my $sql = "SELECT o.objectid, 
					   <other fields>
			FROM	   object o
			WHERE	   o.accountid = " . $accountid . 
			ORDER BY o.objectname
			LIMIT 20 OFFSET 0";

        my $object_info_ref = undef;
        eval {
            my $sth=$dbh->prepare($sql);
            $sth->execute();
            $object_info_ref = $sth->fetchall_arrayref();
            $sth->finish();
        };