Re: invalidating cached plans

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От Oliver Jowett
Тема Re: invalidating cached plans
Дата
Msg-id 42365F4B.3070001@opencloud.com
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Ответ на invalidating cached plans  (Neil Conway <neilc@samurai.com>)
Ответы Re: invalidating cached plans  (Neil Conway <neilc@samurai.com>)
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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


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