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Posted to issues-all@impala.apache.org by "Steve Carlin (Jira)" <ji...@apache.org> on 2026/07/10 23:17:00 UTC

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

     [ https://issues.apache.org/jira/browse/IMPALA-14235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Carlin updated IMPALA-14235:
----------------------------------
    Epic Link: IMPALA-15133

> 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: Bug
>            Reporter: Steve Carlin
>            Priority: Major
>
> 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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