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

        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
        Carl Steinbach made changes -
        Status Resolved [ 5 ] Closed [ 6 ]
        Namit Jain made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Hadoop Flags [Reviewed]
        Fix Version/s 0.7.0 [ 12315150 ]
        Resolution Fixed [ 1 ]
        Hide
        Namit Jain added a comment -

        Committed. Thanks Siying

        Show
        Namit Jain added a comment - Committed. Thanks Siying
        Hide
        Namit Jain added a comment -

        +1

        running tests

        Show
        Namit Jain added a comment - +1 running tests
        Siying Dong made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Siying Dong made changes -
        Field Original Value New Value
        Attachment HIVE-1743.1.patch [ 12459123 ]
        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 created issue -

          People

          • Assignee:
            Siying Dong
            Reporter:
            Siying Dong
          • Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development