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  1. IMPALA
  2. IMPALA-10766

Better selectivity for = (equals)

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    Details

    • Type: Improvement
    • Status: In Progress
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: Impala 3.4.0
    • Fix Version/s: None
    • Component/s: Frontend
    • Labels:
      None
    • Epic Color:
      ghx-label-4

      Description

      When calculating the selectivity of =, the null value is not considered. For =, the null values are always false

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              • Assignee:
                liuyao liuyao
                Reporter:
                liuyao liuyao
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                • Created:
                  Updated: