[jira] Commented: (HIVE-1377) getPartitionDescFromPath() in CombineHiveInputFormat should handle matching by path

["Ning Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-1377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12873181#action_12873181 ] 

Ning Zhang commented on HIVE-1377:
----------------------------------

+1. Looks good. Will commit after tests. 

> getPartitionDescFromPath() in CombineHiveInputFormat should handle matching by path
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-1377
>                 URL: https://issues.apache.org/jira/browse/HIVE-1377
>             Project: Hadoop Hive
>          Issue Type: Bug
>    Affects Versions: 0.6.0
>            Reporter: Paul Yang
>            Assignee: Paul Yang
>         Attachments: HIVE-1377.1.patch
>
>
> The use case is:
> {code}
> dir = hdfs://host:9000/user/warehouse/tableName/abc
> pathToPartitionInfo = {/user/warehouse/tableName : myPart}
> {code}
> Then calling 
> {code} 
> getPartitionDescFromPath(dir, pathToPartitionInfo)
> {code}
> will throw an IOException because /user/warehouse/tableName is not a prefix of hdfs://host:9000/user/warehouse/tableName/abc. Currently, this is not an issue but will come up if CombineFileInputFormat is modified so what the scheme and authority are not stripped out  when generating splits (see MAPREDUCE-1806).
> The proposed solution is add a case where matching is done by just the path component of the URI's.

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