oops. i see then my previous mail will not help in this case. wasn't 
there something called 'affected_rows'? search the online manual for 
'affected'.


On 22 Mar 2002 at 17:09, Ashley M. Kirchner wrote:

> 
>       After a bit of research:
> 
> ----------
> Rick Emery wrote:
> 
> > $result = mysql_query(.....)'
> > mysql_num_rows($result)
> 
>     Hrm, this is resulting in:
> 
> <b>Warning</b>:  Supplied argument is not a valid MySQL result resource in
> <b>./index.php</b> on line <b>16</b><br>
>  Rows
> ----------
> 
> 
>       Rightfully so.  mysql_query() will only return true/false for UPDATEs
> indicating failure/success.  And, it's perfectly normal for it to be TRUE even
> if absolutely nothing was changed in the DB - the query was successful.  And
> mysql_num_rows($result) fails because $result=1 (assuming the query was valid).
> 
>       So, I need a different way to approach this so I can get some type of
> indication that something did change in the DB, or whether no records were
> found in the first place.
> 
>       I'd hate to have to do this in two steps, first query the DB with a SELECT
> statement, and if something was found, then do an UPDATE.
> 
>       Anyone have any other ideas?
> 
> --
> W | I haven't lost my mind; it's backed up on tape somewhere.
>   +--------------------------------------------------------------------
>   Ashley M. Kirchner <mailto:[EMAIL PROTECTED]>   .   303.442.6410 x130
>   IT Director / SysAdmin / WebSmith             .     800.441.3873 x130
>   Photo Craft Laboratories, Inc.            .     3550 Arapahoe Ave. #6
>   http://www.pcraft.com ..... .  .    .       Boulder, CO 80303, U.S.A.
> 
> 
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-- 
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 !      only my email [EMAIL PROTECTED] works           !
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Chris Hayes - Droef 35 - Wageningen


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