Re: (replication) Detecting if server a slave, or a master in recovery

On Mon, Sep 12, 2011 at 7:54 AM, Toby Corkindale
<toby(dot)corkindale(at)strategicdata(dot)com(dot)au> wrote:

> What is the correct way to tell what mode a replicated Pg server is
> currently in, via a database connection?
>
> I can take a guess if it's the master or a slave by using the
> pg_current_xlog_location() and pg_last_xlog_replay_location() functions.
>
> However it occurs to me that a master server, which has been roughly
> rebooted and is replaying its WAL files will probably give the same response
> as a slave, when I call the current_xlog_location().
>
>
> What is the best method for determining whether you're connected to the
> master or slave database?

SELECT pg_is_in_recovery();

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