Re: Parameter for planner estimate of recursive queries
От | Simon Riggs |
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Тема | Re: Parameter for planner estimate of recursive queries |
Дата | |
Msg-id | CANbhV-HTc4=fK4tMb+1UPRLs4MYe9y21cxNbg9nHUGVZWbUBYA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Parameter for planner estimate of recursive queries (Robert Haas <robertmhaas@gmail.com>) |
Ответы |
Re: Parameter for planner estimate of recursive queries
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Список | pgsql-hackers |
On Fri, 28 Jan 2022 at 14:07, Robert Haas <robertmhaas@gmail.com> wrote: > > On Tue, Jan 25, 2022 at 4:44 AM Peter Eisentraut > <peter.eisentraut@enterprisedb.com> wrote: > > On the one hand, this smells like a planner hint. But on the other > > hand, it doesn't look like we will come up with proper graph-aware > > selectivity estimation system any time soon, so just having all graph > > OLTP queries suck until then because the planner hint is hardcoded > > doesn't seem like a better solution. So I think this setting can be ok. > > I agree. It's a bit lame, but seems pretty harmless, and I can't see > us realistically doing a lot better with any reasonable amount of > work. Shall I set this as Ready For Committer? -- Simon Riggs http://www.EnterpriseDB.com/
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