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-rw-r--r--lib/PublicInbox/ExtSearchIdx.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index 42488e12..acf35e3d 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -425,13 +425,13 @@ DELETE FROM xref3 WHERE docid NOT IN (SELECT num FROM over)
 
         # fixup from old bugs:
         $nr = $self->{oidx}->dbh->do(<<'');
-DELETE FROM over WHERE num NOT IN (SELECT docid FROM xref3)
+DELETE FROM over WHERE num > 0 AND num NOT IN (SELECT docid FROM xref3)
 
         warn "I: eliminated $nr stale over entries\n" if $nr != 0;
         reindex_checkpoint($self, $sync) if checkpoint_due($sync);
 
         my ($cur) = $self->{oidx}->dbh->selectrow_array(<<EOM);
-SELECT MIN(num) FROM over
+SELECT MIN(num) FROM over WHERE num > 0
 EOM
         $cur // return; # empty
         my ($r, $n, %active);