huaxingao commented on code in PR #36303:
URL: https://github.com/apache/spark/pull/36303#discussion_r855641933
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SchemaPruning.scala:
##########
@@ -152,6 +152,10 @@ object SchemaPruning extends SQLConfHelper {
RootField(field, derivedFromAtt = false, prunedIfAnyChildAccessed =
true) :: Nil
case IsNotNull(_: Attribute) | IsNull(_: Attribute) =>
expr.children.flatMap(getRootFields).map(_.copy(prunedIfAnyChildAccessed =
true))
+ case s: SubqueryExpression =>
Review Comment:
This change looks reasonable to me. I am not aware of cases when this will
not work. Let's wait for feedback from others.
--
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]
