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[SPARK-20175][SQL] Exists should not be evaluated in Join operator
## What changes were proposed in this pull request? Similar to `ListQuery`, `Exists` should not be evaluated in `Join` operator too. ## How was this patch tested? Jenkins tests. Please review http://spark.apache.org/contributing.html before opening a pull request. Author: Liang-Chi Hsieh <viirya@gmail.com> Closes #17491 from viirya/dont-push-exists-to-join.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala 2 additions, 1 deletion...rg/apache/spark/sql/catalyst/expressions/predicates.scala
- sql/core/src/test/scala/org/apache/spark/sql/SubquerySuite.scala 10 additions, 0 deletions...e/src/test/scala/org/apache/spark/sql/SubquerySuite.scala
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