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From "Q Long (JIRA)" <>
Subject [jira] [Created] (HIVE-2086) Data loss with external table
Date Thu, 31 Mar 2011 18:06:05 GMT
Data loss with external table

                 Key: HIVE-2086
             Project: Hive
          Issue Type: Bug
          Components: Metastore
    Affects Versions: 0.7.0
         Environment: Amazon  elastics mapreduce cluster
            Reporter: Q Long

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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