Uploaded image for project: 'Tajo (Retired)'
  1. Tajo (Retired)
  2. TAJO-1659

Simplify scan iteration in SeqScan

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 0.11.0
    • Physical Operator
    • None

    Description

      SeqScanExec internally uses if-condition branch to perform filter iteration or full-scan iteration on a table. It is possible to cause branch misprediction. Also, this approach makes code messy. This patch introduce an scan iterator to simplify the if-condition branch.

      Attachments

        Issue Links

          is related to

          Sub-task - The sub-task of the issue TAJO-1658 Filter push down to underlying storages

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              hyunsik Hyunsik Choi
              hyunsik Hyunsik Choi
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: