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Apache Spark commented on SPARK-33964: -------------------------------------- User 'tanelk' has created a pull request for this issue: https://github.com/apache/spark/pull/30996 > Combine distinct unions in more cases > ------------------------------------- > > Key: SPARK-33964 > URL: https://issues.apache.org/jira/browse/SPARK-33964 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.2.0 > Reporter: Tanel Kiis > Priority: Major > > In several TPCDS queries the CombineUnions rule does not manage to combine > unions, because they have noop Projects between them. > The Projects will be removed by RemoveNoopOperators, but by then > ReplaceDistinctWithAggregate has been applied and there are aggregates > between the unions. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org