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spark-instrumented-optimizer/sql/catalyst/src
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Michael Armbrust 269fc62b20 [SQL] Support transforming TreeNodes with Option children. 
Thanks goes to @marmbrus for his implementation.

Author: Michael Armbrust <michael@databricks.com>
Author: Zongheng Yang <zongheng.y@gmail.com>

Closes #1074 from concretevitamin/option-treenode and squashes the following commits:

ef27b85 [Zongheng Yang] Merge pull request #1 from marmbrus/pr/1074
73133c2 [Michael Armbrust] TreeNodes can't be inner classes.
ab78420 [Zongheng Yang] Add a test.
2ccb721 [Michael Armbrust] Add support for transformation of optional children.
2014-06-15 11:28:34 +02:00
..
main/scala/org/apache/spark/sql [SQL] Support transforming TreeNodes with Option children. 2014-06-15 11:28:34 +02:00
test/scala/org/apache/spark/sql/catalyst [SQL] Support transforming TreeNodes with Option children. 2014-06-15 11:28:34 +02:00