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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12029) CTAS query can not use `_c` in the prefix of the column alias
Date Mon, 05 Oct 2015 06:30:26 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-12029:
-----------------------------------
    Attachment: HIVE-12029.01.patch

> CTAS query can not use `_c` in the prefix of the column alias
> -------------------------------------------------------------
>
>                 Key: HIVE-12029
>                 URL: https://issues.apache.org/jira/browse/HIVE-12029
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-12029.01.patch
>
>
> The inconsistency sounds like a bug 
> {code}
> hive> create table t as select key as `_k1` from src;
> hive> desc t;
> OK
> _k1                 string
> Time taken: 0.037 seconds, Fetched: 1 row(s)
> hive> create table t as select key as `_c1` from src;
> hive> desc t;
> OK
> key                 string
> Time taken: 0.031 seconds, Fetched: 1 row(s)
> {code}



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