Re: left join performance problem

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От Tom Lane
Тема Re: left join performance problem
Дата
Msg-id 2363.1055769973@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: left join performance problem  ("Jim C. Nasby" <jim@nasby.net>)
Ответы Re: left join performance problem  ("Jim C. Nasby" <jim@nasby.net>)
Список pgsql-performance
"Jim C. Nasby" <jim@nasby.net> writes:
> On Mon, Jun 16, 2003 at 01:28:26AM -0400, Tom Lane wrote:
>> "Jim C. Nasby" <jim@nasby.net> writes:
> Any chance of getting a TODO added that would provide the option of
> having the optimizer pick join order when you're using the ANSI join
> syntax?
>>
>> No ... because it's already DONE.

> DOH, I forgot about the subselect trick. Nevermind.

No, I wasn't talking about that.  See
http://developer.postgresql.org/docs/postgres/explicit-joins.html
for the way it works in CVS tip.

            regards, tom lane

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