cloud-fan 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_r345052924
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/subquery.scala ########## @@ -171,6 +173,68 @@ case class InSubqueryExec( } } +/** + * The physical node of exists-subquery. This is for support use exists in join's on condition, Review comment: We can just say `The physical node for non-correlated EXISTS subquery.` This is pretty general and not only for join conditions ---------------------------------------------------------------- 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]
