lib/bmg/sql/nodes/set_operator.rb in bmg-0.12.0 vs lib/bmg/sql/nodes/set_operator.rb in bmg-0.13.0

@@ -1,15 +1,15 @@
 module Bmg
   module Sql
     module SetOperator
       include Expr
 
-      def left
+      def head_expr
         self[2]
       end
 
-      def right
-        self[3]
+      def tail_exprs
+        self[3..-1]
       end
 
       def set_quantifier
         self[1]
       end