my $mids = search_partial($ibxish, $ctx->{mid}) or next;
push @{$ctx->{partial}}, [ $ibxish, $mids ];
last if ($ctx->{n_partial} += scalar(@$mids)) >= PARTIAL_MAX;
my $mids = search_partial($ibxish, $ctx->{mid}) or next;
push @{$ctx->{partial}}, [ $ibxish, $mids ];
last if ($ctx->{n_partial} += scalar(@$mids)) >= PARTIAL_MAX;