Dilip Biswal ad4823c99d [SPARK-19712][SQL] Pushing Left Semi and Left Anti joins through Project, Aggregate, Window, Union etc. ... ## What changes were proposed in this pull request? This PR adds support for pushing down LeftSemi and LeftAnti joins below operators such as Project, Aggregate, Window, Union etc. This is the initial piece of work that will be needed for the subsequent work of moving the subquery rewrites to the beginning of optimization phase. The larger PR is [here](https://github.com/apache/spark/pull/23211) . This PR addresses the comment at [link](https://github.com/apache/spark/pull/23211#issuecomment-445705922). ## How was this patch tested? Added a new test suite LeftSemiAntiJoinPushDownSuite. Closes #23750 from dilipbiswal/SPARK-19712-pushleftsemi. Authored-by: Dilip Biswal <dbiswal@us.ibm.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com>		2019-03-04 19:09:24 +08:00
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benchmarks	[SPARK-25657][SQL][TEST] Refactor HashBenchmark to use main method	2018-10-07 09:49:37 -07:00
src	[SPARK-19712][SQL] Pushing Left Semi and Left Anti joins through Project, Aggregate, Window, Union etc.	2019-03-04 19:09:24 +08:00
pom.xml	[SPARK-27016][SQL][BUILD] Treat all antlr warnings as errors while generating parser from the sql grammar file.	2019-03-03 10:02:25 -06:00