allisonwang-db commented on a change in pull request #32303:
URL: https://github.com/apache/spark/pull/32303#discussion_r622372553
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
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@@ -1037,6 +1057,10 @@ trait CheckAnalysis extends PredicateHelper with
LookupCatalog {
failOnInvalidOuterReference(j)
failOnOuterReferenceInSubTree(left)
+ // Lateral join is not supported inside a correlated subquery.
+ case LateralJoin(_) =>
+ failOnOuterReferenceInSubTree(j)
Review comment:
The error message here is "Accessing outer query column is not allowed
in LateralJoin...". I will make the error message more explicit.
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