Re: WAL Info messages

On Sun, Dec 13, 2009 at 7:20 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On Standby side, we would provide a plugin interface to allow the
> message to be read and handled by user-written code. This would then
> allow a simple value or notification to be passed to a waiting (polling)
> connection on standby. If new LISTEN/NOTIFY gets into 8.5 then this
> would be an obvious fit, but I have no need for message passing, just
> info passing, so no need to wait for that; something much simpler.

What happens on the slave when normal NOTIFYs are generated on the
master? IIRC NOTIFYs are wal-logged so I imagine LISTEN on the slave
would just work and a plain old NOTIFY/LISTEN would suffice for this
use case?

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greg