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https://issues.apache.org/jira/browse/CALCITE-5539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17692139#comment-17692139
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Sergey Nuyanzin commented on CALCITE-5539:
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it's much better to provide links to source code than screenshots since with
screenshots it is hard to do navigation.
Before fixing something there should be expectations on that fix e.g. some
passing cases which are not passing before the fix is applied.
I'm asking for such cases or even better a test implementing such case. Thus
everyone could verify if the issue is fixed or not.
> GREATEST/LEAST/COALESCE OperandTypes is not correct, which should use
> AT_LEAST_ONE_SAME_VARIADIC like array_concat
> ------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-5539
> URL: https://issues.apache.org/jira/browse/CALCITE-5539
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.34.0
> Reporter: jackylau
> Priority: Major
> Fix For: 1.34.0
>
> Attachments: image-2023-02-22-18-59-50-951.png,
> image-2023-02-22-19-24-46-574.png
>
>
> i found it is not correct. and SAME_VARIADIC is developped in 2014, which
> may not fixed.
>
> !image-2023-02-22-18-59-50-951.png!
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