Re: Remote updating

Dennis,

This may not be much help, but you might want to take a look into The
eRserver Project
http://gborg.postgresql.org/project/erserver/projdisplay.php

Jordan S. Jones

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Dennis Gearon wrote:

> Is it possible to have Postgres output changes to tables, i.e.
> essentially the WAL log, in the form of SQL statements, that could be
> uploaded to another, identical database, on a remote machine.
>
> I have a client that DOES NOT want the whole schema on their website
> for the sake of security. Pat will be on the website, part will be on
> an office computer.
>
> Both 'mini schemas' will use some common tables, like states,
> addresses, etc.
>
> If I could, I would make the changes queue up on the office computer,
> and then their local apache server and postgres DB would send up an
> update script.
>
> I'm wondering how to keep the two parts of the schemas synchronized.
>
> Is it possible to make a mirrororing system only mirror certain tables
> from a schema? Does this sound like a way to go?
>
> Do the writes in the primary master tend to wait until they can
> synchronize the slaves before it reflects the changes local to it,
> i.e. wait on full commit to all DB's before the transaction is visible?
>
> One other possiblity is that the total data will be pretty small, I
> could just upload the entire dataset, with date versioning, and remove
> off the end the old ones, 3-4 versions back. I would make all scripts
> look at one particular date value in one field saying what the new
> version is.
>
> Anyway, thoughts on this appreciated.
>
>
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