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https://issues.apache.org/jira/browse/FLINK-40488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18120137#comment-18120137
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dylanhz commented on FLINK-40488:
---------------------------------

Hi [~raminqaf], just following up on my PR comment: does UUID constant folding 
in Calcite use the same ordering as Flink’s runtime comparison?
 

> Comparison and ordering for UUID
> --------------------------------
>
>                 Key: FLINK-40488
>                 URL: https://issues.apache.org/jira/browse/FLINK-40488
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / API
>            Reporter: Ramin Gharib
>            Assignee: Ramin Gharib
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.4.0
>
>
> Scope:
> - =, <>, <, >, <=, >=, plus ORDER BY, GROUP BY and join keys
> - ordering is unsigned big-endian byte comparison
> Verifying: comparison and sort tests, including as a grouping and join key.
> Depends on FLINK-40486



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