Re: What constitutes a complex query

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От Scott Marlowe
Тема Re: What constitutes a complex query
Дата
Msg-id dcc563d10805061037t6466b766t66ede75d876f2847@mail.gmail.com
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Ответ на Re: What constitutes a complex query  (Justin <justin@emproshunts.com>)
Список pgsql-performance
On Tue, May 6, 2008 at 11:23 AM, Justin <justin@emproshunts.com> wrote:
>
>
>  Craig James wrote:
>
> > Justin wrote:
> >
> > > This falls under the stupid question and i'm just curious what other
> people think what makes a query complex?
> > >
> >
> > There are two kinds:
> >
> > 1. Hard for Postgres to get the answer.
> >
>  this one

Sometimes, postgresql makes a bad choice on simple queries, so it's
hard to say what all the ones are that postgresql tends to get wrong.
Plus the query planner is under constant improvement thanks to the
folks who find poor planner choices and Tom for making the changes.

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