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https://issues.apache.org/jira/browse/CALCITE-5937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17755921#comment-17755921
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xiong duan commented on CALCITE-5937:
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+1. Test in PostgreSQL, If no information in hints, It executes well.
> The parsing error should not be thrown even if there is no Hint in Hint
> Statement
> ---------------------------------------------------------------------------------
>
> Key: CALCITE-5937
> URL: https://issues.apache.org/jira/browse/CALCITE-5937
> Project: Calcite
> Issue Type: Bug
> Reporter: LakeShen
> Priority: Major
> Attachments: image-2023-08-18-17-43-30-254.png
>
>
> Hints are a special kind of SQL comment,so even if there is no Hint in Hint
> Statement,it should not throw the sql parser error.
> Now in the calcite,for the following sql query, it would throw an SQL parsing
> error:
> {code:java}
> select /*+ */ deptno, min(foo) as x from emp {code}
> The exception is :
> !image-2023-08-18-17-43-30-254.png|width=615,height=298!
>
>
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