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Diffstat (limited to '')
-rw-r--r-- | src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb new file mode 100644 index 000000000..a8cd124fc --- /dev/null +++ b/src/arrow/ruby/red-gandiva/lib/gandiva/expression-builder/record.rb @@ -0,0 +1,45 @@ +# 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 Gandiva + class ExpressionBuilder + class Record + def initialize(schema) + @schema = schema + end + + def respond_to_missing?(name, include_private) + return true if @schema[name] + super + end + + def method_missing(name, *args) + return super unless args.empty? + self[name] || super + end + + def [](name) + field = @schema[name] + if field + Field.new(field) + else + nil + end + end + end + end +end |