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Posted to issues@spark.apache.org by "Gengliang Wang (JIRA)" <ji...@apache.org> on 2017/11/27 12:40:00 UTC

[jira] [Created] (SPARK-22615) Handle more cases in PropagateEmptyRelation

Gengliang Wang created SPARK-22615:
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             Summary: Handle more cases in PropagateEmptyRelation 
                 Key: SPARK-22615
                 URL: https://issues.apache.org/jira/browse/SPARK-22615
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.2.0
            Reporter: Gengliang Wang


Currently, in the optimize rule `PropagateEmptyRelation`, the following cases is not handled:
1. right child is empty relation in left outer join
2. left child in right outer join
3. right child is empty relation in left semi join
4. right child is empty relation in left anti join 



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