From: | Daniele Varrazzo <daniele(dot)varrazzo(at)gmail(dot)com> |
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To: | Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net> |
Cc: | psycopg(at)postgresql(dot)org |
Subject: | Re: Prepared statements [was: Session state per transaction] |
Date: | 2012-09-28 10:57:50 |
Message-ID: | CA+mi_8aOb0O_s-To+k8b+rTQnfPEia7GTYtCCt=zefw0Kxobyw@mail.gmail.com |
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Lists: | psycopg |
On Fri, Sep 28, 2012 at 11:33 AM, Karsten Hilbert
<Karsten(dot)Hilbert(at)gmx(dot)net> wrote:
> On Fri, Sep 28, 2012 at 02:32:42AM +0100, Daniele Varrazzo wrote:
>
>> I've played a little bit with the idea and made a cursor subclass
>> instead: it does everything like a normal cursor, but has a prepare()
>> method. If it is called, execute() and executemany() can be called
>> without a query, in which case they execute the statement stored (the
>> cursor can have only one, but several cursors can be used to prepare
>> several statements). If execute*() receive a query too they behave
>> like normal cursors
>
> Maybe check the received query string against the already
> prepared query string and on match reuse the prepared query ?
Yes, it could make easier to drop it into already existing code.
-- Daniele
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