Re: counting number of records in a MySQL table; how do I get the result?
| From: | OrangeHairedBoy | Date: | Thu, 03 Oct 2002 08:12:54 +0000 |
| Subject: | Re: counting number of records in a MySQL table; how do I get the result? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-118702@lists.php.net to get a copy of this message | ||
Hi!
$result=mysql_query("select count(*) as count from AuthNum");
$a_row=mysql_fetch_object($result);
$NumberOfRows=$a_row->count;
if ($NumberOfRows)
{
/* There is at least one row */
}
else
{
/* There are no rows */
}
Hope this helps (especially the "as count" part in the query)
::Lewis
"Donpro" <donpro@lclcan.com> wrote in message
news:073901c26a53$44fdaaa0$c889cdcd@lclcan.com...
> Hi,
>
> I need to do either an insert or update into a MySQL table. Insert if
there
> are 0 records or update if one record exist:
>
> This is my code snippet:
>
> if (mysql_query("SELECT COUNT(*) FROM AuthNum") == 0) {
> mysql_query("INSERT into AuthNum (FirstNum, LastNum, NextNum) VALUES
> (1,2,3)",$dblink);
> } else {
> mysql_query("Update AuthNum Set FirstNum = 1, LastNum = 2, NextNum =
> 3",$dbLink);
> }
>
> My problem is, a record never gets inserted because the SELECT COUNT query
> is returning a resource ID of 2. How can I get the actual number of
records
> in the table?
>
> Thanks,
> Don
>
>