Re: invalidating cached plans

Neil Conway <neilc@samurai.com> writes:
> Oliver Jowett wrote:
>> Does this mean that clients that use PREPARE/Parse need to handle "plan 
>> invalidated" as a possible response to EXECUTE/Bind, or will the backend 
>> keep the query string / parse tree around and replan on next execution?

> The latter -- the client won't be aware that replanning took place.

It seems possible that replanning would fail for some reason, in which
case the EXECUTE would get an error of a kind you maybe weren't
expecting during EXECUTE.  Other than that it seems it should be
transparent.

			regards, tom lane