SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function toTypeName (children 1)
       ExpressionList (children 1)
        Function today (children 1)
         ExpressionList
      Literal \'Date\'