(schema, record_batches)
+ assert_equal(raw_records, table.raw_records)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/run-test.rb b/src/arrow/ruby/red-arrow/test/run-test.rb
new file mode 100755
index 000000000..41ab73cb6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/run-test.rb
@@ -0,0 +1,71 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "fileutils"
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+
+lib_dir = base_dir + "lib"
+ext_dir = base_dir + "ext" + "arrow"
+test_dir = base_dir + "test"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ build_dir = File.join(build_dir, "red-arrow")
+ FileUtils.mkdir_p(build_dir)
+else
+ build_dir = ext_dir
+end
+
+make = nil
+if ENV["NO_MAKE"] != "yes"
+ if ENV["MAKE"]
+ make = ENV["MAKE"]
+ elsif system("which gmake > #{File::NULL} 2>&1")
+ make = "gmake"
+ elsif system("which make > #{File::NULL} 2>&1")
+ make = "make"
+ end
+end
+if make
+ Dir.chdir(build_dir.to_s) do
+ unless File.exist?("Makefile")
+ system(RbConfig.ruby,
+ (ext_dir + "extconf.rb").to_s,
+ "--enable-debug-build") or exit(false)
+ end
+ system("#{make} > #{File::NULL}") or exit(false)
+ end
+end
+
+$LOAD_PATH.unshift(build_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+ENV["TEST_UNIT_MAX_DIFF_TARGET_STRING_SIZE"] ||= "10000"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-arrow/test/test-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-array-builder.rb
new file mode 100644
index 000000000..318167d51
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-array-builder.rb
@@ -0,0 +1,136 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ArrayBuilderTest < Test::Unit::TestCase
+ sub_test_case(".build") do
+ def assert_build(builder_class, raw_array)
+ array = builder_class.build(raw_array)
+ assert_equal(raw_array, array.to_a)
+ end
+
+ sub_test_case("generic builder") do
+ test("strings") do
+ assert_build(Arrow::ArrayBuilder,
+ ["Hello", nil, "World"])
+ end
+
+ test("symbols") do
+ array = Arrow::ArrayBuilder.build([:hello, nil, :world])
+ expected_builder = Arrow::StringDictionaryArrayBuilder.new
+ assert_equal(expected_builder.build(["hello", nil, "world"]),
+ array)
+ end
+
+ test("boolean") do
+ assert_build(Arrow::ArrayBuilder,
+ [true, nil, false])
+ end
+
+ test("positive integers") do
+ assert_build(Arrow::ArrayBuilder,
+ [1, nil, 2, nil, 3])
+ end
+
+ test("negative integers") do
+ assert_build(Arrow::ArrayBuilder,
+ [nil, -1, nil, -2, nil, -3])
+ end
+
+ test("times") do
+ assert_build(Arrow::ArrayBuilder,
+ [Time.at(0), Time.at(1), Time.at(2)])
+ end
+
+ test("dates") do
+ assert_build(Arrow::ArrayBuilder,
+ [Date.new(2018, 1, 4), Date.new(2018, 1, 5)])
+ end
+
+ test("datetimes") do
+ assert_build(Arrow::ArrayBuilder,
+ [
+ DateTime.new(2018, 1, 4, 23, 18, 23),
+ DateTime.new(2018, 1, 5, 0, 23, 21),
+ ])
+ end
+
+ test("list<boolean>s") do
+ assert_build(Arrow::ArrayBuilder,
+ [
+ [nil, true, false],
+ nil,
+ [false],
+ ])
+ end
+
+ test("list<string>s") do
+ assert_build(Arrow::ArrayBuilder,
+ [
+ ["Hello", "World"],
+ ["Apache Arrow"],
+ ])
+ end
+ end
+
+ sub_test_case("specific builder") do
+ test("empty") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [])
+ end
+
+ test("values") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [1, -2])
+ end
+
+ test("values, nils") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [1, -2, nil, nil])
+ end
+
+ test("values, nils, values") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [1, -2, nil, nil, 3, -4])
+ end
+
+ test("values, nils, values, nils") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [1, -2, nil, nil, 3, -4, nil, nil])
+ end
+
+ test("nils") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [nil, nil])
+ end
+
+ test("nils, values") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [nil, nil, 3, -4])
+ end
+
+ test("nils, values, nil") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [nil, nil, 3, -4, nil, nil])
+ end
+
+ test("nils, values, nil, values") do
+ assert_build(Arrow::Int32ArrayBuilder,
+ [nil, nil, 3, -4, nil, nil, 5, -6])
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-array.rb b/src/arrow/ruby/red-arrow/test/test-array.rb
new file mode 100644
index 000000000..2b7112da6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-array.rb
@@ -0,0 +1,325 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Boolean") do
+ array = Arrow::BooleanArray.new([true, false, true])
+ assert_equal([true, false, true],
+ array.to_a)
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @values = [true, false, nil, true]
+ @array = Arrow::BooleanArray.new(@values)
+ end
+
+ test("#each") do
+ assert_equal(@values, @array.to_a)
+ end
+
+ sub_test_case("#[]") do
+ test("valid range") do
+ assert_equal(@values,
+ @array.length.times.collect {|i| @array[i]})
+ end
+
+ test("out of range") do
+ assert_nil(@array[@array.length])
+ end
+
+ test("negative index") do
+ assert_equal(@values.last,
+ @array[-1])
+ end
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Array") do
+ assert do
+ @array == @array
+ end
+ end
+
+ test("not Arrow::Array") do
+ assert do
+ not (@array == 29)
+ end
+ end
+ end
+
+ sub_test_case("#equal_array?") do
+ test("no options") do
+ array1 = Arrow::FloatArray.new([1.1, Float::NAN])
+ array2 = Arrow::FloatArray.new([1.1, Float::NAN])
+ assert do
+ not array1.equal_array?(array2)
+ end
+ end
+
+ test("approx") do
+ array1 = Arrow::FloatArray.new([1.1])
+ array2 = Arrow::FloatArray.new([1.100001])
+ assert do
+ array1.equal_array?(array2, approx: true)
+ end
+ end
+
+ test("nans-equal") do
+ array1 = Arrow::FloatArray.new([1.1, Float::NAN])
+ array2 = Arrow::FloatArray.new([1.1, Float::NAN])
+ assert do
+ array1.equal_array?(array2, nans_equal: true)
+ end
+ end
+
+ test("absolute-tolerance") do
+ array1 = Arrow::FloatArray.new([1.1])
+ array2 = Arrow::FloatArray.new([1.101])
+ assert do
+ array1.equal_array?(array2, approx: true, absolute_tolerance: 0.01)
+ end
+ end
+ end
+
+ sub_test_case("#cast") do
+ test("Symbol") do
+ assert_equal(Arrow::Int32Array.new([1, 2, 3]),
+ Arrow::StringArray.new(["1", "2", "3"]).cast(:int32))
+ end
+ end
+ end
+
+ sub_test_case("#filter") do
+ def setup
+ values = [true, false, false, true]
+ @array = Arrow::BooleanArray.new(values)
+ @options = Arrow::FilterOptions.new
+ @options.null_selection_behavior = :emit_null
+ end
+
+ test("Array: boolean") do
+ filter = [nil, true, true, false]
+ filtered_array = Arrow::BooleanArray.new([nil, false, false])
+ assert_equal(filtered_array,
+ @array.filter(filter, @options))
+ end
+
+ test("Arrow::BooleanArray") do
+ filter = Arrow::BooleanArray.new([nil, true, true, false])
+ filtered_array = Arrow::BooleanArray.new([nil, false, false])
+ assert_equal(filtered_array,
+ @array.filter(filter, @options))
+ end
+
+ test("Arrow::ChunkedArray") do
+ chunks = [
+ Arrow::BooleanArray.new([nil, true]),
+ Arrow::BooleanArray.new([true, false]),
+ ]
+ filter = Arrow::ChunkedArray.new(chunks)
+ filtered_array = Arrow::BooleanArray.new([nil, false, false])
+ assert_equal(filtered_array,
+ @array.filter(filter, @options))
+ end
+ end
+
+ sub_test_case("#take") do
+ def setup
+ values = [1, 0 ,2]
+ @array = Arrow::Int16Array.new(values)
+ end
+
+ test("Arrow: boolean") do
+ indices = [1, 0, 2]
+ assert_equal(Arrow::Int16Array.new([0, 1, 2]),
+ @array.take(indices))
+ end
+
+ test("Arrow::Array") do
+ indices = Arrow::Int16Array.new([1, 0, 2])
+ assert_equal(Arrow::Int16Array.new([0, 1, 2]),
+ @array.take(indices))
+ end
+
+ test("Arrow::ChunkedArray") do
+ taken_chunks = [
+ Arrow::Int16Array.new([0, 1]),
+ Arrow::Int16Array.new([2])
+ ]
+ taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks)
+ indices_chunks = [
+ Arrow::Int16Array.new([1, 0]),
+ Arrow::Int16Array.new([2])
+ ]
+ indices = Arrow::ChunkedArray.new(indices_chunks)
+ assert_equal(taken_chunked_array,
+ @array.take(indices))
+ end
+ end
+
+ sub_test_case("#is_in") do
+ def setup
+ values = [1, 0, 1, 2]
+ @array = Arrow::Int16Array.new(values)
+ end
+
+ test("Arrow: Array") do
+ right = [2, 0]
+ assert_equal(Arrow::BooleanArray.new([false, true, false, true]),
+ @array.is_in(right))
+ end
+
+ test("Arrow::Array") do
+ right = Arrow::Int16Array.new([2, 0])
+ assert_equal(Arrow::BooleanArray.new([false, true, false, true]),
+ @array.is_in(right))
+ end
+
+ test("Arrow::ChunkedArray") do
+ chunks = [
+ Arrow::Int16Array.new([1, 4]),
+ Arrow::Int16Array.new([0, 3])
+ ]
+ right = Arrow::ChunkedArray.new(chunks)
+ assert_equal(Arrow::BooleanArray.new([true, true, true, false]),
+ @array.is_in(right))
+ end
+ end
+
+ sub_test_case("#concatenate") do
+ test("Arrow::Array: same") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,5, 6]),
+ Arrow::Int32Array.new([1, 2, nil]).
+ concatenate(Arrow::Int32Array.new([4, 5]),
+ Arrow::Int32Array.new([6])))
+ end
+
+ test("Arrow::Array: castable") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,5, 6]),
+ Arrow::Int32Array.new([1, 2, nil]).
+ concatenate(Arrow::Int8Array.new([4, 5]),
+ Arrow::UInt32Array.new([6])))
+ end
+
+ test("Arrow::Array: non-castable") do
+ assert_raise(Arrow::Error::Invalid) do
+ Arrow::Int32Array.new([1, 2, nil]).
+ concatenate(Arrow::StringArray.new(["X"]))
+ end
+ end
+
+ test("Array") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,nil, 6]),
+ Arrow::Int32Array.new([1, 2, nil]).
+ concatenate([4, nil],
+ [6]))
+ end
+
+ test("invalid") do
+ message = "[array][resolve] can't build int32 array: 4"
+ assert_raise(ArgumentError.new(message)) do
+ Arrow::Int32Array.new([1, 2, nil]).
+ concatenate(4)
+ end
+ end
+ end
+
+ sub_test_case("#+") do
+ test("Arrow::Array: same") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,5, 6]),
+ Arrow::Int32Array.new([1, 2, nil]) +
+ Arrow::Int32Array.new([4, 5, 6]))
+ end
+
+ test("Arrow::Array: castable") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,5, 6]),
+ Arrow::Int32Array.new([1, 2, nil]) +
+ Arrow::Int8Array.new([4, 5, 6]))
+ end
+
+ test("Arrow::Array: non-castable") do
+ assert_raise(Arrow::Error::Invalid) do
+ Arrow::Int32Array.new([1, 2, nil]) +
+ Arrow::StringArray.new(["X"])
+ end
+ end
+
+ test("Array") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil, 4 ,nil, 6]),
+ Arrow::Int32Array.new([1, 2, nil]) +
+ [4, nil, 6])
+ end
+
+ test("invalid") do
+ message = "[array][resolve] can't build int32 array: 4"
+ assert_raise(ArgumentError.new(message)) do
+ Arrow::Int32Array.new([1, 2, nil]) + 4
+ end
+ end
+ end
+
+ sub_test_case("#resolve") do
+ test("Arrow::Array: same") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil]),
+ Arrow::Int32Array.new([]).
+ resolve(Arrow::Int32Array.new([1, 2, nil])))
+ end
+
+ test("Arrow::Array: castable") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil]),
+ Arrow::Int32Array.new([]).
+ resolve(Arrow::Int8Array.new([1, 2, nil])))
+ end
+
+ test("Arrow::Array: non-castable") do
+ assert_raise(Arrow::Error::Invalid) do
+ Arrow::Int32Array.new([]) +
+ Arrow::StringArray.new(["X"])
+ end
+ end
+
+ test("Array: non-parametric") do
+ assert_equal(Arrow::Int32Array.new([1, 2, nil]),
+ Arrow::Int32Array.new([]).
+ resolve([1, 2, nil]))
+ end
+
+ test("Array: parametric") do
+ list_data_type = Arrow::ListDataType.new(name: "visible", type: :boolean)
+ list_array = Arrow::ListArray.new(list_data_type, [])
+ assert_equal(Arrow::ListArray.new(list_data_type,
+ [
+ [true, false],
+ nil,
+ ]),
+ list_array.resolve([
+ [true, false],
+ nil,
+ ]))
+ end
+
+ test("invalid") do
+ message = "[array][resolve] can't build int32 array: 4"
+ assert_raise(ArgumentError.new(message)) do
+ Arrow::Int32Array.new([]).resolve(4)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-bigdecimal.rb b/src/arrow/ruby/red-arrow/test/test-bigdecimal.rb
new file mode 100644
index 000000000..424f12d39
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-bigdecimal.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class BigDecimalTest < Test::Unit::TestCase
+ sub_test_case("#to_arrow") do
+ def test_128_positive
+ assert_equal(Arrow::Decimal128.new("0.1e38"),
+ BigDecimal("0.1e38").to_arrow)
+ end
+
+ def test_128_negative
+ assert_equal(Arrow::Decimal128.new("-0.1e38"),
+ BigDecimal("-0.1e38").to_arrow)
+ end
+
+ def test_256_positive
+ assert_equal(Arrow::Decimal256.new("0.1e39"),
+ BigDecimal("0.1e39").to_arrow)
+ end
+
+ def test_256_negative
+ assert_equal(Arrow::Decimal256.new("-0.1e39"),
+ BigDecimal("-0.1e39").to_arrow)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-binary-dictionary-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-binary-dictionary-array-builder.rb
new file mode 100644
index 000000000..743dbae5e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-binary-dictionary-array-builder.rb
@@ -0,0 +1,103 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class BinaryDictionaryArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @builder = Arrow::BinaryDictionaryArrayBuilder.new
+ end
+
+ sub_test_case("#append_values") do
+ test("[nil]") do
+ @builder.append_values([nil])
+ array = @builder.finish
+ assert_equal([
+ [],
+ [nil],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[String]") do
+ @builder.append_values(["he\xffllo"])
+ array = @builder.finish
+ assert_equal([
+ ["he\xffllo".b],
+ [0],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[Symbol]") do
+ @builder.append_values([:hello])
+ array = @builder.finish
+ assert_equal([
+ ["hello"],
+ [0],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[nil, String, Symbol]") do
+ @builder.append_values([
+ nil,
+ "He\xffllo",
+ :world,
+ "world",
+ ])
+ array = @builder.finish
+ assert_equal([
+ ["He\xffllo".b, "world"],
+ [nil, 0, 1, 1],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ "He\xffllo",
+ :world,
+ :goodbye,
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ ["He\xffllo".b, "goodbye"],
+ [0, nil, 1],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-boolean-scalar.rb b/src/arrow/ruby/red-arrow/test/test-boolean-scalar.rb
new file mode 100644
index 000000000..1053d1716
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-boolean-scalar.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class BooleanScalarTest < Test::Unit::TestCase
+ def setup
+ @scalar = Arrow::BooleanScalar.new(true)
+ end
+
+ test("#value") do
+ assert_equal(true, @scalar.value)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-buffer.rb b/src/arrow/ruby/red-arrow/test/test-buffer.rb
new file mode 100644
index 000000000..b47a1abba
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-buffer.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class BufferTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("GC") do
+ data = "Hello"
+ data_id = data.object_id
+ _buffer = Arrow::Buffer.new(data)
+ data = nil
+ GC.start
+ assert_equal("Hello", ObjectSpace._id2ref(data_id))
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @buffer = Arrow::Buffer.new("Hello")
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Buffer") do
+ assert do
+ @buffer == @buffer
+ end
+ end
+
+ test("not Arrow::Buffer") do
+ assert do
+ not (@buffer == 29)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-chunked-array.rb b/src/arrow/ruby/red-arrow/test/test-chunked-array.rb
new file mode 100644
index 000000000..3785e9868
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-chunked-array.rb
@@ -0,0 +1,183 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ChunkedArrayTest < Test::Unit::TestCase
+ test("#each") do
+ arrays = [
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([nil, true]),
+ ]
+ chunked_array = Arrow::ChunkedArray.new(arrays)
+ assert_equal([true, false, nil, true],
+ chunked_array.to_a)
+ end
+
+ sub_test_case("#pack") do
+ test("basic array") do
+ arrays = [
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([nil, true]),
+ ]
+ chunked_array = Arrow::ChunkedArray.new(arrays)
+ packed_chunked_array = chunked_array.pack
+ assert_equal([
+ Arrow::BooleanArray,
+ [true, false, nil, true],
+ ],
+ [
+ packed_chunked_array.class,
+ packed_chunked_array.to_a,
+ ])
+ end
+
+ test("TimestampArray") do
+ type = Arrow::TimestampDataType.new(:nano)
+ arrays = [
+ Arrow::TimestampArrayBuilder.new(type).build([Time.at(0)]),
+ Arrow::TimestampArrayBuilder.new(type).build([Time.at(1)]),
+ ]
+ chunked_array = Arrow::ChunkedArray.new(arrays)
+ packed_chunked_array = chunked_array.pack
+ assert_equal([
+ Arrow::TimestampArray,
+ [Time.at(0), Time.at(1)],
+ ],
+ [
+ packed_chunked_array.class,
+ packed_chunked_array.to_a,
+ ])
+ end
+ end
+
+ sub_test_case("#==") do
+ def setup
+ arrays = [
+ Arrow::BooleanArray.new([true]),
+ Arrow::BooleanArray.new([false, true]),
+ ]
+ @chunked_array = Arrow::ChunkedArray.new(arrays)
+ end
+
+ test("Arrow::ChunkedArray") do
+ assert do
+ @chunked_array == @chunked_array
+ end
+ end
+
+ test("not Arrow::ChunkedArray") do
+ assert do
+ not (@chunked_array == 29)
+ end
+ end
+ end
+
+ sub_test_case("#filter") do
+ def setup
+ arrays = [
+ Arrow::BooleanArray.new([false, true]),
+ Arrow::BooleanArray.new([false, true, false]),
+ ]
+ @chunked_array = Arrow::ChunkedArray.new(arrays)
+ @options = Arrow::FilterOptions.new
+ @options.null_selection_behavior = :emit_null
+ end
+
+ test("Array: boolean") do
+ filter = [nil, true, true, false, true]
+ chunks = [
+ Arrow::BooleanArray.new([nil, true]),
+ Arrow::BooleanArray.new([false, false]),
+ ]
+ filtered_chunked_array = Arrow::ChunkedArray.new(chunks)
+ assert_equal(filtered_chunked_array,
+ @chunked_array.filter(filter, @options))
+ end
+
+ test("Arrow::BooleanArray") do
+ filter = Arrow::BooleanArray.new([nil, true, true, false, true])
+ chunks = [
+ Arrow::BooleanArray.new([nil, true]),
+ Arrow::BooleanArray.new([false, false]),
+ ]
+ filtered_chunked_array = Arrow::ChunkedArray.new(chunks)
+ assert_equal(filtered_chunked_array,
+ @chunked_array.filter(filter, @options))
+ end
+
+ test("Arrow::ChunkedArray") do
+ chunks = [
+ Arrow::BooleanArray.new([nil, true]),
+ Arrow::BooleanArray.new([true, false, true]),
+ ]
+ filter = Arrow::ChunkedArray.new(chunks)
+ filtered_chunks = [
+ Arrow::BooleanArray.new([nil, true]),
+ Arrow::BooleanArray.new([false, false]),
+ ]
+ filtered_chunked_array = Arrow::ChunkedArray.new(filtered_chunks)
+ assert_equal(filtered_chunked_array,
+ @chunked_array.filter(filter, @options))
+ end
+ end
+
+ sub_test_case("#take") do
+ def setup
+ chunks = [
+ Arrow::Int16Array.new([1, 0]),
+ Arrow::Int16Array.new([2]),
+ ]
+ @chunked_array = Arrow::ChunkedArray.new(chunks)
+ end
+
+ test("Arrow: boolean") do
+ chunks = [
+ Arrow::Int16Array.new([0, 1]),
+ Arrow::Int16Array.new([2])
+ ]
+ taken_chunked_array = Arrow::ChunkedArray.new(chunks)
+ indices = [1, 0, 2]
+ assert_equal(taken_chunked_array,
+ @chunked_array.take(indices))
+ end
+
+ test("Arrow::Array") do
+ chunks = [
+ Arrow::Int16Array.new([0, 1]),
+ Arrow::Int16Array.new([2])
+ ]
+ taken_chunked_array = Arrow::ChunkedArray.new(chunks)
+ indices = Arrow::Int16Array.new([1, 0, 2])
+ assert_equal(taken_chunked_array,
+ @chunked_array.take(indices))
+ end
+
+ test("Arrow::ChunkedArray") do
+ taken_chunks = [
+ Arrow::Int16Array.new([0, 1]),
+ Arrow::Int16Array.new([2])
+ ]
+ taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks)
+ indices_chunks = [
+ Arrow::Int16Array.new([1, 0]),
+ Arrow::Int16Array.new([2])
+ ]
+ indices = Arrow::ChunkedArray.new(indices_chunks)
+ assert_equal(taken_chunked_array,
+ @chunked_array.take(indices))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-column.rb b/src/arrow/ruby/red-arrow/test/test-column.rb
new file mode 100644
index 000000000..613b01ccc
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-column.rb
@@ -0,0 +1,92 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ColumnTest < Test::Unit::TestCase
+ def setup
+ table = Arrow::Table.new("visible" => [true, nil, false])
+ @column = table.visible
+ end
+
+ test("#name") do
+ assert_equal("visible", @column.name)
+ end
+
+ test("#data_type") do
+ assert_equal(Arrow::BooleanDataType.new, @column.data_type)
+ end
+
+ test("#null?") do
+ assert do
+ @column.null?(1)
+ end
+ end
+
+ test("#valid?") do
+ assert do
+ @column.valid?(0)
+ end
+ end
+
+ test("#each") do
+ assert_equal([true, nil, false], @column.each.to_a)
+ end
+
+ test("#reverse_each") do
+ assert_equal([false, nil, true], @column.reverse_each.to_a)
+ end
+
+ test("#n_rows") do
+ assert_equal(3, @column.n_rows)
+ end
+
+ test("#n_nulls") do
+ assert_equal(1, @column.n_nulls)
+ end
+
+ sub_test_case("#==") do
+ test("same value") do
+ table1 = Arrow::Table.new("visible" => [true, false])
+ table2 = Arrow::Table.new("visible" => [true, false])
+ assert do
+ table1.visible == table2.visible
+ end
+ end
+
+ test("different name") do
+ table1 = Arrow::Table.new("visible" => [true, false])
+ table2 = Arrow::Table.new("invisible" => [true, false])
+ assert do
+ not table1.visible == table2.invisible
+ end
+ end
+
+ test("different value") do
+ table1 = Arrow::Table.new("visible" => [true, false])
+ table2 = Arrow::Table.new("visible" => [true, true])
+ assert do
+ not table1.visible == table2.visible
+ end
+ end
+
+ test("not Arrow::Column") do
+ table = Arrow::Table.new("visible" => [true, false])
+ assert do
+ not table.visible == 29
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-csv-loader.rb b/src/arrow/ruby/red-arrow/test/test-csv-loader.rb
new file mode 100644
index 000000000..7f7f23498
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-csv-loader.rb
@@ -0,0 +1,250 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class CSVLoaderTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def load_csv(input)
+ Arrow::CSVLoader.load(input, skip_lines: /^#/)
+ end
+
+ sub_test_case(".load") do
+ test("String: data: with header") do
+ data = fixture_path("with-header-float.csv").read
+ assert_equal(<<-TABLE, load_csv(data).to_s)
+ name score
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("String: data: without header") do
+ data = fixture_path("without-header-float.csv").read
+ assert_equal(<<-TABLE, load_csv(data).to_s)
+ 0 1
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("String: path: with header") do
+ path = fixture_path("with-header-float.csv").to_s
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ name score
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("String: path: without header") do
+ path = fixture_path("without-header-float.csv").to_s
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ 0 1
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("Pathname: with header") do
+ path = fixture_path("with-header-float.csv")
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ name score
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("Pathname: without header") do
+ path = fixture_path("without-header-float.csv")
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ 0 1
+0 alice 10.100000
+1 bob 29.200000
+2 chris -1.300000
+ TABLE
+ end
+
+ test("null: with double quote") do
+ path = fixture_path("null-with-double-quote.csv").to_s
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ name score
+0 alice 10
+1 bob (null)
+2 chris -1
+ TABLE
+ end
+
+ test("null: without double quote") do
+ path = fixture_path("null-without-double-quote.csv").to_s
+ assert_equal(<<-TABLE, load_csv(path).to_s)
+ name score
+0 alice 10
+1 bob (null)
+2 chris -1
+ TABLE
+ end
+
+ test("number: float, integer") do
+ path = fixture_path("float-integer.csv").to_s
+ assert_equal([2.9, 10, -1.1],
+ load_csv(path)[:score].to_a)
+ end
+
+ test("number: integer, float") do
+ path = fixture_path("integer-float.csv").to_s
+ assert_equal([10.0, 2.9, -1.1],
+ load_csv(path)[:score].to_a)
+ end
+ end
+
+ sub_test_case("CSVReader") do
+ def load_csv(data, **options)
+ Arrow::CSVLoader.load(data, **options)
+ end
+
+ sub_test_case(":headers") do
+ test("true") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(value: values),
+ load_csv(<<-CSV, headers: true))
+value
+a
+b
+c
+ CSV
+ end
+
+ test(":first_line") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(value: values),
+ load_csv(<<-CSV, headers: :first_line))
+value
+a
+b
+c
+ CSV
+ end
+
+ test("truthy") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(value: values),
+ load_csv(<<-CSV, headers: 0))
+value
+a
+b
+c
+ CSV
+ end
+
+ test("Array of column names") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(column: values),
+ load_csv(<<-CSV, headers: ["column"]))
+a
+b
+c
+ CSV
+ end
+
+ test("false") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(f0: values),
+ load_csv(<<-CSV, headers: false))
+a
+b
+c
+ CSV
+ end
+
+ test("nil") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(f0: values),
+ load_csv(<<-CSV, headers: nil))
+a
+b
+c
+ CSV
+ end
+
+ test("string") do
+ values = Arrow::StringArray.new(["a", "b", "c"])
+ assert_equal(Arrow::Table.new(column: values),
+ load_csv(<<-CSV, headers: "column"))
+a
+b
+c
+ CSV
+ end
+ end
+
+ test(":column_types") do
+ assert_equal(Arrow::Table.new(:count => Arrow::UInt16Array.new([1, 2, 4])),
+ load_csv(<<-CSV, column_types: {count: :uint16}))
+count
+1
+2
+4
+ CSV
+ end
+
+ test(":schema") do
+ table = Arrow::Table.new(:count => Arrow::UInt16Array.new([1, 2, 4]))
+ assert_equal(table,
+ load_csv(<<-CSV, schema: table.schema))
+count
+1
+2
+4
+ CSV
+ end
+
+ test(":encoding") do
+ messages = [
+ "\u3042", # U+3042 HIRAGANA LETTER A
+ "\u3044", # U+3044 HIRAGANA LETTER I
+ "\u3046", # U+3046 HIRAGANA LETTER U
+ ]
+ table = Arrow::Table.new(:message => Arrow::StringArray.new(messages))
+ encoding = "cp932"
+ assert_equal(table,
+ load_csv((["message"] + messages).join("\n").encode(encoding),
+ schema: table.schema,
+ encoding: encoding))
+ end
+
+ test(":encoding and :compression") do
+ messages = [
+ "\u3042", # U+3042 HIRAGANA LETTER A
+ "\u3044", # U+3044 HIRAGANA LETTER I
+ "\u3046", # U+3046 HIRAGANA LETTER U
+ ]
+ table = Arrow::Table.new(:message => Arrow::StringArray.new(messages))
+ encoding = "cp932"
+ csv = (["message"] + messages).join("\n").encode(encoding)
+ assert_equal(table,
+ load_csv(Zlib::Deflate.deflate(csv),
+ schema: table.schema,
+ encoding: encoding,
+ compression: :gzip))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-data-type.rb b/src/arrow/ruby/red-arrow/test/test-data-type.rb
new file mode 100644
index 000000000..f54831780
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-data-type.rb
@@ -0,0 +1,83 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class DataTypeTest < Test::Unit::TestCase
+ sub_test_case(".resolve") do
+ test("DataType") do
+ assert_equal(Arrow::BooleanDataType.new,
+ Arrow::DataType.resolve(Arrow::BooleanDataType.new))
+ end
+
+ test("String") do
+ assert_equal(Arrow::BooleanDataType.new,
+ Arrow::DataType.resolve("boolean"))
+ end
+
+ test("Symbol") do
+ assert_equal(Arrow::BooleanDataType.new,
+ Arrow::DataType.resolve(:boolean))
+ end
+
+ test("Array") do
+ field = Arrow::Field.new(:visible, :boolean)
+ assert_equal(Arrow::ListDataType.new(field),
+ Arrow::DataType.resolve([:list, field]))
+ end
+
+ test("Hash") do
+ field = Arrow::Field.new(:visible, :boolean)
+ assert_equal(Arrow::ListDataType.new(field),
+ Arrow::DataType.resolve(type: :list, field: field))
+ end
+
+ test("_") do
+ assert_equal(Arrow::FixedSizeBinaryDataType.new(10),
+ Arrow::DataType.resolve([:fixed_size_binary, 10]))
+ end
+
+ test("abstract") do
+ message =
+ "abstract type: <:floating_point>: " +
+ "use one of not abstract type: [" +
+ "Arrow::DoubleDataType, " +
+ "Arrow::FloatDataType]"
+ assert_raise(ArgumentError.new(message)) do
+ Arrow::DataType.resolve(:floating_point)
+ end
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @data_type = Arrow::StringDataType.new
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::DataType") do
+ assert do
+ @data_type == @data_type
+ end
+ end
+
+ test("not Arrow::DataType") do
+ assert do
+ not (@data_type == 29)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-date32-array.rb b/src/arrow/ruby/red-arrow/test/test-date32-array.rb
new file mode 100644
index 000000000..6918b48db
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-date32-array.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Date32ArrayTest < Test::Unit::TestCase
+ test("#[]") do
+ n_days_since_epoch = 17406 # 2017-08-28
+ array = Arrow::Date32Array.new([n_days_since_epoch])
+ assert_equal(Date.new(2017, 8, 28), array[0])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-date64-array.rb b/src/arrow/ruby/red-arrow/test/test-date64-array.rb
new file mode 100644
index 000000000..ec1c6db7c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-date64-array.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Date64ArrayTest < Test::Unit::TestCase
+ test("#[]") do
+ n_msecs_since_epoch = 1503878400000 # 2017-08-28T00:00:00Z
+ array = Arrow::Date64Array.new([n_msecs_since_epoch])
+ assert_equal(DateTime.new(2017, 8, 28, 0, 0, 0),
+ array[0])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal128-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-decimal128-array-builder.rb
new file mode 100644
index 000000000..31d58bd58
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal128-array-builder.rb
@@ -0,0 +1,112 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal128ArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::Decimal128DataType.new(3, 1)
+ @builder = Arrow::Decimal128ArrayBuilder.new(@data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal(nil, array[0])
+ end
+
+ test("Arrow::Decimal128") do
+ @builder.append_value(Arrow::Decimal128.new("10.1"))
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("String") do
+ @builder.append_value("10.1")
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("Float") do
+ @builder.append_value(10.1)
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("BigDecimal") do
+ @builder.append_value(BigDecimal("10.1"))
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("mixed") do
+ @builder.append_values([
+ Arrow::Decimal128.new("10.1"),
+ nil,
+ "10.1",
+ 10.1,
+ BigDecimal("10.1"),
+ ])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ Arrow::Decimal128.new("10.1"),
+ Arrow::Decimal128.new("10.1"),
+ Arrow::Decimal128.new("10.1"),
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+
+ test("packed") do
+ @builder.append_values(Arrow::Decimal128.new("10.1").to_bytes.to_s * 3,
+ [true, false, true])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal128-array.rb b/src/arrow/ruby/red-arrow/test/test-decimal128-array.rb
new file mode 100644
index 000000000..88ab1c26c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal128-array.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal128ArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ data_type = Arrow::Decimal128DataType.new(3, 1)
+ values = [
+ 10.1,
+ nil,
+ "10.1",
+ BigDecimal("10.1"),
+ ]
+ array = Arrow::Decimal128Array.new(data_type, values)
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal128-data-type.rb b/src/arrow/ruby/red-arrow/test/test-decimal128-data-type.rb
new file mode 100644
index 000000000..5390a7a44
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal128-data-type.rb
@@ -0,0 +1,31 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal128DataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("ordered arguments") do
+ assert_equal("decimal128(8, 2)",
+ Arrow::Decimal128DataType.new(8, 2).to_s)
+ end
+
+ test("description") do
+ assert_equal("decimal128(8, 2)",
+ Arrow::Decimal128DataType.new(precision: 8,
+ scale: 2).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal128.rb b/src/arrow/ruby/red-arrow/test/test-decimal128.rb
new file mode 100644
index 000000000..9e7f8792c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal128.rb
@@ -0,0 +1,102 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal128Test < Test::Unit::TestCase
+ sub_test_case("instance methods") do
+ def setup
+ @decimal128 = Arrow::Decimal128.new("10.1")
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Decimal128") do
+ assert do
+ @decimal128 == @decimal128
+ end
+ end
+
+ test("not Arrow::Decimal128") do
+ assert do
+ not (@decimal128 == 10.1)
+ end
+ end
+ end
+
+ sub_test_case("#!=") do
+ test("Arrow::Decimal128") do
+ assert do
+ not (@decimal128 != @decimal128)
+ end
+ end
+
+ test("not Arrow::Decimal128") do
+ assert do
+ @decimal128 != 10.1
+ end
+ end
+ end
+
+ sub_test_case("#to_s") do
+ test("default") do
+ assert_equal("101",
+ @decimal128.to_s)
+ end
+
+ test("scale") do
+ assert_equal("10.1",
+ @decimal128.to_s(1))
+ end
+ end
+
+ test("#abs") do
+ decimal128 = Arrow::Decimal128.new("-10.1")
+ assert_equal([
+ Arrow::Decimal128.new("-10.1"),
+ Arrow::Decimal128.new("10.1"),
+ ],
+ [
+ decimal128,
+ decimal128.abs,
+ ])
+ end
+
+ test("#abs!") do
+ decimal128 = Arrow::Decimal128.new("-10.1")
+ decimal128.abs!
+ assert_equal(Arrow::Decimal128.new("10.1"),
+ decimal128)
+ end
+
+ test("#negate") do
+ decimal128 = Arrow::Decimal128.new("-10.1")
+ assert_equal([
+ Arrow::Decimal128.new("-10.1"),
+ Arrow::Decimal128.new("10.1"),
+ ],
+ [
+ decimal128,
+ decimal128.negate,
+ ])
+ end
+
+ test("#negate!") do
+ decimal128 = Arrow::Decimal128.new("-10.1")
+ decimal128.negate!
+ assert_equal(Arrow::Decimal128.new("10.1"),
+ decimal128)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal256-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-decimal256-array-builder.rb
new file mode 100644
index 000000000..f0769b662
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal256-array-builder.rb
@@ -0,0 +1,112 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal256ArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::Decimal256DataType.new(3, 1)
+ @builder = Arrow::Decimal256ArrayBuilder.new(@data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal(nil, array[0])
+ end
+
+ test("Arrow::Decimal256") do
+ @builder.append_value(Arrow::Decimal256.new("10.1"))
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("String") do
+ @builder.append_value("10.1")
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("Float") do
+ @builder.append_value(10.1)
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+
+ test("BigDecimal") do
+ @builder.append_value(BigDecimal("10.1"))
+ array = @builder.finish
+ assert_equal(BigDecimal("10.1"),
+ array[0])
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("mixed") do
+ @builder.append_values([
+ Arrow::Decimal256.new("10.1"),
+ nil,
+ "10.1",
+ 10.1,
+ BigDecimal("10.1"),
+ ])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ Arrow::Decimal256.new("10.1"),
+ Arrow::Decimal256.new("10.1"),
+ Arrow::Decimal256.new("10.1"),
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+
+ test("packed") do
+ @builder.append_values(Arrow::Decimal256.new("10.1").to_bytes.to_s * 3,
+ [true, false, true])
+ array = @builder.finish
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal256-array.rb b/src/arrow/ruby/red-arrow/test/test-decimal256-array.rb
new file mode 100644
index 000000000..7049a4509
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal256-array.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal256ArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ data_type = Arrow::Decimal256DataType.new(3, 1)
+ values = [
+ 10.1,
+ nil,
+ "10.1",
+ BigDecimal("10.1"),
+ ]
+ array = Arrow::Decimal256Array.new(data_type, values)
+ assert_equal([
+ BigDecimal("10.1"),
+ nil,
+ BigDecimal("10.1"),
+ BigDecimal("10.1"),
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal256-data-type.rb b/src/arrow/ruby/red-arrow/test/test-decimal256-data-type.rb
new file mode 100644
index 000000000..96b2a505b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal256-data-type.rb
@@ -0,0 +1,31 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal256DataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("ordered arguments") do
+ assert_equal("decimal256(8, 2)",
+ Arrow::Decimal256DataType.new(8, 2).to_s)
+ end
+
+ test("description") do
+ assert_equal("decimal256(8, 2)",
+ Arrow::Decimal256DataType.new(precision: 8,
+ scale: 2).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-decimal256.rb b/src/arrow/ruby/red-arrow/test/test-decimal256.rb
new file mode 100644
index 000000000..422167f99
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-decimal256.rb
@@ -0,0 +1,102 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Decimal256Test < Test::Unit::TestCase
+ sub_test_case("instance methods") do
+ def setup
+ @decimal256 = Arrow::Decimal256.new("10.1")
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Decimal256") do
+ assert do
+ @decimal256 == @decimal256
+ end
+ end
+
+ test("not Arrow::Decimal256") do
+ assert do
+ not (@decimal256 == 10.1)
+ end
+ end
+ end
+
+ sub_test_case("#!=") do
+ test("Arrow::Decimal256") do
+ assert do
+ not (@decimal256 != @decimal256)
+ end
+ end
+
+ test("not Arrow::Decimal256") do
+ assert do
+ @decimal256 != 10.1
+ end
+ end
+ end
+
+ sub_test_case("#to_s") do
+ test("default") do
+ assert_equal("101",
+ @decimal256.to_s)
+ end
+
+ test("scale") do
+ assert_equal("10.1",
+ @decimal256.to_s(1))
+ end
+ end
+
+ test("#abs") do
+ decimal256 = Arrow::Decimal256.new("-10.1")
+ assert_equal([
+ Arrow::Decimal256.new("-10.1"),
+ Arrow::Decimal256.new("10.1"),
+ ],
+ [
+ decimal256,
+ decimal256.abs,
+ ])
+ end
+
+ test("#abs!") do
+ decimal256 = Arrow::Decimal256.new("-10.1")
+ decimal256.abs!
+ assert_equal(Arrow::Decimal256.new("10.1"),
+ decimal256)
+ end
+
+ test("#negate") do
+ decimal256 = Arrow::Decimal256.new("-10.1")
+ assert_equal([
+ Arrow::Decimal256.new("-10.1"),
+ Arrow::Decimal256.new("10.1"),
+ ],
+ [
+ decimal256,
+ decimal256.negate,
+ ])
+ end
+
+ test("#negate!") do
+ decimal256 = Arrow::Decimal256.new("-10.1")
+ decimal256.negate!
+ assert_equal(Arrow::Decimal256.new("10.1"),
+ decimal256)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-dense-union-data-type.rb b/src/arrow/ruby/red-arrow/test/test-dense-union-data-type.rb
new file mode 100644
index 000000000..d8da6f772
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-dense-union-data-type.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class DenseUnionDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ def setup
+ @fields = [
+ Arrow::Field.new("visible", :boolean),
+ {
+ name: "count",
+ type: :int32,
+ },
+ ]
+ end
+
+ test("ordered arguments") do
+ assert_equal("dense_union<visible: bool=2, count: int32=9>",
+ Arrow::DenseUnionDataType.new(@fields, [2, 9]).to_s)
+ end
+
+ test("description") do
+ assert_equal("dense_union<visible: bool=2, count: int32=9>",
+ Arrow::DenseUnionDataType.new(fields: @fields,
+ type_codes: [2, 9]).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-dictionary-array.rb b/src/arrow/ruby/red-arrow/test/test-dictionary-array.rb
new file mode 100644
index 000000000..83368e9ec
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-dictionary-array.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class DictionaryArrayTest < Test::Unit::TestCase
+ sub_test_case("instance methods") do
+ def setup
+ @values = ["a", "b", "c", "b", "a"]
+ @string_array = Arrow::StringArray.new(@values)
+ @array = @string_array.dictionary_encode
+ end
+
+ test("#[]") do
+ assert_equal(@values, @array.to_a)
+ end
+
+ test("#get_value") do
+ assert_equal([
+ @values[0],
+ @values[3],
+ ],
+ [
+ @array.get_value(0),
+ @array.get_value(3),
+ ])
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-dictionary-data-type.rb b/src/arrow/ruby/red-arrow/test/test-dictionary-data-type.rb
new file mode 100644
index 000000000..c5b6dd1bf
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-dictionary-data-type.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class DictionaryDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ def setup
+ @index_data_type = :int8
+ @value_data_type = :string
+ @ordered = true
+ end
+
+ test("ordered arguments") do
+ assert_equal("dictionary<values=string, indices=int8, ordered=1>",
+ Arrow::DictionaryDataType.new(@index_data_type,
+ @value_data_type,
+ @ordered).to_s)
+ end
+
+ test("description") do
+ assert_equal("dictionary<values=string, indices=int8, ordered=1>",
+ Arrow::DictionaryDataType.new(index_data_type: @index_data_type,
+ value_data_type: @value_data_type,
+ ordered: @ordered).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-expression.rb b/src/arrow/ruby/red-arrow/test/test-expression.rb
new file mode 100644
index 000000000..e172e78be
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-expression.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestExpression < Test::Unit::TestCase
+ sub_test_case(".try_convert") do
+ test("Symbol") do
+ assert_equal(Arrow::FieldExpression.new("visible"),
+ Arrow::Expression.try_convert(:visible))
+ end
+
+ test("[String]") do
+ assert_equal(Arrow::CallExpression.new("func", []),
+ Arrow::Expression.try_convert(["func"]))
+ end
+
+ test("[Symbol]") do
+ assert_equal(Arrow::CallExpression.new("func", []),
+ Arrow::Expression.try_convert([:func]))
+ end
+
+ test("[String, String]") do
+ assert_equal(Arrow::CallExpression.new("func", ["argument1"]),
+ Arrow::Expression.try_convert(["func", "argument1"]))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-feather.rb b/src/arrow/ruby/red-arrow/test/test-feather.rb
new file mode 100644
index 000000000..21d8a2c31
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-feather.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FeatherTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def setup
+ columns = {
+ "message" => Arrow::StringArray.new(["Start", "Crash", "Shutdown"]),
+ "is_critical" => Arrow::BooleanArray.new([false, true, false]),
+ }
+ @table = Arrow::Table.new(columns)
+
+ @output = Tempfile.new(["red-arrow", ".feather"])
+ begin
+ yield(@output)
+ ensure
+ @output.close!
+ end
+ end
+
+ def test_default
+ @table.save(@output.path)
+ @output.close
+
+ assert_equal(@table, Arrow::Table.load(@output.path))
+ end
+
+ def test_compression
+ @table.save(@output.path, compression: :zstd)
+ @output.close
+
+ assert_equal(@table, Arrow::Table.load(@output.path))
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-field.rb b/src/arrow/ruby/red-arrow/test/test-field.rb
new file mode 100644
index 000000000..1b6bc4b17
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-field.rb
@@ -0,0 +1,91 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FieldTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("String, Arrow::DataType") do
+ assert_equal("visible: bool",
+ Arrow::Field.new("visible", Arrow::BooleanDataType.new).to_s)
+ end
+
+ test("Symbol, Arrow::DataType") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(:visible, Arrow::BooleanDataType.new).to_s)
+ end
+
+ test("String, Symbol") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(:visible, :boolean).to_s)
+ end
+
+ test("String, Hash") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(:visible, type: :boolean).to_s)
+ end
+
+ test("description: String") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(name: "visible",
+ data_type: :boolean).to_s)
+ end
+
+ test("description: Symbol") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(name: :visible,
+ data_type: :boolean).to_s)
+ end
+
+ test("description: shortcut") do
+ assert_equal("visible: bool",
+ Arrow::Field.new(name: :visible,
+ type: :boolean).to_s)
+ end
+
+ test("Hash: shortcut: additional") do
+ description = {
+ name: :tags,
+ type: :list,
+ field: {
+ name: "tag",
+ type: :string,
+ },
+ }
+ assert_equal("tags: list<tag: string>",
+ Arrow::Field.new(description).to_s)
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @field = Arrow::Field.new("count", :uint32)
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Field") do
+ assert do
+ @field == @field
+ end
+ end
+
+ test("not Arrow::Field") do
+ assert do
+ not (@field == 29)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-file-output-stream.rb b/src/arrow/ruby/red-arrow/test/test-file-output-stream.rb
new file mode 100644
index 000000000..559406a4e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-file-output-stream.rb
@@ -0,0 +1,54 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestFileOutputStream < Test::Unit::TestCase
+ sub_test_case(".open") do
+ def setup
+ @file = Tempfile.open("arrow-file-output-stream")
+ @file.write("Hello")
+ @file.close
+ end
+
+ def test_default
+ Arrow::FileOutputStream.open(@file.path) do |file|
+ file.write(" World")
+ end
+ assert_equal(" World", File.read(@file.path))
+ end
+
+ def test_options_append
+ Arrow::FileOutputStream.open(@file.path, append: true) do |file|
+ file.write(" World")
+ end
+ assert_equal("Hello World", File.read(@file.path))
+ end
+
+ def test_append_true
+ Arrow::FileOutputStream.open(@file.path, true) do |file|
+ file.write(" World")
+ end
+ assert_equal("Hello World", File.read(@file.path))
+ end
+
+ def test_append_false
+ Arrow::FileOutputStream.open(@file.path, false) do |file|
+ file.write(" World")
+ end
+ assert_equal(" World", File.read(@file.path))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array-builder.rb
new file mode 100644
index 000000000..fae79f285
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array-builder.rb
@@ -0,0 +1,92 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FixedSizeBinaryArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::FixedSizeBinaryDataType.new(4)
+ @builder = Arrow::FixedSizeBinaryArrayBuilder.new(@data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal(nil, array[0])
+ end
+
+ test("String") do
+ @builder.append_value("0123")
+ array = @builder.finish
+ assert_equal("0123", array[0])
+ end
+
+ test("GLib::Bytes") do
+ @builder.append_value(GLib::Bytes.new("0123"))
+ array = @builder.finish
+ assert_equal("0123", array[0])
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("mixed") do
+ @builder.append_values([
+ "0123",
+ nil,
+ GLib::Bytes.new("abcd"),
+ ])
+ array = @builder.finish
+ assert_equal([
+ "0123",
+ nil,
+ "abcd",
+ ],
+ array.to_a)
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ "0123",
+ "0123",
+ "0123",
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ "0123",
+ nil,
+ "0123",
+ ],
+ array.to_a)
+ end
+
+ test("packed") do
+ @builder.append_values("0123" * 3,
+ [true, false, true])
+ array = @builder.finish
+ assert_equal([
+ "0123",
+ nil,
+ "0123",
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array.rb b/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array.rb
new file mode 100644
index 000000000..3cb46b964
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-fixed-size-binary-array.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FixedSizeBinaryArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ data_type = Arrow::FixedSizeBinaryDataType.new(4)
+ values = [
+ "0123",
+ nil,
+ GLib::Bytes.new("abcd"),
+ ]
+ array = Arrow::FixedSizeBinaryArray.new(data_type, values)
+ assert_equal([
+ "0123",
+ nil,
+ "abcd",
+ ],
+ array.to_a)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-float-scalar.rb b/src/arrow/ruby/red-arrow/test/test-float-scalar.rb
new file mode 100644
index 000000000..1117d7728
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-float-scalar.rb
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FloatScalarTest < Test::Unit::TestCase
+ sub_test_case("#equal_scalar?") do
+ test("no options") do
+ scalar1 = Arrow::FloatScalar.new(1.1)
+ scalar2 = Arrow::FloatScalar.new(1.1000001)
+ assert do
+ not scalar1.equal_scalar?(scalar2)
+ end
+ end
+
+ test(":approx") do
+ scalar1 = Arrow::FloatScalar.new(1.1)
+ scalar2 = Arrow::FloatScalar.new(1.1000001)
+ assert do
+ scalar1.equal_scalar?(scalar2, approx: true)
+ end
+ end
+
+ test(":absolute_tolerance") do
+ scalar1 = Arrow::FloatScalar.new(1.1)
+ scalar2 = Arrow::FloatScalar.new(1.1001)
+ assert do
+ scalar1.equal_scalar?(scalar2,
+ approx: true,
+ absolute_tolerance: 0.001)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-function.rb b/src/arrow/ruby/red-arrow/test/test-function.rb
new file mode 100644
index 000000000..95667e66c
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-function.rb
@@ -0,0 +1,176 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class FunctionTest < Test::Unit::TestCase
+ sub_test_case("#execute") do
+ test("Arrow::Array") do
+ or_function = Arrow::Function.find("or")
+ args = [
+ Arrow::BooleanArray.new([true, false, false]),
+ Arrow::BooleanArray.new([true, false, true]),
+ ]
+ assert_equal([true, false, true],
+ or_function.execute(args).value.to_a)
+ end
+
+ test("Array") do
+ or_function = Arrow::Function.find("or")
+ args = [
+ [true, false, false],
+ [true, false, true],
+ ]
+ assert_equal([true, false, true],
+ or_function.execute(args).value.to_a)
+ end
+
+ test("Arrow::ChunkedArray") do
+ or_function = Arrow::Function.find("or")
+ args = [
+ Arrow::ChunkedArray.new([
+ Arrow::BooleanArray.new([true]),
+ Arrow::BooleanArray.new([false, false]),
+ ]),
+ Arrow::ChunkedArray.new([
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([true]),
+ ]),
+ ]
+ assert_equal([true, false, true],
+ or_function.execute(args).value.to_a)
+ end
+
+ test("Arrow::Scalar") do
+ add_function = Arrow::Function.find("add")
+ args = [
+ Arrow::Int8Array.new([1, 2, 3]),
+ Arrow::Int8Scalar.new(5),
+ ]
+ assert_equal([6, 7, 8],
+ add_function.execute(args).value.to_a)
+ end
+
+ test("Integer") do
+ add_function = Arrow::Function.find("add")
+ args = [
+ [1, 2, 3],
+ 5,
+ ]
+ assert_equal([6, 7, 8],
+ add_function.execute(args).value.to_a)
+ end
+
+ test("Float") do
+ add_function = Arrow::Function.find("add")
+ args = [
+ [1, 2, 3],
+ 5.1,
+ ]
+ assert_equal([6.1, 7.1, 8.1],
+ add_function.execute(args).value.to_a)
+ end
+
+ test("true") do
+ and_function = Arrow::Function.find("and")
+ args = [
+ Arrow::BooleanArray.new([true, false, false]),
+ true,
+ ]
+ assert_equal([true, false, false],
+ and_function.execute(args).value.to_a)
+ end
+
+ test("false") do
+ or_function = Arrow::Function.find("or")
+ args = [
+ Arrow::BooleanArray.new([true, false, false]),
+ false,
+ ]
+ assert_equal([true, false, false],
+ or_function.execute(args).value.to_a)
+ end
+
+ test("String") do
+ ascii_upper_function = Arrow::Function.find("ascii_upper")
+ args = [
+ "Hello",
+ ]
+ assert_equal("HELLO",
+ ascii_upper_function.execute(args).value.to_s)
+ end
+
+ test("Date") do
+ cast_function = Arrow::Function.find("cast")
+ date = Date.new(2021, 6, 12)
+ args = [date]
+ options = Arrow::CastOptions.new
+ options.to_data_type = Arrow::TimestampDataType.new(:second)
+ time = Time.utc(date.year,
+ date.month,
+ date.day)
+ assert_equal(Arrow::TimestampScalar.new(options.to_data_type,
+ time.to_i),
+ cast_function.execute(args, options).value)
+ end
+
+ test("Arrow::Time: second") do
+ cast_function = Arrow::Function.find("cast")
+ arrow_time = Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ # 00:10:00
+ 60 * 10)
+ args = [arrow_time]
+ options = Arrow::CastOptions.new
+ options.to_data_type = Arrow::Time64DataType.new(:micro)
+ assert_equal(Arrow::Time64Scalar.new(options.to_data_type,
+ # 00:10:00.000000
+ 60 * 10 * 1000 * 1000),
+ cast_function.execute(args, options).value)
+ end
+
+ test("Arrow::Time: micro") do
+ cast_function = Arrow::Function.find("cast")
+ arrow_time = Arrow::Time.new(Arrow::TimeUnit::MICRO,
+ # 00:10:00.000000
+ 60 * 10 * 1000 * 1000)
+ args = [arrow_time]
+ options = Arrow::CastOptions.new
+ options.to_data_type = Arrow::Time32DataType.new(:second)
+ options.allow_time_truncate = true
+ assert_equal(Arrow::Time32Scalar.new(options.to_data_type,
+ # 00:10:00
+ 60 * 10),
+ cast_function.execute(args, options).value)
+ end
+
+ test("Time") do
+ cast_function = Arrow::Function.find("cast")
+ time = Time.utc(2021, 6, 12, 1, 2, 3, 1)
+ args = [time]
+ options = Arrow::CastOptions.new
+ options.to_data_type = Arrow::TimestampDataType.new(:second)
+ options.allow_time_truncate = true
+ time = Time.utc(time.year,
+ time.month,
+ time.day,
+ time.hour,
+ time.min,
+ time.sec)
+ assert_equal(Arrow::TimestampScalar.new(options.to_data_type,
+ time.to_i),
+ cast_function.execute(args, options).value)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-group.rb b/src/arrow/ruby/red-arrow/test/test-group.rb
new file mode 100644
index 000000000..2823977d5
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-group.rb
@@ -0,0 +1,180 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class GroupTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def setup
+ raw_table = {
+ :group_key1 => Arrow::UInt8Array.new([1, 1, 2, 3, 3, 3]),
+ :group_key2 => Arrow::UInt8Array.new([1, 1, 1, 1, 2, 2]),
+ :int => Arrow::Int32Array.new([-1, -2, nil, -4, -5, -6]),
+ :uint => Arrow::UInt32Array.new([1, nil, 3, 4, 5, 6]),
+ :float => Arrow::FloatArray.new([nil, 2.2, 3.3, 4.4, 5.5, 6.6]),
+ :string => Arrow::StringArray.new(["a", "b", "c", nil, "e", "f"]),
+ }
+ @table = Arrow::Table.new(raw_table)
+ end
+
+ sub_test_case("key") do
+ test("Time") do
+ time_values = [
+ Time.parse("2018-01-29"),
+ Time.parse("2018-01-30"),
+ ]
+ raw_table = {
+ :time => Arrow::ArrayBuilder.build(time_values),
+ :int => Arrow::Int32Array.new([-1, -2]),
+ }
+ table = Arrow::Table.new(raw_table)
+ assert_equal(<<-TABLE, table.group(:time).count.to_s)
+ count(int) time
+0 1 #{time_values[0].iso8601}
+1 1 #{time_values[1].iso8601}
+ TABLE
+ end
+ end
+
+ sub_test_case("#count") do
+ test("single") do
+ assert_equal(<<-TABLE, @table.group(:group_key1).count.to_s)
+ count(group_key2) count(int) count(uint) count(float) count(string) group_key1
+0 2 2 1 1 2 1
+1 1 0 1 1 1 2
+2 3 3 3 3 2 3
+ TABLE
+ end
+
+ test("multiple") do
+ assert_equal(<<-TABLE, @table.group(:group_key1, :group_key2).count.to_s)
+ count(int) count(uint) count(float) count(string) group_key1 group_key2
+0 2 1 1 2 1 1
+1 0 1 1 1 2 1
+2 1 1 1 0 3 1
+3 2 2 2 2 3 2
+ TABLE
+ end
+
+ test("column") do
+ group = @table.group(:group_key1, :group_key2)
+ assert_equal(<<-TABLE, group.count(:int, :uint).to_s)
+ count(int) count(uint) group_key1 group_key2
+0 2 1 1 1
+1 0 1 2 1
+2 1 1 3 1
+3 2 2 3 2
+ TABLE
+ end
+ end
+
+ sub_test_case("#sum") do
+ test("single") do
+ assert_equal(<<-TABLE, @table.group(:group_key1).sum.to_s)
+ sum(group_key2) sum(int) sum(uint) sum(float) group_key1
+0 2 -3 1 2.200000 1
+1 1 (null) 3 3.300000 2
+2 5 -15 15 16.500000 3
+ TABLE
+ end
+
+ test("multiple") do
+ assert_equal(<<-TABLE, @table.group(:group_key1, :group_key2).sum.to_s)
+ sum(int) sum(uint) sum(float) group_key1 group_key2
+0 -3 1 2.200000 1 1
+1 (null) 3 3.300000 2 1
+2 -4 4 4.400000 3 1
+3 -11 11 12.100000 3 2
+ TABLE
+ end
+ end
+
+ sub_test_case("#mean") do
+ test("single") do
+ assert_equal(<<-TABLE, @table.group(:group_key1).mean.to_s)
+ mean(group_key2) mean(int) mean(uint) mean(float) group_key1
+0 1.000000 -1.500000 1.000000 2.200000 1
+1 1.000000 (null) 3.000000 3.300000 2
+2 1.666667 -5.000000 5.000000 5.500000 3
+ TABLE
+ end
+
+ test("multiple") do
+ assert_equal(<<-TABLE, @table.group(:group_key1, :group_key2).mean.to_s)
+ mean(int) mean(uint) mean(float) group_key1 group_key2
+0 -1.500000 1.000000 2.200000 1 1
+1 (null) 3.000000 3.300000 2 1
+2 -4.000000 4.000000 4.400000 3 1
+3 -5.500000 5.500000 6.050000 3 2
+ TABLE
+ end
+ end
+
+ sub_test_case("#min") do
+ test("single") do
+ assert_equal(<<-TABLE, @table.group(:group_key1).min.to_s)
+ min(group_key2) min(int) min(uint) min(float) group_key1
+0 1 -2 1 2.200000 1
+1 1 (null) 3 3.300000 2
+2 1 -6 4 4.400000 3
+ TABLE
+ end
+
+ test("multiple") do
+ assert_equal(<<-TABLE, @table.group(:group_key1, :group_key2).min.to_s)
+ min(int) min(uint) min(float) group_key1 group_key2
+0 -2 1 2.200000 1 1
+1 (null) 3 3.300000 2 1
+2 -4 4 4.400000 3 1
+3 -6 5 5.500000 3 2
+ TABLE
+ end
+ end
+
+ sub_test_case("#max") do
+ test("single") do
+ assert_equal(<<-TABLE, @table.group(:group_key1).max.to_s)
+ max(group_key2) max(int) max(uint) max(float) group_key1
+0 1 -1 1 2.200000 1
+1 1 (null) 3 3.300000 2
+2 2 -4 6 6.600000 3
+ TABLE
+ end
+
+ test("multiple") do
+ assert_equal(<<-TABLE, @table.group(:group_key1, :group_key2).max.to_s)
+ max(int) max(uint) max(float) group_key1 group_key2
+0 -1 1 2.200000 1 1
+1 (null) 3 3.300000 2 1
+2 -4 4 4.400000 3 1
+3 -5 6 6.600000 3 2
+ TABLE
+ end
+ end
+
+ sub_test_case("#aggregate") do
+ test("function()") do
+ group = @table.group(:group_key1, :group_key2)
+ assert_equal(<<-TABLE, group.aggregate("count(int)", "sum(uint)").to_s)
+ count(int) sum(uint) group_key1 group_key2
+0 2 1 1 1
+1 0 3 2 1
+2 1 4 3 1
+3 2 11 3 2
+ TABLE
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-list-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-list-array-builder.rb
new file mode 100644
index 000000000..aee31e73b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-list-array-builder.rb
@@ -0,0 +1,79 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ListArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::ListDataType.new(name: "visible", type: :boolean)
+ @builder = Arrow::ListArrayBuilder.new(@data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal(nil, array[0])
+ end
+
+ test("Array") do
+ @builder.append_value([true, false, true])
+ array = @builder.finish
+ assert_equal([true, false, true], array[0].to_a)
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("[nil, Array]") do
+ @builder.append_values([[false], nil, [true, false, true]])
+ array = @builder.finish
+ assert_equal([
+ [false],
+ nil,
+ [true, false, true],
+ ],
+ array.collect {|list| list ? list.to_a : nil})
+ end
+
+ test("is_valids") do
+ @builder.append_values([[false], [true, true], [true, false, true]],
+ [true, false, true])
+ array = @builder.finish
+ assert_equal([
+ [false],
+ nil,
+ [true, false, true],
+ ],
+ array.collect {|list| list ? list.to_a : nil})
+ end
+ end
+
+ sub_test_case("#append") do
+ test("backward compatibility") do
+ @builder.append
+ @builder.value_builder.append(true)
+ @builder.value_builder.append(false)
+ @builder.append
+ @builder.value_builder.append(true)
+ array = @builder.finish
+
+ assert_equal([
+ [true, false],
+ [true],
+ ],
+ array.collect(&:to_a))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-list-array.rb b/src/arrow/ruby/red-arrow/test/test-list-array.rb
new file mode 100644
index 000000000..c1f762492
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-list-array.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ListArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ data_type = Arrow::ListDataType.new(name: "visible", type: :boolean)
+ values = [
+ [true, false],
+ nil,
+ [false, true, false],
+ ]
+ array = Arrow::ListArray.new(data_type, values)
+ assert_equal(values,
+ array.collect {|value| value ? value.to_a : nil})
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-list-data-type.rb b/src/arrow/ruby/red-arrow/test/test-list-data-type.rb
new file mode 100644
index 000000000..ada46394d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-list-data-type.rb
@@ -0,0 +1,69 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ListDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Arrow::Field") do
+ field = Arrow::Field.new(:tag, :string)
+ assert_equal("list<tag: string>",
+ Arrow::ListDataType.new(field).to_s)
+ end
+
+ test("name: String") do
+ assert_equal("list<tag: string>",
+ Arrow::ListDataType.new(name: "tag", type: :string).to_s)
+ end
+
+ test("field: Arrow::Field") do
+ field = Arrow::Field.new(:tag, :string)
+ assert_equal("list<tag: string>",
+ Arrow::ListDataType.new(field: field).to_s)
+ end
+
+ test("field: Hash") do
+ field_description = {name: "tag", type: :string}
+ assert_equal("list<tag: string>",
+ Arrow::ListDataType.new(field: field_description).to_s)
+ end
+
+ test("Arrow::DataType") do
+ data_type = Arrow::BooleanDataType.new
+ assert_equal("list<item: bool>",
+ Arrow::ListDataType.new(data_type).to_s)
+ end
+
+ test("String") do
+ assert_equal("list<item: bool>",
+ Arrow::ListDataType.new("boolean").to_s)
+ end
+
+ test("Symbol") do
+ assert_equal("list<item: bool>",
+ Arrow::ListDataType.new(:boolean).to_s)
+ end
+
+ test("[data type name, additional information]") do
+ assert_equal("list<item: time32[ms]>",
+ Arrow::ListDataType.new([:time32, :milli]).to_s)
+ end
+
+ test("type: Symbol") do
+ assert_equal("list<item: bool>",
+ Arrow::ListDataType.new(type: :boolean).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-map-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-map-array-builder.rb
new file mode 100644
index 000000000..80e571448
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-map-array-builder.rb
@@ -0,0 +1,110 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class MapArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ key_type = Arrow::StringDataType.new
+ item_type = Arrow::Int16DataType.new
+ data_type = Arrow::MapDataType.new(key_type, item_type)
+ @builder = Arrow::MapArrayBuilder.new(data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal([nil], array.collect {|value| value})
+ end
+
+ test("Hash") do
+ @builder.append_value({"a" => 0, "b" => 1})
+ @builder.append_value({"c" => 0, "d" => 1})
+ array = @builder.finish
+ assert_equal([
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1}
+ ],
+ array.collect {|value| value})
+ end
+
+ test("#each") do
+ @builder.append_value([["a", 0], ["b", 1]])
+ @builder.append_value([["c", 0], ["d", 1]])
+ array = @builder.finish
+ assert_equal([
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1}
+ ],
+ array.collect {|value| value})
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("[nil]") do
+ @builder.append_values([nil])
+ array = @builder.finish
+ assert_equal([nil], array.collect {|value| value})
+ end
+
+ test("[Hash]") do
+ @builder.append_values([{"a" => 0, "b" => 1}, {"c" => 0, "d" => 1}])
+ array = @builder.finish
+ assert_equal([
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1}
+ ],
+ array.collect {|value| value})
+ end
+
+ test("[#each]") do
+ @builder.append_values([[["a", 0], ["b", 1]], [["c", 0], ["d", 1]]])
+ array = @builder.finish
+ assert_equal([
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1}
+ ],
+ array.collect {|value| value})
+ end
+
+ test("[nil, Hash, #each]") do
+ @builder.append_values([nil, {"a" => 0, "b" => 1}, [["c", 0], ["d", 1]]])
+ array = @builder.finish
+ assert_equal([
+ nil,
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1}
+ ],
+ array.collect {|value| value})
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ {"a" => 0, "b" => 1},
+ {"c" => 0, "d" => 1},
+ {"e" => 0, "f" => 1}
+ ],
+ [true, false, true])
+ array = @builder.finish
+ assert_equal([
+ {"a" => 0, "b" => 1},
+ nil,
+ {"e" => 0, "f" => 1}
+ ],
+ array.collect {|value| value})
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-map-array.rb b/src/arrow/ruby/red-arrow/test/test-map-array.rb
new file mode 100644
index 000000000..9f4c1ff57
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-map-array.rb
@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class MapArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ key_type = Arrow::StringDataType.new
+ item_type = Arrow::Int16DataType.new
+ data_type = Arrow::MapDataType.new(key_type, item_type)
+ values = [
+ {"a" => 0, "b" => 1},
+ nil,
+ {"c" => 0, "d" => 1}
+ ]
+ array = Arrow::MapArray.new(data_type, values)
+ assert_equal(values, array.collect {|value| value})
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-map-data-type.rb b/src/arrow/ruby/red-arrow/test/test-map-data-type.rb
new file mode 100644
index 000000000..cdbbc2ed1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-map-data-type.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class MapDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ def setup
+ @key = :int8
+ @item = :string
+ end
+
+ test("ordered arguments") do
+ assert_equal("map<int8, string>",
+ Arrow::MapDataType.new(@key, @item).to_s)
+ end
+
+ test("description") do
+ assert_equal("map<int8, string>",
+ Arrow::MapDataType.new(key: @key,
+ item: @item).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-memory-view.rb b/src/arrow/ruby/red-arrow/test/test-memory-view.rb
new file mode 100644
index 000000000..0b9c98c40
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-memory-view.rb
@@ -0,0 +1,434 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class MemoryViewTest < Test::Unit::TestCase
+ def setup
+ unless Fiddle.const_defined?(:MemoryView)
+ omit("Fiddle::MemoryView is needed")
+ end
+ unless Fiddle::MemoryView.respond_to?(:export)
+ omit("Fiddle::MemoryView.export is needed")
+ end
+ end
+
+ def little_endian?
+ [1].pack("s") == [1].pack("s<")
+ end
+
+ test("BooleanArray") do
+ array = Arrow::BooleanArray.new([true] * 9)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ if little_endian?
+ template = "b"
+ else
+ template = "B"
+ end
+ assert_equal([
+ "#{template}8",
+ 1,
+ 2,
+ [(("1" * 9) + ("0" * 7))].pack("#{template}*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Int8Array") do
+ values = [-(2 ** 7), 0, (2 ** 7) - 1]
+ array = Arrow::Int8Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "c",
+ 1,
+ values.size,
+ values.pack("c*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Int16Array") do
+ values = [-(2 ** 15), 0, (2 ** 15) - 1]
+ array = Arrow::Int16Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "s",
+ 2,
+ 2 * values.size,
+ values.pack("s*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Int32Array") do
+ values = [-(2 ** 31), 0, (2 ** 31) - 1]
+ array = Arrow::Int32Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "l",
+ 4,
+ 4 * values.size,
+ values.pack("l*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Int64Array") do
+ values = [-(2 ** 63), 0, (2 ** 63) - 1]
+ array = Arrow::Int64Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q",
+ 8,
+ 8 * values.size,
+ values.pack("q*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("UInt8Array") do
+ values = [0, (2 ** 8) - 1]
+ array = Arrow::UInt8Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "C",
+ 1,
+ values.size,
+ values.pack("C*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("UInt16Array") do
+ values = [0, (2 ** 16) - 1]
+ array = Arrow::UInt16Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "S",
+ 2,
+ 2 * values.size,
+ values.pack("S*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("UInt32Array") do
+ values = [0, (2 ** 32) - 1]
+ array = Arrow::UInt32Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "L",
+ 4,
+ 4 * values.size,
+ values.pack("L*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("UInt64Array") do
+ values = [(2 ** 64) - 1]
+ array = Arrow::UInt64Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "Q",
+ 8,
+ 8 * values.size,
+ values.pack("Q*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("FloatArray") do
+ values = [-1.1, 0.0, 1.1]
+ array = Arrow::FloatArray.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "f",
+ 4,
+ 4 * values.size,
+ values.pack("f*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("DoubleArray") do
+ values = [-1.1, 0.0, 1.1]
+ array = Arrow::DoubleArray.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "d",
+ 8,
+ 8 * values.size,
+ values.pack("d*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("FixedSizeBinaryArray") do
+ values = ["\x01\x02", "\x03\x04", "\x05\x06"]
+ data_type = Arrow::FixedSizeBinaryDataType.new(2)
+ array = Arrow::FixedSizeBinaryArray.new(data_type, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "C2",
+ 2,
+ 2 * values.size,
+ values.join("").b,
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Date32Array") do
+ n_days_since_epoch = 17406 # 2017-08-28
+ values = [n_days_since_epoch]
+ array = Arrow::Date32Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "l",
+ 4,
+ 4 * values.size,
+ values.pack("l*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Date64Array") do
+ n_msecs_since_epoch = 1503878400000 # 2017-08-28T00:00:00Z
+ values = [n_msecs_since_epoch]
+ array = Arrow::Date64Array.new(values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q",
+ 8,
+ 8 * values.size,
+ values.pack("q*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Time32Array") do
+ values = [1, 2, 3]
+ array = Arrow::Time32Array.new(:milli, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "l",
+ 4,
+ 4 * values.size,
+ values.pack("l*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Time64Array") do
+ values = [1, 2, 3]
+ array = Arrow::Time64Array.new(:nano, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q",
+ 8,
+ 8 * values.size,
+ values.pack("q*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("TimestampArray") do
+ values = [1, 2, 3]
+ array = Arrow::TimestampArray.new(:micro, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q",
+ 8,
+ 8 * values.size,
+ values.pack("q*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Decimal128Array") do
+ values = [
+ Arrow::Decimal128.new("10.1"),
+ Arrow::Decimal128.new("11.1"),
+ Arrow::Decimal128.new("10.2"),
+ ]
+ data_type = Arrow::Decimal128DataType.new(3, 1)
+ array = Arrow::Decimal128Array.new(data_type, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q2",
+ 16,
+ 16 * values.size,
+ values.collect {|value| value.to_bytes.to_s}.join(""),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Decimal256Array") do
+ values = [
+ Arrow::Decimal256.new("10.1"),
+ Arrow::Decimal256.new("11.1"),
+ Arrow::Decimal256.new("10.2"),
+ ]
+ data_type = Arrow::Decimal256DataType.new(3, 1)
+ array = Arrow::Decimal256Array.new(data_type, values)
+ Fiddle::MemoryView.export(array) do |memory_view|
+ assert_equal([
+ "q4",
+ 32,
+ 32 * values.size,
+ values.collect {|value| value.to_bytes.to_s}.join(""),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+
+ test("Buffer") do
+ values = [0, nil, nil] * 3
+ array = Arrow::Int8Array.new(values)
+ buffer = array.null_bitmap
+ Fiddle::MemoryView.export(buffer) do |memory_view|
+ if little_endian?
+ template = "b"
+ else
+ template = "B"
+ end
+ assert_equal([
+ "#{template}8",
+ 1,
+ 2,
+ ["100" * 3].pack("#{template}*"),
+ ],
+ [
+ memory_view.format,
+ memory_view.item_size,
+ memory_view.byte_size,
+ memory_view.to_s,
+ ])
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-null-array.rb b/src/arrow/ruby/red-arrow/test/test-null-array.rb
new file mode 100644
index 000000000..c5d061636
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-null-array.rb
@@ -0,0 +1,23 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class NullArrayTest < Test::Unit::TestCase
+ test("#[]") do
+ array = Arrow::NullArray.new(1)
+ assert_nil(array[0])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-orc.rb b/src/arrow/ruby/red-arrow/test/test-orc.rb
new file mode 100644
index 000000000..b882da0a1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-orc.rb
@@ -0,0 +1,173 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class ORCTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def setup
+ omit("Require Apache Arrow ORC") unless Arrow.const_defined?(:ORCFileReader)
+ @orc_path = fixture_path("TestOrcFile.test1.orc")
+ end
+
+ def pp_values(values)
+ "[\n " + values.collect(&:inspect).join(",\n ") + "\n]"
+ end
+
+ sub_test_case("load") do
+ test("default") do
+ table = Arrow::Table.load(@orc_path)
+ dump = table.columns.collect do |column|
+ [
+ column.field.to_s,
+ column.data.chunks.collect(&:to_s),
+ ]
+ end
+ assert_equal([
+ ["boolean1: bool", [pp_values([false, true])]],
+ ["byte1: int8", [pp_values([1, 100])]],
+ ["short1: int16", [pp_values([1024, 2048])]],
+ ["int1: int32", [pp_values([65536, 65536])]],
+ [
+ "long1: int64",
+ [pp_values([9223372036854775807, 9223372036854775807])],
+ ],
+ ["float1: float", [pp_values([1, 2])]],
+ ["double1: double", [pp_values([-15, -5])]],
+ ["bytes1: binary", ["[\n 0001020304,\n \n]"]],
+ ["string1: string", [pp_values(["hi", "bye"])]],
+ [
+ "middle: " +
+ "struct<list: " +
+ "list<item: struct<int1: int32, string1: string>>>",
+ [
+ <<-STRUCT.chomp
+-- is_valid: all not null
+-- child 0 type: list<item: struct<int1: int32, string1: string>>
+ [
+ -- is_valid: all not null
+ -- child 0 type: int32
+ [
+ 1,
+ 2
+ ]
+ -- child 1 type: string
+ [
+ "bye",
+ "sigh"
+ ],
+ -- is_valid: all not null
+ -- child 0 type: int32
+ [
+ 1,
+ 2
+ ]
+ -- child 1 type: string
+ [
+ "bye",
+ "sigh"
+ ]
+ ]
+ STRUCT
+ ]
+ ],
+ [
+ "list: list<item: struct<int1: int32, string1: string>>",
+ [
+ <<-LIST.chomp
+[
+ -- is_valid: all not null
+ -- child 0 type: int32
+ [
+ 3,
+ 4
+ ]
+ -- child 1 type: string
+ [
+ "good",
+ "bad"
+ ],
+ -- is_valid: all not null
+ -- child 0 type: int32
+ [
+ 100000000,
+ -100000,
+ 1234
+ ]
+ -- child 1 type: string
+ [
+ "cat",
+ "in",
+ "hat"
+ ]
+]
+ LIST
+ ]
+ ],
+ [
+ "map: map<string, struct<int1: int32, string1: string>>",
+ [
+ <<-MAP.chomp
+[
+ keys:
+ []
+ values:
+ -- is_valid: all not null
+ -- child 0 type: int32
+ []
+ -- child 1 type: string
+ [],
+ keys:
+ [
+ "chani",
+ "mauddib"
+ ]
+ values:
+ -- is_valid: all not null
+ -- child 0 type: int32
+ [
+ 5,
+ 1
+ ]
+ -- child 1 type: string
+ [
+ "chani",
+ "mauddib"
+ ]
+]
+ MAP
+ ],
+ ],
+ ],
+ dump)
+ end
+
+ test(":field_indexes") do
+ table = Arrow::Table.load(@orc_path, field_indexes: [1, 3])
+ dump = table.columns.collect do |column|
+ [
+ column.field.to_s,
+ column.data.chunks.collect(&:to_s),
+ ]
+ end
+ assert_equal([
+ ["boolean1: bool", [pp_values([false, true])]],
+ ["short1: int16", [pp_values([1024, 2048])]],
+ ],
+ dump)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-record-batch-builder.rb b/src/arrow/ruby/red-arrow/test/test-record-batch-builder.rb
new file mode 100644
index 000000000..988e02043
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-record-batch-builder.rb
@@ -0,0 +1,125 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RecordBatchBuilderTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Schema") do
+ schema = Arrow::Schema.new(visible: :boolean,
+ count: :uint32)
+ builder = Arrow::RecordBatchBuilder.new(schema)
+ assert_equal(schema,
+ builder.schema)
+ end
+
+ test("Hash") do
+ builder = Arrow::RecordBatchBuilder.new(visible: :boolean,
+ count: :uint32)
+ assert_equal(Arrow::Schema.new(visible: :boolean,
+ count: :uint32),
+ builder.schema)
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @schema = Arrow::Schema.new(visible: :boolean,
+ count: :uint32)
+ @builder = Arrow::RecordBatchBuilder.new(@schema)
+ end
+
+ sub_test_case("#[]") do
+ test("String") do
+ assert_equal(Arrow::BooleanDataType.new,
+ @builder["visible"].value_data_type)
+ end
+
+ test("Symbol") do
+ assert_equal(Arrow::BooleanDataType.new,
+ @builder[:visible].value_data_type)
+ end
+
+ test("Integer") do
+ assert_equal(Arrow::UInt32DataType.new,
+ @builder[1].value_data_type)
+ end
+ end
+
+ test("#append") do
+ records = [
+ {visible: true, count: 1},
+ ]
+ columns = {
+ visible: [false],
+ count: [2],
+ }
+ arrays = [
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::UInt32Array.new([1, 2]),
+ ]
+ @builder.append(records, columns)
+ assert_equal(Arrow::RecordBatch.new(@schema,
+ arrays[0].length,
+ arrays),
+ @builder.flush)
+ end
+
+ test("#append_records") do
+ records = [
+ {visible: true, count: 1},
+ {visible: true, count: 2, garbage: "garbage"},
+ {visible: true},
+ [false, 4],
+ nil,
+ [true],
+ ]
+ arrays = [
+ Arrow::BooleanArray.new([true, true, true, false, nil, true]),
+ Arrow::UInt32Array.new([1, 2, nil, 4, nil, nil]),
+ ]
+ @builder.append_records(records)
+ assert_equal(Arrow::RecordBatch.new(@schema,
+ arrays[0].length,
+ arrays),
+ @builder.flush)
+ end
+
+ test("#append_columns") do
+ columns = {
+ visible: [true, true, true, false, nil, true],
+ count: [1, 2, nil, 4, nil, nil],
+ }
+ arrays = [
+ Arrow::BooleanArray.new(columns[:visible]),
+ Arrow::UInt32Array.new(columns[:count]),
+ ]
+ @builder.append_columns(columns)
+ assert_equal(Arrow::RecordBatch.new(@schema,
+ arrays[0].length,
+ arrays),
+ @builder.flush)
+ end
+
+ test("#column_builders") do
+ column_builders = [
+ @builder.get_column_builder(0),
+ @builder.get_column_builder(1),
+ ]
+ assert_equal(column_builders,
+ @builder.column_builders)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-record-batch-file-reader.rb b/src/arrow/ruby/red-arrow/test/test-record-batch-file-reader.rb
new file mode 100644
index 000000000..57b02abf9
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-record-batch-file-reader.rb
@@ -0,0 +1,115 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RecordBatchFileReaderTest < Test::Unit::TestCase
+ test("write/read") do
+ fields = [
+ Arrow::Field.new("uint8", :uint8),
+ Arrow::Field.new("uint16", :uint16),
+ Arrow::Field.new("uint32", :uint32),
+ Arrow::Field.new("uint64", :uint64),
+ Arrow::Field.new("int8", :int8),
+ Arrow::Field.new("int16", :int16),
+ Arrow::Field.new("int32", :int32),
+ Arrow::Field.new("int64", :int64),
+ Arrow::Field.new("float", :float),
+ Arrow::Field.new("double", :double),
+ ]
+ schema = Arrow::Schema.new(fields)
+
+ tempfile = Tempfile.new(["batch", ".arrow"])
+ Arrow::FileOutputStream.open(tempfile.path, false) do |output|
+ Arrow::RecordBatchFileWriter.open(output, schema) do |writer|
+ uints = [1, 2, 4, 8]
+ ints = [1, -2, 4, -8]
+ floats = [1.1, -2.2, 4.4, -8.8]
+ columns = [
+ Arrow::UInt8Array.new(uints),
+ Arrow::UInt16Array.new(uints),
+ Arrow::UInt32Array.new(uints),
+ Arrow::UInt64Array.new(uints),
+ Arrow::Int8Array.new(ints),
+ Arrow::Int16Array.new(ints),
+ Arrow::Int32Array.new(ints),
+ Arrow::Int64Array.new(ints),
+ Arrow::FloatArray.new(floats),
+ Arrow::DoubleArray.new(floats),
+ ]
+
+ record_batch = Arrow::RecordBatch.new(schema, 4, columns)
+ writer.write_record_batch(record_batch)
+ end
+ end
+
+ Arrow::MemoryMappedInputStream.open(tempfile.path) do |input|
+ reader = Arrow::RecordBatchFileReader.new(input)
+ reader.each do |record_batch|
+ assert_equal([
+ {
+ "uint8" => 1,
+ "uint16" => 1,
+ "uint32" => 1,
+ "uint64" => 1,
+ "int8" => 1,
+ "int16" => 1,
+ "int32" => 1,
+ "int64" => 1,
+ "float" => 1.100000023841858,
+ "double" => 1.1,
+ },
+ {
+ "uint8" => 2,
+ "uint16" => 2,
+ "uint32" => 2,
+ "uint64" => 2,
+ "int8" => -2,
+ "int16" => -2,
+ "int32" => -2,
+ "int64" => -2,
+ "float" => -2.200000047683716,
+ "double" => -2.2,
+ },
+ {
+ "uint8" => 4,
+ "uint16" => 4,
+ "uint32" => 4,
+ "uint64" => 4,
+ "int8" => 4,
+ "int16" => 4,
+ "int32" => 4,
+ "int64" => 4,
+ "float" => 4.400000095367432,
+ "double" => 4.4,
+ },
+ {
+ "uint8" => 8,
+ "uint16" => 8,
+ "uint32" => 8,
+ "uint64" => 8,
+ "int8" => -8,
+ "int16" => -8,
+ "int32" => -8,
+ "int64" => -8,
+ "float" => -8.800000190734863,
+ "double" => -8.8,
+ },
+ ],
+ record_batch.collect(&:to_h))
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-record-batch-iterator.rb b/src/arrow/ruby/red-arrow/test/test-record-batch-iterator.rb
new file mode 100644
index 000000000..88f3ecaac
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-record-batch-iterator.rb
@@ -0,0 +1,37 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RecordBatchIteratorTest < Test::Unit::TestCase
+ def setup
+ @schema = Arrow::Schema.new(visible: :boolean,
+ count: :uint32)
+ @record_batches = [
+ Arrow::RecordBatch.new(@schema,
+ visible: [true],
+ count: [1]),
+ Arrow::RecordBatch.new(@schema,
+ visible: [false, nil],
+ count: [nil, 3]),
+ ]
+ @iterator = Arrow::RecordBatchIterator.new(@record_batches)
+ end
+
+ def test_to_a
+ assert_equal(@record_batches,
+ @iterator.to_a)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-record-batch-reader.rb b/src/arrow/ruby/red-arrow/test/test-record-batch-reader.rb
new file mode 100644
index 000000000..1becdf5b6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-record-batch-reader.rb
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestRecordBatchReader < Test::Unit::TestCase
+ sub_test_case(".try_convert") do
+ test("Arrow::RecordBatch") do
+ record_batch =
+ Arrow::RecordBatch.new("count" => [1, 2, 3],
+ "private" => [true, false, true])
+ reader = Arrow::RecordBatchReader.try_convert(record_batch)
+ assert_equal(record_batch,
+ reader.read_next)
+ end
+
+ test("[Arrow::RecordBatch]") do
+ record_batch =
+ Arrow::RecordBatch.new("count" => [1, 2, 3],
+ "private" => [true, false, true])
+ reader = Arrow::RecordBatchReader.try_convert([record_batch])
+ assert_equal(record_batch,
+ reader.read_next)
+ end
+
+ test("Arrow::Table") do
+ table = Arrow::Table.new("count" => [1, 2, 3],
+ "private" => [true, false, true])
+ reader = Arrow::RecordBatchReader.try_convert(table)
+ assert_equal(table,
+ reader.read_all)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-record-batch.rb b/src/arrow/ruby/red-arrow/test/test-record-batch.rb
new file mode 100644
index 000000000..e94c26f2e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-record-batch.rb
@@ -0,0 +1,182 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RecordBatchTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ def setup
+ @schema = Arrow::Schema.new(visible: :boolean,
+ count: :uint32)
+ end
+
+ test("[raw_table]") do
+ raw_table = {
+ visible: [true, nil, false],
+ count: [1, nil, 3],
+ }
+ record_batch = Arrow::RecordBatch.new(raw_table)
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => nil, "count" => nil},
+ {"visible" => false, "count" => 3},
+ ],
+ record_batch.each_record.collect(&:to_h))
+ end
+
+ test("[Schema, records]") do
+ records = [
+ {visible: true, count: 1},
+ nil,
+ [false, 3],
+ ]
+ record_batch = Arrow::RecordBatch.new(@schema, records)
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => nil, "count" => nil},
+ {"visible" => false, "count" => 3},
+ ],
+ record_batch.each_record.collect(&:to_h))
+ end
+
+ test("[Schema, columns]") do
+ columns = {
+ visible: [true, nil, false],
+ count: [1, 2, nil],
+ }
+ record_batch = Arrow::RecordBatch.new(@schema, columns)
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => nil, "count" => 2},
+ {"visible" => false, "count" => nil},
+ ],
+ record_batch.each_record.collect(&:to_h))
+ end
+
+ test("[Schema, n_rows, columns]") do
+ columns = [
+ Arrow::BooleanArray.new([true, nil, false]),
+ Arrow::UInt32Array.new([1, 2, nil]),
+ ]
+ n_rows = columns[0].length
+ record_batch = Arrow::RecordBatch.new(@schema, n_rows, columns)
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => nil, "count" => 2},
+ {"visible" => false, "count" => nil},
+ ],
+ record_batch.each_record.collect(&:to_h))
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @schema = Arrow::Schema.new(count: :uint32)
+ @counts = Arrow::UInt32Array.new([1, 2, 4, 8])
+ @record_batch = Arrow::RecordBatch.new(@schema, @counts.length, [@counts])
+ end
+
+ sub_test_case("#each") do
+ test("default") do
+ records = []
+ @record_batch.each do |record|
+ records << [record, record.index]
+ end
+ assert_equal([
+ [0, 0],
+ [1, 1],
+ [2, 2],
+ [3, 3],
+ ],
+ records.collect {|record, i| [record.index, i]})
+ end
+
+ test("reuse_record: true") do
+ records = []
+ @record_batch.each(reuse_record: true) do |record|
+ records << [record, record.index]
+ end
+ assert_equal([
+ [3, 0],
+ [3, 1],
+ [3, 2],
+ [3, 3],
+ ],
+ records.collect {|record, i| [record.index, i]})
+ end
+ end
+
+ test("#to_table") do
+ assert_equal(Arrow::Table.new(@schema, [@counts]),
+ @record_batch.to_table)
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::RecordBatch") do
+ assert do
+ @record_batch == @record_batch
+ end
+ end
+
+ test("not Arrow::RecordBatch") do
+ assert do
+ not (@record_batch == 29)
+ end
+ end
+ end
+
+ sub_test_case("#[]") do
+ def setup
+ @record_batch = Arrow::RecordBatch.new(a: [true],
+ b: [true],
+ c: [true],
+ d: [true],
+ e: [true],
+ f: [true],
+ g: [true])
+ end
+
+ test("[String]") do
+ assert_equal(Arrow::Column.new(@record_batch, 0),
+ @record_batch["a"])
+ end
+
+ test("[Symbol]") do
+ assert_equal(Arrow::Column.new(@record_batch, 1),
+ @record_batch[:b])
+ end
+
+ test("[Integer]") do
+ assert_equal(Arrow::Column.new(@record_batch, 6),
+ @record_batch[-1])
+ end
+
+ test("[Range]") do
+ assert_equal(Arrow::RecordBatch.new(d: [true],
+ e: [true]),
+ @record_batch[3..4])
+ end
+
+ test("[[Symbol, String, Integer, Range]]") do
+ assert_equal(Arrow::RecordBatch.new(c: [true],
+ a: [true],
+ g: [true],
+ d: [true],
+ e: [true]),
+ @record_batch[[:c, "a", -1, 3..4]])
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-rolling-window.rb b/src/arrow/ruby/red-arrow/test/test-rolling-window.rb
new file mode 100644
index 000000000..4158ad162
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-rolling-window.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class RollingWindowTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def setup
+ raw_table = {
+ :number => Arrow::Int32Array.new([1, -2, nil, 4, 6, 3]),
+ }
+ @table = Arrow::Table.new(raw_table)
+ end
+
+ test("#lag") do
+ assert_equal(<<-ARRAY.chomp, @table.window.lag(:number).to_s)
+[
+ null,
+ -3,
+ null,
+ null,
+ 2,
+ -3
+]
+ ARRAY
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-schema.rb b/src/arrow/ruby/red-arrow/test/test-schema.rb
new file mode 100644
index 000000000..20d73b272
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-schema.rb
@@ -0,0 +1,134 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SchemaTest < Test::Unit::TestCase
+ include Helper::Omittable
+
+ def setup
+ @count_field = Arrow::Field.new("count", :uint32)
+ @visible_field = Arrow::Field.new("visible", :boolean)
+ end
+
+ sub_test_case(".new") do
+ test("[Arrow::Field]") do
+ fields = [
+ @count_field,
+ @visible_field,
+ ]
+ assert_equal("count: uint32\n" +
+ "visible: bool",
+ Arrow::Schema.new(fields).to_s)
+ end
+
+ test("[Arrow::Field, Hash]") do
+ fields = [
+ @count_field,
+ {name: "visible", type: :boolean},
+ ]
+ assert_equal("count: uint32\n" +
+ "visible: bool",
+ Arrow::Schema.new(fields).to_s)
+ end
+
+ test("{String, Symbol => Arrow::DataType}") do
+ fields = {
+ "count" => Arrow::UInt32DataType.new,
+ :visible => :boolean,
+ }
+ assert_equal("count: uint32\n" +
+ "visible: bool",
+ Arrow::Schema.new(fields).to_s)
+ end
+
+ test("{String, Symbol => Hash}") do
+ fields = {
+ "count" => {type: :uint32},
+ :tags => {
+ type: :list,
+ field: {
+ name: "tag",
+ type: :string,
+ },
+ },
+ }
+ assert_equal("count: uint32\n" +
+ "tags: list<tag: string>",
+ Arrow::Schema.new(fields).to_s)
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ super
+ @schema = Arrow::Schema.new([@count_field, @visible_field])
+ end
+
+ sub_test_case("#[]") do
+ test("[String]") do
+ assert_equal([@count_field, @visible_field],
+ [@schema["count"], @schema["visible"]])
+ end
+
+ test("[Symbol]") do
+ assert_equal([@count_field, @visible_field],
+ [@schema[:count], @schema[:visible]])
+ end
+
+ test("[Integer]") do
+ assert_equal([@count_field, @visible_field],
+ [@schema[0], @schema[1]])
+ end
+
+ test("[invalid]") do
+ invalid = []
+ message = "field name or index must be String, Symbol or Integer"
+ message << ": <#{invalid.inspect}>"
+ assert_raise(ArgumentError.new(message)) do
+ @schema[invalid]
+ end
+ end
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Schema") do
+ assert do
+ @schema == @schema
+ end
+ end
+
+ test("not Arrow::Schema") do
+ assert do
+ not (@schema == 29)
+ end
+ end
+ end
+
+ sub_test_case("#to_s") do
+ test("show_metadata") do
+ require_gi_bindings(3, 4, 2)
+
+ schema = @schema.with_metadata("key" => "value")
+ assert_equal(<<-SCHEMA.chomp, schema.to_s(show_metadata: true))
+count: uint32
+visible: bool
+-- metadata --
+key: value
+ SCHEMA
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-slicer.rb b/src/arrow/ruby/red-arrow/test/test-slicer.rb
new file mode 100644
index 000000000..420086690
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-slicer.rb
@@ -0,0 +1,487 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SlicerTest < Test::Unit::TestCase
+ def setup
+ @count_field = Arrow::Field.new("count", :uint32)
+ @visible_field = Arrow::Field.new("visible", :boolean)
+ schema = Arrow::Schema.new([@count_field, @visible_field])
+ count_arrays = [
+ Arrow::UInt32Array.new([0, 1, 2]),
+ Arrow::UInt32Array.new([4, 8, 16]),
+ Arrow::UInt32Array.new([32, 64, nil]),
+ Arrow::UInt32Array.new([256]),
+ ]
+ visible_arrays = [
+ Arrow::BooleanArray.new([nil, true, false, nil]),
+ Arrow::BooleanArray.new([true]),
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([nil]),
+ Arrow::BooleanArray.new([nil]),
+ Arrow::BooleanArray.new([true]),
+ ]
+ @count_array = Arrow::ChunkedArray.new(count_arrays)
+ @visible_array = Arrow::ChunkedArray.new(visible_arrays)
+ @table = Arrow::Table.new(schema, [@count_array, @visible_array])
+ end
+
+ sub_test_case("column") do
+ test("BooleanArray") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 1 true
+2 (null) (null)
+3 8 true
+4 16 true
+5 (null) (null)
+6 (null) (null)
+7 256 true
+ TABLE
+ end
+
+ test("not BooleanArray") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+3 8 true
+4 16 true
+5 32 false
+6 64 (null)
+7 (null) (null)
+8 256 true
+ TABLE
+ end
+ end
+
+ sub_test_case("!column") do
+ test("BooleanArray") do
+ sliced_table = @table.slice do |slicer|
+ !slicer.visible
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 (null) (null)
+3 32 false
+4 (null) (null)
+5 (null) (null)
+ TABLE
+ end
+
+ test("not BooleanArray") do
+ sliced_table = @table.slice do |slicer|
+ !slicer.count
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 (null) (null)
+ TABLE
+ end
+ end
+
+ test("column.null?") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible.null?
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 4 (null)
+2 64 (null)
+3 (null) (null)
+ TABLE
+ end
+
+ test("column.valid?") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible.valid?
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 1 true
+1 2 false
+2 8 true
+3 16 true
+4 32 false
+5 256 true
+ TABLE
+ end
+
+ sub_test_case("column ==") do
+ test("nil") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible == nil
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 4 (null)
+2 64 (null)
+3 (null) (null)
+ TABLE
+ end
+
+ test("value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible == true
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 1 true
+2 (null) (null)
+3 8 true
+4 16 true
+5 (null) (null)
+6 (null) (null)
+7 256 true
+ TABLE
+ end
+ end
+
+ sub_test_case("!(column ==)") do
+ test("nil") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.visible == nil)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 1 true
+1 2 false
+2 8 true
+3 16 true
+4 32 false
+5 256 true
+ TABLE
+ end
+
+ test("value") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.visible == true)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 (null) (null)
+3 32 false
+4 (null) (null)
+5 (null) (null)
+ TABLE
+ end
+ end
+
+ sub_test_case("column !=") do
+ test("nil") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible != nil
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 1 true
+1 2 false
+2 8 true
+3 16 true
+4 32 false
+5 256 true
+ TABLE
+ end
+
+ test("value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible != true
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 (null) (null)
+3 32 false
+4 (null) (null)
+5 (null) (null)
+ TABLE
+ end
+ end
+
+ test("column < value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count < 16
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 2 false
+3 4 (null)
+4 8 true
+5 (null) (null)
+ TABLE
+ end
+
+ test("!(column < value)") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.count < 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 16 true
+1 32 false
+2 64 (null)
+3 (null) (null)
+4 256 true
+ TABLE
+ end
+
+ test("column <= value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count <= 16
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 2 false
+3 4 (null)
+4 8 true
+5 16 true
+6 (null) (null)
+ TABLE
+ end
+
+ test("!(column <= value)") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.count <= 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 32 false
+1 64 (null)
+2 (null) (null)
+3 256 true
+ TABLE
+ end
+
+ test("column > value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count > 16
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 32 false
+1 64 (null)
+2 (null) (null)
+3 256 true
+ TABLE
+ end
+
+ test("!(column > value)") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.count > 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 2 false
+3 4 (null)
+4 8 true
+5 16 true
+6 (null) (null)
+ TABLE
+ end
+
+ test("column >= value") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count >= 16
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 16 true
+1 32 false
+2 64 (null)
+3 (null) (null)
+4 256 true
+ TABLE
+ end
+
+ test("!(column >= value)") do
+ sliced_table = @table.slice do |slicer|
+ !(slicer.count >= 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 2 false
+3 4 (null)
+4 8 true
+5 (null) (null)
+ TABLE
+ end
+
+ test("column.in") do
+ sliced_table = @table.slice do |slicer|
+ slicer.count.in?([1, 4, 16, 64])
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 1 true
+1 4 (null)
+2 16 true
+3 64 (null)
+ TABLE
+ end
+
+ test("!column.in") do
+ sliced_table = @table.slice do |slicer|
+ !slicer.count.in?([1, 4, 16, 64])
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 2 false
+2 8 true
+3 32 false
+4 (null) (null)
+5 256 true
+ TABLE
+ end
+
+ test("condition & condition") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible & (slicer.count >= 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 (null) (null)
+2 16 true
+3 (null) (null)
+4 (null) (null)
+5 256 true
+ TABLE
+ end
+
+ test("condition | condition") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible | (slicer.count >= 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 1 true
+2 (null) (null)
+3 8 true
+4 16 true
+5 32 false
+6 (null) (null)
+7 (null) (null)
+8 256 true
+ TABLE
+ end
+
+ test("condition ^ condition") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible ^ (slicer.count >= 16)
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 (null) (null)
+1 1 true
+2 (null) (null)
+3 8 true
+4 32 false
+5 (null) (null)
+6 (null) (null)
+ TABLE
+ end
+
+ test("select") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible.select do |value|
+ value.nil? or value
+ end
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 4 (null)
+3 8 true
+4 16 true
+5 64 (null)
+6 (null) (null)
+7 256 true
+ TABLE
+ end
+
+ test("!select") do
+ sliced_table = @table.slice do |slicer|
+ !slicer.visible.select do |value|
+ value.nil? or value
+ end
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 2 false
+1 32 false
+ TABLE
+ end
+
+ test("reject") do
+ sliced_table = @table.slice do |slicer|
+ slicer.visible.reject do |value|
+ value.nil? or value
+ end
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 2 false
+1 32 false
+ TABLE
+ end
+
+ test("!reject") do
+ sliced_table = @table.slice do |slicer|
+ !slicer.visible.reject do |value|
+ value.nil? or value
+ end
+ end
+ assert_equal(<<-TABLE, sliced_table.to_s)
+ count visible
+0 0 (null)
+1 1 true
+2 4 (null)
+3 8 true
+4 16 true
+5 64 (null)
+6 (null) (null)
+7 256 true
+ TABLE
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-sort-indices.rb b/src/arrow/ruby/red-arrow/test/test-sort-indices.rb
new file mode 100644
index 000000000..b177831fe
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-sort-indices.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SortIndicesTest < Test::Unit::TestCase
+ def setup
+ @table = Arrow::Table.new(number1: [16, -1, 2, 32, -4, -4, -8],
+ number2: [32, 2, -16, 8, 1, 4, 1])
+ end
+
+ sub_test_case("Table") do
+ test("Symbol") do
+ assert_equal(Arrow::UInt64Array.new([6, 4, 5, 1, 2, 0, 3]),
+ @table.sort_indices(:number1))
+ end
+
+ test("-String") do
+ assert_equal(Arrow::UInt64Array.new([3, 0, 2, 1, 4, 5, 6]),
+ @table.sort_indices("-number1"))
+ end
+
+ test("Symbol, -String") do
+ assert_equal(Arrow::UInt64Array.new([6, 5, 4, 1, 2, 0, 3]),
+ @table.sort_indices([:number1, "-number2"]))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-sort-key.rb b/src/arrow/ruby/red-arrow/test/test-sort-key.rb
new file mode 100644
index 000000000..0a31f8461
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-sort-key.rb
@@ -0,0 +1,81 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SortKeyTest < Test::Unit::TestCase
+ sub_test_case(".resolve") do
+ test("SortKey") do
+ assert_equal(Arrow::SortKey.new("-count"),
+ Arrow::SortKey.resolve(Arrow::SortKey.new("-count")))
+ end
+
+ test("-String") do
+ assert_equal(Arrow::SortKey.new("-count"),
+ Arrow::SortKey.resolve("-count"))
+ end
+
+ test("Symbol, Symbol") do
+ assert_equal(Arrow::SortKey.new("-count"),
+ Arrow::SortKey.resolve(:count, :desc))
+ end
+ end
+
+ sub_test_case("#initialize") do
+ test("String") do
+ assert_equal("+count",
+ Arrow::SortKey.new("count").to_s)
+ end
+
+ test("+String") do
+ assert_equal("+count",
+ Arrow::SortKey.new("+count").to_s)
+ end
+
+ test("-String") do
+ assert_equal("-count",
+ Arrow::SortKey.new("-count").to_s)
+ end
+
+ test("Symbol") do
+ assert_equal("+-count",
+ Arrow::SortKey.new(:"-count").to_s)
+ end
+
+ test("String, Symbol") do
+ assert_equal("--count",
+ Arrow::SortKey.new("-count", :desc).to_s)
+ end
+
+ test("String, String") do
+ assert_equal("--count",
+ Arrow::SortKey.new("-count", "desc").to_s)
+ end
+
+ test("String, SortOrder") do
+ assert_equal("--count",
+ Arrow::SortKey.new("-count",
+ Arrow::SortOrder::DESCENDING).to_s)
+ end
+ end
+
+ sub_test_case("#to_s") do
+ test("recreatable") do
+ key = Arrow::SortKey.new("-count", :desc)
+ assert_equal(key,
+ Arrow::SortKey.new(key.to_s))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-sort-options.rb b/src/arrow/ruby/red-arrow/test/test-sort-options.rb
new file mode 100644
index 000000000..0afd65b0f
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-sort-options.rb
@@ -0,0 +1,58 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SortOptionsTest < Test::Unit::TestCase
+ sub_test_case("#initialize") do
+ test("none") do
+ options = Arrow::SortOptions.new
+ assert_equal([],
+ options.sort_keys.collect(&:to_s))
+ end
+
+ test("-String, Symbol") do
+ options = Arrow::SortOptions.new("-count", :age)
+ assert_equal(["-count", "+age"],
+ options.sort_keys.collect(&:to_s))
+ end
+ end
+
+ sub_test_case("instance methods") do
+ setup do
+ @options = Arrow::SortOptions.new
+ end
+
+ sub_test_case("#add_sort_key") do
+ test("-String") do
+ @options.add_sort_key("-count")
+ assert_equal(["-count"],
+ @options.sort_keys.collect(&:to_s))
+ end
+
+ test("-String, Symbol") do
+ @options.add_sort_key("-count", :desc)
+ assert_equal(["--count"],
+ @options.sort_keys.collect(&:to_s))
+ end
+
+ test("SortKey") do
+ @options.add_sort_key(Arrow::SortKey.new("-count"))
+ assert_equal(["-count"],
+ @options.sort_keys.collect(&:to_s))
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-sparse-union-data-type.rb b/src/arrow/ruby/red-arrow/test/test-sparse-union-data-type.rb
new file mode 100644
index 000000000..e672f82d4
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-sparse-union-data-type.rb
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class SparseUnionDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ def setup
+ @fields = [
+ Arrow::Field.new("visible", :boolean),
+ {
+ name: "count",
+ type: :int32,
+ },
+ ]
+ end
+
+ test("ordered arguments") do
+ assert_equal("sparse_union<visible: bool=2, count: int32=9>",
+ Arrow::SparseUnionDataType.new(@fields, [2, 9]).to_s)
+ end
+
+ test("description") do
+ assert_equal("sparse_union<visible: bool=2, count: int32=9>",
+ Arrow::SparseUnionDataType.new(fields: @fields,
+ type_codes: [2, 9]).to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-string-dictionary-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-string-dictionary-array-builder.rb
new file mode 100644
index 000000000..d6df509ed
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-string-dictionary-array-builder.rb
@@ -0,0 +1,103 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class StringDictionaryArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @builder = Arrow::StringDictionaryArrayBuilder.new
+ end
+
+ sub_test_case("#append_values") do
+ test("[nil]") do
+ @builder.append_values([nil])
+ array = @builder.finish
+ assert_equal([
+ [],
+ [nil],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[String]") do
+ @builder.append_values(["hello"])
+ array = @builder.finish
+ assert_equal([
+ ["hello"],
+ [0],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[Symbol]") do
+ @builder.append_values([:hello])
+ array = @builder.finish
+ assert_equal([
+ ["hello"],
+ [0],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("[nil, String, Symbol]") do
+ @builder.append_values([
+ nil,
+ "Hello",
+ :world,
+ "world",
+ ])
+ array = @builder.finish
+ assert_equal([
+ ["Hello", "world"],
+ [nil, 0, 1, 1],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ "Hello",
+ :world,
+ :goodbye,
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ ["Hello", "goodbye"],
+ [0, nil, 1],
+ ],
+ [
+ array.dictionary.to_a,
+ array.indices.to_a,
+ ])
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-struct-array-builder.rb b/src/arrow/ruby/red-arrow/test/test-struct-array-builder.rb
new file mode 100644
index 000000000..ab0aa5edf
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-struct-array-builder.rb
@@ -0,0 +1,184 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class StructArrayBuilderTest < Test::Unit::TestCase
+ def setup
+ @data_type = Arrow::StructDataType.new(visible: {type: :boolean},
+ count: {type: :uint64})
+ @builder = Arrow::StructArrayBuilder.new(@data_type)
+ end
+
+ sub_test_case("#append_value") do
+ test("nil") do
+ @builder.append_value(nil)
+ array = @builder.finish
+ assert_equal([
+ [false],
+ [0],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("Array") do
+ @builder.append_value([true, 1])
+ @builder.append_value([])
+ @builder.append_value([false])
+ array = @builder.finish
+ assert_equal([
+ [true, nil, false],
+ [1, nil, nil],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("Arrow::Struct") do
+ source_array = Arrow::StructArray.new(@data_type, [[true, 1]])
+ struct = source_array.get_value(0)
+ @builder.append_value(struct)
+ array = @builder.finish
+ assert_equal([
+ [true],
+ [1],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("Hash") do
+ @builder.append_value(count: 1, visible: true)
+ @builder.append_value(visible: false)
+ @builder.append_value(count: 2)
+ array = @builder.finish
+ assert_equal([
+ [true, false, nil],
+ [1, nil, 2],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+ end
+
+ sub_test_case("#append_values") do
+ test("[nil]") do
+ @builder.append_values([nil])
+ array = @builder.finish
+ assert_equal([
+ [false],
+ [0],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("[Array]") do
+ @builder.append_values([[true, 1]])
+ array = @builder.finish
+ assert_equal([
+ [true],
+ [1],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("[Hash]") do
+ @builder.append_values([{count: 1, visible: true}])
+ array = @builder.finish
+ assert_equal([
+ [true],
+ [1],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("[nil, Array, Hash]") do
+ @builder.append_values([
+ nil,
+ [true, 1],
+ {count: 2, visible: false},
+ ])
+ array = @builder.finish
+ assert_equal([
+ [false, true, false],
+ [0, 1, 2],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+
+ test("is_valids") do
+ @builder.append_values([
+ [true, 1],
+ [false, 2],
+ [true, 3],
+ ],
+ [
+ true,
+ false,
+ true,
+ ])
+ array = @builder.finish
+ assert_equal([
+ [true, false, true],
+ [1, 0, 3],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+ end
+
+ sub_test_case("#append") do
+ test("backward compatibility") do
+ @builder.append
+ @builder.get_field_builder(0).append(true)
+ @builder.get_field_builder(1).append(1)
+ @builder.append
+ @builder.get_field_builder(0).append(false)
+ @builder.get_field_builder(1).append(2)
+ array = @builder.finish
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => false, "count" => 2},
+ ],
+ [
+ array.get_value(0),
+ array.get_value(1),
+ ])
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-struct-array.rb b/src/arrow/ruby/red-arrow/test/test-struct-array.rb
new file mode 100644
index 000000000..2c01f33ef
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-struct-array.rb
@@ -0,0 +1,94 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class StructArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("build") do
+ data_type = Arrow::StructDataType.new(visible: :boolean,
+ count: :uint64)
+ values = [
+ [true, 1],
+ nil,
+ [false, 2],
+ ]
+ array = Arrow::StructArray.new(data_type, values)
+ assert_equal([
+ [true, false, false],
+ [1, 0, 2],
+ ],
+ [
+ array.find_field(0).to_a,
+ array.find_field(1).to_a,
+ ])
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ @data_type = Arrow::StructDataType.new(visible: {type: :boolean},
+ count: {type: :uint64})
+ @values = [
+ [true, 1],
+ [false, 2],
+ ]
+ @array = Arrow::StructArray.new(@data_type, @values)
+ end
+
+ test("#[]") do
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => false, "count" => 2},
+ ],
+ @array.to_a)
+ end
+
+ test("#get_value") do
+ assert_equal([
+ {"visible" => true, "count" => 1},
+ {"visible" => false, "count" => 2},
+ ],
+ [
+ @array.get_value(0),
+ @array.get_value(1),
+ ])
+ end
+
+ sub_test_case("#find_field") do
+ test("Integer") do
+ assert_equal([
+ [true, false],
+ [1, 2],
+ ],
+ [
+ @array.find_field(0).to_a,
+ @array.find_field(1).to_a,
+ ])
+ end
+
+ test("String, Symbol") do
+ assert_equal([
+ [true, false],
+ [1, 2],
+ ],
+ [
+ @array.find_field("visible").to_a,
+ @array.find_field(:count).to_a,
+ ])
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-struct-data-type.rb b/src/arrow/ruby/red-arrow/test/test-struct-data-type.rb
new file mode 100644
index 000000000..d106e38b1
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-struct-data-type.rb
@@ -0,0 +1,112 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class StructDataTypeTest < Test::Unit::TestCase
+ def setup
+ @count_field = Arrow::Field.new("count", :uint32)
+ @visible_field = Arrow::Field.new("visible", :boolean)
+ end
+
+ sub_test_case(".new") do
+ test("[Arrow::Field]") do
+ fields = [
+ @count_field,
+ @visible_field,
+ ]
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+
+ test("[Hash]") do
+ fields = [
+ {name: "count", data_type: :uint32},
+ {name: "visible", data_type: :boolean},
+ ]
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+
+ test("[Arrow::Field, Hash]") do
+ fields = [
+ @count_field,
+ {name: "visible", data_type: :boolean},
+ ]
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+
+ test("{Arrow::DataType}") do
+ fields = {
+ "count" => Arrow::UInt32DataType.new,
+ "visible" => Arrow::BooleanDataType.new,
+ }
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+
+ test("{Hash}") do
+ fields = {
+ "count" => {type: :uint32},
+ "visible" => {type: :boolean},
+ }
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+
+ test("{String, Symbol}") do
+ fields = {
+ "count" => "uint32",
+ "visible" => :boolean,
+ }
+ assert_equal("struct<count: uint32, visible: bool>",
+ Arrow::StructDataType.new(fields).to_s)
+ end
+ end
+
+ sub_test_case("instance methods") do
+ def setup
+ super
+ @data_type = Arrow::StructDataType.new([@count_field, @visible_field])
+ end
+
+ sub_test_case("#[]") do
+ test("[String]") do
+ assert_equal([@count_field, @visible_field],
+ [@data_type["count"], @data_type["visible"]])
+ end
+
+ test("[Symbol]") do
+ assert_equal([@count_field, @visible_field],
+ [@data_type[:count], @data_type[:visible]])
+ end
+
+ test("[Integer]") do
+ assert_equal([@count_field, @visible_field],
+ [@data_type[0], @data_type[1]])
+ end
+
+ test("[invalid]") do
+ invalid = []
+ message = "field name or index must be String, Symbol or Integer"
+ message << ": <#{invalid.inspect}>"
+ assert_raise(ArgumentError.new(message)) do
+ @data_type[invalid]
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-table.rb b/src/arrow/ruby/red-arrow/test/test-table.rb
new file mode 100644
index 000000000..78361a824
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-table.rb
@@ -0,0 +1,925 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TableTest < Test::Unit::TestCase
+ include Helper::Fixture
+
+ def setup
+ @count_field = Arrow::Field.new("count", :uint8)
+ @visible_field = Arrow::Field.new("visible", :boolean)
+ schema = Arrow::Schema.new([@count_field, @visible_field])
+ count_arrays = [
+ Arrow::UInt8Array.new([1, 2]),
+ Arrow::UInt8Array.new([4, 8, 16]),
+ Arrow::UInt8Array.new([32, 64]),
+ Arrow::UInt8Array.new([128]),
+ ]
+ visible_arrays = [
+ Arrow::BooleanArray.new([true, false, nil]),
+ Arrow::BooleanArray.new([true]),
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([nil]),
+ Arrow::BooleanArray.new([nil]),
+ ]
+ @count_array = Arrow::ChunkedArray.new(count_arrays)
+ @visible_array = Arrow::ChunkedArray.new(visible_arrays)
+ @table = Arrow::Table.new(schema, [@count_array, @visible_array])
+ end
+
+ test("#columns") do
+ assert_equal([
+ Arrow::Column.new(@table, 0),
+ Arrow::Column.new(@table, 1),
+ ],
+ @table.columns)
+ end
+
+ sub_test_case("#slice") do
+ test("Arrow::BooleanArray") do
+ target_rows_raw = [nil, true, true, false, true, false, true, true]
+ target_rows = Arrow::BooleanArray.new(target_rows_raw)
+ assert_equal(<<-TABLE, @table.slice(target_rows).to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 4 (null)
+3 16 true
+4 64 (null)
+5 128 (null)
+ TABLE
+ end
+
+ test("Array: boolean") do
+ target_rows_raw = [nil, true, true, false, true, false, true, true]
+ assert_equal(<<-TABLE, @table.slice(target_rows_raw).to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 4 (null)
+3 16 true
+4 64 (null)
+5 128 (null)
+ TABLE
+ end
+
+ test("Integer: positive") do
+ assert_equal({"count" => 128, "visible" => nil},
+ @table.slice(@table.n_rows - 1).to_h)
+ end
+
+ test("Integer: negative") do
+ assert_equal({"count" => 1, "visible" => true},
+ @table.slice(-@table.n_rows).to_h)
+ end
+
+ test("Integer: out of index") do
+ assert_equal([
+ nil,
+ nil,
+ ],
+ [
+ @table.slice(@table.n_rows),
+ @table.slice(-(@table.n_rows + 1)),
+ ])
+ end
+
+ test("Range: positive: include end") do
+ assert_equal(<<-TABLE, @table.slice(2..4).to_s)
+ count visible
+0 4 (null)
+1 8 true
+2 16 true
+ TABLE
+ end
+
+ test("Range: positive: exclude end") do
+ assert_equal(<<-TABLE, @table.slice(2...4).to_s)
+ count visible
+0 4 (null)
+1 8 true
+ TABLE
+ end
+
+ test("Range: negative: include end") do
+ assert_equal(<<-TABLE, @table.slice(-4..-2).to_s)
+ count visible
+0 16 true
+1 32 false
+2 64 (null)
+ TABLE
+ end
+
+ test("Range: negative: exclude end") do
+ assert_equal(<<-TABLE, @table.slice(-4...-2).to_s)
+ count visible
+0 16 true
+1 32 false
+ TABLE
+ end
+
+ test("[from, to]: positive") do
+ assert_equal(<<-TABLE, @table.slice(0, 2).to_s)
+ count visible
+0 1 true
+1 2 false
+ TABLE
+ end
+
+ test("[from, to]: negative") do
+ assert_equal(<<-TABLE, @table.slice(-4, 2).to_s)
+ count visible
+0 16 true
+1 32 false
+ TABLE
+ end
+
+ test("{key: Number}") do
+ assert_equal(<<-TABLE, @table.slice(count: 16).to_s)
+ count visible
+0 16 true
+ TABLE
+ end
+
+ test("{key: String}") do
+ table = Arrow::Table.new(name: Arrow::StringArray.new(["a", "b", "c"]))
+ assert_equal(<<-TABLE, table.slice(name: 'b').to_s)
+ name
+0 b
+ TABLE
+ end
+
+ test("{key: true}") do
+ assert_equal(<<-TABLE, @table.slice(visible: true).to_s)
+ count visible
+0 1 true
+1 (null) (null)
+2 8 true
+3 16 true
+4 (null) (null)
+5 (null) (null)
+ TABLE
+ end
+
+ test("{key: false}") do
+ assert_equal(<<-TABLE, @table.slice(visible: false).to_s)
+ count visible
+0 2 false
+1 (null) (null)
+2 32 false
+3 (null) (null)
+4 (null) (null)
+ TABLE
+ end
+
+ test("{key: Range}: beginless include end") do
+ assert_equal(<<-TABLE, @table.slice(count: ..8).to_s)
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+3 8 true
+ TABLE
+ end
+
+ test("{key: Range}: beginless exclude end") do
+ assert_equal(<<-TABLE, @table.slice(count: ...8).to_s)
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+ TABLE
+ end
+
+ test("{key: Range}: endless") do
+ assert_equal(<<-TABLE, @table.slice(count: 16..).to_s)
+ count visible
+0 16 true
+1 32 false
+2 64 (null)
+3 128 (null)
+ TABLE
+ end
+
+ test("{key: Range}: include end") do
+ assert_equal(<<-TABLE, @table.slice(count: 1..16).to_s)
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+3 8 true
+4 16 true
+ TABLE
+ end
+
+ test("{key: Range}: exclude end") do
+ assert_equal(<<-TABLE, @table.slice(count: 1...16).to_s)
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+3 8 true
+ TABLE
+ end
+
+ test("{key1: Range, key2: true}") do
+ assert_equal(<<-TABLE, @table.slice(count: 0..8, visible: false).to_s)
+ count visible
+0 2 false
+1 (null) (null)
+2 (null) (null)
+3 (null) (null)
+ TABLE
+ end
+
+ sub_test_case("wrong argument") do
+ test("no arguments") do
+ message = "wrong number of arguments (given 0, expected 1..2)"
+ assert_raise(ArgumentError.new(message)) do
+ @table.slice
+ end
+ end
+
+ test("too many arguments") do
+ message = "wrong number of arguments (given 3, expected 1..2)"
+ assert_raise(ArgumentError.new(message)) do
+ @table.slice(1, 2, 3)
+ end
+ end
+
+ test("arguments: with block") do
+ message = "must not specify both arguments and block"
+ assert_raise(ArgumentError.new(message)) do
+ @table.slice(1, 2) {}
+ end
+ end
+
+ test("offset: too small") do
+ n_rows = @table.n_rows
+ offset = -(n_rows + 1)
+ message = "offset is out of range (-#{n_rows + 1},#{n_rows}): #{offset}"
+ assert_raise(ArgumentError.new(message)) do
+ @table.slice(offset, 1)
+ end
+ end
+
+ test("offset: too large") do
+ n_rows = @table.n_rows
+ offset = n_rows
+ message = "offset is out of range (-#{n_rows + 1},#{n_rows}): #{offset}"
+ assert_raise(ArgumentError.new(message)) do
+ @table.slice(offset, 1)
+ end
+ end
+ end
+ end
+
+ sub_test_case("#[]") do
+ def setup
+ @table = Arrow::Table.new(a: [true],
+ b: [true],
+ c: [true],
+ d: [true],
+ e: [true],
+ f: [true],
+ g: [true])
+ end
+
+ test("[String]") do
+ assert_equal(Arrow::Column.new(@table, 0),
+ @table["a"])
+ end
+
+ test("[Symbol]") do
+ assert_equal(Arrow::Column.new(@table, 1),
+ @table[:b])
+ end
+
+ test("[Integer]") do
+ assert_equal(Arrow::Column.new(@table, 6),
+ @table[-1])
+ end
+
+ test("[Range]") do
+ assert_equal(Arrow::Table.new(d: [true],
+ e: [true]),
+ @table[3..4])
+ end
+
+ test("[[Symbol, String, Integer, Range]]") do
+ assert_equal(Arrow::Table.new(c: [true],
+ a: [true],
+ g: [true],
+ d: [true],
+ e: [true]),
+ @table[[:c, "a", -1, 3..4]])
+ end
+ end
+
+ sub_test_case("#merge") do
+ sub_test_case("Hash") do
+ test("add") do
+ name_array = Arrow::StringArray.new(["a", "b", "c", "d", "e", "f", "g", "h"])
+ assert_equal(<<-TABLE, @table.merge(:name => name_array).to_s)
+ count visible name
+0 1 true a
+1 2 false b
+2 4 (null) c
+3 8 true d
+4 16 true e
+5 32 false f
+6 64 (null) g
+7 128 (null) h
+ TABLE
+ end
+
+ test("remove") do
+ assert_equal(<<-TABLE, @table.merge(:visible => nil).to_s)
+ count
+0 1
+1 2
+2 4
+3 8
+4 16
+5 32
+6 64
+7 128
+ TABLE
+ end
+
+ test("replace") do
+ visible_array = Arrow::Int32Array.new([1] * @visible_array.length)
+ assert_equal(<<-TABLE, @table.merge(:visible => visible_array).to_s)
+ count visible
+0 1 1
+1 2 1
+2 4 1
+3 8 1
+4 16 1
+5 32 1
+6 64 1
+7 128 1
+ TABLE
+ end
+ end
+
+ sub_test_case("Arrow::Table") do
+ test("add") do
+ name_array = Arrow::StringArray.new(["a", "b", "c", "d", "e", "f", "g", "h"])
+ table = Arrow::Table.new("name" => name_array)
+ assert_equal(<<-TABLE, @table.merge(table).to_s)
+ count visible name
+0 1 true a
+1 2 false b
+2 4 (null) c
+3 8 true d
+4 16 true e
+5 32 false f
+6 64 (null) g
+7 128 (null) h
+ TABLE
+ end
+
+ test("replace") do
+ visible_array = Arrow::Int32Array.new([1] * @visible_array.length)
+ table = Arrow::Table.new("visible" => visible_array)
+ assert_equal(<<-TABLE, @table.merge(table).to_s)
+ count visible
+0 1 1
+1 2 1
+2 4 1
+3 8 1
+4 16 1
+5 32 1
+6 64 1
+7 128 1
+ TABLE
+ end
+ end
+ end
+
+ test("column name getter") do
+ assert_equal(Arrow::Column.new(@table, 1),
+ @table.visible)
+ end
+
+ sub_test_case("#remove_column") do
+ test("String") do
+ assert_equal(<<-TABLE, @table.remove_column("visible").to_s)
+ count
+0 1
+1 2
+2 4
+3 8
+4 16
+5 32
+6 64
+7 128
+ TABLE
+ end
+
+ test("Symbol") do
+ assert_equal(<<-TABLE, @table.remove_column(:visible).to_s)
+ count
+0 1
+1 2
+2 4
+3 8
+4 16
+5 32
+6 64
+7 128
+ TABLE
+ end
+
+ test("unknown column name") do
+ assert_raise(KeyError) do
+ @table.remove_column(:nonexistent)
+ end
+ end
+
+ test("Integer") do
+ assert_equal(<<-TABLE, @table.remove_column(1).to_s)
+ count
+0 1
+1 2
+2 4
+3 8
+4 16
+5 32
+6 64
+7 128
+ TABLE
+ end
+
+ test("negative integer") do
+ assert_equal(<<-TABLE, @table.remove_column(-1).to_s)
+ count
+0 1
+1 2
+2 4
+3 8
+4 16
+5 32
+6 64
+7 128
+ TABLE
+ end
+
+ test("too small index") do
+ assert_raise(IndexError) do
+ @table.remove_column(-3)
+ end
+ end
+
+ test("too large index") do
+ assert_raise(IndexError) do
+ @table.remove_column(2)
+ end
+ end
+ end
+
+ sub_test_case("#select_columns") do
+ def setup
+ raw_table = {
+ :a => Arrow::UInt8Array.new([1]),
+ :b => Arrow::UInt8Array.new([1]),
+ :c => Arrow::UInt8Array.new([1]),
+ :d => Arrow::UInt8Array.new([1]),
+ :e => Arrow::UInt8Array.new([1]),
+ }
+ @table = Arrow::Table.new(raw_table)
+ end
+
+ test("names") do
+ assert_equal(<<-TABLE, @table.select_columns(:c, :a).to_s)
+ c a
+0 1 1
+ TABLE
+ end
+
+ test("range") do
+ assert_equal(<<-TABLE, @table.select_columns(2...4).to_s)
+ c d
+0 1 1
+ TABLE
+ end
+
+ test("indexes") do
+ assert_equal(<<-TABLE, @table.select_columns(0, -1, 2).to_s)
+ a e c
+0 1 1 1
+ TABLE
+ end
+
+ test("mixed") do
+ assert_equal(<<-TABLE, @table.select_columns(:a, -1, 2..3).to_s)
+ a e c d
+0 1 1 1 1
+ TABLE
+ end
+
+ test("block") do
+ selected_table = @table.select_columns.with_index do |column, i|
+ column.name == "a" or i.odd?
+ end
+ assert_equal(<<-TABLE, selected_table.to_s)
+ a b d
+0 1 1 1
+ TABLE
+ end
+
+ test("names, indexes and block") do
+ selected_table = @table.select_columns(:a, -1) do |column|
+ column.name == "a"
+ end
+ assert_equal(<<-TABLE, selected_table.to_s)
+ a
+0 1
+ TABLE
+ end
+ end
+
+ sub_test_case("#save and .load") do
+ module SaveLoadFormatTests
+ def test_default
+ output = create_output(".arrow")
+ @table.save(output)
+ assert_equal(@table, Arrow::Table.load(output))
+ end
+
+ def test_arrow_file
+ output = create_output(".arrow")
+ @table.save(output, format: :arrow_file)
+ assert_equal(@table, Arrow::Table.load(output, format: :arrow_file))
+ end
+
+ def test_batch
+ output = create_output(".arrow")
+ @table.save(output, format: :batch)
+ assert_equal(@table, Arrow::Table.load(output, format: :batch))
+ end
+
+ def test_arrow_streaming
+ output = create_output(".arrow")
+ @table.save(output, format: :arrow_streaming)
+ assert_equal(@table, Arrow::Table.load(output, format: :arrow_streaming))
+ end
+
+ def test_stream
+ output = create_output(".arrow")
+ @table.save(output, format: :stream)
+ assert_equal(@table, Arrow::Table.load(output, format: :stream))
+ end
+
+ def test_csv
+ output = create_output(".csv")
+ @table.save(output, format: :csv)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :csv,
+ schema: @table.schema))
+ end
+
+ def test_csv_gz
+ output = create_output(".csv.gz")
+ @table.save(output,
+ format: :csv,
+ compression: :gzip)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :csv,
+ compression: :gzip,
+ schema: @table.schema))
+ end
+
+ def test_tsv
+ output = create_output(".tsv")
+ @table.save(output, format: :tsv)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :tsv,
+ schema: @table.schema))
+ end
+ end
+
+ sub_test_case("path") do
+ sub_test_case(":format") do
+ include SaveLoadFormatTests
+
+ def create_output(extension)
+ @file = Tempfile.new(["red-arrow", extension])
+ @file.path
+ end
+
+ sub_test_case("save: auto detect") do
+ test("csv") do
+ output = create_output(".csv")
+ @table.save(output)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :csv,
+ schema: @table.schema))
+ end
+
+ test("csv.gz") do
+ output = create_output(".csv.gz")
+ @table.save(output)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :csv,
+ compression: :gzip,
+ schema: @table.schema))
+ end
+
+ test("tsv") do
+ output = create_output(".tsv")
+ @table.save(output)
+ assert_equal(@table,
+ Arrow::Table.load(output,
+ format: :tsv,
+ schema: @table.schema))
+ end
+ end
+
+ sub_test_case("load: auto detect") do
+ test("arrow: file") do
+ output = create_output(".arrow")
+ @table.save(output, format: :arrow_file)
+ assert_equal(@table, Arrow::Table.load(output))
+ end
+
+ test("arrow: streaming") do
+ output = create_output(".arrow")
+ @table.save(output, format: :arrow_streaming)
+ assert_equal(@table, Arrow::Table.load(output))
+ end
+
+ test("csv") do
+ path = fixture_path("with-header.csv")
+ table = Arrow::Table.load(path, skip_lines: /^\#/)
+ assert_equal(<<-TABLE, table.to_s)
+ name score
+0 alice 10
+1 bob 29
+2 chris -1
+ TABLE
+ end
+
+ test("csv.gz") do
+ file = Tempfile.new(["red-arrow", ".csv.gz"])
+ file.close
+ Zlib::GzipWriter.open(file.path) do |gz|
+ gz.write(<<-CSV)
+name,score
+alice,10
+bob,29
+chris,-1
+ CSV
+ end
+ assert_equal(<<-TABLE, Arrow::Table.load(file.path).to_s)
+ name score
+0 alice 10
+1 bob 29
+2 chris -1
+ TABLE
+ end
+
+ test("tsv") do
+ file = Tempfile.new(["red-arrow", ".tsv"])
+ file.puts(<<-TSV)
+name\tscore
+alice\t10
+bob\t29
+chris\t-1
+ TSV
+ file.close
+ table = Arrow::Table.load(file.path)
+ assert_equal(<<-TABLE, table.to_s)
+ name score
+0 alice 10
+1 bob 29
+2 chris -1
+ TABLE
+ end
+ end
+ end
+ end
+
+ sub_test_case("Buffer") do
+ sub_test_case(":format") do
+ include SaveLoadFormatTests
+
+ def create_output(extension)
+ Arrow::ResizableBuffer.new(1024)
+ end
+ end
+ end
+ end
+
+ test("#pack") do
+ packed_table = @table.pack
+ column_n_chunks = packed_table.columns.collect {|c| c.data.n_chunks}
+ assert_equal([[1, 1], <<-TABLE], [column_n_chunks, packed_table.to_s])
+ count visible
+0 1 true
+1 2 false
+2 4 (null)
+3 8 true
+4 16 true
+5 32 false
+6 64 (null)
+7 128 (null)
+ TABLE
+ end
+
+ sub_test_case("#to_s") do
+ sub_test_case(":format") do
+ def setup
+ columns = {
+ "count" => Arrow::UInt8Array.new([1, 2]),
+ "visible" => Arrow::BooleanArray.new([true, false]),
+ }
+ @table = Arrow::Table.new(columns)
+ end
+
+ test(":column") do
+ assert_equal(<<-TABLE, @table.to_s(format: :column))
+count: uint8
+visible: bool
+----
+count:
+ [
+ [
+ 1,
+ 2
+ ]
+ ]
+visible:
+ [
+ [
+ true,
+ false
+ ]
+ ]
+ TABLE
+ end
+
+ test(":list") do
+ assert_equal(<<-TABLE, @table.to_s(format: :list))
+==================== 0 ====================
+count: 1
+visible: true
+==================== 1 ====================
+count: 2
+visible: false
+ TABLE
+ end
+
+ test(":table") do
+ assert_equal(<<-TABLE, @table.to_s(format: :table))
+ count visible
+0 1 true
+1 2 false
+ TABLE
+ end
+
+ test("invalid") do
+ message = ":format must be :column, :list, :table or nil: <:invalid>"
+ assert_raise(ArgumentError.new(message)) do
+ @table.to_s(format: :invalid)
+ end
+ end
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Table") do
+ assert do
+ @table == @table
+ end
+ end
+
+ test("not Arrow::Table") do
+ assert do
+ not (@table == 29)
+ end
+ end
+ end
+ end
+
+ sub_test_case("#filter") do
+ def setup
+ super
+ @options = Arrow::FilterOptions.new
+ @options.null_selection_behavior = :emit_null
+ end
+
+ test("Array: boolean") do
+ filter = [nil, true, true, false, true, false, true, true]
+ assert_equal(<<-TABLE, @table.filter(filter, @options).to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 4 (null)
+3 16 true
+4 64 (null)
+5 128 (null)
+ TABLE
+ end
+
+ test("Arrow::BooleanArray") do
+ array = [nil, true, true, false, true, false, true, true]
+ filter = Arrow::BooleanArray.new(array)
+ assert_equal(<<-TABLE, @table.filter(filter, @options).to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 4 (null)
+3 16 true
+4 64 (null)
+5 128 (null)
+ TABLE
+ end
+
+ test("Arrow::ChunkedArray") do
+ filter_chunks = [
+ Arrow::BooleanArray.new([nil, true, true]),
+ Arrow::BooleanArray.new([false, true, false]),
+ Arrow::BooleanArray.new([true, true]),
+ ]
+ filter = Arrow::ChunkedArray.new(filter_chunks)
+ assert_equal(<<-TABLE, @table.filter(filter, @options).to_s)
+ count visible
+0 (null) (null)
+1 2 false
+2 4 (null)
+3 16 true
+4 64 (null)
+5 128 (null)
+ TABLE
+ end
+ end
+
+ sub_test_case("#take") do
+ test("Arrow: boolean") do
+ indices = [1, 0, 2]
+ assert_equal(<<-TABLE, @table.take(indices).to_s)
+ count visible
+0 2 false
+1 1 true
+2 4 (null)
+ TABLE
+ end
+
+ test("Arrow::Array") do
+ indices = Arrow::Int16Array.new([1, 0, 2])
+ assert_equal(<<-TABLE, @table.take(indices).to_s)
+ count visible
+0 2 false
+1 1 true
+2 4 (null)
+ TABLE
+ end
+
+ test("Arrow::ChunkedArray") do
+ chunks = [
+ Arrow::Int16Array.new([1, 0]),
+ Arrow::Int16Array.new([2])
+ ]
+ indices = Arrow::ChunkedArray.new(chunks)
+ assert_equal(<<-TABLE, @table.take(indices).to_s)
+ count visible
+0 2 false
+1 1 true
+2 4 (null)
+ TABLE
+ end
+ end
+
+ sub_test_case("#concatenate") do
+ test("options: :unify_schemas") do
+ table1 = Arrow::Table.new(a: [true],
+ b: [false])
+ table2 = Arrow::Table.new(b: [false])
+ concatenated = table1.concatenate([table2], unify_schemas: true)
+ assert_equal(<<-TABLE, concatenated.to_s)
+ a b
+0 true false
+1 (null) false
+ TABLE
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-tensor.rb b/src/arrow/ruby/red-arrow/test/test-tensor.rb
new file mode 100644
index 000000000..ffa1e3241
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-tensor.rb
@@ -0,0 +1,56 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TensorTest < Test::Unit::TestCase
+ sub_test_case("instance methods") do
+ def setup
+ raw_data = [
+ 1, 2,
+ 3, 4,
+
+ 5, 6,
+ 7, 8,
+
+ 9, 10,
+ 11, 12,
+ ]
+ data = Arrow::Buffer.new(raw_data.pack("c*"))
+ shape = [3, 2, 2]
+ strides = []
+ names = ["a", "b", "c"]
+ @tensor = Arrow::Tensor.new(Arrow::Int8DataType.new,
+ data,
+ shape,
+ strides,
+ names)
+ end
+
+ sub_test_case("#==") do
+ test("Arrow::Tensor") do
+ assert do
+ @tensor == @tensor
+ end
+ end
+
+ test("not Arrow::Tensor") do
+ assert do
+ not (@tensor == 29)
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-time.rb b/src/arrow/ruby/red-arrow/test/test-time.rb
new file mode 100644
index 000000000..37c098c69
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-time.rb
@@ -0,0 +1,288 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TimeTest < Test::Unit::TestCase
+ sub_test_case("#==") do
+ test("same unit") do
+ assert do
+ Arrow::Time.new(:second, 10) == Arrow::Time.new(:second, 10)
+ end
+ end
+
+ test("different unit") do
+ assert do
+ Arrow::Time.new(:second, 10) == Arrow::Time.new(:milli, 10 * 1000)
+ end
+ end
+
+ test("false") do
+ assert do
+ not(Arrow::Time.new(:second, 10) == Arrow::Time.new(:second, 11))
+ end
+ end
+ end
+
+ sub_test_case("#cast") do
+ test("same unit") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ casted_time = time.cast(Arrow::TimeUnit::SECOND)
+ assert_equal([time.unit, time.value],
+ [casted_time.unit, casted_time.value])
+ end
+
+ test("second -> milli") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ casted_time = time.cast(Arrow::TimeUnit::MILLI)
+ assert_equal([
+ Arrow::TimeUnit::MILLI,
+ time.value * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("second -> micro") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ casted_time = time.cast(Arrow::TimeUnit::MICRO)
+ assert_equal([
+ Arrow::TimeUnit::MICRO,
+ time.value * 1000 * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("second -> nano") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ casted_time = time.cast(Arrow::TimeUnit::NANO)
+ assert_equal([
+ Arrow::TimeUnit::NANO,
+ time.value * 1000 * 1000 * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("milli -> second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MILLI, 10_200)
+ casted_time = time.cast(Arrow::TimeUnit::SECOND)
+ assert_equal([
+ Arrow::TimeUnit::SECOND,
+ 10,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("milli -> micro") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MILLI, 10_200)
+ casted_time = time.cast(Arrow::TimeUnit::MICRO)
+ assert_equal([
+ Arrow::TimeUnit::MICRO,
+ time.value * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("milli -> nano") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MILLI, 10_200)
+ casted_time = time.cast(Arrow::TimeUnit::NANO)
+ assert_equal([
+ Arrow::TimeUnit::NANO,
+ time.value * 1000 * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("micro -> second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MICRO, 10_200_300)
+ casted_time = time.cast(Arrow::TimeUnit::SECOND)
+ assert_equal([
+ Arrow::TimeUnit::SECOND,
+ 10,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("micro -> milli") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MICRO, 10_200_300)
+ casted_time = time.cast(Arrow::TimeUnit::MILLI)
+ assert_equal([
+ Arrow::TimeUnit::MILLI,
+ 10_200,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("micro -> nano") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MICRO, 10_200_300)
+ casted_time = time.cast(Arrow::TimeUnit::NANO)
+ assert_equal([
+ Arrow::TimeUnit::NANO,
+ time.value * 1000,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("nano -> second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO, 10_200_300_400)
+ casted_time = time.cast(Arrow::TimeUnit::SECOND)
+ assert_equal([
+ Arrow::TimeUnit::SECOND,
+ 10,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("nano -> milli") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO, 10_200_300_400)
+ casted_time = time.cast(Arrow::TimeUnit::MILLI)
+ assert_equal([
+ Arrow::TimeUnit::MILLI,
+ 10_200,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+
+ test("nano -> micro") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO, 10_200_300_400)
+ casted_time = time.cast(Arrow::TimeUnit::MICRO)
+ assert_equal([
+ Arrow::TimeUnit::MICRO,
+ 10_200_300,
+ ],
+ [
+ casted_time.unit,
+ casted_time.value,
+ ])
+ end
+ end
+
+ sub_test_case("#to_f") do
+ test("second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ assert_in_delta(10.0, time.to_f)
+ end
+
+ test("milli") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MILLI, 10_200)
+ assert_in_delta(10.2, time.to_f)
+ end
+
+ test("micro") do
+ time = Arrow::Time.new(Arrow::TimeUnit::MICRO, 10_200_300)
+ assert_in_delta(10.2003, time.to_f)
+ end
+
+ test("nano") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO, 10_200_300_400)
+ assert_in_delta(10.2003004, time.to_f)
+ end
+ end
+
+ sub_test_case("#positive?") do
+ test("true") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ assert do
+ time.positive?
+ end
+ end
+
+ test("false") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, -10)
+ assert do
+ not time.positive?
+ end
+ end
+ end
+
+ sub_test_case("#negative?") do
+ test("true") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, -10)
+ assert do
+ time.negative?
+ end
+ end
+
+ test("false") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND, 10)
+ assert do
+ not time.negative?
+ end
+ end
+ end
+
+ test("#hour") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ (5 * 60 * 60) + (12 * 60) + 10)
+ assert_equal(5, time.hour)
+ end
+
+ test("#minute") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ (5 * 60 * 60) + (12 * 60) + 10)
+ assert_equal(12, time.minute)
+ end
+
+ test("#second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ (5 * 60 * 60) + (12 * 60) + 10)
+ assert_equal(10, time.second)
+ end
+
+ test("#nano_second") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO, 1234)
+ assert_equal(1234, time.nano_second)
+ end
+
+ test("#to_s") do
+ time = Arrow::Time.new(Arrow::TimeUnit::NANO,
+ -(((5 * 60 * 60) + (12 * 60) + 10) * 1_000_000_000 +
+ 1234))
+ assert_equal("-05:12:10.000001234",
+ time.to_s)
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-time32-array.rb b/src/arrow/ruby/red-arrow/test/test-time32-array.rb
new file mode 100644
index 000000000..b8bb4eb94
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-time32-array.rb
@@ -0,0 +1,81 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Time32ArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ sub_test_case("unit") do
+ test("Arrow::TimeUnit") do
+ values = [1000 * 10, nil]
+ array = Arrow::Time32Array.new(Arrow::TimeUnit::MILLI, values)
+ assert_equal([
+ "time32[ms]",
+ [
+ Arrow::Time.new(Arrow::TimeUnit::MILLI,
+ 1000 * 10),
+ nil,
+ ],
+ ],
+ [
+ array.value_data_type.to_s,
+ array.to_a,
+ ])
+ end
+
+ test("Symbol") do
+ values = [60 * 10, nil]
+ array = Arrow::Time32Array.new(:second, values)
+ assert_equal([
+ "time32[s]",
+ [
+ Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ 60 * 10),
+ nil,
+ ],
+ ],
+ [
+ array.value_data_type.to_s,
+ array.to_a,
+ ])
+ end
+ end
+
+ sub_test_case("values") do
+ test("Arrow::Time") do
+ data_type = Arrow::Time32DataType.new(:second)
+ values = [
+ Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ 60 * 10),
+ nil,
+ ]
+ array = Arrow::Time32Array.new(data_type, values)
+ assert_equal(values, array.to_a)
+ end
+
+ test("Integer") do
+ data_type = Arrow::Time32DataType.new(:second)
+ values = [60 * 10, nil]
+ array = Arrow::Time32Array.new(data_type, values)
+ assert_equal([
+ Arrow::Time.new(Arrow::TimeUnit::SECOND,
+ 60 * 10),
+ nil,
+ ],
+ array.to_a)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-time32-data-type.rb b/src/arrow/ruby/red-arrow/test/test-time32-data-type.rb
new file mode 100644
index 000000000..26f17359a
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-time32-data-type.rb
@@ -0,0 +1,42 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Time32DataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Arrow::TimeUnit") do
+ assert_equal("time32[ms]",
+ Arrow::Time32DataType.new(Arrow::TimeUnit::MILLI).to_s)
+ end
+
+ test("Symbol") do
+ assert_equal("time32[ms]",
+ Arrow::Time32DataType.new(:milli).to_s)
+ end
+
+ test("unit: Arrow::TimeUnit") do
+ data_type = Arrow::Time32DataType.new(unit: Arrow::TimeUnit::MILLI)
+ assert_equal("time32[ms]",
+ data_type.to_s)
+ end
+
+ test("unit: Symbol") do
+ data_type = Arrow::Time32DataType.new(unit: :milli)
+ assert_equal("time32[ms]",
+ data_type.to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-time64-array.rb b/src/arrow/ruby/red-arrow/test/test-time64-array.rb
new file mode 100644
index 000000000..831af1e35
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-time64-array.rb
@@ -0,0 +1,81 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Time64ArrayTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ sub_test_case("unit") do
+ test("Arrow::TimeUnit") do
+ values = [1000 * 10, nil]
+ array = Arrow::Time64Array.new(Arrow::TimeUnit::NANO, values)
+ assert_equal([
+ "time64[ns]",
+ [
+ Arrow::Time.new(Arrow::TimeUnit::NANO,
+ 1000 * 10),
+ nil,
+ ],
+ ],
+ [
+ array.value_data_type.to_s,
+ array.to_a,
+ ])
+ end
+
+ test("Symbol") do
+ values = [1000 * 10, nil]
+ array = Arrow::Time64Array.new(:micro, values)
+ assert_equal([
+ "time64[us]",
+ [
+ Arrow::Time.new(Arrow::TimeUnit::MICRO,
+ 1000 * 10),
+ nil,
+ ],
+ ],
+ [
+ array.value_data_type.to_s,
+ array.to_a,
+ ])
+ end
+ end
+
+ sub_test_case("values") do
+ test("Arrow::Time") do
+ data_type = Arrow::Time64DataType.new(:nano)
+ values = [
+ Arrow::Time.new(Arrow::TimeUnit::NANO,
+ 1000 * 10),
+ nil,
+ ]
+ array = Arrow::Time64Array.new(data_type, values)
+ assert_equal(values, array.to_a)
+ end
+
+ test("Integer") do
+ data_type = Arrow::Time64DataType.new(:nano)
+ values = [1000 * 10, nil]
+ array = Arrow::Time64Array.new(data_type, values)
+ assert_equal([
+ Arrow::Time.new(Arrow::TimeUnit::NANO,
+ 1000 * 10),
+ nil,
+ ],
+ array.to_a)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-time64-data-type.rb b/src/arrow/ruby/red-arrow/test/test-time64-data-type.rb
new file mode 100644
index 000000000..a5f341753
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-time64-data-type.rb
@@ -0,0 +1,42 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class Time64DataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Arrow::TimeUnit") do
+ assert_equal("time64[ns]",
+ Arrow::Time64DataType.new(Arrow::TimeUnit::NANO).to_s)
+ end
+
+ test("Symbol") do
+ assert_equal("time64[ns]",
+ Arrow::Time64DataType.new(:nano).to_s)
+ end
+
+ test("unit: Arrow::TimeUnit") do
+ data_type = Arrow::Time64DataType.new(unit: Arrow::TimeUnit::NANO)
+ assert_equal("time64[ns]",
+ data_type.to_s)
+ end
+
+ test("unit: Symbol") do
+ data_type = Arrow::Time64DataType.new(unit: :nano)
+ assert_equal("time64[ns]",
+ data_type.to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-timestamp-array.rb b/src/arrow/ruby/red-arrow/test/test-timestamp-array.rb
new file mode 100644
index 000000000..248a2531e
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-timestamp-array.rb
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TimestampArrayTest < Test::Unit::TestCase
+ test("#[]") do
+ sec = 1513267750
+ usec = 914509
+ array = Arrow::TimestampArray.new(:micro, [sec * (10 ** 6) + usec])
+ time = Time.at(sec, usec)
+ assert_equal(time, array[0])
+ end
+
+ sub_test_case("#is_in") do
+ def setup
+ values = [
+ Time.parse("2019-11-18T00:09:11"),
+ Time.parse("2019-11-18T00:09:12"),
+ Time.parse("2019-11-18T00:09:13"),
+ ]
+ @array = Arrow::TimestampArray.new(:micro, values)
+ end
+
+ test("Arrow: Array") do
+ right = [
+ Time.parse("2019-11-18T00:09:12"),
+ ]
+ assert_equal(Arrow::BooleanArray.new([false, true, false]),
+ @array.is_in(right))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/test-timestamp-data-type.rb b/src/arrow/ruby/red-arrow/test/test-timestamp-data-type.rb
new file mode 100644
index 000000000..f8ccd3d8b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/test-timestamp-data-type.rb
@@ -0,0 +1,42 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TimestampDataTypeTest < Test::Unit::TestCase
+ sub_test_case(".new") do
+ test("Arrow::TimeUnit") do
+ assert_equal("timestamp[ms]",
+ Arrow::TimestampDataType.new(Arrow::TimeUnit::MILLI).to_s)
+ end
+
+ test("Symbol") do
+ assert_equal("timestamp[ms]",
+ Arrow::TimestampDataType.new(:milli).to_s)
+ end
+
+ test("unit: Arrow::TimeUnit") do
+ data_type = Arrow::TimestampDataType.new(unit: Arrow::TimeUnit::MILLI)
+ assert_equal("timestamp[ms]",
+ data_type.to_s)
+ end
+
+ test("unit: Symbol") do
+ data_type = Arrow::TimestampDataType.new(unit: :milli)
+ assert_equal("timestamp[ms]",
+ data_type.to_s)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-basic-arrays.rb b/src/arrow/ruby/red-arrow/test/values/test-basic-arrays.rb
new file mode 100644
index 000000000..c54c7f62d
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-basic-arrays.rb
@@ -0,0 +1,295 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesBasicArraysTests
+ def test_null
+ target = build(Arrow::NullArray.new(4))
+ assert_equal([nil] * 4, target.values)
+ end
+
+ def test_boolean
+ values = [true, nil, false]
+ target = build(Arrow::BooleanArray.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ -(2 ** 7),
+ nil,
+ (2 ** 7) - 1,
+ ]
+ target = build(Arrow::Int8Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ 0,
+ nil,
+ (2 ** 8) - 1,
+ ]
+ target = build(Arrow::UInt8Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_int16
+ values = [
+ -(2 ** 15),
+ nil,
+ (2 ** 15) - 1,
+ ]
+ target = build(Arrow::Int16Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ 0,
+ nil,
+ (2 ** 16) - 1,
+ ]
+ target = build(Arrow::UInt16Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ -(2 ** 31),
+ nil,
+ (2 ** 31) - 1,
+ ]
+ target = build(Arrow::Int32Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ 0,
+ nil,
+ (2 ** 32) - 1,
+ ]
+ target = build(Arrow::UInt32Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ -(2 ** 63),
+ nil,
+ (2 ** 63) - 1,
+ ]
+ target = build(Arrow::Int64Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ 0,
+ nil,
+ (2 ** 64) - 1,
+ ]
+ target = build(Arrow::UInt64Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ -1.0,
+ nil,
+ 1.0,
+ ]
+ target = build(Arrow::FloatArray.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ -1.0,
+ nil,
+ 1.0,
+ ]
+ target = build(Arrow::DoubleArray.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ "\x00".b,
+ nil,
+ "\xff".b,
+ ]
+ target = build(Arrow::BinaryArray.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_tring
+ values = [
+ "Ruby",
+ nil,
+ "\u3042", # U+3042 HIRAGANA LETTER A
+ ]
+ target = build(Arrow::StringArray.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ Date.new(1960, 1, 1),
+ nil,
+ Date.new(2017, 8, 23),
+ ]
+ target = build(Arrow::Date32Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ DateTime.new(1960, 1, 1, 2, 9, 30),
+ nil,
+ DateTime.new(2017, 8, 23, 14, 57, 2),
+ ]
+ target = build(Arrow::Date64Array.new(values))
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ Time.parse("1960-01-01T02:09:30Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02Z"),
+ ]
+ target = build(Arrow::TimestampArray.new(:second, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ Time.parse("1960-01-01T02:09:30.123Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987Z"),
+ ]
+ target = build(Arrow::TimestampArray.new(:milli, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ Time.parse("1960-01-01T02:09:30.123456Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654Z"),
+ ]
+ target = build(Arrow::TimestampArray.new(:micro, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ Time.parse("1960-01-01T02:09:30.123456789Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654321Z"),
+ ]
+ target = build(Arrow::TimestampArray.new(:nano, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ Arrow::Time.new(unit, 60 * 10), # 00:10:00
+ nil,
+ Arrow::Time.new(unit, 60 * 60 * 2 + 9), # 02:00:09
+ ]
+ target = build(Arrow::Time32Array.new(:second, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ Arrow::Time.new(unit, (60 * 10) * 1000 + 123), # 00:10:00.123
+ nil,
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1000 + 987), # 02:00:09.987
+ ]
+ target = build(Arrow::Time32Array.new(:milli, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ # 00:10:00.123456
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456),
+ nil,
+ # 02:00:09.987654
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000 + 987_654),
+ ]
+ target = build(Arrow::Time64Array.new(:micro, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ # 00:10:00.123456789
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789),
+ nil,
+ # 02:00:09.987654321
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000_000 + 987_654_321),
+ ]
+ target = build(Arrow::Time64Array.new(:nano, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ]
+ data_type = Arrow::Decimal128DataType.new(8, 2)
+ target = build(Arrow::Decimal128Array.new(data_type, values))
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ]
+ data_type = Arrow::Decimal256DataType.new(38, 2)
+ target = build(Arrow::Decimal256Array.new(data_type, values))
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArrayBasicArraysTest < Test::Unit::TestCase
+ include ValuesBasicArraysTests
+
+ def build(array)
+ array
+ end
+end
+
+class ValuesChunkedArrayBasicArraysTest < Test::Unit::TestCase
+ include ValuesBasicArraysTests
+
+ def build(array)
+ Arrow::ChunkedArray.new([array])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-dense-union-array.rb b/src/arrow/ruby/red-arrow/test/values/test-dense-union-array.rb
new file mode 100644
index 000000000..465ffb9e6
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-dense-union-array.rb
@@ -0,0 +1,482 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesDenseUnionArrayTests
+ def build_data_type(type, type_codes)
+ field_description = {}
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ Arrow::DenseUnionDataType.new(fields: [
+ field_description.merge(name: "0"),
+ field_description.merge(name: "1"),
+ ],
+ type_codes: type_codes)
+ end
+
+ def build_array(type, values)
+ type_codes = [0, 1]
+ data_type = build_data_type(type, type_codes)
+ type_ids = []
+ offsets = []
+ arrays = data_type.fields.collect do |field|
+ sub_schema = Arrow::Schema.new([field])
+ sub_records = []
+ values.each do |value|
+ next if value.nil?
+ next unless value.key?(field.name)
+ sub_records << [value[field.name]]
+ end
+ sub_record_batch = Arrow::RecordBatch.new(sub_schema,
+ sub_records)
+ sub_record_batch.columns[0].data
+ end
+ values.each do |value|
+ if value.key?("0")
+ type_id = type_codes[0]
+ type_ids << type_id
+ offsets << (type_ids.count(type_id) - 1)
+ elsif value.key?("1")
+ type_id = type_codes[1]
+ type_ids << type_id
+ offsets << (type_ids.count(type_id) - 1)
+ end
+ end
+ Arrow::DenseUnionArray.new(data_type,
+ Arrow::Int8Array.new(type_ids),
+ Arrow::Int32Array.new(offsets),
+ arrays)
+ end
+
+ def test_null
+ values = [
+ {"0" => nil},
+ ]
+ target = build(:null, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_boolean
+ values = [
+ {"0" => true},
+ {"1" => nil},
+ ]
+ target = build(:boolean, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ {"0" => -(2 ** 7)},
+ {"1" => nil},
+ ]
+ target = build(:int8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ {"0" => (2 ** 8) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int16
+ values = [
+ {"0" => -(2 ** 15)},
+ {"1" => nil},
+ ]
+ target = build(:int16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ {"0" => (2 ** 16) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ {"0" => -(2 ** 31)},
+ {"1" => nil},
+ ]
+ target = build(:int32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ {"0" => (2 ** 32) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ {"0" => -(2 ** 63)},
+ {"1" => nil},
+ ]
+ target = build(:int64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ {"0" => (2 ** 64) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ {"0" => -1.0},
+ {"1" => nil},
+ ]
+ target = build(:float, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ {"0" => -1.0},
+ {"1" => nil},
+ ]
+ target = build(:double, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ {"0" => "\xff".b},
+ {"1" => nil},
+ ]
+ target = build(:binary, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_string
+ values = [
+ {"0" => "Ruby"},
+ {"1" => nil},
+ ]
+ target = build(:string, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ {"0" => Date.new(1960, 1, 1)},
+ {"1" => nil},
+ ]
+ target = build(:date32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ {"0" => DateTime.new(1960, 1, 1, 2, 9, 30)},
+ {"1" => nil},
+ ]
+ target = build(:date64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123456Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123456789Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ # 00:10:00
+ {"0" => Arrow::Time.new(unit, 60 * 10)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ # 00:10:00.123
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ # 00:10:00.123456
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ # 00:10:00.123456789
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ {"0" => BigDecimal("92.92")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ {"0" => BigDecimal("92.92")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_list
+ values = [
+ {"0" => [true, nil, false]},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_struct
+ values = [
+ {"0" => {"sub_field" => true}},
+ {"1" => nil},
+ {"0" => {"sub_field" => nil}},
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_map
+ values = [
+ {"0" => {"key1" => true, "key2" => nil}},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ values = [
+ {"0" => {"field1" => true}},
+ {"1" => nil},
+ {"0" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ values = [
+ {"0" => {"field1" => true}},
+ {"1" => nil},
+ {"0" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ values = [
+ {"0" => "Ruby"},
+ {"1" => nil},
+ {"0" => "GLib"},
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArrayDenseUnionArrayTest < Test::Unit::TestCase
+ include ValuesDenseUnionArrayTests
+
+ def build(type, values)
+ build_array(type, values)
+ end
+end
+
+class ValuesChunkedArrayDenseUnionArrayTest < Test::Unit::TestCase
+ include ValuesDenseUnionArrayTests
+
+ def build(type, values)
+ Arrow::ChunkedArray.new([build_array(type, values)])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-list-array.rb b/src/arrow/ruby/red-arrow/test/values/test-list-array.rb
new file mode 100644
index 000000000..d2905b36b
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-list-array.rb
@@ -0,0 +1,532 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesListArrayTests
+ def build_data_type(type)
+ field_description = {
+ name: :element,
+ }
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ Arrow::ListDataType.new(field: field_description)
+ end
+
+ def build_array(type, values)
+ Arrow::ListArray.new(build_data_type(type), values)
+ end
+
+ def test_null
+ values = [
+ [nil, nil, nil],
+ nil,
+ ]
+ target = build(:null, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_boolean
+ values = [
+ [true, nil, false],
+ nil,
+ ]
+ target = build(:boolean, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ [-(2 ** 7), nil, (2 ** 7) - 1],
+ nil,
+ ]
+ target = build(:int8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ [0, nil, (2 ** 8) - 1],
+ nil,
+ ]
+ target = build(:uint8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int16
+ values = [
+ [-(2 ** 15), nil, (2 ** 15) - 1],
+ nil,
+ ]
+ target = build(:int16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ [0, nil, (2 ** 16) - 1],
+ nil,
+ ]
+ target = build(:uint16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ [-(2 ** 31), nil, (2 ** 31) - 1],
+ nil,
+ ]
+ target = build(:int32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ [0, nil, (2 ** 32) - 1],
+ nil,
+ ]
+ target = build(:uint32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ [-(2 ** 63), nil, (2 ** 63) - 1],
+ nil,
+ ]
+ target = build(:int64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ [0, nil, (2 ** 64) - 1],
+ nil,
+ ]
+ target = build(:uint64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ [-1.0, nil, 1.0],
+ nil,
+ ]
+ target = build(:float, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ [-1.0, nil, 1.0],
+ nil,
+ ]
+ target = build(:double, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ ["\x00".b, nil, "\xff".b],
+ nil,
+ ]
+ target = build(:binary, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_string
+ values = [
+ [
+ "Ruby",
+ nil,
+ "\u3042", # U+3042 HIRAGANA LETTER A
+ ],
+ nil,
+ ]
+ target = build(:string, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ [
+ Date.new(1960, 1, 1),
+ nil,
+ Date.new(2017, 8, 23),
+ ],
+ nil,
+ ]
+ target = build(:date32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ [
+ DateTime.new(1960, 1, 1, 2, 9, 30),
+ nil,
+ DateTime.new(2017, 8, 23, 14, 57, 2),
+ ],
+ nil,
+ ]
+ target = build(:date64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ [
+ Time.parse("1960-01-01T02:09:30Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02Z"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ [
+ Time.parse("1960-01-01T02:09:30.123Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987Z"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ [
+ Time.parse("1960-01-01T02:09:30.123456Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654Z"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ [
+ Time.parse("1960-01-01T02:09:30.123456789Z"),
+ nil,
+ Time.parse("2017-08-23T14:57:02.987654321Z"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ [
+ # 00:10:00
+ Arrow::Time.new(unit, 60 * 10),
+ nil,
+ # 02:00:09
+ Arrow::Time.new(unit, 60 * 60 * 2 + 9),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ [
+ # 00:10:00.123
+ Arrow::Time.new(unit, (60 * 10) * 1000 + 123),
+ nil,
+ # 02:00:09.987
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1000 + 987),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ [
+ # 00:10:00.123456
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456),
+ nil,
+ # 02:00:09.987654
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000 + 987_654),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ [
+ # 00:10:00.123456789
+ Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789),
+ nil,
+ # 02:00:09.987654321
+ Arrow::Time.new(unit, (60 * 60 * 2 + 9) * 1_000_000_000 + 987_654_321),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ [
+ BigDecimal("92.92"),
+ nil,
+ BigDecimal("29.29"),
+ ],
+ nil,
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_list
+ values = [
+ [
+ [
+ true,
+ nil,
+ ],
+ nil,
+ [
+ nil,
+ false,
+ ],
+ ],
+ nil,
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_struct
+ values = [
+ [
+ {"field" => true},
+ nil,
+ {"field" => nil},
+ ],
+ nil,
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :field,
+ type: :boolean,
+ },
+ ],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_map
+ values = [
+ [
+ {"key1" => true, "key2" => nil},
+ nil,
+ ],
+ nil,
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_sparse
+ omit("Need to add support for SparseUnionArrayBuilder")
+ values = [
+ [
+ {"field1" => true},
+ nil,
+ {"field2" => nil},
+ ],
+ nil,
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dense
+ omit("Need to add support for DenseUnionArrayBuilder")
+ values = [
+ [
+ {"field1" => true},
+ nil,
+ {"field2" => nil},
+ ],
+ nil,
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ values = [
+ [
+ "Ruby",
+ nil,
+ "GLib",
+ ],
+ nil,
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArrayListArrayTest < Test::Unit::TestCase
+ include ValuesListArrayTests
+
+ def build(type, values)
+ build_array(type, values)
+ end
+end
+
+class ValuesChunkedArrayListArrayTest < Test::Unit::TestCase
+ include ValuesListArrayTests
+
+ def build(type, values)
+ Arrow::ChunkedArray.new([build_array(type, values)])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-map-array.rb b/src/arrow/ruby/red-arrow/test/values/test-map-array.rb
new file mode 100644
index 000000000..14b5bf6c3
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-map-array.rb
@@ -0,0 +1,433 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesMapArrayTests
+ def build_data_type(item_type)
+ Arrow::MapDataType.new(
+ key: :string,
+ item: item_type
+ )
+ end
+
+ def build_array(item_type, values)
+ Arrow::MapArray.new(build_data_type(item_type), values)
+ end
+
+ def test_null
+ values = [
+ {"key1" => nil},
+ nil,
+ ]
+ target = build(:null, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_boolean
+ values = [
+ {"key1" => false, "key2" => nil},
+ nil,
+ ]
+ target = build(:boolean, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ {"key1" => (2 ** 7) - 1, "key2" => nil},
+ nil,
+ ]
+ target = build(:int8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ {"key1" => (2 ** 8) - 1, "key2" => nil},
+ nil,
+ ]
+ target = build(:uint8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ {"key1" => (2 ** 16) - 1, "key2" => nil},
+ nil,
+ ]
+ target = build(:uint16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ {"key1" => -(2 ** 31), "key2" => nil},
+ nil,
+ ]
+ target = build(:int32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ {"key1" => (2 ** 32) - 1, "key2" => nil},
+ nil,
+ ]
+ target = build(:uint32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ {"key1" => -(2 ** 63), "key2" => nil},
+ nil,
+ ]
+ target = build(:int64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ {"key1" => (2 ** 64) - 1, "key2" => nil},
+ nil,
+ ]
+ target = build(:uint64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ {"key1" => -1.0, "key2" => nil},
+ nil,
+ ]
+ target = build(:float, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ {"key1" => -1.0, "key2" => nil},
+ nil,
+ ]
+ target = build(:double, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ {"key1" => "\xff".b, "key2" => nil},
+ nil,
+ ]
+ target = build(:binary, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_string
+ values = [
+ {"key1" => "Ruby", "key2" => nil},
+ nil,
+ ]
+ target = build(:string, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ {"key1" => Date.new(1960, 1, 1), "key2" => nil},
+ nil,
+ ]
+ target = build(:date32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ {"key1" => DateTime.new(1960, 1, 1, 2, 9, 30), "key2" => nil},
+ nil,
+ ]
+ target = build(:date64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ {"key1" => Time.parse("1960-01-01T02:09:30Z"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ {"key1" => Time.parse("1960-01-01T02:09:30.123Z"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ {"key1" => Time.parse("1960-01-01T02:09:30.123456Z"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ {"key1" => Time.parse("1960-01-01T02:09:30.123456789Z"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ # 00:10:00
+ {"key1" => Arrow::Time.new(unit, 60 * 10), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ # 00:10:00.123
+ {"key1" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ # 00:10:00.123456
+ {"key1" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ # 00:10:00.123456789
+ {"key1" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ {"key1" => BigDecimal("92.92"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ {"key1" => BigDecimal("92.92"), "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_list
+ values = [
+ {"key1" => [true, nil, false], "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_struct
+ values = [
+ {"key1" => {"field" => true}, "key2" => nil, "key3" => {"field" => nil}},
+ nil,
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :field,
+ type: :boolean,
+ },
+ ],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_map
+ values = [
+ {"key1" => {"sub_key1" => true, "sub_key2" => nil}, "key2" => nil},
+ nil,
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ values = [
+ {"key1" => {"field1" => true}, "key2" => nil, "key3" => {"field2" => nil}},
+ nil,
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ values = [
+ {"key1" => {"field1" => true}, "key2" => nil, "key3" => {"field2" => nil}},
+ nil,
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ values = [
+ {"key1" => "Ruby", "key2" => nil, "key3" => "GLib"},
+ nil,
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArrayMapArrayTest < Test::Unit::TestCase
+ include ValuesMapArrayTests
+
+ def build(item_type, values)
+ build_array(item_type, values)
+ end
+end
+
+class ValuesChunkedArrayMapArrayTest < Test::Unit::TestCase
+ include ValuesMapArrayTests
+
+ def build(item_type, values)
+ Arrow::ChunkedArray.new([build_array(item_type, values)])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-sparse-union-array.rb b/src/arrow/ruby/red-arrow/test/values/test-sparse-union-array.rb
new file mode 100644
index 000000000..909d67e61
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-sparse-union-array.rb
@@ -0,0 +1,473 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesSparseUnionArrayTests
+ def build_data_type(type, type_codes)
+ field_description = {}
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ Arrow::SparseUnionDataType.new(fields: [
+ field_description.merge(name: "0"),
+ field_description.merge(name: "1"),
+ ],
+ type_codes: type_codes)
+ end
+
+ def build_array(type, values)
+ type_codes = [0, 1]
+ data_type = build_data_type(type, type_codes)
+ type_ids = []
+ arrays = data_type.fields.collect do |field|
+ sub_schema = Arrow::Schema.new([field])
+ sub_records = values.collect do |value|
+ [value.nil? ? nil : value[field.name]]
+ end
+ sub_record_batch = Arrow::RecordBatch.new(sub_schema,
+ sub_records)
+ sub_record_batch.columns[0].data
+ end
+ values.each do |value|
+ if value.key?("0")
+ type_ids << type_codes[0]
+ elsif value.key?("1")
+ type_ids << type_codes[1]
+ end
+ end
+ Arrow::SparseUnionArray.new(data_type,
+ Arrow::Int8Array.new(type_ids),
+ arrays)
+ end
+
+ def test_null
+ values = [
+ {"0" => nil},
+ ]
+ target = build(:null, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_boolean
+ values = [
+ {"0" => true},
+ {"1" => nil},
+ ]
+ target = build(:boolean, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ {"0" => -(2 ** 7)},
+ {"1" => nil},
+ ]
+ target = build(:int8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ {"0" => (2 ** 8) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int16
+ values = [
+ {"0" => -(2 ** 15)},
+ {"1" => nil},
+ ]
+ target = build(:int16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ {"0" => (2 ** 16) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ {"0" => -(2 ** 31)},
+ {"1" => nil},
+ ]
+ target = build(:int32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ {"0" => (2 ** 32) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ {"0" => -(2 ** 63)},
+ {"1" => nil},
+ ]
+ target = build(:int64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ {"0" => (2 ** 64) - 1},
+ {"1" => nil},
+ ]
+ target = build(:uint64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ {"0" => -1.0},
+ {"1" => nil},
+ ]
+ target = build(:float, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ {"0" => -1.0},
+ {"1" => nil},
+ ]
+ target = build(:double, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ {"0" => "\xff".b},
+ {"1" => nil},
+ ]
+ target = build(:binary, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_string
+ values = [
+ {"0" => "Ruby"},
+ {"1" => nil},
+ ]
+ target = build(:string, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ {"0" => Date.new(1960, 1, 1)},
+ {"1" => nil},
+ ]
+ target = build(:date32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ {"0" => DateTime.new(1960, 1, 1, 2, 9, 30)},
+ {"1" => nil},
+ ]
+ target = build(:date64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123456Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ {"0" => Time.parse("1960-01-01T02:09:30.123456789Z")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ # 00:10:00
+ {"0" => Arrow::Time.new(unit, 60 * 10)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ # 00:10:00.123
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ # 00:10:00.123456
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ # 00:10:00.123456789
+ {"0" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ {"0" => BigDecimal("92.92")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ {"0" => BigDecimal("92.92")},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_list
+ values = [
+ {"0" => [true, nil, false]},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_struct
+ values = [
+ {"0" => {"sub_field" => true}},
+ {"1" => nil},
+ {"0" => {"sub_field" => nil}},
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_map
+ values = [
+ {"0" => {"key1" => true, "key2" => nil}},
+ {"1" => nil},
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ values = [
+ {"0" => {"field1" => true}},
+ {"1" => nil},
+ {"0" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ values = [
+ {"0" => {"field1" => true}},
+ {"1" => nil},
+ {"0" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ values = [
+ {"0" => "Ruby"},
+ {"1" => nil},
+ {"0" => "GLib"},
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArraySparseUnionArrayTest < Test::Unit::TestCase
+ include ValuesSparseUnionArrayTests
+
+ def build(type, values)
+ build_array(type, values)
+ end
+end
+
+class ValuesChunkedArraySparseUnionArrayTest < Test::Unit::TestCase
+ include ValuesSparseUnionArrayTests
+
+ def build(type, values)
+ Arrow::ChunkedArray.new([build_array(type, values)])
+ end
+end
diff --git a/src/arrow/ruby/red-arrow/test/values/test-struct-array.rb b/src/arrow/ruby/red-arrow/test/values/test-struct-array.rb
new file mode 100644
index 000000000..4e3396796
--- /dev/null
+++ b/src/arrow/ruby/red-arrow/test/values/test-struct-array.rb
@@ -0,0 +1,482 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module ValuesStructArrayTests
+ def build_data_type(type)
+ field_description = {
+ name: :field,
+ }
+ if type.is_a?(Hash)
+ field_description = field_description.merge(type)
+ else
+ field_description[:type] = type
+ end
+ Arrow::StructDataType.new([field_description])
+ end
+
+ def build_array(type, values)
+ Arrow::StructArray.new(build_data_type(type), values)
+ end
+
+ def test_null
+ values = [
+ {"field" => nil},
+ nil,
+ ]
+ target = build(:null, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_boolean
+ values = [
+ {"field" => true},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:boolean, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int8
+ values = [
+ {"field" => -(2 ** 7)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:int8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint8
+ values = [
+ {"field" => (2 ** 8) - 1},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:uint8, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int16
+ values = [
+ {"field" => -(2 ** 15)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:int16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint16
+ values = [
+ {"field" => (2 ** 16) - 1},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:uint16, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int32
+ values = [
+ {"field" => -(2 ** 31)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:int32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint32
+ values = [
+ {"field" => (2 ** 32) - 1},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:uint32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_int64
+ values = [
+ {"field" => -(2 ** 63)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:int64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_uint64
+ values = [
+ {"field" => (2 ** 64) - 1},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:uint64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_float
+ values = [
+ {"field" => -1.0},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:float, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_double
+ values = [
+ {"field" => -1.0},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:double, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_binary
+ values = [
+ {"field" => "\xff".b},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:binary, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_string
+ values = [
+ {"field" => "Ruby"},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:string, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date32
+ values = [
+ {"field" => Date.new(1960, 1, 1)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:date32, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_date64
+ values = [
+ {"field" => DateTime.new(1960, 1, 1, 2, 9, 30)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build(:date64, values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_second
+ values = [
+ {"field" => Time.parse("1960-01-01T02:09:30Z")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_milli
+ values = [
+ {"field" => Time.parse("1960-01-01T02:09:30.123Z")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_micro
+ values = [
+ {"field" => Time.parse("1960-01-01T02:09:30.123456Z")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_timestamp_nano
+ values = [
+ {"field" => Time.parse("1960-01-01T02:09:30.123456789Z")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :timestamp,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_second
+ unit = Arrow::TimeUnit::SECOND
+ values = [
+ # 00:10:00
+ {"field" => Arrow::Time.new(unit, 60 * 10)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :second,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time32_milli
+ unit = Arrow::TimeUnit::MILLI
+ values = [
+ # 00:10:00.123
+ {"field" => Arrow::Time.new(unit, (60 * 10) * 1000 + 123)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :time32,
+ unit: :milli,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_micro
+ unit = Arrow::TimeUnit::MICRO
+ values = [
+ # 00:10:00.123456
+ {"field" => Arrow::Time.new(unit, (60 * 10) * 1_000_000 + 123_456)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :micro,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_time64_nano
+ unit = Arrow::TimeUnit::NANO
+ values = [
+ # 00:10:00.123456789
+ {"field" => Arrow::Time.new(unit, (60 * 10) * 1_000_000_000 + 123_456_789)},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :time64,
+ unit: :nano,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal128
+ values = [
+ {"field" => BigDecimal("92.92")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :decimal128,
+ precision: 8,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_decimal256
+ values = [
+ {"field" => BigDecimal("92.92")},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :decimal256,
+ precision: 38,
+ scale: 2,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_list
+ values = [
+ {"field" => [true, nil, false]},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :list,
+ field: {
+ name: :sub_element,
+ type: :boolean,
+ },
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_struct
+ values = [
+ {"field" => {"sub_field" => true}},
+ nil,
+ {"field" => nil},
+ {"field" => {"sub_field" => nil}},
+ ]
+ target = build({
+ type: :struct,
+ fields: [
+ {
+ name: :sub_field,
+ type: :boolean,
+ },
+ ],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_map
+ values = [
+ {"field" => {"key1" => true, "key2" => nil}},
+ nil,
+ {"field" => nil},
+ ]
+ target = build({
+ type: :map,
+ key: :string,
+ item: :boolean,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_sparse_union
+ omit("Need to add support for SparseUnionArrayBuilder")
+ values = [
+ {"field" => {"field1" => true}},
+ nil,
+ {"field" => nil},
+ {"field" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :sparse_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dense_union
+ omit("Need to add support for DenseUnionArrayBuilder")
+ values = [
+ {"field" => {"field1" => true}},
+ nil,
+ {"field" => nil},
+ {"field" => {"field2" => nil}},
+ ]
+ target = build({
+ type: :dense_union,
+ fields: [
+ {
+ name: :field1,
+ type: :boolean,
+ },
+ {
+ name: :field2,
+ type: :uint8,
+ },
+ ],
+ type_codes: [0, 1],
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+
+ def test_dictionary
+ omit("Need to add support for DictionaryArrayBuilder")
+ values = [
+ {"field" => "Ruby"},
+ nil,
+ {"field" => nil},
+ {"field" => "GLib"},
+ ]
+ dictionary = Arrow::StringArray.new(["GLib", "Ruby"])
+ target = build({
+ type: :dictionary,
+ index_data_type: :int8,
+ dictionary: dictionary,
+ ordered: true,
+ },
+ values)
+ assert_equal(values, target.values)
+ end
+end
+
+class ValuesArrayStructArrayTest < Test::Unit::TestCase
+ include ValuesStructArrayTests
+
+ def build(type, values)
+ build_array(type, values)
+ end
+end
+
+class ValuesChunkedArrayStructArrayTest < Test::Unit::TestCase
+ include ValuesStructArrayTests
+
+ def build(type, values)
+ Arrow::ChunkedArray.new([build_array(type, values)])
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/.gitignore b/src/arrow/ruby/red-gandiva/.gitignore
new file mode 100644
index 000000000..afd93a168
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/.gitignore
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/Gemfile.lock
+/pkg/
diff --git a/src/arrow/ruby/red-gandiva/Gemfile b/src/arrow/ruby/red-gandiva/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-gandiva/LICENSE.txt b/src/arrow/ruby/red-gandiva/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
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+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
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+ including but not limited to software source code, documentation
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+
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+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
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+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
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+ the original version of the Work and any modifications or additions
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+
+ 4. Redistribution. You may reproduce and distribute copies of the
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+ meet the following conditions:
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+
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
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+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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+ 6. Trademarks. This License does not grant permission to use the trade
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
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+ incidental, or consequential damages of any character arising as a
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+ END OF TERMS AND CONDITIONS
+
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+
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+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
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+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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diff --git a/src/arrow/ruby/red-gandiva/NOTICE.txt b/src/arrow/ruby/red-gandiva/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-gandiva/README.md b/src/arrow/ruby/red-gandiva/README.md
new file mode 100644
index 000000000..ac6f88c58
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/README.md
@@ -0,0 +1,68 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Gandiva - Gandiva Ruby
+
+Red Gandiva is the Ruby bindings of Gandiva. Red Gandiva is based on GObject Introspection.
+
+Gandiva is a toolset for compiling and evaluating expressions on Arrow data.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Gandiva uses [Gandiva GLib](https://github.com/apache/arrow/tree/master/c_glib/gandiva-glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Gandiva.
+
+Gandiva GLib is a C wrapper for [Gandiva C++](https://github.com/apache/arrow/tree/master/cpp/gandiva). GObject Introspection can't use Gandiva C++ directly. Gandiva GLib is a bridge between Gandiva C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Gandiva uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Gandiva GLib before install Red Gandiva. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Gandiva after you install Gandiva GLib:
+
+```text
+% gem install red-gandiva
+```
+
+## Usage
+
+```ruby
+require "gandiva"
+
+table = Arrow::Table.new(:field1 => Arrow::Int32Array.new([1, 2, 3, 4]),
+ :field2 => Arrow::Int32Array.new([11, 13, 15, 17]))
+schema = table.schema
+
+expression1 = schema.build_expression do |record|
+ record.field1 + record.field2
+end
+
+expression2 = schema.build_expression do |record, context|
+ context.if(record.field1 > record.field2)
+ .then(record.field1 / record.field2)
+ .else(record.field1)
+end
+
+projector = Gandiva::Projector.new(schema, [expression1, expression2])
+table.each_record_batch do |record_batch|
+ outputs = projector.evaluate(record_batch)
+ puts outputs.collect(&:values))
+end
+```
diff --git a/src/arrow/ruby/red-gandiva/Rakefile b/src/arrow/ruby/red-gandiva/Rakefile
new file mode 100644
index 000000000..579b946d4
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(__dir__)
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-gandiva/dependency-check/Rakefile b/src/arrow/ruby/red-gandiva/dependency-check/Rakefile
new file mode 100644
index 000000000..6ec86fab0
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/gandiva/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("gandiva-glib",
+ Gandiva::Version::MAJOR,
+ Gandiva::Version::MINOR,
+ Gandiva::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libgandiva-glib-dev",
+ :redhat => "gandiva-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva.rb b/src/arrow/ruby/red-gandiva/lib/gandiva.rb
new file mode 100644
index 000000000..6a47a3210
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "gandiva/version"
+
+require "gandiva/loader"
+
+module Gandiva
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/arrow-schema.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/arrow-schema.rb
new file mode 100644
index 000000000..1656b4736
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/arrow-schema.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Arrow
+ class Schema
+ def build_expression(&block)
+ builder = Gandiva::ExpressionBuilder.new(self)
+ builder.build(&block)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder.rb
new file mode 100644
index 000000000..405a1f68e
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder.rb
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ def initialize(schema)
+ @schema = schema
+ end
+
+ def build
+ builder = yield(Record.new(@schema), Context.new)
+ node = builder.build
+ Expression.new(node,
+ Arrow::Field.new("result", node.return_type))
+ end
+ end
+end
+
+require "gandiva/expression-builder/add"
+require "gandiva/expression-builder/context"
+require "gandiva/expression-builder/divide"
+require "gandiva/expression-builder/elsif"
+require "gandiva/expression-builder/equal"
+require "gandiva/expression-builder/field"
+require "gandiva/expression-builder/greater-than"
+require "gandiva/expression-builder/if"
+require "gandiva/expression-builder/literal"
+require "gandiva/expression-builder/less-than"
+require "gandiva/expression-builder/multiply"
+require "gandiva/expression-builder/record"
+require "gandiva/expression-builder/subtract"
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/add.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/add.rb
new file mode 100644
index 000000000..210d47d52
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/add.rb
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class Add < BinaryOperation
+ def initialize(left, right)
+ super("add", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ # TODO: More clever implementation. e.g. (int64, float) -> float
+ left_return_type = left_node.return_type
+ right_return_type = right_node.return_type
+ if left_return_type.bit_width > right_return_type.bit_width
+ left_return_type
+ else
+ right_return_type
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/binary-operation.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/binary-operation.rb
new file mode 100644
index 000000000..922bdc4f3
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/binary-operation.rb
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/value"
+
+module Gandiva
+ class ExpressionBuilder
+ class BinaryOperation < Value
+ def initialize(operator, left, right)
+ @operator = operator
+ @left = left
+ @right = right
+ end
+
+ def build
+ left_node = @left.build
+ right_node = @right.build
+ FunctionNode.new(@operator,
+ [left_node, right_node],
+ return_type(left_node, right_node))
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/context.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/context.rb
new file mode 100644
index 000000000..25ceee5d0
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/context.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ class Context
+ def if(condition)
+ If.new(condition)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/divide.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/divide.rb
new file mode 100644
index 000000000..9888dc2a0
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/divide.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class Divide < BinaryOperation
+ def initialize(left, right)
+ super("divide", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ # TODO: Use float if left or right is float
+ left_node.return_type
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/elsif.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/elsif.rb
new file mode 100644
index 000000000..f5fc086d9
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/elsif.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/if"
+
+module Gandiva
+ class ExpressionBuilder
+ class Elsif < If
+ def initialize(parent, condition)
+ @parent = parent
+ super(condition)
+ end
+
+ def build
+ elsif_node = super
+ build_if_node(@parent.condition_node,
+ @parent.then_node,
+ elsif_node)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/equal.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/equal.rb
new file mode 100644
index 000000000..3e3ec2580
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/equal.rb
@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class Equal < BinaryOperation
+ def initialize(left, right)
+ super("equal", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ Arrow::BooleanDataType.new
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/field.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/field.rb
new file mode 100644
index 000000000..916333e23
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/field.rb
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/value"
+
+module Gandiva
+ class ExpressionBuilder
+ class Field < Value
+ def initialize(field)
+ @field = field
+ end
+
+ def build
+ FieldNode.new(@field)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/greater-than.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/greater-than.rb
new file mode 100644
index 000000000..65d146f9e
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/greater-than.rb
@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class GreaterThan < BinaryOperation
+ def initialize(left, right)
+ super("greater_than", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ Arrow::BooleanDataType.new
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/if.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/if.rb
new file mode 100644
index 000000000..c0a00c3a8
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/if.rb
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ class If
+ def initialize(condition)
+ @condition = condition
+ @then = nil
+ @else = nil
+ end
+
+ def then(clause)
+ @then = clause
+ self
+ end
+
+ def else(clause)
+ @else = clause
+ self
+ end
+
+ def elsif(condition)
+ Elsif.new(self, condition)
+ end
+
+ def build
+ build_if_node(condition_node,
+ then_node,
+ else_node)
+ end
+
+ protected
+ def condition_node
+ @condition.build
+ end
+
+ def then_node
+ @then&.build
+ end
+
+ def else_node
+ @else&.build
+ end
+
+ private
+ def build_if_node(condition_node, then_node, else_node)
+ if then_node and else_node
+ # TODO: Validate then_node.return_type == else_node.return_type
+ return_type = then_node.return_type
+ else
+ return_type = (then_node || else_node).return_type
+ end
+ IfNode.new(condition_node,
+ then_node,
+ else_node,
+ return_type)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/less-than.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/less-than.rb
new file mode 100644
index 000000000..93d19abd1
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/less-than.rb
@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class LessThan < BinaryOperation
+ def initialize(left, right)
+ super("less_than", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ Arrow::BooleanDataType.new
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/literal.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/literal.rb
new file mode 100644
index 000000000..da2de8273
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/literal.rb
@@ -0,0 +1,65 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ class Literal
+ class << self
+ def resolve(value)
+ case value
+ when true, false
+ new(BooleanLiteralNode, value)
+ when Integer
+ if value < -(2 ** 31)
+ new(Int64LiteralNode, value)
+ elsif value < -(2 ** 15)
+ new(Int32LiteralNode, value)
+ elsif value < -(2 ** 7)
+ new(Int16LiteralNode, value)
+ elsif value < 0
+ new(Int8LiteralNode, value)
+ elsif value < (2 ** 8 - 1)
+ new(UInt8LiteralNode, value)
+ elsif value < (2 ** 16 - 1)
+ new(UInt16LiteralNode, value)
+ elsif value < (2 ** 32 - 1)
+ new(UInt32LiteralNode, value)
+ else
+ new(UInt64LiteralNode, value)
+ end
+ when Float
+ new(DoubleLiteralNode, value)
+ when String
+ new(StringLiteralNode, value)
+ else
+ nil
+ end
+ end
+ end
+
+ attr_reader :value
+ def initialize(node_class, value)
+ @node_class = node_class
+ @value = value
+ end
+
+ def build
+ @node_class.new(value)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/multiply.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/multiply.rb
new file mode 100644
index 000000000..55c57a55d
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/multiply.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class Multiply < BinaryOperation
+ def initialize(left, right)
+ super("multiply", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ # TODO: Use larger type
+ right_node.return_type
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb
new file mode 100644
index 000000000..a8cd124fc
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ class Record
+ def initialize(schema)
+ @schema = schema
+ end
+
+ def respond_to_missing?(name, include_private)
+ return true if @schema[name]
+ super
+ end
+
+ def method_missing(name, *args)
+ return super unless args.empty?
+ self[name] || super
+ end
+
+ def [](name)
+ field = @schema[name]
+ if field
+ Field.new(field)
+ else
+ nil
+ end
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/subtract.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/subtract.rb
new file mode 100644
index 000000000..cc3810b72
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/subtract.rb
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva/expression-builder/binary-operation"
+
+module Gandiva
+ class ExpressionBuilder
+ class Subtract < BinaryOperation
+ def initialize(left, right)
+ super("subtract", left, right)
+ end
+
+ private
+ def return_type(left_node, right_node)
+ # TODO: Use larger type
+ right_node.return_type
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/value.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/value.rb
new file mode 100644
index 000000000..366e08871
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/value.rb
@@ -0,0 +1,55 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class ExpressionBuilder
+ class Value
+ def +(right)
+ Add.new(self, resolve(right))
+ end
+
+ def -(right)
+ Subtract.new(self, resolve(right))
+ end
+
+ def *(right)
+ Multiply.new(self, resolve(right))
+ end
+
+ def /(right)
+ Divide.new(self, resolve(right))
+ end
+
+ def >(right)
+ GreaterThan.new(self, resolve(right))
+ end
+
+ def <(right)
+ LessThan.new(self, resolve(right))
+ end
+
+ def ==(right)
+ Equal.new(self, resolve(right))
+ end
+
+ private
+ def resolve(value)
+ Literal.resolve(value) or value
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/loader.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/loader.rb
new file mode 100644
index 000000000..2d8c8a713
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/loader.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("Gandiva", Gandiva)
+ end
+ end
+
+ private
+ def load_method_info(info, klass, method_name)
+ case klass.name
+ when "Gandiva::BooleanLiteralNode"
+ case method_name
+ when "value?"
+ method_name = "value"
+ end
+ super(info, klass, method_name)
+ else
+ super
+ end
+ end
+
+ def post_load(repository, namespace)
+ require_libraries
+ end
+
+ def require_libraries
+ require "gandiva/arrow-schema"
+ require "gandiva/expression-builder"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/version.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/version.rb
new file mode 100644
index 000000000..c78f165ec
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/lib/gandiva/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Gandiva
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/red-gandiva.gemspec b/src/arrow/ruby/red-gandiva/red-gandiva.gemspec
new file mode 100644
index 000000000..ec4db8913
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/red-gandiva.gemspec
@@ -0,0 +1,49 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/gandiva/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-gandiva"
+ version_components = [
+ Gandiva::Version::MAJOR.to_s,
+ Gandiva::Version::MINOR.to_s,
+ Gandiva::Version::MICRO.to_s,
+ Gandiva::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Gandiva is the Ruby bindings of Gandiva"
+ spec.description = "Gandiva is a toolset for compiling and evaluating expressions on Arrow data."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-gandiva/test/expression-builder/test-add.rb b/src/arrow/ruby/red-gandiva/test/expression-builder/test-add.rb
new file mode 100644
index 000000000..d703c4902
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/expression-builder/test-add.rb
@@ -0,0 +1,54 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestExpressionBuilderAdd < Test::Unit::TestCase
+ def setup
+ @table = Arrow::Table.new(int32_field: Arrow::Int32Array.new([1]),
+ int64_field: Arrow::Int64Array.new([2]))
+ @schema = @table.schema
+ end
+
+ def build
+ record = Gandiva::ExpressionBuilder::Record.new(@schema)
+ builder = yield(record)
+ builder.build
+ end
+
+ test("literal") do
+ node = build do |record|
+ record.int32_field + (2 ** 63)
+ end
+ assert_equal("uint64 add((int32) int32_field, (const uint64) #{2 ** 63})",
+ node.to_s)
+ end
+
+ test("int32 + int64") do
+ node = build do |record|
+ record.int32_field + record.int64_field
+ end
+ assert_equal("int64 add((int32) int32_field, (int64) int64_field)",
+ node.to_s)
+ end
+
+ test("int64 + int32") do
+ node = build do |record|
+ record.int64_field + record.int32_field
+ end
+ assert_equal("int64 add((int64) int64_field, (int32) int32_field)",
+ node.to_s)
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/test/expression-builder/test-record.rb b/src/arrow/ruby/red-gandiva/test/expression-builder/test-record.rb
new file mode 100644
index 000000000..83a1831ba
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/expression-builder/test-record.rb
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestExpressionBuilderRecord < Test::Unit::TestCase
+ def setup
+ @table = Arrow::Table.new(field: Arrow::Int32Array.new([1, 13, 3, 17]))
+ @schema = @table.schema
+ end
+
+ def build
+ record = Gandiva::ExpressionBuilder::Record.new(@schema)
+ builder = yield(record)
+ builder.build
+ end
+
+ test("name") do
+ node = build do |record|
+ record.field
+ end
+ assert_equal("(int32) field",
+ node.to_s)
+ end
+
+ test("#[]") do
+ node = build do |record|
+ record[:field]
+ end
+ assert_equal("(int32) field",
+ node.to_s)
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/test/helper.rb b/src/arrow/ruby/red-gandiva/test/helper.rb
new file mode 100644
index 000000000..9c291f7ae
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/helper.rb
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "gandiva"
+
+require "test-unit"
diff --git a/src/arrow/ruby/red-gandiva/test/run-test.rb b/src/arrow/ruby/red-gandiva/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-gandiva/test/test-boolean-literal-node.rb b/src/arrow/ruby/red-gandiva/test/test-boolean-literal-node.rb
new file mode 100644
index 000000000..d79f72994
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/test-boolean-literal-node.rb
@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestBooleanLiteralNode < Test::Unit::TestCase
+ def test_value
+ value = true
+ literal_node = Gandiva::BooleanLiteralNode.new(value)
+ assert_equal(value, literal_node.value)
+ end
+end
diff --git a/src/arrow/ruby/red-gandiva/test/test-projector.rb b/src/arrow/ruby/red-gandiva/test/test-projector.rb
new file mode 100644
index 000000000..d618b248a
--- /dev/null
+++ b/src/arrow/ruby/red-gandiva/test/test-projector.rb
@@ -0,0 +1,49 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestProjector < Test::Unit::TestCase
+ def test_evaluate
+ table = Arrow::Table.new(:field1 => Arrow::Int32Array.new([1, 13, 3, 17]),
+ :field2 => Arrow::Int32Array.new([11, 2, 15, 17]),
+ :field3 => Arrow::Int32Array.new([1, 10, 2, 2]))
+ schema = table.schema
+
+ expression1 = schema.build_expression do |record|
+ record.field1 + record.field2
+ end
+
+ expression2 = schema.build_expression do |record, context|
+ context.if(record.field1 > record.field2)
+ .then(record.field1 + record.field2 * record.field3)
+ .elsif(record.field1 == record.field2)
+ .then(record.field1 - record.field2 / record.field3)
+ .else(record.field2)
+ end
+
+ projector = Gandiva::Projector.new(schema,
+ [expression1, expression2])
+
+ table.each_record_batch do |record_batch|
+ outputs = projector.evaluate(record_batch)
+ assert_equal([
+ [12, 15, 18, 34],
+ [11, 33, 15, 9]
+ ],
+ outputs.collect(&:values))
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/.gitignore b/src/arrow/ruby/red-parquet/.gitignore
new file mode 100644
index 000000000..afd93a168
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/.gitignore
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/Gemfile.lock
+/pkg/
diff --git a/src/arrow/ruby/red-parquet/Gemfile b/src/arrow/ruby/red-parquet/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-parquet/LICENSE.txt b/src/arrow/ruby/red-parquet/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Work" shall mean the work of authorship, whether in Source or
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+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
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+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
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+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
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+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
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+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/src/arrow/ruby/red-parquet/NOTICE.txt b/src/arrow/ruby/red-parquet/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-parquet/README.md b/src/arrow/ruby/red-parquet/README.md
new file mode 100644
index 000000000..ff919c537
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/README.md
@@ -0,0 +1,52 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Parquet - Apache Parquet Ruby
+
+Red Parquet is the Ruby bindings of Apache Parquet. Red Parquet is based on GObject Introspection.
+
+[Apache Parquet](https://parquet.apache.org/) is a columnar storage format.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Parquet uses [Apache Parquet GLib](https://github.com/apache/arrow/tree/master/c_glib/parquet-glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Parquet.
+
+Apache Parquet GLib is a C wrapper for [Apache Parquet C++](https://github.com/apache/arrow/tree/master/cpp/src/parquet). GObject Introspection can't use Apache Parquet C++ directly. Apache Parquet GLib is a bridge between Apache Parquet C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Parquet uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Apache Parquet GLib before install Red Parquet. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Parquet after you install Apache Parquet GLib:
+
+```text
+% gem install red-parquet
+```
+
+## Usage
+
+```ruby
+require "parquet"
+
+table = Arrow::Table.load("/dev/shm/data.parquet")
+# Process data in table
+table.save("/dev/shm/data-processed.parquet")
+```
diff --git a/src/arrow/ruby/red-parquet/Rakefile b/src/arrow/ruby/red-parquet/Rakefile
new file mode 100644
index 000000000..579b946d4
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(__dir__)
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-parquet/dependency-check/Rakefile b/src/arrow/ruby/red-parquet/dependency-check/Rakefile
new file mode 100644
index 000000000..58420eea4
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/parquet/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("parquet-glib",
+ Parquet::Version::MAJOR,
+ Parquet::Version::MINOR,
+ Parquet::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libparquet-glib-dev",
+ :redhat => "parquet-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet.rb b/src/arrow/ruby/red-parquet/lib/parquet.rb
new file mode 100644
index 000000000..81ae7d3ae
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "parquet/version"
+
+require "parquet/loader"
+
+module Parquet
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-loadable.rb b/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-loadable.rb
new file mode 100644
index 000000000..e3aa1ce0a
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-loadable.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Parquet
+ module ArrowTableLoadable
+ private
+ def load_as_parquet
+ input = open_input_stream
+ reader = Parquet::ArrowFileReader.new(input)
+ reader.use_threads = (@options[:use_threads] != false)
+ table = reader.read_table
+ table.instance_variable_set(:@input, input)
+ table
+ end
+ end
+end
+
+module Arrow
+ class TableLoader
+ include Parquet::ArrowTableLoadable
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-savable.rb b/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-savable.rb
new file mode 100644
index 000000000..70c597527
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet/arrow-table-savable.rb
@@ -0,0 +1,52 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Parquet
+ module ArrowTableSavable
+ private
+ def save_as_parquet
+ properties = WriterProperties.new
+ @options.each do |key, value|
+ next if value.nil?
+ set_method_name = "set_#{key}"
+ next unless properties.respond_to?(set_method_name)
+ case value
+ when ::Array, ::Hash
+ value.each do |path, v|
+ properties.__send__(set_method_name, v, path)
+ end
+ else
+ properties.__send__(set_method_name, value)
+ end
+ end
+ chunk_size = @options[:chunk_size] || @table.n_rows
+ open_raw_output_stream do |output|
+ ArrowFileWriter.open(@table.schema,
+ output,
+ properties) do |writer|
+ writer.write_table(@table, chunk_size)
+ end
+ end
+ end
+ end
+end
+
+module Arrow
+ class TableSaver
+ include Parquet::ArrowTableSavable
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet/loader.rb b/src/arrow/ruby/red-parquet/lib/parquet/loader.rb
new file mode 100644
index 000000000..5e25872ff
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet/loader.rb
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Parquet
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("Parquet", Parquet)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ end
+
+ def require_libraries
+ require "parquet/arrow-table-loadable"
+ require "parquet/arrow-table-savable"
+ require "parquet/writer-properties"
+ end
+
+ def load_object_info(info)
+ super
+
+ klass = @base_module.const_get(rubyish_class_name(info))
+ if klass.method_defined?(:close)
+ klass.extend(Arrow::BlockClosable)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet/version.rb b/src/arrow/ruby/red-parquet/lib/parquet/version.rb
new file mode 100644
index 000000000..8c9b41a36
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Parquet
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/lib/parquet/writer-properties.rb b/src/arrow/ruby/red-parquet/lib/parquet/writer-properties.rb
new file mode 100644
index 000000000..5881471b4
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/lib/parquet/writer-properties.rb
@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Parquet
+ class WriterProperties
+ def set_dictionary(enable, path=nil)
+ if enable
+ enable_dictionary(path)
+ else
+ disable_dictionary(path)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-parquet/red-parquet.gemspec b/src/arrow/ruby/red-parquet/red-parquet.gemspec
new file mode 100644
index 000000000..dffafed19
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/red-parquet.gemspec
@@ -0,0 +1,49 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/parquet/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-parquet"
+ version_components = [
+ Parquet::Version::MAJOR.to_s,
+ Parquet::Version::MINOR.to_s,
+ Parquet::Version::MICRO.to_s,
+ Parquet::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Parquet is the Ruby bindings of Apache Parquet"
+ spec.description = "Apache Parquet is a columnar storage format."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-parquet/test/helper.rb b/src/arrow/ruby/red-parquet/test/helper.rb
new file mode 100644
index 000000000..169d1df42
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/test/helper.rb
@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "parquet"
+
+require "tempfile"
+
+require "test-unit"
diff --git a/src/arrow/ruby/red-parquet/test/run-test.rb b/src/arrow/ruby/red-parquet/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-parquet/test/test-arrow-table.rb b/src/arrow/ruby/red-parquet/test/test-arrow-table.rb
new file mode 100644
index 000000000..1ea2669e3
--- /dev/null
+++ b/src/arrow/ruby/red-parquet/test/test-arrow-table.rb
@@ -0,0 +1,99 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestArrowTable < Test::Unit::TestCase
+ def setup
+ @count_field = Arrow::Field.new("count", :uint8)
+ @visible_field = Arrow::Field.new("visible", :boolean)
+ @label_field = Arrow::Field.new("label", :string)
+ schema = Arrow::Schema.new([@count_field, @visible_field, @label_field])
+ count_arrays = [
+ Arrow::UInt8Array.new([1, 2]),
+ Arrow::UInt8Array.new([4, 8, 16]),
+ Arrow::UInt8Array.new([32, 64]),
+ Arrow::UInt8Array.new([128]),
+ ]
+ visible_arrays = [
+ Arrow::BooleanArray.new([true, false, nil]),
+ Arrow::BooleanArray.new([true]),
+ Arrow::BooleanArray.new([true, false]),
+ Arrow::BooleanArray.new([nil]),
+ Arrow::BooleanArray.new([nil]),
+ ]
+ label_arrays = [
+ Arrow::StringArray.new(["a"]),
+ Arrow::StringArray.new(["b", "c"]),
+ Arrow::StringArray.new(["d", nil, nil]),
+ Arrow::StringArray.new(["e", "f"]),
+ ]
+ @count_array = Arrow::ChunkedArray.new(count_arrays)
+ @visible_array = Arrow::ChunkedArray.new(visible_arrays)
+ @label_array = Arrow::ChunkedArray.new(label_arrays)
+ @table = Arrow::Table.new(schema,
+ [@count_array, @visible_array, @label_array])
+
+ @output = Tempfile.open(["red-parquet", ".parquet"])
+ begin
+ yield(@output)
+ ensure
+ @output.close!
+ end
+ end
+
+ def test_save_load_path
+ @table.save(@output.path)
+ assert do
+ @table.equal_metadata(Arrow::Table.load(@output.path), false)
+ end
+ end
+
+ def test_save_load_buffer
+ buffer = Arrow::ResizableBuffer.new(1024)
+ @table.save(buffer, format: :parquet)
+ assert do
+ @table.equal_metadata(Arrow::Table.load(buffer, format: :parquet), false)
+ end
+ end
+
+ def test_save_load_compression
+ @table.save(@output.path, compression: :zstd)
+ assert do
+ @table.equal_metadata(Arrow::Table.load(@output.path), false)
+ end
+ end
+
+ def test_save_load_compression_path
+ @table.save(@output.path, compression: {"count" => :zstd})
+ assert do
+ @table.equal_metadata(Arrow::Table.load(@output.path), false)
+ end
+ end
+
+ def test_save_load_dictionary
+ @table.save(@output.path, dictionary: false)
+ assert do
+ @table.equal_metadata(Arrow::Table.load(@output.path), false)
+ end
+ end
+
+ def test_save_load_dictionary_path
+ @table.save(@output.path, dictionary: [["label", false]])
+ assert do
+ @table.equal_metadata(Arrow::Table.load(@output.path), false)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/.gitignore b/src/arrow/ruby/red-plasma/.gitignore
new file mode 100644
index 000000000..afd93a168
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/.gitignore
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/Gemfile.lock
+/pkg/
diff --git a/src/arrow/ruby/red-plasma/Gemfile b/src/arrow/ruby/red-plasma/Gemfile
new file mode 100644
index 000000000..7c4cefcf3
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/Gemfile
@@ -0,0 +1,24 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+source "https://rubygems.org/"
+
+gemspec
+
+gem "red-arrow", path: "../red-arrow"
diff --git a/src/arrow/ruby/red-plasma/LICENSE.txt b/src/arrow/ruby/red-plasma/LICENSE.txt
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
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+ "Licensor" shall mean the copyright owner or entity authorized by
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+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
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+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
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+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/src/arrow/ruby/red-plasma/NOTICE.txt b/src/arrow/ruby/red-plasma/NOTICE.txt
new file mode 100644
index 000000000..e08aeda8a
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/src/arrow/ruby/red-plasma/README.md b/src/arrow/ruby/red-plasma/README.md
new file mode 100644
index 000000000..9fb8fe794
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/README.md
@@ -0,0 +1,58 @@
+<!---
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+
+# Red Plasma - Plasma Ruby
+
+Red Plasma is the Ruby bindings of Plasma. Red Plasma is based on GObject Introspection.
+
+Plasma is an in-memory object store and cache for big data.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Plasma uses [Plasma GLib](https://github.com/apache/arrow/tree/master/c_glib/plasma-glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Plasma.
+
+Plasma GLib is a C wrapper for [Plasma C++](https://github.com/apache/arrow/tree/master/cpp/plasma). GObject Introspection can't use Plasma C++ directly. Plasma GLib is a bridge between Plasma C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Plasma uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Plasma GLib before install Red Plasma. See [Apache Arrow install document](https://arrow.apache.org/install/) for details.
+
+Install Red Plasma after you install Plasma GLib:
+
+```text
+% gem install red-plasma
+```
+
+## Usage
+
+Starting the Plasma store
+
+```console
+plasma-store-server -m 1000000000 -s /tmp/plasma
+```
+
+Creating a Plasma client
+
+```ruby
+require "plasma"
+
+client = Plasma::Client.new("/tmp/plasma")
+```
diff --git a/src/arrow/ruby/red-plasma/Rakefile b/src/arrow/ruby/red-plasma/Rakefile
new file mode 100644
index 000000000..579b946d4
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/Rakefile
@@ -0,0 +1,41 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(__dir__)
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd(base_dir) do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+ end
+end
+
+task default: :test
diff --git a/src/arrow/ruby/red-plasma/dependency-check/Rakefile b/src/arrow/ruby/red-plasma/dependency-check/Rakefile
new file mode 100644
index 000000000..6792596d4
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/dependency-check/Rakefile
@@ -0,0 +1,47 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "pkg-config"
+require "native-package-installer"
+require_relative "../lib/plasma/version"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("plasma-glib",
+ Plasma::Version::MAJOR,
+ Plasma::Version::MINOR,
+ Plasma::Version::MICRO)
+ unless NativePackageInstaller.install(:debian => "libplasma-glib-dev",
+ :redhat => "plasma-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/lib/plasma.rb b/src/arrow/ruby/red-plasma/lib/plasma.rb
new file mode 100644
index 000000000..c8b4aa872
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/lib/plasma.rb
@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "arrow"
+
+require "plasma/version"
+
+require "plasma/loader"
+
+module Plasma
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/src/arrow/ruby/red-plasma/lib/plasma/client.rb b/src/arrow/ruby/red-plasma/lib/plasma/client.rb
new file mode 100644
index 000000000..d32ded6ff
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/lib/plasma/client.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Plasma
+ class Client
+ alias_method :initialize_raw, :initialize
+ private :initialize_raw
+ def initialize(socket_path, options=nil)
+ socket_path = socket_path.to_path if socket_path.respond_to?(:to_path)
+ if options
+ options_raw = options
+ options = ClientOptions.new
+ options_raw.each do |key, value|
+ setter = "#{key}="
+ options.__send__(setter, value) if options.respond_to?(setter)
+ end
+ end
+ initialize_raw(socket_path, options)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/lib/plasma/loader.rb b/src/arrow/ruby/red-plasma/lib/plasma/loader.rb
new file mode 100644
index 000000000..f9125a6f6
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/lib/plasma/loader.rb
@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Plasma
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("Plasma", Plasma)
+ end
+ end
+
+ private
+ def post_load(repository, namespace)
+ require_libraries
+ end
+
+ def require_libraries
+ require "plasma/client"
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/lib/plasma/version.rb b/src/arrow/ruby/red-plasma/lib/plasma/version.rb
new file mode 100644
index 000000000..36ead51cb
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/lib/plasma/version.rb
@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Plasma
+ VERSION = "6.0.1"
+
+ module Version
+ numbers, TAG = VERSION.split("-")
+ MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i)
+ STRING = VERSION
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/red-plasma.gemspec b/src/arrow/ruby/red-plasma/red-plasma.gemspec
new file mode 100644
index 000000000..67e189a3c
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/red-plasma.gemspec
@@ -0,0 +1,49 @@
+# -*- ruby -*-
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative "lib/plasma/version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-plasma"
+ version_components = [
+ Plasma::Version::MAJOR.to_s,
+ Plasma::Version::MINOR.to_s,
+ Plasma::Version::MICRO.to_s,
+ Plasma::Version::TAG,
+ ]
+ spec.version = version_components.compact.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Plasma is the Ruby bindings of Plasma"
+ spec.description = "Plasma is an in-memory object store and cache for big data."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow", "= #{spec.version}")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/src/arrow/ruby/red-plasma/test/helper.rb b/src/arrow/ruby/red-plasma/test/helper.rb
new file mode 100644
index 000000000..02c545f53
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/test/helper.rb
@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require "plasma"
+
+require "tempfile"
+
+require "test-unit"
+
+require_relative "helper/omittable"
+require_relative "helper/plasma-store"
diff --git a/src/arrow/ruby/red-plasma/test/helper/omittable.rb b/src/arrow/ruby/red-plasma/test/helper/omittable.rb
new file mode 100644
index 000000000..a1c0334b6
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/test/helper/omittable.rb
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Helper
+ module Omittable
+ def require_gi_bindings(major, minor, micro)
+ return if GLib.check_binding_version?(major, minor, micro)
+ message =
+ "Require gobject-introspection #{major}.#{minor}.#{micro} or later: " +
+ GLib::BINDING_VERSION.join(".")
+ omit(message)
+ end
+
+ def require_gi(major, minor, micro)
+ return if GObjectIntrospection::Version.or_later?(major, minor, micro)
+ message =
+ "Require GObject Introspection #{major}.#{minor}.#{micro} or later: " +
+ GObjectIntrospection::Version::STRING
+ omit(message)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/test/helper/plasma-store.rb b/src/arrow/ruby/red-plasma/test/helper/plasma-store.rb
new file mode 100644
index 000000000..dcf1f47ae
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/test/helper/plasma-store.rb
@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Helper
+ class PlasmaStore
+ def initialize(options={})
+ @path = `pkg-config --variable=plasma_store_server plasma`.chomp
+ @memory_size = options[:memory_size] || 1024 * 1024
+ @socket_file = Tempfile.new(["plasma-store", ".sock"])
+ @socket_file.close
+ @pid = nil
+ FileUtils.rm_f(socket_path)
+ end
+
+ def socket_path
+ @socket_file.path
+ end
+
+ def start
+ @pid = spawn(@path,
+ "-m", @memory_size.to_s,
+ "-s", socket_path)
+ until File.exist?(socket_path)
+ if Process.waitpid(@pid, Process::WNOHANG)
+ raise "Failed to run plasma-store-server: #{@path}"
+ end
+ end
+ end
+
+ def stop
+ return if @pid.nil?
+ Process.kill(:TERM, @pid)
+ timeout = 1
+ limit = Time.now + timeout
+ while Time.now < limit
+ return if Process.waitpid(@pid, Process::WNOHANG)
+ sleep(0.1)
+ end
+ Process.kill(:KILL, @pid)
+ Process.waitpid(@pid)
+ end
+ end
+end
diff --git a/src/arrow/ruby/red-plasma/test/run-test.rb b/src/arrow/ruby/red-plasma/test/run-test.rb
new file mode 100755
index 000000000..48d2c49e1
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/test/run-test.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+$VERBOSE = true
+
+require "pathname"
+
+(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path|
+ RubyInstaller::Runtime.add_dll_directory(path)
+end
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+arrow_ext_dir = arrow_base_dir + "ext" + "arrow"
+
+build_dir = ENV["BUILD_DIR"]
+if build_dir
+ arrow_build_dir = Pathname.new(build_dir) + "red-arrow"
+else
+ arrow_build_dir = arrow_ext_dir
+end
+
+$LOAD_PATH.unshift(arrow_build_dir.to_s)
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/src/arrow/ruby/red-plasma/test/test-plasma-client.rb b/src/arrow/ruby/red-plasma/test/test-plasma-client.rb
new file mode 100644
index 000000000..d6182976c
--- /dev/null
+++ b/src/arrow/ruby/red-plasma/test/test-plasma-client.rb
@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+class TestPlasmaClient < Test::Unit::TestCase
+ include Helper::Omittable
+
+ def setup
+ @store = nil
+ require_gi_bindings(3, 3, 9)
+ @store = Helper::PlasmaStore.new
+ @store.start
+ @id = Plasma::ObjectID.new("Hello")
+ @data = "World"
+ end
+
+ def teardown
+ @store.stop if @store
+ end
+
+ def test_new_pathname
+ client = Plasma::Client.new(Pathname(@store.socket_path))
+ object = client.create(@id, @data.bytesize, nil)
+ object.data.set_data(0, @data)
+ object.seal
+
+ object = client.refer_object(@id, -1)
+ assert_equal(@data, object.data.data.to_s)
+ end
+
+ def test_new_options
+ client = Plasma::Client.new(@store.socket_path, n_retries: 1)
+ object = client.create(@id, @data.bytesize, nil)
+ object.data.set_data(0, @data)
+ object.seal
+
+ object = client.refer_object(@id, -1)
+ assert_equal(@data, object.data.data.to_s)
+ end
+end