Re: Partition DB Tables by month
| От | Dani Oderbolz |
|---|---|
| Тема | Re: Partition DB Tables by month |
| Дата | |
| Msg-id | 3F27EF82.6060906@ecologic.de обсуждение исходный текст |
| Ответ на | Re: Partition DB Tables by month ("Mendola Gaetano" <mendola@bigfoot.com>) |
| Список | pgsql-admin |
Mendola Gaetano wrote: > CREATE TABLE foo (field_a > >field_b >...... >fast_search BOOLEAN NOT NULL DEFAULT 1, >time_stamp TIMESTAMPTZ NOT NULL DEFAULT now() >); >CREATE INDEX idx_fast_search ON foo ( fast_search ) where fast_search = 't'; > >for each field to index: >CREATE INDEX idx_field_a ON foo ( field_a ) where fast_search = 't'; >CREATE INDEX idx_field_b ON foo ( field_b ) where fast_search = 't'; > > >at the beginning of each month you can now do: > >UPDATE foo SET fast_search = 'f' >WHERE time_stamp < now() AND >fast_search = 't'; > > I guess we are missunderstanding each other. I meant you were saying that you could have a partial index on a view which does a Union All of may tables (each table contains a Month). But I think thats really not possible. Cheers, Dani
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