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  1. Calcite
  2. CALCITE-1587

Druid adapter: topN returns approximate results

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.11.0
    • 1.12.0
    • druid-adapter
    • None

    Description

      Currently, we convert to topN queries. However, metrics returned by Druid will be approximate values. Thus, probably we should not convert to Druid topN queries and rather always use Druid groupBy.

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          is related 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
          relates to

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-1670 Count distinct on druid is translated to Cardinality aggregator which is approximate

          • Major - Major loss of function.
          • Open

          New Feature - A new feature of the product, which has yet to be developed. CALCITE-1787 thetaSketch Support for Druid Adapter

          • Major - Major loss of function.
          • Closed

          Activity

            People

              julianhyde Julian Hyde
              jcamacho Jesús Camacho Rodríguez
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                Updated:
                Resolved: