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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-1726) Migration to 0.20 looses index information from HTableDescriptor
Date Sun, 02 Aug 2009 04:42:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-1726.
--------------------------

    Resolution: Fixed

Committed to 0.19 branch.  Reviewed wiki update.  All looks good.  Thanks for the patch Clint.

> Migration to 0.20 looses index information from HTableDescriptor
> ----------------------------------------------------------------
>
>                 Key: HBASE-1726
>                 URL: https://issues.apache.org/jira/browse/HBASE-1726
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: contrib
>            Reporter: Clint Morgan
>             Fix For: 0.20.0
>
>         Attachments: 1726.patch
>
>
> In 0.19 index info was stored as a private field, and written specially in the Writable
impl of HTD. In 0.20 it is stored in the general values map under the key "INDEXES". So migration
needs to read in the old HTD format, and store the indexes in the values map. I wrote a quick
standalone thing to do this. Can someone point me where to plug this into general migration
process?

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