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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12011) unable to create temporary table using CTAS if regular table with that name already exists
Date Thu, 01 Oct 2015 22:48:26 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-12011:
-----------------------------------
    Attachment: HIVE-12011.01.patch

> unable to create temporary table using CTAS if regular table with that name already exists
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-12011
>                 URL: https://issues.apache.org/jira/browse/HIVE-12011
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-12011.01.patch
>
>
> CTAS temporary table query fails if regular table with the same name already exists.

> Steps to reproduce the issue:
> {noformat}
> hive> use dbtemptable;
> OK
> Time taken: 0.273 seconds
> hive> create table a(i int);
> OK
> Time taken: 0.297 seconds
> hive> create temporary table a(i int);
> OK
> Time taken: 0.165 seconds
> hive> create table b(i int);
> OK
> Time taken: 0.212 seconds
> hive> create temporary table b as select * from a;
> FAILED: SemanticException org.apache.hadoop.hive.ql.parse.SemanticException: Table already
exists: dbtemptable.b
> hive> create table c(i int);
> OK
> Time taken: 0.264 seconds
> hive> create temporary table b as select * from c;
> FAILED: SemanticException org.apache.hadoop.hive.ql.parse.SemanticException: Table already
exists: dbtemptable.b
> {noformat}



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