AngersZhuuuu commented on a change in pull request #29035:
URL: https://github.com/apache/spark/pull/29035#discussion_r452597570
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/EliminateResolvedHint.scala
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@@ -43,6 +43,22 @@ object EliminateResolvedHint extends Rule[LogicalPlan] {
case h: ResolvedHint =>
hintErrorHandler.joinNotFoundForJoinHint(h.hints)
h.child
+ case join: Join if join.condition.isDefined =>
+ join.copy(
+ hint = join.hint.copy(
+ leftHint = removeCartesianProductJoinHint(join.hint.leftHint),
+ rightHint = removeCartesianProductJoinHint(join.hint.rightHint)))
+ }
+ }
+
+ def removeCartesianProductJoinHint(hint: Option[HintInfo]): Option[HintInfo]
= {
Review comment:
> You cannot use the original condition in logical.Join?
>
> ```
> case p @ ExtractEquiJoinKeys(joinType, leftKeys, rightKeys, condition,
left, right, hint) =>
> p.condition <-- This?
> ```
Don't know we can write like this....updated..
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