Re: invalidating cached plans

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От Neil Conway
Тема Re: invalidating cached plans
Дата
Msg-id 423663C5.80906@samurai.com
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Ответ на Re: invalidating cached plans  (Oliver Jowett <oliver@opencloud.com>)
Ответы Re: invalidating cached plans  (Tom Lane <tgl@sss.pgh.pa.us>)
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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. (If 
your prepared queries take minutes of planning time, perhaps this is 
something you *would* like to be made aware of, however...)

-Neil


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