SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function bitShiftRight (children 1)
     ExpressionList (children 2)
      Literal \'hola\'
      Function plus (children 1)
       ExpressionList (children 2)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_4
          Literal UInt64_8
        Literal UInt64_1
