[jira] [Updated] (HIVE-14590) CBO (Calcite Return Path) Incorrect result set when limit is present in one of the union branches

[Ashutosh Chauhan (JIRA)]

     [ 
https://issues.apache.org/jira/browse/HIVE-14590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ashutosh Chauhan updated HIVE-14590:
------------------------------------
    Attachment: HIVE-14590.patch

Fixes union_null.q wrong results.
cc: [~vgarg]

> CBO (Calcite Return Path) Incorrect result set when limit is present in one 
> of the union branches
> -------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-14590
>                 URL: https://issues.apache.org/jira/browse/HIVE-14590
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Logical Optimizer
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-14590.patch
>
>
> Limit gets propagated outside union. 



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