add -nest to hashpair expansion

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index e639428..8a543e2 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -557,6 +557,9 @@ sub _expand_expr_hashpair {
       return +{ $k => { $self->{cmp} => $v } };
     }
   }
+  if ($k eq '-nest') {
+    return $self->_expand_expr($v);
+  }
   return { $k => $v };
 }