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mk-table-sync using different src and dst db names.
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David Juntgen  
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 More options Mar 28 2011, 2:36 pm
From: David Juntgen <djunt...@gmail.com>
Date: Mon, 28 Mar 2011 14:36:08 -0400
Local: Mon, Mar 28 2011 2:36 pm
Subject: mk-table-sync using different src and dst db names.
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Hello,

It appears that mk-table-sync does not allow sync'ing from a src database to
a different dst database.

I have a read only database that needs to be sync'ed to other servers
nightly and mysqldump / import is taking too long.  I would like to use
mk-table-sync to compare and update any deltas of the two DBs.  The source
database has the exact same table structure has the destination database,
the only difference is the database name.

So I'm wanting to do :

mk-table-sync --print --verbose  --ignore-tables
NPI_ids,NPI_load h=1,u=,p=,D=rxdb_load h=2,u=t,p=,D=rxdb_v1

Basically two DSN's with different "D="'s.

Thoughts?

Regards,

--Dave

--
David W. Juntgen


 
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Baron Schwartz  
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 More options Mar 31 2011, 1:56 pm
From: Baron Schwartz <ba...@xaprb.com>
Date: Thu, 31 Mar 2011 13:56:42 -0400
Local: Thurs, Mar 31 2011 1:56 pm
Subject: Re: [maatkit-discuss] mk-table-sync using different src and dst db names.
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David,

This is a limitation we (at Percona) haven't needed to fix ourselves,
although others have requested it a few times. From the docs,

       --databases
           short form: -d; type: hash

           Sync only this comma-separated list of databases.

           A common request is to sync tables from one database with tables
           from another database on the same or different server.  This is not
           yet possible.  "--databases" will not do it, and you can’t do it
           with the D part of the DSN either because in the absence of a table
           name it assumes the whole server should be synced and the D part
           controls only the connection’s default database.

Thanks,
Baron

--
Baron Schwartz
Percona Inc <http://www.percona.com/>
Consulting, Training, Support & Services for MySQL

 
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