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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-491) Addition of renaming operation
Date Tue, 04 Mar 2008 17:23:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12575063#action_12575063

Bryan Duxbury commented on HBASE-491:

What kind of syntax are you looking to produce in the shell? Obviously we can't use that relational
algebra stuff you put in the description. 

Are you intending this issue to cover both renaming a table and renaming column families?
They are two very different and independently complex issues. I would hazard to say that with
the current structure it is impossible to cheaply rename column families, as it would require
you to rewrite every mapfile in the entire column family.

As to the patch - you misspelled RenamingOperation. Seems like a good start though.

> Addition of renaming operation
> ------------------------------
>                 Key: HBASE-491
>                 URL: https://issues.apache.org/jira/browse/HBASE-491
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: client
>    Affects Versions: 0.1.0
>            Reporter: Edward Yoon
>             Fix For: 0.2.0
>         Attachments: interface.patch
> ρ ~S(B1, B2, ..., Bn)~ (R) - Renames the table R to S and columnfamilies Ai to Bi
> ρ ~S~ (R) - Renames the table R to S
> ρ ~(B1, B2, ..., Bn)~ (R) - Renames columnfamilies Ai to Bi

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