Re: default attstattarget

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: default attstattarget
Дата
Msg-id 200207311557.g6VFvcd17316@candle.pha.pa.us
обсуждение исходный текст
Ответ на default attstattarget  (nconway@klamath.dyndns.org (Neil Conway))
Список pgsql-patches
Tom Lane will apply this as part of the DROP COLUMN merging.

---------------------------------------------------------------------------

Neil Conway wrote:
> Hi all,
>
> The attached patch implements the pg_attribute.attstattarget scheme
> discussed on -hackers today. A value of "-1" in this column indicates
> that ANALYZE should use the compiled-in default value. This allows
> pg_dump to record and restore any changes made by the DBA to this
> value using ALTER TABLE ALTER COLUMN SET STATISTICS.
>
> I made another small behavioral change: IMHO, silently changing
> stat target values we deem inappropriate (< 0, > 1000) without
> warning the user is a bad idea. I changed the < 0 case to be a
> elog(ERROR) and added an elog(WARNING) for the > 1000, and
> documented the upper bound.
>
> Unless anyone sees any problems, please apply.
>
> Cheers,
>
> Neil
>
> --
> Neil Conway <neilconway@rogers.com>
> PGP Key ID: DB3C29FC

[ Attachment, skipping... ]

>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
>     (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

В списке pgsql-patches по дате отправления:

Предыдущее
От: nconway@klamath.dyndns.org (Neil Conway)
Дата:
Сообщение: Re: lock listing
Следующее
От: Bruce Momjian
Дата:
Сообщение: Re: default attstattarget