msgmap: replace id_batch with ids_after

id_batch had a an overly complicated interface, replace it
with id_batch which is simpler and takes advantage of
selectcol_arrayref in DBI.  This allows simplification of
callers and the diffstat agrees with me.

1 files changed, 1 insertions, 0 deletions

diff --git a/t/nntpd.t b/t/nntpd.t
index de781d74..c6e34ed3 100644
--- a/t/nntpd.t
+++ b/t/nntpd.t
@@ -123,6 +123,7 @@ EOF
         my $list = $n->list;
         is_deeply($list, { $group => [ qw(1 1 n) ] }, 'LIST works');
         is_deeply([$n->group($group)], [ qw(0 1 1), $group ], 'GROUP works');
+        is_deeply($n->listgroup($group), [1], 'listgroup OK');
 
         %opts = (
                 PeerAddr => $host_port,