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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 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
Version data entries
33 entries across 33 versions & 1 rubygems