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Diffstat (limited to '')
| -rw-r--r-- | src/arrow/ruby/red-parquet/lib/parquet/arrow-table-savable.rb | 52 |
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 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 |