Re: First draft of the PG 15 release notes

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: First draft of the PG 15 release notes
Дата
Msg-id YtAzDpzRr+XClgxr@momjian.us
обсуждение исходный текст
Ответ на Re: First draft of the PG 15 release notes  (John Naylor <john.naylor@enterprisedb.com>)
Список pgsql-hackers
On Thu, Jul 14, 2022 at 01:24:41PM +0700, John Naylor wrote:
> Regarding this item:
> 
> "Allow hash lookup for NOT IN clauses with many constants (David Rowley, James
> Coleman)
> Previously the code always sequentially scanned the list of values."
> 
> The todo list has an entry titled "Planning large IN lists", which links to 
> 
> https://www.postgresql.org/message-id/1178821226.6034.63.camel@goldbach
> 
> Did we already have a hash lookup for IN clauses with constants and the above
> commit adds NOT IN? If so, maybe we have enough to remove this todo item.

Agreed, I have removed it now.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Indecision is a decision.  Inaction is an action.  Mark Batterson




В списке pgsql-hackers по дате отправления:

Предыдущее
От: tushar
Дата:
Сообщение: Re: replacing role-level NOINHERIT with a grant-level option
Следующее
От: Tom Lane
Дата:
Сообщение: Re: EINTR in ftruncate()