Re: Declarative partitioning optimization for large amountof partitions
От | Simon Riggs |
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Тема | Re: Declarative partitioning optimization for large amountof partitions |
Дата | |
Msg-id | CANP8+jJE+OwWei0CRX4cRwY-a_+ze58h-dfVNOG20DM=qBpOhA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] Declarative partitioning optimization for large amountof partitions (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>) |
Ответы |
Re: Declarative partitioning optimization for large amountof partitions
Re: Declarative partitioning optimization for large amountof partitions |
Список | pgsql-hackers |
On 1 March 2017 at 01:36, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> wrote: > I don't know which way you're thinking of fixing this, but a planner patch > to implement faster partition-pruning will have taken care of this, I > think. As you may know, even declarative partitioned tables currently > depend on constraint exclusion for partition-pruning and planner's current > approach of handling inheritance requires to open all the child tables > (partitions), whereas the new approach hopefully shouldn't need to do > that. I am not sure if looking for a more localized fix for this would be > worthwhile, although I may be wrong. What "new approach" are we discussing? Is there a patch or design discussion? -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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