Takeshi Yamamuro 94d648dff5 [SPARK-33036][SQL] Refactor RewriteCorrelatedScalarSubquery code to replace exprIds in a bottom-up manner ... ### What changes were proposed in this pull request? This PR intends to refactor code in `RewriteCorrelatedScalarSubquery` for replacing `ExprId`s in a bottom-up manner instead of doing in a top-down one. This PR comes from the talk with cloud-fan in https://github.com/apache/spark/pull/29585#discussion_r490371252. ### Why are the changes needed? To improve code. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Existing tests. Closes #29913 from maropu/RefactorRewriteCorrelatedScalarSubquery. Authored-by: Takeshi Yamamuro <yamamuro@apache.org> Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org>		2020-10-07 20:16:40 +09:00
..
benchmarks	[SPARK-30413][SQL] Avoid WrappedArray roundtrip in GenericArrayData constructor, plus related optimization in ParquetMapConverter	2020-01-19 19:12:19 -08:00
src	[SPARK-33036][SQL] Refactor RewriteCorrelatedScalarSubquery code to replace exprIds in a bottom-up manner	2020-10-07 20:16:40 +09:00
pom.xml	[SPARK-32312][SQL][PYTHON][TEST-JAVA11] Upgrade Apache Arrow to version 1.0.1	2020-09-10 14:16:19 +09:00