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https://issues.apache.org/jira/browse/CALCITE-5539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17738288#comment-17738288
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Ruben Q L commented on CALCITE-5539:
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[~jackylau] if I understand correctly, the problem is that
GREATEST/LEAST/COALESCE can be called without parameters? Could you please
provide a unit test showing the issue?
In any case, since this does not seem a regression, we have no PR for this and
we are on the verge of producing 1.35 RC, I'm removing the fixVersion=1.35; we
can continue the discussion for the next release.
> 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: Jacky Lau
> Priority: Major
> Fix For: 1.35.0
>
> 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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