spec/helpers/ast.rb in alf-sql-0.15.0 vs spec/helpers/ast.rb in alf-sql-0.16.0

@@ -26,10 +26,10 @@
 
     def intersect(left = select_all, right = select_all_t2)
       sexpr [:intersect, distinct, left, right]
     end
 
-    def select_is_table_dee(where)
+    def select_is_table_dee(where = nil)
       exists = Alf::Predicate::Grammar.sexpr([:exists, where])
       sexpr [:select_exp, all,
               [:select_list,
                 [:select_item,
                   [:literal, true],