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Dongjoon Hyun commented on SPARK-28344: --------------------------------------- Hi, [~cloud_fan]. This improvement prevents the correctness issues. So, I switched this to `Bug` . Could you make a backport this to `branch-2.4`? > fail the query if detect ambiguous self join > -------------------------------------------- > > Key: SPARK-28344 > URL: https://issues.apache.org/jira/browse/SPARK-28344 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.3.4, 2.4.4, 3.0.0 > Reporter: Wenchen Fan > Assignee: Wenchen Fan > Priority: Major > Labels: correctness > Fix For: 3.0.0 > > -- 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