Re: invalidating cached plans - Mailing list pgsql-hackers

From Tom Lane
Subject Re: invalidating cached plans
Date
Msg-id 2938.1110865749@sss.pgh.pa.us
Whole thread Raw
In response to Re: invalidating cached plans  (Neil Conway <neilc@samurai.com>)
List pgsql-hackers
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


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