Re: Shouldn't non-MULTIBYTE backend refuse to start in MB database?

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: Shouldn't non-MULTIBYTE backend refuse to start in MB database?
Дата
Msg-id 28146.982192504@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Shouldn't non-MULTIBYTE backend refuse to start in MB database?  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: Shouldn't non-MULTIBYTE backend refuse to start in MB database?  (Tatsuo Ishii <t-ishii@sra.co.jp>)
Список pgsql-hackers
Peter Eisentraut <peter_e@gmx.net> writes:
> Tom Lane writes:
>> We now have defenses against running a non-LOCALE-enabled backend in a
>> database that was created in non-C locale.  Shouldn't we likewise
>> prevent a non-MULTIBYTE-enabled backend from running in a database with
>> a multibyte encoding that's not SQL_ASCII?  Or am I missing a reason why
>> that is safe?

> Not all multibyte encodings are actually "multi"-byte, e.g., LATIN2.  In
> that case the main benefit is the on-the-fly recoding between the client
> and the server.  If a non-MB server encounters that database it should
> still work.

Are these encodings all guaranteed to have the same collation order as
SQL_ASCII?  If not, we have the same index corruption issues as for LOCALE.
        regards, tom lane


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: Open 7.1 items
Следующее
От: Thomas Lockhart
Дата:
Сообщение: Re: Open 7.1 items