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https://issues.apache.org/jira/browse/CALCITE-6712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xiong duan resolved CALCITE-6712.
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Fix Version/s: 1.39.0
Resolution: Fixed
> FROM_BASE64 and PARSE_URL's return data type should always be nullable
> ----------------------------------------------------------------------
>
> Key: CALCITE-6712
> URL: https://issues.apache.org/jira/browse/CALCITE-6712
> Project: Calcite
> Issue Type: Bug
> Reporter: xiong duan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.39.0
>
>
> The return values of these two functions are related to the specific
> parameter value.
> If the parameter is not nullable, then the return type is still nullable
> {code:java}
> from_base64('-1');
> return null
> parse_url('http://calcite.apache.org/path1/p.phpk1=v1&k2=v2#Ref1','QUERY',
> 'k3');
> return null
> {code}
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