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https://issues.apache.org/jira/browse/CALCITE-5909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17753423#comment-17753423
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Julian Hyde commented on CALCITE-5909:
--------------------------------------

Thanks for your detective work, [~taoran]. It sounds very plausible that we 
simply stopped running {{SqlParserTest}} directly, and only run its sub-classes.

The reason we do not run this test in sub-classes is that sub-classes will 
correspond to a different parser, which may legitimately have a different set 
of keywords.

I think the solution is to move the {{testNoUnintendedNewReservedKeywords}} 
method from {{SqlParserTest}} to {{CoreParserTest}}. You should still prevent 
it from running in sub-classes.

> Sometimes SqlParserTest.testNoUnintendedNewReservedKeywords fails in the IDE 
> but passes when run from the command line
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-5909
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5909
>             Project: Calcite
>          Issue Type: Bug
>          Components: tests
>            Reporter: LakeShen
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: image-2023-08-08-23-32-55-466.png
>
>
> When I run the SqlParserTest,the testNoUnintendedNewReservedKeywords method 
> failed,the exception like this:
> {code:java}
> java.lang.AssertionError: The parser has at least one new reserved keyword. 
> Are you sure it should be reserved? Difference: {code}
> The picture like this:
> !image-2023-08-08-23-32-55-466.png|width=1543,height=496!
> I could fix this problem.More importantly, why is this method failing, but 
> the Calcite pipeline is passing? I think we should look at something we missed



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