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Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2018/10/29 23:51:02 UTC

[jira] [Resolved] (HIVE-17042) Expose NOT NULL constraint in optimizer so constant folding can take advantage of it

     [ https://issues.apache.org/jira/browse/HIVE-17042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vineet Garg resolved HIVE-17042.
--------------------------------
    Resolution: Fixed

Fixed in HIVE-17043

> Expose NOT NULL constraint in optimizer so constant folding can take advantage of it
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-17042
>                 URL: https://issues.apache.org/jira/browse/HIVE-17042
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Logical Optimizer
>    Affects Versions: 3.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Priority: Major
>
> We need to set the type to be not nullable for those columns.
> Among others, it would be useful to simplify IS NOT NULL, NVL, and COALESCE predicates.



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