Hive
  1. Hive
  2. HIVE-1642

Convert join queries to map-join based on size of table/row

    Details

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

      Description

      Based on the number of rows and size of each table, Hive should automatically be able to convert a join into map-join.

      1. hive_1642_1.patch
        434 kB
        Liyin Tang
      2. hive_1642_2.patch
        770 kB
        Liyin Tang
      3. hive_1642_4.patch
        769 kB
        Liyin Tang
      4. hive-1642_10.patch
        767 kB
        Liyin Tang
      5. hive-1642_11.patch
        767 kB
        Liyin Tang
      6. hive-1642_5.patch
        769 kB
        Liyin Tang
      7. hive-1642_6.patch
        767 kB
        Liyin Tang
      8. hive-1642_7.patch
        767 kB
        Liyin Tang
      9. hive-1642_9.patch
        767 kB
        Liyin Tang

        Activity

        Namit Jain created issue -
        Namit Jain made changes -
        Field Original Value New Value
        Assignee Liyin Tang [ liyin ]
        Liyin Tang made changes -
        Attachment hive_1642_1.patch [ 12459510 ]
        Liyin Tang made changes -
        Attachment hive_1642_2.patch [ 12459711 ]
        Liyin Tang made changes -
        Attachment hive_1642_4.patch [ 12459715 ]
        Liyin Tang made changes -
        Attachment hive-1642_5.patch [ 12459733 ]
        Liyin Tang made changes -
        Attachment hive-1642_5.patch [ 12459733 ]
        Liyin Tang made changes -
        Attachment hive-1642_5.patch [ 12459734 ]
        Liyin Tang made changes -
        Attachment hive-1642_6.patch [ 12459746 ]
        Liyin Tang made changes -
        Attachment hive-1642_7.patch [ 12459753 ]
        Liyin Tang made changes -
        Attachment hive-1642_9.patch [ 12459755 ]
        Liyin Tang made changes -
        Attachment hive-1642_10.patch [ 12459759 ]
        Liyin Tang made changes -
        Attachment hive-1642_11.patch [ 12459760 ]
        Namit Jain made changes -
        Status Open [ 1 ] Resolved [ 5 ]
        Hadoop Flags [Reviewed]
        Resolution Fixed [ 1 ]
        Carl Steinbach made changes -
        Status Resolved [ 5 ] Closed [ 6 ]

          People

          • Assignee:
            Liyin Tang
            Reporter:
            Namit Jain
          • Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development