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  1. Hive
  2. HIVE-11160 Auto-gather column stats
  3. HIVE-18804

StatsUtils.getColStatisticsFromExprMap may only provide info for a column once

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Details

    • Sub-task
    • Status: Patch Available
    • Major
    • Resolution: Unresolved
    • None
    • None
    • Statistics
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    Description

      currently StatsUtils.getColStatisticsFromExprMap may duplicate the datasize by passing the info about the same column more than once

      https://github.com/apache/hive/blob/e8e5ab24616aa834f4966efe3a5f437f6bee4d1d/ql/src/java/org/apache/hadoop/hive/ql/stats/StatsUtils.java#L1529

      Attachments

        1. HIVE-18804.02.patch
          0.9 kB
          Zoltan Haindrich
        2. HIVE-18804.01.patch
          2 kB
          Zoltan Haindrich

        Issue Links

          is related to

          Sub-task - The sub-task of the issue HIVE-18805 Add ConstantPropagate before stats annotation

          • Major - Major loss of function.
          • Closed

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              kgyrtkirk Zoltan Haindrich
              kgyrtkirk Zoltan Haindrich
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              Dates

                Created:
                Updated: