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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2086) Data loss with external table
Date Mon, 02 May 2011 17:27:03 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ning Zhang updated HIVE-2086:
-----------------------------

    Attachment: create_like.q.out

@Johnathan, there are some tests failing. In particular the newly added test also failed (the
output attached). Can you take a look and see if it is caused by newly committed patches (I've
tested on the lasted trunk). 

> Data loss with external table
> -----------------------------
>
>                 Key: HIVE-2086
>                 URL: https://issues.apache.org/jira/browse/HIVE-2086
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.7.0
>         Environment: Amazon  elastics mapreduce cluster
>            Reporter: Q Long
>            Assignee: Jonathan Natkins
>         Attachments: HIVE-2086.1.patch, HIVE-2086.2.patch, create_like.q.out
>
>
> Data loss when using "create external table like" statement. 
> 1) Set up an external table S, point to location L. Populate data in S.
> 2) Create another external table T, using statement like this:
>     create external table T like S location L
>    Make sure table T point to the same location as the original table S.
> 3) Query table T, see the same set of data in S.
> 4) drop table T.
> 5) Query table S will return nothing, and location L is deleted. 

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