Re: pg_dump question
| От | Laurette Cisneros |
|---|---|
| Тема | Re: pg_dump question |
| Дата | |
| Msg-id | Pine.LNX.4.33.0201181659100.1800-100000@visor.corp.nextbus.com обсуждение исходный текст |
| Ответ на | Re: pg_dump question (Bruce Momjian <pgman@candle.pha.pa.us>) |
| Список | pgsql-hackers |
This is most execellent! On Fri, 18 Jan 2002, Bruce Momjian wrote: > Laurette Cisneros wrote: > > > > We use pg_dump nightly to dump data from all tables in our databases (only > > table data, makes restore easier, trust me on that). > > > > My question is this: > > > > I have many tables that have millions of rows. > > > > Let's say I start the pg_dump... > > > > Then, an update in a transaction occurs that updates 3 different tables > > over a period of time. > > > > Will some of the pg_dump table data be "out of sync"? > > > > How exactly does pg_dump (if at all) handle transactions/table changes? > > Pg_dump takes a snapshot of the database when it starts to the restore > will be constistent with the start time of pg_dump. Good question. > > -- Laurette Cisneros (510) 420-3137 NextBus Information Systems, Inc. www.nextbus.com Passenger Information Everywhere
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