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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2138) Exception when no splits returned from index
Date Tue, 02 Aug 2011 18:08:29 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Sichi updated HIVE-2138:
-----------------------------

    Status: Open  (was: Patch Available)

A few comments added in Review Board.


> Exception when no splits returned from index
> --------------------------------------------
>
>                 Key: HIVE-2138
>                 URL: https://issues.apache.org/jira/browse/HIVE-2138
>             Project: Hive
>          Issue Type: Bug
>          Components: Indexing
>    Affects Versions: 0.8.0
>            Reporter: Russell Melick
>            Assignee: Syed S. Albiz
>         Attachments: HIVE-2138.1.patch, index_auto_test_if_used.q
>
>
> Running a query that uses indexing but doesn't return any results give an exception.
> {code} java.lang.IllegalArgumentException: Can not create a Path from an empty string
> at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82)
> at org.apache.hadoop.fs.Path.<init>(Path.java:90)
> at org.apache.hadoop.util.StringUtils.stringToPath(StringUtils.java:224)
> at org.apache.hadoop.mapred.FileInputFormat.setInputPaths(FileInputFormat.java:282)
> at org.apache.hadoop.hive.ql.index.HiveIndexedInputFormat.getSplits(HiveIndexedInputFormat.java:123)
{code}
> This could potentially be fixed by creating a new empty file to use for the splits.
> Once this is fixed, the index_auto_test_if_used.q can be used.

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