mcdull_zhang created SPARK-37652: ------------------------------------ Summary: Support optimize skewed join through union Key: SPARK-37652 URL: https://issues.apache.org/jira/browse/SPARK-37652 Project: Spark Issue Type: Sub-task Components: SQL Affects Versions: 3.2.0 Reporter: mcdull_zhang
`OptimizeSkewedJoin` rule will take effect only when the plan has two ShuffleQueryStageExec。 With `Union`, it might break the assumption. For example, the following plans {panel:title=scenes1:} Union SMJ SMJ {panel} -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org