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  1. Hive
  2. HIVE-4246

Implement predicate pushdown for ORC

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.12.0
    • Component/s: File Formats
    • Labels:
      None

      Description

      By using the push down predicates from the table scan operator, ORC can skip over 10,000 rows at a time that won't satisfy the predicate. This will help a lot, especially if the file is sorted by the column that is used in the predicate.

        Attachments

        1. HIVE-4246.D11415.1.patch
          119 kB
          Phabricator
        2. HIVE-4246.D11415.2.patch
          119 kB
          Phabricator
        3. HIVE-4246.D11415.3.patch
          124 kB
          Phabricator
        4. HIVE-4246.D11415.3.patch
          124 kB
          Phabricator
        5. HIVE-4246.D11415.4.patch
          178 kB
          Phabricator
        6. HIVE-4246.D11415.5.patch
          178 kB
          Phabricator
        7. HIVE-4246.D11415.6.patch
          178 kB
          Phabricator

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              • Assignee:
                owen.omalley Owen O'Malley
                Reporter:
                owen.omalley Owen O'Malley
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                • Created:
                  Updated:
                  Resolved: