SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Literal \'HEX NORMAL DBL MAX\'
    Literal Float64_1.7976931348623157e308
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Literal Float64_1.7976931348623157e308
