Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-4639

Add has null flag to ORC internal index

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.1.0
    • Component/s: File Formats
    • Labels:
      None
    • Release Note:
      Support for hasNull flag in ORC row group index.

      Description

      It would enable more predicate pushdown if we added a flag to the index entry recording if there were any null values in the column for the 10k rows.

        Attachments

        1. HIVE-4639.1.patch
          147 kB
          Prasanth Jayachandran
        2. HIVE-4639.2.patch
          273 kB
          Prasanth Jayachandran
        3. HIVE-4639.3.patch
          284 kB
          Prasanth Jayachandran

          Issue Links

            Activity

              People

              • Assignee:
                prasanth_j Prasanth Jayachandran
                Reporter:
                owen.omalley Owen O'Malley
              • Votes:
                0 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: