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https://issues.apache.org/jira/browse/PIG-993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766581#action_12766581
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Hadoop QA commented on PIG-993:
-------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12421881/zebra-drop-cg.patch
against trunk revision 825712.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 33 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/88/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/88/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/88/console
This message is automatically generated.
> [zebra] Abitlity to drop a column group in a table
> --------------------------------------------------
>
> Key: PIG-993
> URL: https://issues.apache.org/jira/browse/PIG-993
> Project: Pig
> Issue Type: Bug
> Reporter: Raghu Angadi
> Assignee: Raghu Angadi
> Fix For: 0.6.0
>
> Attachments: DropColumnGroupExample.java, zebra-drop-cg.patch,
> zebra-drop-cg.patch, zebra-drop-cg.patch
>
>
> A Zebra table is stored as multiple sub tables each containing a set of
> columns called column group (CG). The user specifies how these columns are
> grouped while creating a table through the _storage hint_.
> For some of the large tables, it might be necessary for users to remove a set
> of columns and retain the rest. This jira provides a way for users to delete
> an entire column group.
> The following comments will have more details on API and the semantics.
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