cloud-fan commented on code in PR #39170:
URL: https://github.com/apache/spark/pull/39170#discussion_r1116492541
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/InjectRuntimeFilter.scala:
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@@ -146,6 +148,15 @@ object InjectRuntimeFilter extends Rule[LogicalPlan] with
PredicateHelper with J
predicateReference ++ condition.references,
hasHitFilter = true,
hasHitSelectiveFilter = hasHitSelectiveFilter ||
isLikelySelective(condition))
+ case ExtractEquiJoinKeys(joinType, leftKeys, rightKeys, _, _, left,
right, _)
Review Comment:
The PR description is very clear about what this PR is doing, but the "how"
part is missing. I don't quite understand the changes here. Does it mean a join
query can be the build query of a runtime filter?
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