Re: immutable functions vs. join for lookups ?
От | Enrico Weigelt |
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Тема | Re: immutable functions vs. join for lookups ? |
Дата | |
Msg-id | 20050421192226.GB16548@nibiru.borg.metux.de обсуждение исходный текст |
Ответ на | Re: immutable functions vs. join for lookups ? (Jaime Casanova <systemguards@gmail.com>) |
Ответы |
Re: immutable functions vs. join for lookups ?
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Список | pgsql-performance |
* Jaime Casanova <systemguards@gmail.com> wrote: <snip> > Even if your data never changes it *can* change so the function should > be at most stable not immutable. okay, the planner sees that the table could potentionally change. but - as the dba - I'd like to tell him, this table *never* changes in practise (or at most there will be an insert once a year) isnt there any way to enforce the function to be really immutable ? cu -- --------------------------------------------------------------------- Enrico Weigelt == metux IT service phone: +49 36207 519931 www: http://www.metux.de/ fax: +49 36207 519932 email: contact@metux.de cellphone: +49 174 7066481 --------------------------------------------------------------------- -- DSL ab 0 Euro. -- statische IP -- UUCP -- Hosting -- Webshops -- ---------------------------------------------------------------------
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