Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-15300

Reuse table information in SemanticAnalyzer::getMetaData to reduce compilation time

    XMLWordPrintableJSON

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.0.0
    • Component/s: Parser
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      E.g Q88 in tpc-ds takes lots of time to compile and it ends up getting the table details for the same table repeatedly. It took 20+seconds to compile the query.

      It would be good to reuse the table information in SemanticAnalyzer::getMetadata.

        Attachments

        1. HIVE-15300.5.patch
          2 kB
          Rajesh Balamohan
        2. HIVE-15300.4.patch
          2 kB
          Rajesh Balamohan
        3. HIVE-15300.3.patch
          0.9 kB
          Rajesh Balamohan
        4. HIVE-15300.2.patch
          0.8 kB
          Rajesh Balamohan
        5. HIVE-15300.1.patch
          0.8 kB
          Rajesh Balamohan

          Activity

            People

            • Assignee:
              rajesh.balamohan Rajesh Balamohan
              Reporter:
              rajesh.balamohan Rajesh Balamohan
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: