Uploaded image for project: 'IMPALA'
  1. IMPALA
  2. IMPALA-3602

Implement percentile and percentile_approx statistical functions

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • Impala 2.6.0
    • None
    • Backend

    Description

      We should implement those statistical functions. Hive supports them: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF

      • percentile
      • percentile_approx

      Attachments

        Issue Links

          duplicates

          New Feature - A new feature of the product, which has yet to be developed. IMPALA-4025 add functions PERCENTILE_DISC(), PERCENTILE_CONT(), and MEDIAN()

          • Major - Major loss of function.
          • In Progress
          relates to

          New Feature - A new feature of the product, which has yet to be developed. IMPALA-1766 Misc. statistical functions

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              Unassigned Unassigned
              lv Lars Volker
              Votes:
              3 Vote for this issue
              Watchers:
              13 Start watching this issue

              Dates

                Created:
                Updated: