Re: Partitioning Option?
От | Bruno Wolff III |
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Тема | Re: Partitioning Option? |
Дата | |
Msg-id | 20050223194842.GB20776@wolff.to обсуждение исходный текст |
Ответ на | Re: Partitioning Option? ("Tomeh, Husam" <htomeh@firstam.com>) |
Список | pgsql-admin |
On Wed, Feb 23, 2005 at 10:54:50 -0800, "Tomeh, Husam" <htomeh@firstam.com> wrote: > Thanks Josh, I'll check out the namespace concept. > > (I was referring to object partitioning. For instance, if I have a huge > table with US counties as my partition key, I could create partitions > within the same table based on the partition key (a US county for > example). When querying, the engine will access the partition instead of > the whole table to get the result set. This is provided in Oracle DB EE. > So, I was wondering whether I can do similar thing in PostgreSQL since > we're exploring PostgreSQL) You have to do it by hand and you won't get the full savings. The idea is to create tables for each partition. Then create a UNION ALL view of the tables, incorporating the key condition that applies for each table.
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