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From "Kai Zhang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2888) Creating an external table using the 'LIKE' clause actually creates a managed table.
Date Thu, 12 Apr 2012 04:08:29 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252183#comment-13252183
] 

Kai Zhang commented on HIVE-2888:
---------------------------------

This has been fixed in HIVE-2086.
                
> Creating an external table using the 'LIKE' clause actually creates a managed table.
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-2888
>                 URL: https://issues.apache.org/jira/browse/HIVE-2888
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.7.1
>            Reporter: Craig Swift
>   Original Estimate: 12h
>  Remaining Estimate: 12h
>
> When creating a new table with both the EXTERNAL and LIKE clauses, the new table does
not behave as an EXTERNAL table thus resulting in potential data loss.
> Example:
> create external table test1 (VAL string) location '/user/craig/test1';
> create external table test2 like test1 location '/user/craig/test2';
> drop table test1;
> /user/craig/test1 - still exists
> drop table test2;
> /user/craig/test2 - is deleted (bad)
> If I do an extended describe on both tables, test1 shows up as being external while test2
is a managed table.

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