On Thu, May 31, 2001 at 01:44:37PM +0200, Bart Lateur wrote:
> On Thu, 31 May 2001 19:29:12 +0800 (PHT), Orlando Andico wrote:
>
> >On Thu, 31 May 2001, [iso-8859-1] Hèctor Alòs i Font wrote:
> >..
> >> Simply something as simple as :
> >>
> >> $sth = $dbh->prepare ("select FIELD from TABLE where
> >> IDENTIFIER=?");
> >> $sth->execute ('VALUE');
> >> ($field_value) = $sth->fetchrow_array;
> >
> >Make sure to do an
> >
> >$sth->finish;
> >
> >before quitting. This will eliminate the warning.
>
> Indeed. The reason is that, even if *you* know there is only one record,
> but the DB doesn't know that, because it hasn't searched upto the end of
> the recordset, yet.
>
> If you were to repeat the $sth->fetchrow_array until it returned
> nothing, *then* the DB would know there is no more. Then the warning
> would disappear.
>
> But "finish" is a smarter way of just disregarding any pending results
> (even if there are none).
In this case using a
$field_value = $dbh->selectrow_array("...", undef, 'VALUE');
would be the best solution.
Tim.
