Re: Avoiding Recheck Cond when using Select Distinct

Поиск
Список
Период
Сортировка
От Vitalii Tymchyshyn
Тема Re: Avoiding Recheck Cond when using Select Distinct
Дата
Msg-id CABWW-d3-k7jnqm2piipjW7bEUbpxA0PnGn+b42ec_CRGqkROYQ@mail.gmail.com
обсуждение исходный текст
Ответ на Avoiding Recheck Cond when using Select Distinct  (jackrg <jack@groundbreakingsoftware.com>)
Ответы Re: Avoiding Recheck Cond when using Select Distinct  (Maciek Sakrejda <m.sakrejda@gmail.com>)
Список pgsql-performance


2013/2/22 jackrg <jack@groundbreakingsoftware.com>
Tuning Postgre is not an option, as the instance
is provided by Heroku and as far as I know cannot be tuned by me.

Most tuning parameters can be set at per-query basis, so you can issue 
alter database set param=value
to have same effect as if it was set through postgresql.conf. 

В списке pgsql-performance по дате отправления:

Предыдущее
От: "Carlo Stonebanks"
Дата:
Сообщение: Re: Are bitmap index scans slow to start?
Следующее
От: Markus Schulz
Дата:
Сообщение: Re: BUG: endless lseek(.., SEEK_END) from select queries on x64 builds