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https://issues.apache.org/jira/browse/HIVE-2068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13017897#comment-13017897
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Namit Jain commented on HIVE-2068:
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Can you regenerate the patch ?
I am getting a lot of conflicts
> Speed up query "select xx,xx from xxx LIMIT xxx" if no filtering or
> aggregation
> -------------------------------------------------------------------------------
>
> Key: HIVE-2068
> URL: https://issues.apache.org/jira/browse/HIVE-2068
> Project: Hive
> Issue Type: Improvement
> Reporter: Siying Dong
> Assignee: Siying Dong
> Attachments: HIVE-2068.1.patch, HIVE-2068.2.patch, HIVE-2068.3.patch,
> HIVE-2068.4.patch
>
>
> Currently, "select xx,xx from xxx where ...(only partition conditions) LIMIT
> xxx" will start a MapReduce job with input to be the whole table or
> partition. The latency can be huge if the table or partition is big. We could
> reduce number of input files to speed up the queries.
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