SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function toFixedString (alias value) (children 1)
     ExpressionList (children 2)
      Literal \'::1\'
      Literal UInt64_3
    Function CAST (children 1)
     ExpressionList (children 2)
      Identifier value
      Literal \'IPv6\'
    Function toIPv6 (children 1)
     ExpressionList (children 1)
      Identifier value
