jchen5 commented on code in PR #46902:
URL: https://github.com/apache/spark/pull/46902#discussion_r1641231113
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/subquery.scala:
##########
@@ -274,7 +278,9 @@ object SubExprUtils extends PredicateHelper {
plan match {
case Filter(cond, child) =>
val correlated = AttributeSet(splitConjunctivePredicates(cond)
- .filter(containsOuter) // TODO: can remove this line to allow e.g.
where x = 1 group by x
+ .filter(
+
SQLConf.get.getConf(SQLConf.SCALAR_SUBQUERY_ALLOW_GROUP_BY_COLUMN_EQUAL_TO_CONSTANT)
Review Comment:
Actually the restriction isn't new - it was there before for many years. So
I added the config as per the usual flag any surface area change. Can remove it
if we don't need it though.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
