Uploaded image for project: 'IMPALA'
  1. IMPALA
  2. IMPALA-10869

Extend min/max filter for inequality subquery for other use cases

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • None
    • None
    • None
    • None
    • ghx-label-12

    Description

      Min/max filtering for inequality scalar subqueries have been addressed in the patch for IMPALA-3040. It is desirable to extend the work for other use cases as follows.

      1. When the subquery returns more than one row;
      2. When the subquery returns one row through: a) 1 row through a limit clause, b) one group only.

      Attachments

        Issue Links

          Activity

            People

              Unassigned Unassigned
              sql_forever Qifan Chen
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated: