Re: FW: Simple join optimized badly?
От | Jim C. Nasby |
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Тема | Re: FW: Simple join optimized badly? |
Дата | |
Msg-id | 20061012163747.GG28647@nasby.net обсуждение исходный текст |
Ответ на | Re: FW: Simple join optimized badly? (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: FW: Simple join optimized badly?
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Список | pgsql-performance |
On Thu, Oct 12, 2006 at 10:44:20AM -0400, Tom Lane wrote: > "Jim C. Nasby" <jim@nasby.net> writes: > > If someone's going to commit to putting effort into improving the > > planner then that's wonderful. But I can't recall any significant > > planner improvements since min/max (which I'd argue was more of a bug > > fix than an improvement). > > Hmph. Apparently I've wasted most of the last five years. Ok, now that I've actually looked at the release notes, I take that back and apologize. But while there's a lot of improvements that have been made, there's still some seriously tough problems that have been talked about for a long time and there's still no "light at the end of the tunnel", like how to handle multi-column statistics. -- Jim Nasby jim@nasby.net EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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