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  1. Phoenix
  2. PHOENIX-3390

Custom UDAF for HyperLogLogPlus

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Details

    • New Feature
    • Status: In Progress
    • Minor
    • Resolution: Unresolved
    • None
    • None
    • None
    • None

    Description

      With ref # PHOENIX-2069

      Custome UDAF to aggregate/union of Hyperloglog's of a column and returns a Hyperloglog.

      select hllUnion(col1) from table; //returns a Hyperloglog, which is the union of all hyperloglog's from all rows for column 'col1'

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          is duplicated by

          New Feature - A new feature of the product, which has yet to be developed. PHOENIX-418 Support approximate COUNT DISTINCT

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-1588 Add SQL syntax to allow approximate LIMIT and distinct-COUNT

          • Major - Major loss of function.
          • Open

          Activity

            People

              aertoria Ethan Wang
              talktoswapna@gmail.com Swapna Kasula
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              Dates

                Created:
                Updated: