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https://issues.apache.org/jira/browse/HIVE-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022269#comment-13022269
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jirapos...@reviews.apache.org commented on HIVE-2086:
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Ship it!
- Ning
On 2011-04-15 01:34:56, Jonathan Natkins wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/604/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-04-15 01:34:56)
bq.
bq.
bq. Review request for hive.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. Review request for HIVE-2086. The external parameters were being set, but
then being zeroed out by a call to params.clear(), resulting in an external
table that wasn't marked as external.
bq.
bq.
bq. This addresses bug HIVE-2086.
bq. https://issues.apache.org/jira/browse/HIVE-2086
bq.
bq.
bq. Diffs
bq. -----
bq.
bq. build-common.xml 9f21a69
bq. data/files/ext_test/test.dat PRE-CREATION
bq. ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 9d8919c
bq. ql/src/test/queries/clientpositive/create_like.q 2edde83
bq. ql/src/test/results/clientpositive/create_like.q.out 63a8939
bq.
bq. Diff: https://reviews.apache.org/r/604/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq. Automated tests added
bq.
bq.
bq. Thanks,
bq.
bq. Jonathan
bq.
bq.
> 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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