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Versions: 27
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Contents
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT 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
Version data entries
27 entries across 27 versions & 1 rubygems