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Posted to dev@hive.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/07/21 21:54:58 UTC
[jira] [Commented] (HIVE-2086) Add test coverage for external table
data loss issue
[ https://issues.apache.org/jira/browse/HIVE-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069164#comment-13069164 ]
Hudson commented on HIVE-2086:
------------------------------
Integrated in Hive-trunk-h0.21 #841 (See [https://builds.apache.org/job/Hive-trunk-h0.21/841/])
HIVE-2086. Add test coverage for external table data loss issue (Jonathan Natkins via cws)
cws : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1149331
Files :
* /hive/trunk/data/files/ext_test
* /hive/trunk/ql/src/test/queries/clientpositive/create_like.q
* /hive/trunk/ql/src/test/results/clientpositive/create_like.q.out
* /hive/trunk/data/files/ext_test/test.dat
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java
* /hive/trunk/build-common.xml
> Add test coverage for external table data loss issue
> ----------------------------------------------------
>
> 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
> Fix For: 0.8.0
>
> Attachments: HIVE-2086.1.patch, HIVE-2086.2.patch, HIVE-2086.3.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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