HyukjinKwon commented on code in PR #45412:
URL: https://github.com/apache/spark/pull/45412#discussion_r1515285320
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3509,6 +3509,17 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val WRAP_EXISTS_IN_AGGREGATE_FUNCTION =
+ buildConf("spark.sql.optimizer.wrapExistsInAggregateFunction")
+ .internal()
+ .doc("When true, the optimizer will wrap newly introduced `exists`
attributes in an" +
+ "aggregate function to ensure that Aggregate nodes preserve semantic
invariant that each" +
+ "variable among agg expressions appears either in grouping expressions
or belongs to" +
+ "and aggregate function.")
+ .version("3.5.0")
Review Comment:
3.5.2 or 4.0.0
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