search: remove unnecessary abstractions and functionality

This simplifies the code a bit and reduces the translation
overhead for looking directly at data from tools shipped
with Xapian.

While we're at it, fix thread-all.t :)

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/SearchMsg.pm b/lib/PublicInbox/SearchMsg.pm
index b8eee665..a19d45db 100644
--- a/lib/PublicInbox/SearchMsg.pm
+++ b/lib/PublicInbox/SearchMsg.pm
@@ -14,7 +14,7 @@ use PublicInbox::Address;
 sub new {
         my ($class, $mime) = @_;
         my $doc = Search::Xapian::Document->new;
-        $doc->add_term(PublicInbox::Search::xpfx('type') . 'mail');
+        $doc->add_term('T' . 'mail');
 
         bless { type => 'mail', doc => $doc, mime => $mime }, $class;
 }