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https://issues.apache.org/jira/browse/HADOOP-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550284
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Hadoop QA commented on HADOOP-2395:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12371395/2395.patch
against trunk revision r603084.
@author +1. The patch does not contain any @author tags.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new compiler warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
contrib tests +1. The patch passed contrib unit tests.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1312/testReport/
Findbugs warnings:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1312/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1312/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1312/console
This message is automatically generated.
> [hbase] Implement "ALTER TABLE ... CHANGE column" operation
> -----------------------------------------------------------
>
> Key: HADOOP-2395
> URL: https://issues.apache.org/jira/browse/HADOOP-2395
> Project: Hadoop
> Issue Type: Improvement
> Components: contrib/hbase
> Reporter: Bryan Duxbury
> Assignee: Bryan Duxbury
> Attachments: 2395.patch
>
>
> Right now, you can add or delete column families, but not change them once
> they are created. This is really inconvenient for things like adding
> compression or bloom filters to a column family once you get going. As new
> people come to HBase, they're going to make schema decisions that are
> incorrect and will need a way to modify their tables, so this is an important
> new feature.
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