zml1206 commented on code in PR #48300:
URL: https://github.com/apache/spark/pull/48300#discussion_r1797515155
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/PropagateEmptyRelation.scala:
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@@ -111,7 +111,8 @@ abstract class PropagateEmptyRelationBase extends
Rule[LogicalPlan] with CastSup
// Except is handled as LeftAnti by `ReplaceExceptWithAntiJoin` rule.
case LeftOuter | LeftSemi | LeftAnti if isLeftEmpty => empty(p)
case LeftSemi if isRightEmpty | isFalseCondition => empty(p)
- case LeftAnti if isRightEmpty | isFalseCondition => p.left
+ case LeftAnti if (isRightEmpty | isFalseCondition) &&
canExecuteWithoutJoin(p.left) =>
Review Comment:
LeftOuter, LeftSemi, RightOuter have been processed in #46523. @maryannxue
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