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https://issues.apache.org/jira/browse/FLINK-21911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17306071#comment-17306071
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Jark Wu commented on FLINK-21911:
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This can be supported by {{IF(a > b, a, b)}} for now.
If we want to introduce such method, I would suggest to come up with another
method name, because it might be confusing with the MIN/MAX agg function.
> Support arithmetic MIN/MAX in SQL
> ---------------------------------
>
> Key: FLINK-21911
> URL: https://issues.apache.org/jira/browse/FLINK-21911
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Timo Walther
> Priority: Major
>
> We should discuss if we want to support math MIN / MAX in Flink SQL. It seems
> also other vendors do not support it out of the box:
> [https://stackoverflow.com/questions/124417/is-there-a-max-function-in-sql-server-that-takes-two-values-like-math-max-in-ne]
> But it might be quite useful and a common operation in JVM languages.
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