liuyao created IMPALA-10766:
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Summary: Better selectivity for = (equals)
Key: IMPALA-10766
URL: https://issues.apache.org/jira/browse/IMPALA-10766
Project: IMPALA
Issue Type: Improvement
Components: Frontend
Affects Versions: Impala 4.0
Reporter: liuyao
Assignee: liuyao
When calculating the selectivity of =, the null value is not considered. For =,
the null values are always false
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