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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-276) input3_limit.q fails under 0.17
Date Thu, 05 Feb 2009 22:33:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670925#action_12670925
] 

Zheng Shao commented on HIVE-276:
---------------------------------

To test, try: ant -Dhadoop.version=0.17.0 -Dtestcase=TestCliDriver -Dqfile=input3_limit.q
test

> input3_limit.q fails under 0.17
> -------------------------------
>
>                 Key: HIVE-276
>                 URL: https://issues.apache.org/jira/browse/HIVE-276
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Zheng Shao
>
> The plan ql/src/test/results/clientpositive/input3_limit.q.out shows that there are 2
map-reduce jobs:
> The first one is distributed and sorted as is specified by the query. The reducer side
has LIMIT 20.
> The second one (single reducer job imposed by LIMIT 20) does not have the same sort order,
so the final result is non-deterministic.

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