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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2018/02/14 05:14:02 UTC

[jira] [Created] (HIVE-18713) Optimize: Transform IN clauses to = when there's only one element

Gopal V created HIVE-18713:
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             Summary: Optimize: Transform IN clauses to = when there's only one element
                 Key: HIVE-18713
                 URL: https://issues.apache.org/jira/browse/HIVE-18713
             Project: Hive
          Issue Type: Bug
          Components: Vectorization
    Affects Versions: 3.0.0
            Reporter: Gopal V


(col1) IN (col2) can be transformed to (col1) = (col2), to avoid the hash-set implementation.



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