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Posted to dev@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2014/09/09 02:14:28 UTC

[jira] [Created] (HIVE-8025) [CBO] Handle null-safe joins

Ashutosh Chauhan created HIVE-8025:
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             Summary: [CBO] Handle null-safe joins
                 Key: HIVE-8025
                 URL: https://issues.apache.org/jira/browse/HIVE-8025
             Project: Hive
          Issue Type: Bug
          Components: CBO
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan


We will not optimize query containing NS join expression because our join reordering algo cant optimize such joins.



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