Re: invalidly encoded strings

Поиск
Список
Период
Сортировка
От Albe Laurenz
Тема Re: invalidly encoded strings
Дата
Msg-id D960CB61B694CF459DCFB4B0128514C22FBDA1@exadv11.host.magwien.gv.at
обсуждение исходный текст
Ответ на invalidly encoded strings  (Andrew Dunstan <andrew@dunslane.net>)
Список pgsql-hackers
Andrew Dunstan wrote:
>> Instead of the code point, I'd prefer the actual encoding of
>> the character as argument to chr() and return value of ascii().
>
> And frankly, I don't know how to do it sanely anyway. A character
> encoding has a fixed byte pattern, but a given byte pattern
> doesn't have
> a single universal number value. I really don't think we want to have
> the value of chr(n) depend on the endianness of the machine, do we?
>
> The reason we are prepared to make an exception for Unicode
> is precisely because the code point maps to an encoding
> pattern independently of architecture, ISTM.

Point taken.

I only wanted to make sure that there are good reasons to
differ from Oracle.

Oracle's chr() is big-endian on all platforms, BTW.

Yours,
Laurenz Albe


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Oleg Bartunov
Дата:
Сообщение: Re: Ts_rank internals
Следующее
От: Zdenek Kotala
Дата:
Сообщение: Re: Per-function search_path => per-function GUC settings