Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-35260 DataSourceV2 Function Catalog implementation
  3. SPARK-35361

Improve performance for ApplyFunctionExpression

    XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 3.2.0
    • 3.2.0
    • SQL
    • None

    Description

      When the `ScalarFunction` itself is trivial, `ApplyFunctionExpression` could incur significant runtime cost with `zipWithIndex` call. This proposes to move the call outside the loop over each input row.

      Attachments

        Activity

          People

            csun Chao Sun
            csun Chao Sun
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: