Re: Determine state of cluster (HA)

On 10/16/2017 03:55 AM, Magnus Hagander wrote:
>
>
> On Mon, Oct 16, 2017 at 4:39 AM, Craig Ringer <craig(at)2ndquadrant(dot)com
> <mailto:craig(at)2ndquadrant(dot)com>> wrote:
>
> On 13 October 2017 at 08:50, Joshua D. Drake <jd(at)commandprompt(dot)com
> <mailto:jd(at)commandprompt(dot)com>> wrote:
> > 5.  There is no way to connect to a db node with something akin to
> > SQL-Server's "application intent" flags, to allow a connection to be
> > rejected if we wish it to be a read/write connection.  This helps detect the
> > state of the node directly without having to ask any further questions of
> > the node, and makes it easier to "stall" during connection until a proper
> > connection can be made.
>
> That sounds desirable, and a good step toward eventually being able to
> transparently re-route read/write queries from replica to master.
> Which is where I'd like to land up eventually.
>
>
> It also sounds a lot like the connection parameter target_session_attrs

Ahh, this is part of the new libpq failover right?

Thanks,

JD

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