Re: 7.4?
От | Ed L. |
---|---|
Тема | Re: 7.4? |
Дата | |
Msg-id | 200302271421.23383.pgsql@bluepolka.net обсуждение исходный текст |
Ответ на | Re: 7.4? (Andrew Sullivan <andrew@libertyrms.info>) |
Ответы |
Re: 7.4?
Re: 7.4? |
Список | pgsql-general |
On Thursday February 27 2003 12:57, Andrew Sullivan wrote: > > I dunno about dbmirror, but rserv and its bigger cousin both > actually apply the current-as-of-snapshot version of the row (which > means that if you have multiple changes to the same row, you > needn't go through all the iterations when applying the snapshot). > I presume the same is true of dbmirror, since it relies on the > primary key. Unfortunately, dbmirror does go through all the iterations, even if there is no net change. That current-as-of-snapshot capability you describe would be a very useful enhancement. Ed
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