Re: Is it possible to make the order of output the same as the order of input parameters?

Поиск
Список
Период
Сортировка
От Yeb Havinga
Тема Re: Is it possible to make the order of output the same as the order of input parameters?
Дата
Msg-id 4C067655.7050604@gmail.com
обсуждение исходный текст
Ответ на Re: Is it possible to make the order of output the same as the order of input parameters?  ("m. hvostinski" <makhvost@gmail.com>)
Список pgsql-general
m. hvostinski wrote:
> Thanks to all for the feedback. I keep getting impressed by how
> flexible PostgreSQL is.
>
> Any ideas which query should perform better? I put together all the
> suggested approaches below.
EXPLAIN ANALYZE of these queries in psql should give hard numbers. My
bet is on approach 3 to be the fastest since it does not require a join
node and has shorter target list / memory to move around.

regards
Yeb Havinga


В списке pgsql-general по дате отправления:

Предыдущее
От: "m. hvostinski"
Дата:
Сообщение: Re: Is it possible to make the order of output the same as the order of input parameters?
Следующее
От: David Fetter
Дата:
Сообщение: Re: Is it possible to make the order of output the same as the order of input parameters?