agubichev commented on code in PR #43111:
URL: https://github.com/apache/spark/pull/43111#discussion_r1345923815
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala:
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@@ -283,6 +305,15 @@ object PullupCorrelatedPredicates extends
Rule[LogicalPlan] with PredicateHelper
} else {
a
}
+
+ case l @ Limit(_, _) if predicateMap.nonEmpty =>
Review Comment:
no, we don't.
In fact, CheckAnalysis now allows LIMIT in the correlated subqueries as we
support them in lateral/scalar/ EXISTs and IN (the latter is done in this PR).
This check just makes sure that the legacy path (aka
PullupCorrelatedPredicates) does not allow LIMITs.
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