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https://issues.apache.org/jira/browse/HIVE-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022270#comment-13022270
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Ning Zhang commented on HIVE-2086:
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+1. Will commit if tests pass.
> 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
>
>
> 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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