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  1. Hive
  2. HIVE-19770

Support for CBO for queries with multiple same columns in select

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.0.0
    • Component/s: None
    • Labels:
      None
    • Target Version/s:

      Description

      Currently queries such as

       select a,a from t1 where b > 10 

      are not supported for CBO.

        Attachments

        1. HIVE-19770.1.patch
          337 kB
          Vineet Garg
        2. HIVE-19770.2.patch
          376 kB
          Vineet Garg
        3. HIVE-19770.3.patch
          396 kB
          Vineet Garg
        4. HIVE-19770.4.patch
          448 kB
          Vineet Garg
        5. HIVE-19770.5.patch
          449 kB
          Vineet Garg
        6. HIVE-19770.6.patch
          402 kB
          Vineet Garg
        7. HIVE-19770.7.patch
          400 kB
          Vineet Garg
        8. HIVE-19770.8.patch
          402 kB
          Vineet Garg

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              • Assignee:
                vgarg Vineet Garg
                Reporter:
                vgarg Vineet Garg
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                Dates

                • Created:
                  Updated:
                  Resolved: