Re: questions about very large table and partitioning
От | Erik Jones |
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Тема | Re: questions about very large table and partitioning |
Дата | |
Msg-id | B74980F0-FF23-4461-A3E7-D2CFF5EAA096@myemma.com обсуждение исходный текст |
Ответ на | Re: questions about very large table and partitioning (Enrico Sirola <enrico.sirola@gmail.com>) |
Ответы |
Re: questions about very large table and partitioning
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Список | pgsql-general |
On Feb 18, 2008, at 11:23 AM, Enrico Sirola wrote: > > Il giorno 18/feb/08, alle ore 17:37, fdu.xiaojf@gmail.com ha scritto: >> 1) PostgreSQL only support partition by inheritance, and rules >> have to >> be created for each child table, this will result *a lot of* rules if >> the number of child tables is large. >> >> Are there some smart ways to avoid this kind of mass ? > > you can obtain the same result using a trigger, but you must > replace the trigger function every time you add/remove a partition. This is not strictly true. If you use EXECUTE to run dynamically built INSERT/UPDATE/DELETE statements you don't have to replace the trigger each time. Erik Jones DBA | Emma® erik@myemma.com 800.595.4401 or 615.292.5888 615.292.0777 (fax) Emma helps organizations everywhere communicate & market in style. Visit us online at http://www.myemma.com
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