Re: Some thoughts on replication
От | Bruce Momjian |
---|---|
Тема | Re: Some thoughts on replication |
Дата | |
Msg-id | 200101271812.NAA11578@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Some thoughts on replication (Dirk Heinrichs <heini@chaos.tng.oche.de>) |
Список | pgsql-admin |
> Am Samstag, 27. Januar 2001 00:20 schrieb Bruce Momjian: > > > Have you looked at the replication code that is in contrib? > > > > Yes, your description sounds just like it. > > Hmm, which of the two? The trigger mechanism? The triggers. > > In the meantime, a third solution came to my mind: > > In case somebody has to take a database with him on a laptop, it is hard to > do replication and avoid conflicts. I once saw an insurance application, > based on FoxPro, where the insurance agents could select the data of the > customers he wanted to visit and and create a so called child database, which > had exactly he same tables as the "mother" and exactly those rows with data > related to the selected customers. Those rows where the marked as readonly in > the mother database, so that only the data in the child db could be changed. > Later, the changes in th child db was reintegrated into the mother db and the > child was deleted. Yes, that is a data partitioning feature of replication. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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