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Posted to issues@impala.apache.org by "Steve Carlin (Jira)" <ji...@apache.org> on 2025/07/17 19:58:00 UTC

[jira] [Created] (IMPALA-14235) Calcite planner: Investigate filter selectivity for join non nulls

Steve Carlin created IMPALA-14235:
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             Summary: Calcite planner: Investigate filter selectivity for join non nulls
                 Key: IMPALA-14235
                 URL: https://issues.apache.org/jira/browse/IMPALA-14235
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: Steve Carlin


There is a TODO: in the FilterSelectivityEstimator.computeIsNotNullSelectivity method.  We should do some investigation to see if we can do better with the filter selectivity estimation here



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