over: ensure old, merged {tid} is really gone

[public-inbox.git] / lib / PublicInbox / OverIdx.pm

diff --git a/lib/PublicInbox/OverIdx.pm b/lib/PublicInbox/OverIdx.pm
index db4b7738dfd602b339072bd8d7b6db31d7e71a54..840e2c2a11aa92047a7fd0c3c51c40ebe7299337 100644 (file)
--- a/lib/PublicInbox/OverIdx.pm
+++ b/lib/PublicInbox/OverIdx.pm
@@ -170,8 +170,14 @@ sub _resolve_mid_to_tid {
                $$tid = $cur_tid;
        } else { # rethreading, queue up dead ghosts
                $$tid = next_tid($self);
-               my $num = $smsg->{num};
-               push(@{$self->{-ghosts_to_delete}}, $num) if $num < 0;
+               my $n = $smsg->{num};
+               if ($n > 0) {
+                       $self->{dbh}->prepare_cached(<<'')->execute($$tid, $n);
+UPDATE over SET tid = ? WHERE num = ?
+
+               } elsif ($n < 0) {
+                       push(@{$self->{-ghosts_to_delete}}, $n);
+               }
        }
        1;
 }
@@ -294,7 +300,7 @@ sub _add_over {
                }
        } elsif ($n < 0) { # ghost
                $$old_tid //= $cur_valid ? $cur_tid : next_tid($self);
-               link_refs($self, $refs, $$old_tid);
+               $$old_tid = link_refs($self, $refs, $$old_tid);
                delete_by_num($self, $n);
                $$v++;
        }