Andres Freund <andres@anarazel.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