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https://issues.apache.org/jira/browse/CALCITE-4757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-4757.
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Resolution: Fixed
Fixed in
[ab45dc09|https://github.com/apache/calcite-avatica/commit/ab45dc0946cdeb2f485252eb2aa1bec4eb644956];
thanks for the PR, [~nobigo]!
> In Avatica, support columns of type "NULL" in query results
> -----------------------------------------------------------
>
> Key: CALCITE-4757
> URL: https://issues.apache.org/jira/browse/CALCITE-4757
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Affects Versions: avatica-1.18.0
> Reporter: duan xiong
> Assignee: duan xiong
> Priority: Major
> Fix For: avatica-1.19.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When I run:
> {code:java}
> select * from (values(null,true))
> {code}
> Caused by: java.lang.RuntimeException: unknown type 0.
> Looks like AvaticaSite can't handle Types.NULL.
>
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