Re: weird behaviour on DISTINCT ON - Mailing list pgsql-hackers

From Gaetano Mendola
Subject Re: weird behaviour on DISTINCT ON
Date
Msg-id 41FFC7D0.1080702@mbigroup.it
Whole thread Raw
In response to Re: weird behaviour on DISTINCT ON  (Tom Lane <tgl@sss.pgh.pa.us>)
List 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-----



pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: subselects in the target list
Next
From: Martin Pitt
Date:
Subject: Re: libpq API incompatibility between 7.4 and 8.0