yadavay-amzn commented on code in PR #56472:
URL: https://github.com/apache/spark/pull/56472#discussion_r3503161842
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala:
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@@ -947,6 +947,21 @@ trait CheckAnalysis extends LookupCatalog with
QueryErrorsBase with PlanToString
messageParameters = Map("checkCondition" ->
a.checkConstraint.condition)
)
+ // Reject session/temp variables in persisted CHECK constraints.
+ case a: AddCheckConstraint =>
+ a.checkConstraint.child.collectFirst {
+ case v: VariableReference => v
+ }.foreach { v =>
+ v.failAnalysis(
Review Comment:
Extracted CheckConstraint.rejectTempVariables in the companion object - both
call sites (ResolveTableSpec and CheckAnalysis) now delegate to it, so the
detection logic and the error parameters live in one place.
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