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https://issues.apache.org/jira/browse/CALCITE-7695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Budiu updated CALCITE-7695:
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Description: Type inference for the entire family of functions COVAR and
REGR does not look at the nullability of the second argument. (was: COVAR_POP
may produce NULL even when the input set is not empty.
For non-nullable arguments and GROUP BY the result type is incorrectly inferred
as not nullable.
Moreover, the type inference for the entire family of functions COVAR and REGR
does not look at the nullability of the second argument.)
> COVAR and REGR aggregate results should be nullable if either argument is
> nullable
> ----------------------------------------------------------------------------------
>
> Key: CALCITE-7695
> URL: https://issues.apache.org/jira/browse/CALCITE-7695
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.42.0
> Reporter: Mihai Budiu
> Assignee: Mihai Budiu
> Priority: Minor
>
> Type inference for the entire family of functions COVAR and REGR does not
> look at the nullability of the second argument.
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