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https://issues.apache.org/jira/browse/HIVE-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673105#action_12673105
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Ashish Thusoo commented on HIVE-276:
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I think it is easier to just put a sort by in the final select.
SELECT * FROM T2 SORT BY T2.key, T2.value;
instead of
SELECT * FROM T2;
> 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
> Assignee: Zheng Shao
> Attachments: HIVE-276.1.patch
>
>
> 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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