SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function bin (children 1)
       ExpressionList (children 1)
        Function unbin (children 1)
         ExpressionList (children 1)
          Literal \'\'
      Literal \'\'
