dilipbiswal commented on a change in pull request #23211: [SPARK-19712][SQL]
Move PullupCorrelatedPredicates and RewritePredicateSubquery after
OptimizeSubqueries
URL: https://github.com/apache/spark/pull/23211#discussion_r240353357
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/subquery.scala
##########
@@ -267,6 +267,17 @@ object ScalarSubquery {
case _ => false
}.isDefined
}
+
+ def hasScalarSubquery(e: Expression): Boolean = {
+ e.find {
+ case s: ScalarSubquery => true
+ case _ => false
+ }.isDefined
+ }
+
+ def hasScalarSubquery(e: Seq[Expression]): Boolean = {
+ e.find(hasScalarSubquery(_)).isDefined
Review comment:
@cloud-fan Sure.
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