void 
   IPAddressSQLHelper::AppendStatement(SQLStatement &statement, const IPAddress &address, const AnsiString &address1Column, const AnsiString &address2Column) const
   {
      statement.AddColumnInt64(address1Column, address.GetAddress1());
      
      if (address.GetType() == IPAddress::IPV6)
         statement.AddColumnInt64(address2Column, address.GetAddress2());
      else
         statement.AddColumnNULL(address2Column);

   }