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Posted to issues@flink.apache.org by "godfrey he (Jira)" <ji...@apache.org> on 2020/07/27 12:28:00 UTC

[jira] [Commented] (FLINK-18731) The monotonicity of UNIX_TIMESTAMP function is not correct

    [ https://issues.apache.org/jira/browse/FLINK-18731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165671#comment-17165671 ] 

godfrey he commented on FLINK-18731:
------------------------------------

I would like to fix this

> The monotonicity of UNIX_TIMESTAMP function is not correct
> ----------------------------------------------------------
>
>                 Key: FLINK-18731
>                 URL: https://issues.apache.org/jira/browse/FLINK-18731
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>            Reporter: godfrey he
>            Priority: Major
>             Fix For: 1.12.0
>
>
> Currently, the monotonicity of {{UNIX_TIMESTAMP}} function is always {{INCREASING}}, actually, when it has empty function arguments ({{UNIX_TIMESTAMP()}}, is equivalent to {{NOW()}}), its monotonicity is INCREASING. otherwise its monotonicity should be NOT_MONOTONIC. (e.g. UNIX_TIMESTAMP(string))



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