Re: Hmm, nodeUnique doesn't really support backwards scan too well

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: Hmm, nodeUnique doesn't really support backwards scan too well
Дата
Msg-id 20056.1217976008@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Hmm, nodeUnique doesn't really support backwards scan too well  (Simon Riggs <simon@2ndquadrant.com>)
Ответы Re: Hmm, nodeUnique doesn't really support backwards scan too well  ("Jaime Casanova" <jcasanov@systemguards.com.ec>)
Список pgsql-bugs
Дерево обсуждения 
Simon Riggs <simon@2ndquadrant.com> writes:
> I've never seen anyone scan backwards like this at all in practical use.

> I knew it was possible, but never seen it done.

> It seems entirely probable nobody else has either. It's a PostgreSQL
> extension, so people arriving from outside don't even know it exists,

Say again?  Both the SCROLL option to DECLARE CURSOR and FETCH PRIOR are
straight out of the SQL92 spec.

            regards, tom lane

В списке pgsql-bugs по дате отправления:

Предыдущее
От: Simon Riggs
Дата:
Сообщение: Re: Hmm, nodeUnique doesn't really support backwards scan too well
Следующее
От: "Jaime Casanova"
Дата:
Сообщение: Re: Hmm, nodeUnique doesn't really support backwards scan too well