Re: Dynamic prepare possible in plpgsql?

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От Collin Peters
Тема Re: Dynamic prepare possible in plpgsql?
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Msg-id df01c91b0705010952s4fb5fd5fpd9f4f61ff9673875@mail.gmail.com
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Ответ на Re: Dynamic prepare possible in plpgsql?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Dynamic prepare possible in plpgsql?  ("Jonah H. Harris" <jonah.harris@gmail.com>)
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I have a plpgsql function which is doing a loop over one table of user
data and then inserting that data in various tables.  Example:

loop over user table (temp data)  insert into users1 table  insert into users2 table  etc....
end loop

Is it faster to use PREPARE for the various INSERT statements inside a
plpgsql function?  Perhaps I am wrong and it does its PREPARE work
when the function is parsed.

Collin


On 4/30/07, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> "Collin Peters" <cadiolis@gmail.com> writes:
> > Is it possible to have a dynamic PREPARE statement in plpgsql?
>
> Well, you could use plpgsql's EXECUTE to run SQL PREPARE and EXECUTE
> commands, but it seems awfully brute-force.  What do you really need
> to accomplish here?
>
>                         regards, tom lane
>


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