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https://issues.apache.org/jira/browse/CALCITE-6707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Budiu reassigned CALCITE-6707:
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Assignee: Mihai Budiu
> Type inference for CHR function is wrong
> ----------------------------------------
>
> Key: CALCITE-6707
> URL: https://issues.apache.org/jira/browse/CALCITE-6707
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.38.0
> Reporter: Mihai Budiu
> Assignee: Mihai Budiu
> Priority: Minor
> Labels: pull-request-available
>
> The return type of CHR is always CHAR(1), and never nullable.
> However, if the argument of CHR is nullable, the result should be nullable as
> well.
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