Re: TwoPO: experimental join order algorithm
От | Adriano Lange |
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Тема | Re: TwoPO: experimental join order algorithm |
Дата | |
Msg-id | 4C4CBE93.7060801@gmail.com обсуждение исходный текст |
Ответ на | Re: TwoPO: experimental join order algorithm (Robert Haas <robertmhaas@gmail.com>) |
Ответы |
Re: TwoPO: experimental join order algorithm
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Список | pgsql-hackers |
Em 25-07-2010 17:44, Robert Haas escreveu: > On Sat, Jul 24, 2010 at 9:20 AM, Adriano Lange <alange0001@gmail.com> wrote: >> I'd like to release the last version of my experimental join order >> algorithm (TwoPO - Two Phase Optimization [1]): >> >> http://git.c3sl.ufpr.br/gitweb?p=lbd/ljqo.git;a=summary >> >> This algorithm is not production-ready, but an experimental set of >> ideas, which need to be refined and evaluated. As the join order >> optimization is a hard problem, the evaluation of a search strategy is >> also a hard task. Therefore, I think the most important TODO item >> related to replacement of GEQO algorithm is to define a set of >> evaluation criteria considered as relevant. > > As you may know, we're in the middle of a CommitFest right now; I'd > suggest adding this patch to the next one. > > https://commitfest.postgresql.org/action/commitfest_view/open > > Someone might have time to look at it sooner, but at least if you add > it here we'll not lose track of it. > Yes, I know. This is only a notice, not a patch. As I said, this algorithm is experimental, which do not match with the CommitFest life cycle. -- Adriano Lange
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