Re: how to tell if a returned returned query has results,
| From: | Brett Zamora | Date: | Fri, 23 Jun 2000 17:17:02 +0000 |
| Subject: | Re: how to tell if a returned returned query has results, | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-2829@lists.php.net to get a copy of this message | ||
Here is a snippet of code that I use to accomplish what you've asked
about...
global $hostname, $user, $password ;
$sqlcmd = "SELECT * FROM notes WHERE notes.Ticket_ID =
".$ticketnbr." ORDER BY notes.Ticket_ID, notes.Sequence" ;
$db = mysql_connect($hosthame,$user,$password) ;
$rs = mysql_db_query("tb_dbms", $sqlcmd, $db) ;
if ($rs == "") {
echo "An unexpected SQL error occurred while " ;
echo "trying to retrieve the Notes table values.<BR><BR>" ;
echo "Debug Information<BR><BR>" ;
echo mysql_errno().": ".mysql_error()."<BR><BR>" ;
echo "rc = ".$rc."<BR>" ;
echo "sqlcmd = ".$sqlcmd."<BR>" ;
}
else
$rowcount = mysql_num_rows($rs) ;
if ($rowcount > 0) {
etc...etc...etc...
Cheers,
Brett
<david.tansley@acelondon.co.uk> wrote in message
news:80256907.005D08CC.00@acelondon.co.uk...
>
>
> Hello,
>
> Apart from seeing the screen output, how can you test that the
> returned results from a query (mysql) does not have any rows, so you
> can inform inform the user with a friendly message, saying "...
> the search to not return any results"..
>
> Thanks
>
> D.T.
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