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https://issues.apache.org/jira/browse/CALCITE-1969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1969.
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Resolution: Fixed
Fix Version/s: 1.14.0
Fixed in http://git-wip-us.apache.org/repos/asf/calcite/commit/b2bf1ca0.
> Annotate user-defined functions as strict and semi-strict
> ---------------------------------------------------------
>
> Key: CALCITE-1969
> URL: https://issues.apache.org/jira/browse/CALCITE-1969
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.14.0
>
>
> Annotate user-defined functions as strict and semi-strict.
> Definitions:
> * A strict function returns null if and only if one or more of its arguments
> are null.
> * A semi-strict function returns null if one or more of its arguments are
> null.
> The code generator should use these annotations to generate more efficient
> code.
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