extsearchidx: favor 20-byte OID comparison

As with most of our internal-only code, favor smaller
comparisons to reduce memory traffic.

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index eb7c3d67..3a1856c8 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -120,9 +120,8 @@ sub apply_boost ($$) {
                                 ||
                 $a->[1] <=> $b->[1] # break ties with {xnum}
         } @$xr3;
-        my $top_blob = unpack('H*', $xr3->[0]->[2]);
         my $new_smsg = $req->{new_smsg};
-        return if $top_blob ne $new_smsg->{blob}; # loser
+        return if $xr3->[0]->[2] ne pack('H*', $new_smsg->{blob}); # loser
 
         # replace the old smsg with the more boosted one
         $new_smsg->{num} = $smsg->{num};