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Posted to issues@hive.apache.org by "Remus Rusanu (JIRA)" <ji...@apache.org> on 2017/02/02 09:52:51 UTC

[jira] [Assigned] (HIVE-13805) Extend HiveSortLimitPullUpConstantsRule to pull up constants even when SortLimit is the root of the plan

     [ https://issues.apache.org/jira/browse/HIVE-13805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remus Rusanu reassigned HIVE-13805:
-----------------------------------

    Assignee: Remus Rusanu  (was: Jesus Camacho Rodriguez)

> Extend HiveSortLimitPullUpConstantsRule to pull up constants even when SortLimit is the root of the plan
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-13805
>                 URL: https://issues.apache.org/jira/browse/HIVE-13805
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Remus Rusanu
>
> Follow-up of HIVE-13068.
> Limitation in the original HiveSortLimitPullUpConstantsRule rule.
> Currently Calcite rule does not pull-up constants when the Sort/Limit operator is on top of the operator tree, as this was causing Hive limit related optimizations to not kick in.



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