Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-20490

UDAF: Add an 'approx_distinct' to Hive

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 4.0.0
    • 4.0.0-alpha-1
    • UDF
    • None
    • TODOC

    Description

      This gives a direct pathway to call the equivalent of Hive's default compute_stats() UDAF which computes a HyperLogLog bitVector + approx distinct on a column.

      Attachments

        1. HIVE-20490.1.patch
          35 kB
          Gopal Vijayaraghavan
        2. HIVE-20490.2.patch
          36 kB
          Gopal Vijayaraghavan
        3. HIVE-20490.2.patch
          36 kB
          Gopal Vijayaraghavan

        Issue Links

          supercedes

          New Feature - A new feature of the product, which has yet to be developed. HIVE-7402 add `approx_distinct` & composable nDV UDAFs

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              gopalv Gopal Vijayaraghavan
              gopalv Gopal Vijayaraghavan
              Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: