tanel.kiis@gmail.com 67ec4f7f67 [SPARK-33971][SQL] Eliminate distinct from more aggregates ... ### What changes were proposed in this pull request? Add more aggregate expressions to `EliminateDistinct` rule. ### Why are the changes needed? Distinct aggregation can add a significant overhead. It's better to remove distinct whenever possible. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? UT Closes #30999 from tanelk/SPARK-33971_eliminate_distinct. Authored-by: tanel.kiis@gmail.com <tanel.kiis@gmail.com> Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org>		2021-02-26 21:59:02 +09:00
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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-33971][SQL] Eliminate distinct from more aggregates	2021-02-26 21:59:02 +09:00
pom.xml	[SPARK-33212][BUILD] Upgrade to Hadoop 3.2.2 and move to shaded clients for Hadoop 3.x profile	2021-01-15 14:06:50 -08:00