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Posted by lamib on 11/30/07 22:55
mantrid wrote:
> I am getting the following error. I cant see what is wrong. I am probably
> overlooking something obvious, can anyone see what is wrong ? The sql is ok
> as used elsewhere. Problem only occurs when i include the mysql_num_rows()
> function
>
>
> Warning: mysql_num_rows(): supplied argument is not a valid MySQL result
> resource in /home/iddsoftw/public_html/cgtcalc/addcomp.php on line 76
>
>
> $sql30daycheck = "SELECT * FROM cgttransactions WHERE
> companyid=$impcompanyid AND selldatetime IS NOT NULL AND bbprice IS NULL AND
> selldatetime >=DATE_SUB('".$impdatetime."', INTERVAL 30 DAY) ORDER BY
> selldatetime DESC "; //LIMIT 1 DATE(NOW()) > finstart AND DATE(NOW()) <
> DATE_ADD(finstart, INTERVAL 1 YEAR)"
>
> **************************
> if(mysql_num_rows(mysql_query($sql30daycheck))){ <<<<<<<<
> line 76
> $q30daycheck = mysql_query($sql30daycheck);
> while($r30daycheck =& mysql_fetch_array($q30daycheck)) {
> extract($r30daycheck);
>
> ******* some code here using $r30daycheck ******
> }
> }
>
> ******************
>
>
>
>
>
>
>
I'm not entirely sure (as I use a MySQL library to ease the task), but
try doing something like "$queryresult = mysql_query($sql30daycheck)"
first and doing mysql_num_rows($queryresult).
--
www.lamib.info
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