Re: how many record versions
От | Joe Conway |
---|---|
Тема | Re: how many record versions |
Дата | |
Msg-id | 40B23BAB.8090007@joeconway.com обсуждение исходный текст |
Ответ на | Re: how many record versions (Greg Stark <gsstark@mit.edu>) |
Ответы |
Re: how many record versions
|
Список | pgsql-general |
Greg Stark wrote: > Well this was actually under Oracle, but I can extrapolate to Postgres given > my experience. > > The idea tool for the job is a feature that Postgres has discussed but hasn't > implemented yet, "partitioned tables". Under Oracle with partitioned tables we > were able to drop entire partitions virtually instantaneously. It also made > copying the data out to near-line backups much more efficient than index > scanning as well. I think you can get a similar effect by using inherited tables. Create one "master" table, and then inherit individual "partition" tables from that. Then you can easily create or drop a "partition", while still being able to query the "master" and see all the rows. HTH, Joe
В списке pgsql-general по дате отправления: