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  1. Hive
  2. HIVE-9215

Some mapjoin queries broken with IdentityProjectRemover with PPD

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: spark-branch, 0.15.0
    • Fix Version/s: 1.1.0
    • Component/s: Logical Optimizer
    • Labels:
      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. auto_join_ppd.q
          0.4 kB
          Szehon Ho
        2. HIVE-9215.1.patch.txt
          16 kB
          Navis Ryu
        3. HIVE-9215.2.patch.txt
          17 kB
          Navis Ryu

          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

              • Assignee:
                navis Navis Ryu
                Reporter:
                szehon Szehon Ho
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                Dates

                • Created:
                  Updated:
                  Resolved: