From: | SHARMILA JOTHIRAJAH <sharmi_jo(at)yahoo(dot)com> |
---|---|
To: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
Cc: | General postgres mailing list <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Sync 2 tables in 2 databases |
Date: | 2009-03-11 19:26:35 |
Message-ID: | 41883.15655.qm@web110706.mail.gq1.yahoo.com |
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Lists: | pgsql-general |
--- On Wed, 3/11/09, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> >
> > Hi,
> > I have 2 postgres databases with similar structure. I
> want to keep some tables in sync in these 2 databases(They
> can be synced just once a day). Is there a way to archive
> this using function ?
> > Something like....
> >
> > Select syncTable('foo')
> >
> > where syncTable is a function that compares table
> 'foo' in db1 with table 'foo' in db2 and make
> changes(update/insert/delete) to 'foo' in db1
>
> You can either truncate it on the destination db every so
> often, then
> dump / restore the data back into it, drop it and restore
> it, write a
> simple replication script that looks for missing /
> updated rows, or
> my suggestion, set up replication with slony and be done
> with it. Of
> course, you don't mention if you need one or two way
> synchronization,
> which makes a big difference in how you choose to do
> things.
>
It is just 1 way synchronization... replication with slony sounds pretty good... ill try that out
Thanks
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