dilipbiswal commented on a change in pull request #24209: [SPARK-27255][SQL]
Aggregate functions should not be allowed in WHERE
URL: https://github.com/apache/spark/pull/24209#discussion_r269794597
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
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@@ -172,16 +176,15 @@ trait CheckAnalysis extends PredicateHelper {
failAnalysis("Null-aware predicate sub-queries cannot be used in
nested " +
s"conditions: $condition")
+ case Filter(condition, _) if
condition.find(isAggregateExpression(_)).isDefined =>
Review comment:
@gatorsmile @cloud-fan Just made change to make use of the integrity check
method. I had to refactor it out as its a private method in optimizer. Is this
what you had in mind ? Please let me know.
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