[jira] [Assigned] (HIVE-15495) subquery's column alias can not be the same with partition column name

["Fei Hui (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-15495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fei Hui reassigned HIVE-15495:
------------------------------

    Assignee: Fei Hui

> subquery's column alias can not be the same with partition column name 
> -----------------------------------------------------------------------
>
>                 Key: HIVE-15495
>                 URL: https://issues.apache.org/jira/browse/HIVE-15495
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>    Affects Versions: 1.1.0
>            Reporter: chenyukang
>            Assignee: Fei Hui
>
> case:
> create table testkk5(a string) partitioned by(dt string);
> alter table testkk5 add partition(dt="1");
> hive> select * from (select a as dt from testkk5 where dt="1") t1 where t1.dt="2";
> FAILED: SemanticException [Error 10041]: No partition predicate found for Alias "t1:testkk5" Table "testkk5"
> actually outer query's column `dt` is irrevelent with table `testkk5`'s partition column name 



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