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-rw-r--r--lib/PublicInbox/SearchIdx.pm9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index b731f698..cf2c2c55 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -501,17 +501,18 @@ sub remove_eidx_info {
         $self->{xdb}->replace_document($docid, $doc);
 }
 
-sub get_val ($$) {
+sub int_val ($$) {
         my ($doc, $col) = @_;
-        sortable_unserialise($doc->get_value($col));
+        my $val = $doc->get_value($col) or return; # undefined is '' in Xapian
+        sortable_unserialise($val) + 0; # PV => IV conversion
 }
 
 sub smsg_from_doc ($) {
         my ($doc) = @_;
         my $data = $doc->get_data or return;
         my $smsg = bless {}, 'PublicInbox::Smsg';
-        $smsg->{ts} = get_val($doc, PublicInbox::Search::TS());
-        my $dt = get_val($doc, PublicInbox::Search::DT());
+        $smsg->{ts} = int_val($doc, PublicInbox::Search::TS());
+        my $dt = int_val($doc, PublicInbox::Search::DT());
         my ($yyyy, $mon, $dd, $hh, $mm, $ss) = unpack('A4A2A2A2A2A2', $dt);
         $smsg->{ds} = timegm($ss, $mm, $hh, $dd, $mon - 1, $yyyy);
         $smsg->load_from_data($data);