# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT 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