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https://issues.apache.org/jira/browse/HIVE-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892411#action_12892411
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Ning Zhang commented on HIVE-1488:
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Tried to simply remove the code from Hadoop19Shims.java and it still gives
diffs in combine2.q. CombineHiveInputFormat in hadoop 19 extends
MultiFileInputFormat while it extends CombineFileInputFormat in hadoop 20. So
there may be some differences in 19. Will look into it in more details.
> CombineHiveInputFormat for hadoop-19 is broken
> ----------------------------------------------
>
> Key: HIVE-1488
> URL: https://issues.apache.org/jira/browse/HIVE-1488
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Joydeep Sen Sarma
> Assignee: Ning Zhang
>
> I don't if anyone is using it. After making some recent testing related
> changes in HIVE-1408, combine[12].q are no longer working when testing
> against 19. I have seen them fail earlier as well and not investigated.
> Looking at the code, it seems pretty hokey:
> getInputPathsShim():
> Path[] newPaths = new Path[paths.length];
> // remove file:
>
>
> for (int pos = 0; pos < paths.length; pos++) {
> newPaths[pos] = new Path(paths[pos].toString().substring(5));
> }
> since we are no longer using 'file:' namespace for test warehouse, this is
> broke. But this would be broken against any hdfs instance it would seem(?).
> Also not clear what we are trying to do here.
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