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From "Raghotham Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-518) test mode in hive
Date Thu, 28 May 2009 01:53:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713830#action_12713830
] 

Raghotham Murthy commented on HIVE-518:
---------------------------------------

There is now a test failure because of a change in hive-511 which was committed after you
created the patch. Can you regenerate the patch with the latest code?

    [junit] 09/05/27 18:25:14 INFO exec.FileSinkOperator: Moving tmp dir: /mnt/vol/devrs005.snc1/rmurthy/hive-committer/build/ql/tmp/_tmp.816501927.10000.insclause-0
to: /mnt/vol/devrs005.snc1/rmurthy/hive-committer/build/ql/tmp/816501927.10000.insclause-0
    [junit] diff -a -I \(file:\)\|\(/tmp/.*\) /mnt/vol/devrs005.snc1/rmurthy/hive-committer/build/ql/test/logs/clientpositive/input30.q.out
/mnt/vol/devrs005.snc1/rmurthy/hive-committer/ql/src/test/results/clientpositive/input30.q.out
    [junit] 23c23
    [junit] <                     expr: (((hash(rand(UDFToLong(460476415))) & 2147483647)
% 32) = 0)
    [junit] ---
    [junit] >                     expr: (((default_sample_hashfn(rand(UDFToLong(460476415)))
& 2147483647) % 32) = 0)


> test mode in hive
> -----------------
>
>                 Key: HIVE-518
>                 URL: https://issues.apache.org/jira/browse/HIVE-518
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.3.1
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.4.0
>
>         Attachments: hive-518.5.patch, hive.518.1.patch, hive.518.2.patch, hive.518.3.patch,
hive.518.4.patch, hive.518.6.patch
>
>
> It would be good to have a test mode in hive - this will help in checking the validity
of a hive drop on a production cluster.
> The following would be good to have:
> Testmode --> In testmode, all input tables are sampled (if not already sampled) and
all output tables are prefixed by a user supplied name.
> This way, multiple hive drops can be compared quickly for correctness

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