cloud-fan commented on a change in pull request #30144:
URL: https://github.com/apache/spark/pull/30144#discussion_r610629715
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/grouping.scala
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@@ -32,8 +32,6 @@ trait BaseGroupingSets extends Expression with
CodegenFallback {
def selectedGroupByExprs: Seq[Seq[Expression]]
def groupByExprs: Seq[Expression] = {
- assert(children.forall(_.resolved),
- "Cannot call BaseGroupingSets.groupByExprs before the children
expressions are all resolved.")
Review comment:
Let me make it clear: we must keep the assert here, it's wrong to call
`semanticEquals` if the expression is not resolved yet.
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