On Mon, 29 Aug 2005, Hannu Krosing wrote:
>>
>> The only difference is unused table 'place' in FROM-clause. I typed in by
>> mistake, but I think optimizer could figure out not to take into account
>> this table.
>
> This is valid SQL and afaik exactly what you asked for in the query.
> Postgresql can't possibly know that you made a mistake :)
Oh, yes, you're right, of course !
>
>
Regards, Oleg
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Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
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