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Re: BUG #5129: LIMIT not correct.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: pgsql-bugs(at)postgresql(dot)org, "Thach Anh Tran" <myquartz(at)gmail(dot)com>
Subject: Re: BUG #5129: LIMIT not correct.
Date: 2009-10-21 15:19:56
Message-ID: 28379.1256138396@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Andres Freund <andres(at)anarazel(dot)de> writes:
> On Wednesday 21 October 2009 05:37:36 Thach Anh Tran wrote:
>> the LIMIT clause is not reply correct number of rows and rows returns.

> Read the second caution block in the relevant section of the manual:
> http://www.postgresql.org/docs/current/interactive/sql-select.html#SQL-FOR-
> UPDATE-SHARE

There has been some discussion of changing that, and it might happen for
8.5.  It's essentially impossible to fix in existing releases though,
because changing it requires a major restructuring of the executor.

			regards, tom lane

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