Re: Inheritance
От | Alvaro Herrera |
---|---|
Тема | Re: Inheritance |
Дата | |
Msg-id | 20160523223125.GA406761@alvherre.pgsql обсуждение исходный текст |
Ответ на | Re: Inheritance (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Tom Lane wrote: > My feeling about it is that we need to provide a partitioning feature > that doesn't rely on the current notion of inheritance at all. We've > heard from multiple users who want to use large numbers of partitions, > enough that simply having a separate relcache entry for each partition > would be a performance problem, never mind the current approach to > planning queries over inheritance trees. So the partitions need to be > objects much simpler than full-fledged tables. Sorry to hijack the thread, but I agree on this, and I'm worried that the patch being floated for partitioning may paint us on a corner from which it may be difficult to get out. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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