Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/12820#discussion_r61688481
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/subquery.scala
---
@@ -105,6 +105,13 @@ object PredicateSubquery {
case _ => false
}.isDefined
}
+ def hasNullAwarePredicate(e: Expression): Boolean = {
+ e.find(_.isInstanceOf[Not]).isDefined &&
--- End diff --
You are looking for a NOT expression with a nested NULL-aware predicate
here right? This will also find other results e.g.: an OR with an NOT on the
left hand side and a NULL-aware predicate on the right hand.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
