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From "edward yoon" <edw...@udanax.org>
Subject Re: Renaming the table.
Date Tue, 04 Mar 2008 00:59:28 GMT
Hmm. i see. Then, just use the meta alteration or copy.

And i'll attend to hadoop summit, hbase user meeting.
See soon.

On 3/4/08, Bryan Duxbury <bryan@rapleaf.com> wrote:
> I'm not sure I understand. Do you mean you'd maintain a mapping
> between the old, actual table name and the new, logical table name? I
> don't really like that idea. It sounds like it would add a ton of
> failure cases and complexity to the system. We need tables to stay in
> a really consistent state so that we can have as much data
> reliability as possible.
>
> -Bryan
>
> On Mar 3, 2008, at 3:58 PM, edward yoon wrote:
>
> >> We'd need to add a new table operation for renaming a table
> >>  internally. The ugly part is that we'd have to rewrite every row for
> >>  the table in META to do this.
> >
> > In fact, i thought a physical/logical table name management for
> > high-performance without no changing the meta data.
> >
> > On 3/4/08, Bryan Duxbury <bryan@rapleaf.com> wrote:
> >> We'd need to add a new table operation for renaming a table
> >>  internally. The ugly part is that we'd have to rewrite every row for
> >>  the table in META to do this.
> >>
> >>  The SQL way to do this would be "ALTER TABLE table RENAME new name".
> >>  However, that's a bit verbose, so I think "RENAME table TO
> >> new_table"
> >>  would be fine.
> >>
> >>
> >>  -Bryan
> >>
> >>
> >>  On Mar 2, 2008, at 9:56 PM, edward yoon wrote:
> >>
> >>> A renaming function of table alteration is needed.
> >>> Is there a tool for renaming the table?
> >>>
> >>> Any ideas please post back.
> >>> Also, i'd like to add renaming syntax to hql as describe below.
> >>>
> >>> hql > RENAMING table_name TO new_table_name;
> >>>
> >>> What do you think?
> >>> --
> >>> B. Regards,
> >>> Edward yoon @ NHN, corp.
> >>
> >>
> >
> >
> > --
> > B. Regards,
> > Edward yoon @ NHN, corp.
>
>


-- 
B. Regards,
Edward yoon @ NHN, corp.

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