1 files changed, 52 insertions, 0 deletions
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
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+++ 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