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  1. Hive
  2. HIVE-326

[hive] groupby count distinct with nulls has some problems

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Duplicate
    • None
    • None
    • Query Processor
    • None

    Description

      select a, count(distinct b) from T group by a;

      had some problems if b is null.

      I will construct the exact testcase and get back

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. HIVE-320 Issuing queries with COUNT(DISTINCT) on a column that may contain null values hits a NPE

          • Blocker - Blocks development and/or testing work, production could not run
          • Closed

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              Unassigned Unassigned
              namit Namit Jain
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              Dates

                Created:
                Updated:
                Resolved: