SELECT tid,sid FROM over WHERE num = ? LIMIT 1
defined $tid or return nothing; # $sid may be undef
-
- $prev ||= 0;
- my $cond = 'FROM over WHERE (tid = ? OR sid = ?) AND num > ?';
- my $msgs = do_get($self, <<"", {}, $tid, $sid, $prev);
-SELECT * $cond ORDER BY num ASC
+ my $sort_col = 'ds';
+ $num = 0;
+ if ($prev) {
+ $num = $prev->{num} || 0;
+ $sort_col = 'num';
+ }
+ my $cond = '(tid = ? OR sid = ?) AND num > ?';
+ my $msgs = do_get($self, <<"", {}, $tid, $sid, $num);
+SELECT num,ts,ds,ddd FROM over WHERE $cond ORDER BY $sort_col ASC
return $msgs unless wantarray;
- my $nr = $dbh->selectrow_array(<<"", undef, $tid, $sid, $prev);
-SELECT COUNT(num) $cond
+ my $nr = $dbh->selectrow_array(<<"", undef, $tid, $sid, $num);
+SELECT COUNT(num) FROM over WHERE $cond
($nr, $msgs);
}