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Posted to dev@hive.apache.org by "Szehon Ho (JIRA)" <ji...@apache.org> on 2014/12/24 22:30:13 UTC

[jira] [Created] (HIVE-9215) Some mapjoin queries broken with IdentityProjectRemover with PPD

Szehon Ho created HIVE-9215:
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             Summary: Some mapjoin queries broken with IdentityProjectRemover with PPD
                 Key: HIVE-9215
                 URL: https://issues.apache.org/jira/browse/HIVE-9215
             Project: Hive
          Issue Type: Bug
          Components: Logical Optimizer
    Affects Versions: 0.15.0
            Reporter: Szehon Ho


IdentityProjectRemover (hive.optimize.remove.identity.project) with PPD will sometimes make mapjoin query that returns the wrong result in MR case as well.



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