Re: Another optimizer question

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От Rod Taylor
Тема Re: Another optimizer question
Дата
Msg-id 1075241942.13212.36.camel@jester
обсуждение исходный текст
Ответ на Re: Another optimizer question  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Another optimizer question  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
> As a more direct response, there *are* reasons for people to put ORDER
> BY in a subselect and expect it to be honored.  The typical example
> that's been discussed several times in the archives is that you want to
> use an aggregate function that is sensitive to the ordering of its input

Not to mention our workaround for Max and min (ORDER BY LIMIT)



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