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  1. Hive
  2. HIVE-9215

Some mapjoin queries broken with IdentityProjectRemover with PPD

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • spark-branch, 0.15.0
    • 1.1.0
    • Logical Optimizer
    • None

    Description

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

      Attachments

        1. HIVE-9215.2.patch.txt
          17 kB
          Navis Ryu
        2. HIVE-9215.1.patch.txt
          16 kB
          Navis Ryu
        3. auto_join_ppd.q
          0.4 kB
          Szehon Ho

        Issue Links

          is related to

          Sub-task - The sub-task of the issue HIVE-9007 Hive may generate wrong plan for map join queries due to IdentityProjectRemover [Spark Branch]

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              navis Navis Ryu
              szehon Szehon Ho
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              Dates

                Created:
                Updated:
                Resolved: