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https://issues.apache.org/jira/browse/HIVE-1412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ning Zhang updated HIVE-1412:
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Status: Patch Available (was: Open)
Affects Version/s: 0.6.0
0.7.0
Fix Version/s: 0.7.0
> CombineHiveInputFormat bug on tablesample
> -----------------------------------------
>
> Key: HIVE-1412
> URL: https://issues.apache.org/jira/browse/HIVE-1412
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.6.0, 0.7.0
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Fix For: 0.6.0, 0.7.0
>
> Attachments: HIVE-1412.2.patch, HIVE-1412.patch
>
>
> CombineHiveInputFormat should combine all files inside one partition to form
> a split but should not takes files cross partition boundary. This works for
> regular table and partitions since all input paths are directory. However
> this breaks when the input is files (in which case tablesample could be the
> use case). CombineHiveInputFormat should adjust to the case when input could
> also be non-directories.
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