Re: weird behaviour on DISTINCT ON

From: Gaetano Mendola <gmendola(at)mbigroup(dot)it>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Gaetano Mendola <mendola(at)bigfoot(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: weird behaviour on DISTINCT ON
Date: 2005-02-01 18:17:52
Message-ID: 41FFC7D0.1080702@mbigroup.it
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Tom Lane wrote:
| Gaetano Mendola <mendola(at)bigfoot(dot)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

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