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Apache Spark commented on SPARK-32129: -------------------------------------- User 'LantaoJin' has created a pull request for this issue: https://github.com/apache/spark/pull/28947 > Support AQE skew join with Union > -------------------------------- > > Key: SPARK-32129 > URL: https://issues.apache.org/jira/browse/SPARK-32129 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.0.0, 3.1.0 > Reporter: Lantao Jin > Priority: Major > > Current, the AQE skew join only supports two tables join such as > {code} > SMJ > :-Sort > : +-Shuffle > +-Sort > +-Shuffle > {code} > But if the plan contains a Union, the skew join handling not work: > {code} > Union > :-SMJ > : :-Sort > : : +-Shuffle > : +-Sort > : +-Shuffle > +-SMJ > : :-Sort > : : +-Shuffle > : +-Sort > +-Shuffle > {code} -- 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