Re: Removing useless DISTINCT clauses

Поиск
Список
Период
Сортировка
От David Rowley
Тема Re: Removing useless DISTINCT clauses
Дата
Msg-id CAKJS1f9WTVS4QNgakS5HqWFKveCAtqds=Q63PKQ64jdZS_BT7A@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Removing useless DISTINCT clauses  (David Rowley <david.rowley@2ndquadrant.com>)
Список pgsql-hackers
On 22 March 2018 at 18:58, David Rowley <david.rowley@2ndquadrant.com> wrote:
> On 21 March 2018 at 16:29, Melanie Plageman <melanieplageman@gmail.com> wrote:
>> The new status of this patch is: Waiting on Author
>
> Thanks for reviewing this.  I've attached an updated patch. I'll set
> back to waiting for review again.

I've attached another version of the patch. The only change is a
thinko in a comment which claimed it may be possible to do something
with DISTINCT ON clauses, but on further thought, I don't think that's
possible, so I've updated the comment to reflect my new thoughts.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Вложения

В списке pgsql-hackers по дате отправления:

Предыдущее
От: Teodor Sigaev
Дата:
Сообщение: Re: Backend memory dump analysis
Следующее
От: David Rowley
Дата:
Сообщение: Re: Removing useless DISTINCT clauses