cloud-fan commented on a change in pull request #28575: URL: https://github.com/apache/spark/pull/28575#discussion_r434394688
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala ########## @@ -1372,6 +1376,108 @@ object PushPredicateThroughJoin extends Rule[LogicalPlan] with PredicateHelper { } } +/** + * Rewriting join condition to conjunctive normal form expression so that we can push + * more predicate. + */ +object PushPredicateThroughJoinByCNF extends Rule[LogicalPlan] with PredicateHelper { Review comment: does it apply to all the predicates? like when we pushdown filters to the data source? ---------------------------------------------------------------- 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: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org