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Posted to issues@flink.apache.org by "Aleksandr Blatov (JIRA)" <ji...@apache.org> on 2018/08/27 08:32:00 UTC

[jira] [Assigned] (FLINK-4262) Consider null handling during sorting

     [ https://issues.apache.org/jira/browse/FLINK-4262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksandr Blatov reassigned FLINK-4262:
---------------------------------------

    Assignee: Aleksandr Blatov

> Consider null handling during sorting
> -------------------------------------
>
>                 Key: FLINK-4262
>                 URL: https://issues.apache.org/jira/browse/FLINK-4262
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API &amp; SQL
>            Reporter: Timo Walther
>            Assignee: Aleksandr Blatov
>            Priority: Minor
>
> Calcite's SQL parser allows to specify how to handle NULLs during sorting.
> {code}
> orderItem:
>       expression [ ASC | DESC ] [ NULLS FIRST | NULLS LAST ]
> {code}
> Currently, the NULL FIRST/NULLS LAST is completely ignored but might be helpful.



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