Обсуждение: BUG #3271: PREPARE/EXCUTE don't work

The following bug has been logged online:

Bug reference:      3271
Logged by:          laurent faillie
Email address:      l_faillie@yahoo.com
PostgreSQL version: 8.2.4
Operating system:   HP-UX 11.11 (v32 bits).
Description:        PREPARE/EXCUTE don't work
Details:

Hi all,

While trying to use Apache 2.2 database authentication, I discovered that I
wasn't able to retrieve users. After some investigation, I found that
PREPARE/EXECUTE are faulty. It can be reproduced in psql as bellow :

www=> PREPARE authn_dbd_1 (varchar) AS select mdp from mariage.comptes where
nom = '$1';
PREPARE
www=> execute authn_dbd_1 ('Test');
 mdp
-----
(0 rows)

www=> select mdp from mariage.comptes where nom = 'Test';
      mdp
---------------
 xxxxxxx
(1 row)

The problem was also in 8.2.3.

Best regards,

Laurent

laurent faillie wrote:
> While trying to use Apache 2.2 database authentication, I discovered that I
> wasn't able to retrieve users. After some investigation, I found that
> PREPARE/EXECUTE are faulty. It can be reproduced in psql as bellow :
>
> www=> PREPARE authn_dbd_1 (varchar) AS select mdp from mariage.comptes where
> nom = '$1';

That $1 should be without the quotes, like this:

PREPARE authn_dbd_1 (varchar) AS select mdp from mariage.comptes where
nom = $1

Otherwise the query looks for a user named '$1'.

--
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

Hi Heikki,

--- Heikki Linnakangas <heikki@enterprisedb.com> a
écrit :

> > www=> PREPARE authn_dbd_1 (varchar) AS select mdp
> from mariage.comptes where
> > nom = '$1';
>
> That $1 should be without the quotes, like this:
>
> PREPARE authn_dbd_1 (varchar) AS select mdp from
> mariage.comptes where
> nom = $1
>
> Otherwise the query looks for a user named '$1'.

Ok, it's working, thanks a log.
So, Apache DBD module is faulty, I will try to solve
out this issue and revert it back to apache team.

Thanks agains.

Laurent


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