Re: weird behaviour on DISTINCT ON

Поиск
Список
Период
Сортировка
От Gaetano Mendola
Тема Re: weird behaviour on DISTINCT ON
Дата
Msg-id 41FFC7D0.1080702@mbigroup.it
обсуждение исходный текст
Ответ на Re: weird behaviour on DISTINCT ON  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Tom Lane wrote:
| Gaetano Mendola <mendola@bigfoot.com> writes:
|
|>my warning was due the fact that in the docs is written nowhere this
|>drawback.
|
|
| The SELECT reference page already says that the output rows are computed
| before applying ORDER BY or DISTINCT.
|
|             regards, tom lane

True. I had to say my self: RTFM.


Regards
Gaetano Mendola





-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (MingW32)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFB/8fP7UpzwH2SGd4RAhpFAJ9x3jhMzJ3f94wnlN1DbxRNRQvOzACfXtVp
+Zg1pVO7SsETwUx6fxCl7qw=
=Q5EW
-----END PGP SIGNATURE-----



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: subselects in the target list
Следующее
От: Martin Pitt
Дата:
Сообщение: Re: libpq API incompatibility between 7.4 and 8.0