Re: prepared statements & functions - Mailing list pgsql-novice

From Merlin Moncure
Subject Re: prepared statements & functions
Date
Msg-id CAHyXU0y6g6q4nm_mL-qpLr3WpaBpA+RbZQ0j6txJjYhC3=zi-g@mail.gmail.com
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In response to Re: prepared statements & functions  (Andreas Kretschmer <akretschmer@spamfence.net>)
List pgsql-novice
On Mon, Dec 5, 2011 at 11:16 AM, Andreas Kretschmer
<akretschmer@spamfence.net> wrote:
> Jean-Yves F. Barbier <12ukwn@gmail.com> wrote:
>
>> On Sun, 4 Dec 2011 09:38:40 +0100
>> Andreas Kretschmer <akretschmer@spamfence.net> wrote:
>>
>> > > AFAI understand prepared statements they can accelerate
>> > > repetitive queries very much - but is it possible to
>> > > prepare them from within a function (let say when the user
>> > > connects), and if so, will they be erased as soon as the
>> > > user disconnects?
>> >
>> > We haven't TRIGGERs for events like 'USER LOGGED IN' or so ...
>>
>> That was not my thinking; it was more like:
>> user connects
>> user calls the function
>> function creates prepared statements
>> user call other fun that uses these prepared statements
>
> Okay, i think, that should be possible.

also, prepared statements are deallocated automatically when the
connection drops.

merlin

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