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