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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2395) [hbase] Implement "ALTER TABLE ... CHANGE column" operation
Date Tue, 11 Dec 2007 05:19:43 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Bryan Duxbury updated HADOOP-2395:

    Attachment: 2395-v2.patch

Added some help text, fixed the bug Stack was seeing (adding a : unconditionally).

> [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-v2.patch, 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

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