EnricoMi commented on code in PR #39754:
URL: https://github.com/apache/spark/pull/39754#discussion_r1854014296
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ColumnResolutionHelper.scala:
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@@ -196,6 +196,8 @@ trait ColumnResolutionHelper extends Logging with
DataTypeErrorsBase {
u.copy(child = newChild)
}
+ case s : ScopedExpression => s.mapScope(innerResolve(_, isTopLevel =
false))
Review Comment:
Using `resolveColumnByName` here might not be generic enough to support all
kinds of expressions. I like the recursive call here, as it simply mimics the
`mapChildren` call below but with the scope only.
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