Re: make async slave to wait for lsn to be replayed

On Mon, Jan 23, 2017 at 2:56 PM, Ivan Kartyshov <i(dot)kartyshov(at)postgrespro(dot)ru>
wrote:

> How to use it
> ==========
> WAITLSN ‘LSN’ [, timeout in ms];
> WAITLSN_INFINITE ‘LSN’;
> WAITLSN_NO_WAIT ‘LSN’;

Adding suffix to the command name looks weird. We don't do so for any
other command.
I propose following syntax options.

WAITLSN lsn;
WAITLSN lsn TIMEOUT delay;
WAITLSN lsn INFINITE;
WAITLSN lsn NOWAIT;

For me that looks rather better. What do you think?

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company