Re: Handle PGRES_COPY_BOTH in psql for logical replication?

On 2015-06-05 09:43:45 +0200, Shulgin, Oleksandr wrote:
> > How would that look like? It's just binary data you'd get back? And what
> > would be the feedback messages and such look like, and what would be the
> > content?

> It would be whatever the logical decoding plugin sends.  Makes perfect
> sense for OUTPUT_PLUGIN_TEXTUAL_OUTPUT to see it on the terminal.  And you
> could even use binary with psql's \o, if you want (though usefulness is
> less apparent to me in this case).

Hm. I severely doubt that that's a useful thing to do.

> > For example, one could try replication from different wal positions,
> > > different output plugins and/or plugin options, w/o re-establishing the
> > > connection, interactively by editing the command directly in psql prompt,
> > > as opposed to using pg_recvlogical and editing the command line switches.
> >
> > You can mostly use the sql functions for that.
> >
> 
> Maybe I'm missing something, which functions do you have in mind exactly?

pg_logical_slot_get_changes() etc?