AngersZhuuuu commented on a change in pull request #26437: [SPARK-29800][SQL] Plan non-correlated Exists 's subquery in PlanSubqueries URL: https://github.com/apache/spark/pull/26437#discussion_r344656934
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/subquery.scala ########## @@ -171,6 +173,82 @@ case class InSubqueryExec( } } +/** + * The physical node of exists-subquery. This is for support use exists in join's on condition, + * since some join type we can't pushdown exists condition, we plan it here + */ +case class ExistsExec(child: Expression, Review comment: > nit: > > ``` > case class A( > para1: T, > para2: T): R ... > ``` Done ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
