beliefer commented on a change in pull request #27058: [SPARK-30395][SQL] When 
one or more DISTINCT aggregate expressions operate on the same field, the 
DISTINCT aggregate expression allows the use of the FILTER clause
URL: https://github.com/apache/spark/pull/27058#discussion_r364572185
 
 

 ##########
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RewriteDistinctAggregates.scala
 ##########
 @@ -317,7 +363,74 @@ object RewriteDistinctAggregates extends 
Rule[LogicalPlan] {
       }
       Aggregate(groupByAttrs, patchedAggExpressions, firstAggregate)
     } else {
 
 Review comment:
   I know what you mean now.
   But this PR used to implement distinct aggregate with filter.
   If only non distinct aggregate with filter, `RewriteDistinctAggregates` will 
do nothing.
   So I should check distinct aggregate if has filter.

----------------------------------------------------------------
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


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to