Github user gengliangwang closed the pull request at:
https://github.com/apache/spark/pull/19253
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Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19253#discussion_r139297437
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -541,6 +541,25 @@ object CollapseProject extends Ru
Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19253#discussion_r139297406
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
---
@@ -541,6 +541,25 @@ object CollapseProject extends Ru
GitHub user gengliangwang opened a pull request:
https://github.com/apache/spark/pull/19253
[SPARK-22037][SQL] Collapse Project if it is the child of Aggregate
## What changes were proposed in this pull request?
If Aggregate's child is Project, collapse the Project into the
