my $dbh = $self->connect;
my $lim = (($opts->{limit} || 0) + 0) || 1000;
my $off = (($opts->{offset} || 0) + 0) || 0;
- $sql .= "LIMIT $lim OFFSET $off";
+ $sql .= "LIMIT $lim";
+ $sql .= " OFFSET $off" if $off > 0;
my $msgs = $dbh->selectall_arrayref($sql, { Slice => {} }, @args);
load_from_row($_) for @$msgs;
$msgs
}
sub query_xover {
- my ($self, $beg, $end, $off) = @_;
- do_get($self, <<'', { offset => $off }, $beg, $end);
+ my ($self, $beg, $end) = @_;
+ do_get($self, <<'', {}, $beg, $end);
SELECT * FROM over WHERE num >= ? AND num <= ?
ORDER BY num ASC
}
sub query_ts {
- my ($self, $ts, $opts) = @_;
- do_get($self, <<'', $opts, $ts);
-SELECT * FROM over WHERE num > 0 AND ts >= ?
-ORDER BY ts ASC
+ my ($self, $ts, $prev) = @_;
+ do_get($self, <<'', {}, $ts, $prev);
+SELECT num,ddd FROM over WHERE ts >= ? AND num > ?
+ORDER BY num ASC
}
+sub nothing () { wantarray ? (0, []) : [] };
+
sub get_thread {
my ($self, $mid, $opts) = @_;
my $dbh = $self->connect;
- my ($tid, $sid) = $dbh->selectrow_array(<<'', undef, $mid);
-SELECT tid,sid FROM over
-LEFT JOIN id2num ON over.num = id2num.num
-LEFT JOIN msgid ON id2num.id = msgid.id
-WHERE msgid.mid = ? AND over.num > 0
-LIMIT 1
+
+ my $id = $dbh->selectrow_array(<<'', undef, $mid);
+SELECT id FROM msgid WHERE mid = ? LIMIT 1
+
+ defined $id or return nothing;
+
+ my $num = $dbh->selectrow_array(<<'', undef, $id);
+SELECT num FROM id2num WHERE id = ? AND num > 0
+ORDER BY num ASC LIMIT 1
+
+ defined $num or return nothing;
+
+ my ($tid, $sid) = $dbh->selectrow_array(<<'', undef, $num);
+SELECT tid,sid FROM over WHERE num = ? LIMIT 1
+
+ defined $tid or return nothing; # $sid may be undef
my $cond = 'FROM over WHERE (tid = ? OR sid = ?) AND num > 0';
my $msgs = do_get($self, <<"", $opts, $tid, $sid);
-SELECT * $cond
-ORDER BY ts ASC
+SELECT * $cond ORDER BY ts ASC
return $msgs unless wantarray;
}
sub recent {
- my ($self, $opts) = @_;
- my $msgs = do_get($self, <<'', $opts);
-SELECT * FROM over WHERE num > 0
-ORDER BY ts DESC
+ my ($self, $opts, $after, $before) = @_;
+ my ($s, @v);
+ if (defined($before)) {
+ if (defined($after)) {
+ $s = 'num > 0 AND ts >= ? AND ts <= ? ORDER BY ts DESC';
+ @v = ($after, $before);
+ } else {
+ $s = 'num > 0 AND ts <= ? ORDER BY ts DESC';
+ @v = ($before);
+ }
+ } else {
+ if (defined($after)) {
+ $s = 'num > 0 AND ts >= ? ORDER BY ts ASC';
+ @v = ($after);
+ } else {
+ $s = 'num > 0 ORDER BY ts DESC';
+ }
+ }
+ my $msgs = do_get($self, <<"", $opts, @v);
+SELECT * FROM over WHERE $s
return $msgs unless wantarray;