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https://issues.apache.org/jira/browse/TAJO-1429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14370889#comment-14370889
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Yongjin Choi commented on TAJO-1429:
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Hi, Jihoon Son.
IMHO, it would be cool if tajo had a kind of tool for 'metadata' migration &
verification.
It's not easy to dump & restore metadata to normal users, and seems to be
error-prone.
What do you think about that?
> Old version catalog databases dose not work on tajo-0.11.0-SNAPSHOT.
> ---------------------------------------------------------------------
>
> Key: TAJO-1429
> URL: https://issues.apache.org/jira/browse/TAJO-1429
> Project: Tajo
> Issue Type: Bug
> Reporter: Seungun Choe
> Assignee: Seungun Choe
> Priority: Minor
>
> In my case, make catalog database set on tajo-0.9.0-SNAPSHOT.
> This catalog worked on tajo-0.9.1-SNAPSHOT and tajo-0.10.0-SNAPSHOT.
> But, it does not work on tajo-0.11.0-SNAPSHOT.
> So, I change META table's value at catalog database. ( 2 -> 3 )
> But, it does not working.
> I think old version catalog database can use any time, any version tajo.
> (My catalog databases is on mysql.)
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