1 files changed, 5 insertions, 0 deletions
diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index 18db9d38..e1abf7ec 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -229,6 +229,11 @@ sub mbox_all {
                  return PublicInbox::WWW::need($ctx, 'Overview');
  
          my $qopts = $ctx->{qopts} = { relevance => -2 }; # ORDER BY docid DESC
+
+        # {threadid} limits results to a given thread
+        # {threads} collapses results from messages in the same thread,
+        # allowing us to use ->expand_thread w/o duplicates in our own code
+        $qopts->{threadid} = $over->mid2tid($ctx->{mid}) if defined($ctx->{mid});
          $qopts->{threads} = 1 if $q->{t};
          $srch->query_approxidate($ctx->{ibx}->git, $q_string);
          my $mset = $srch->mset($q_string, $qopts);