Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-474

Support for distinct selection on two or more columns

    Details

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

      Description

      The ability to select distinct several, individual columns as by example:

      select count(distinct user), count(distinct session) from actions;

      Currently returns the following failure:

      FAILED: Error in semantic analysis: line 2:7 DISTINCT on Different Columns not Supported user

        Attachments

        1. hive-474.0.4.2rc.patch
          258 kB
          Mafish
        2. patch-474.txt
          294 kB
          Amareshwari Sriramadasu
        3. patch-474-1.txt
          296 kB
          Amareshwari Sriramadasu
        4. patch-474-2.txt
          254 kB
          Amareshwari Sriramadasu
        5. patch-474-3.txt
          254 kB
          Amareshwari Sriramadasu

          Issue Links

            Activity

              People

              • Assignee:
                amareshwari Amareshwari Sriramadasu
                Reporter:
                akaalias Alexis Rondeau
              • Votes:
                3 Vote for this issue
                Watchers:
                12 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: