Hive
  1. Hive
  2. HIVE-1743

Group-by to determine equals of Keys in reverse order

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.7.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      When processing group-by, in reduce side, keys are ordered. Comparing equality of two keys can be more efficient in reverse order.

        Activity

        Siying Dong created issue -
        Hide
        Siying Dong added a comment -

        Use revers order to compare list of keys. Also a couple of minor bugs in GenericUDF OP codes.

        Show
        Siying Dong added a comment - Use revers order to compare list of keys. Also a couple of minor bugs in GenericUDF OP codes.
        Siying Dong made changes -
        Field Original Value New Value
        Attachment HIVE-1743.1.patch [ 12459123 ]
        Siying Dong made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Hide
        Namit Jain added a comment -

        +1

        running tests

        Show
        Namit Jain added a comment - +1 running tests
        Hide
        Namit Jain added a comment -

        Committed. Thanks Siying

        Show
        Namit Jain added a comment - Committed. Thanks Siying
        Namit Jain made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Hadoop Flags [Reviewed]
        Fix Version/s 0.7.0 [ 12315150 ]
        Resolution Fixed [ 1 ]
        Carl Steinbach made changes -
        Status Resolved [ 5 ] Closed [ 6 ]
        Transition Time In Source Status Execution Times Last Executer Last Execution Date
        Open Open Patch Available Patch Available
        18d 7h 12m 1 Siying Dong 10/Nov/10 04:51
        Patch Available Patch Available Resolved Resolved
        23h 31m 1 Namit Jain 11/Nov/10 04:22
        Resolved Resolved Closed Closed
        400d 19h 36m 1 Carl Steinbach 16/Dec/11 23:59

          People

          • Assignee:
            Siying Dong
            Reporter:
            Siying Dong
          • Votes:
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            Watchers:
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            Dates

            • Created:
              Updated:
              Resolved:

              Development