Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql

Поиск
Список
Период
Сортировка
От Robert Haas
Тема Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql
Дата
Msg-id AANLkTinrMvssbipxPe4uV-PT1NmAOme0kZhfyod3eySn@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Pavel Stehule <pavel.stehule@gmail.com>)
Ответы Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Pavel Stehule <pavel.stehule@gmail.com>)
Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Tue, Jan 18, 2011 at 5:22 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> opinion isn't strong in this topic. One or twenty useless detoasting
> isn't really significant in almost use cases (problem is thousands
> detoasting).

Yeah.  Many-times-repeated detoasting is really bad, and this is not
the only place in the backend where we have this problem.  :-(

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Robert Haas
Дата:
Сообщение: Re: limiting hint bit I/O
Следующее
От: Tom Lane
Дата:
Сообщение: Re: limiting hint bit I/O