Re: Merging two database dumps

Desired behavior is to just log the error and continue the import using
pgdump based copy commands

The servers are not on the same network. Sneaker net is the only way

On Wed, Jun 13, 2018, 7:42 AM Andreas Kretschmer <andreas(at)a-kretschmer(dot)de>
wrote:

>
>
> Am 13.06.2018 um 13:17 schrieb Alex O'Ree:
> > I have a situation with multiple postgres servers running all with the
> > same databases and table structure. I need to periodically export the
> > data from each of there then merge them all into a single server. On
> > occasion, it's feasible for the same record (primary key) to be stored
> > in two or more servers
>
> what should happen in this case?
>
> >
> > I was using pgdump without the --insert option however I just noticed
> > that pgrestore will stop inserting into a table when the conflict
> > occurs, leaving me with an incomplete set.
> >
>
> Other solution:
>
> * create the tables on the destination server without the PK or with an
> other, new PK (maybe SERIAL)
> * use logical replication to replicate the table from all your
> source-db's to the destination table, see more here:
> https://www.2ndquadrant.com/en/resources/pglogical/
>
> your problem seems as a typical task for logical replication to me. You
> needs 9.4 at least.
>
>
> Regards, Andreas
>
> --
> 2ndQuadrant - The PostgreSQL Support Company.
> www.2ndQuadrant.com
>
>
>