searchidx: index eidx_key as a boolean term

Using `O' (owner) here (according Xapian omega's
termprefixes.rst) since we could say the newsgroup or inbox is
the owner of the given message.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 061a8153..5171c610 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -369,6 +369,7 @@ sub add_xapian ($$$$) {
         index_headers($self, $smsg);
 
         if (defined(my $eidx_key = $smsg->{eidx_key})) {
+                $doc->add_boolean_term('O'.$eidx_key);
                 $doc->add_boolean_term('P'.
                                 "$eidx_key:$smsg->{num}:$smsg->{blob}");
         }
@@ -460,6 +461,7 @@ sub add_xref3 {
         begin_txn_lazy($self);
         my $doc = _get_doc($self, $docid, $oid) or return;
         term_generator($self)->set_document($doc);
+        $doc->add_boolean_term('O'.$eidx_key);
         $doc->add_boolean_term('P'."$eidx_key:$xnum:$oid");
         index_list_id($self, $doc, $eml);
         $self->{xdb}->replace_document($docid, $doc);