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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21768) JDBC: Strip the default union prefix for un-enclosed UNION queries
Date Tue, 28 May 2019 22:09:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-21768:
---------------------------
       Resolution: Fixed
    Fix Version/s: 4.0.0
           Status: Resolved  (was: Patch Available)

> JDBC: Strip the default union prefix for un-enclosed UNION queries
> ------------------------------------------------------------------
>
>                 Key: HIVE-21768
>                 URL: https://issues.apache.org/jira/browse/HIVE-21768
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 4.0.0, 3.1.1
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-21768.1.patch, HIVE-21768.2.patch, HIVE-21768.3.patch, HIVE-21768.4.patch
>
>
> {code}
> beeline> select 1  union all select 2;
> +----------+
> | _u1._c0  |
> +----------+
> | 2        |
> | 1        |
> +----------+
> {code}
> The _u1 is superfluous and harmful to result schema parsing.



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