[freetds] Multiple update statements
MStrumyla at Accordant.net
Tue Oct 13 11:36:25 EDT 2009
I had a brain fart obviously. The records are inserted earlier in the
The only thing that's weird is that the query works as is. No separation
of UPDATE statements. I can live with that.
From: freetds-bounces at lists.ibiblio.org
[mailto:freetds-bounces at lists.ibiblio.org] On Behalf Of Frediano Ziglio
Sent: Tuesday, October 13, 2009 4:19 AM
To: FreeTDS Development Group
Subject: Re: [freetds] Multiple update statements
2009/10/9 Strumyla, Marius <MStrumyla at accordant.net>:
> I'm maintaining someone else's code. Application is written in PHP
> with MS SQL database. Driver installed is FreeTDS 0.64. Platform
> Solaris 10 x86.
> I came across this query:
> mssql_query("UPDATE user_project SET membership=43 WHERE project=49
> AND usernum=2UPDATE user_project SET membership=0 WHERE project=49 AND
> usernum=9UPDATE user_project SET membership=0 WHERE project=49 AND
> usernum=10UPDATE user_project SET membership=0 WHERE project=49 AND
> usernum=12UPDATE user_project SET membership=0 WHERE project=49 AND
> usernum=14UPDATE user_project SET membership=0 WHERE project=49 AND
> usernum=15UPDATE user_project SET membership=0 WHERE project=49 AND
> What is interesting is that records that don't exist are inserted :)
> If I had an empty user_project table, after the execution of the above
> query I would have 7 new records in user_project.
> I would like to know whether this is expected and documented
Updates should not insert any values. Probably you have a trigger that
insert rows when update happens.
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