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[SPARK-32201][SQL] More general skew join pattern matching #29021

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LantaoJin wants to merge 15 commits into from
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[SPARK-32201][SQL] More general skew join pattern matching #29021

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479d56b
[SPARK-32201][SQL] More general skew join pattern matching
LantaoJin Jul 7, 2020
947927a
remove the println
LantaoJin Jul 7, 2020
607eb08
cannot split if AggExec in one side
LantaoJin Jul 7, 2020
80bef0d
add more agg exec
LantaoJin Jul 8, 2020
dd09e70
Add a new parititioning CoalescedHashPartitioning
LantaoJin Jul 10, 2020
76dc3ea
fix ut
LantaoJin Jul 11, 2020
7465bfa
more general canSplitXSide
LantaoJin Jul 15, 2020
0950e9a
fix ut
LantaoJin Jul 16, 2020
42a52a1
Merge branch 'master' into SPARK-32201
LantaoJin Jul 16, 2020
973d87e
add another skew test case
LantaoJin Jul 16, 2020
d65a210
canUseLocalShuffleReader should consider skew optimization
LantaoJin Jul 16, 2020
6f7dbc2
fix ut
LantaoJin Jul 16, 2020
aa3af93
approach 2: remove 'CoalescedHashPartitioning' and refine code
LantaoJin Jul 20, 2020
3cd411f
remove dead code
LantaoJin Jul 20, 2020
5bed68c
Merge remote-tracking branch 'upstream/master' into SPARK-32201
LantaoJin Jul 21, 2020
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fix ut
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@LantaoJin
LantaoJin committed Jul 11, 2020
commit 76dc3ea8aea6bc77b7bbeaaf1ee8d9b66fe97d27
2 changes: 1 addition & 1 deletion ...core/src/main/scala/org/apache/spark/sql/execution/adaptive/CustomShuffleReaderExec.scala
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Expand Up @@ -71,7 +71,7 @@ case class CustomShuffleReaderExec private(
case ShuffleQueryStageExec(_, ShuffleExchangeExec(p: HashPartitioning, _, _)) =>
CoalescedHashPartitioning(p.expressions, partitionSpecs.size)
case _ =>
throw new IllegalStateException("operating on canonicalization plan")
UnknownPartitioning(partitionSpecs.length)
}
} else {
UnknownPartitioning(partitionSpecs.length)
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