Re: invalidating cached plans

Neil Conway wrote:

> - it is the responsibility of the call site managing the prepared plan
> to check whether a previously prepared plan is invalid or not -- and to
> take the necessary steps to replan it when needed.

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?

-O