I don't have a test for this but I'm sure that was an error

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index de4e131..217a228 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -902,7 +902,7 @@ sub _recurse_where {
   # Special case: top level simple string treated as literal
 
   my $where_exp = (ref($where)
-                    ? $self->expand_expr($where, $logic)
+                    ? $self->_expand_expr($where, $logic)
                     : { -literal => [ $where ] });
 
   # dispatch expanded expression