Re: starting a stored procedure+rule AFTER an insert
| От | Bima Djaloeis |
|---|---|
| Тема | Re: starting a stored procedure+rule AFTER an insert |
| Дата | |
| Msg-id | 77f6bcdd0710090051v74bed6b5ncdcbcc8ad8c08e7a@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: starting a stored procedure+rule AFTER an insert (Douglas McNaught <doug@mcnaught.org>) |
| Список | pgsql-general |
Thanks for the reply, is there any online reference / tutorial for this?
-BD
-BD
2007/10/8, Douglas McNaught <doug@mcnaught.org>:
"Bima Djaloeis" <bima.djaloeis.uni@googlemail.com > writes:
> I have implemented a stored procedure that writes out the newest DB
> entry on insert, and combined it with a rule.
>
> 1) create function newcache() returns void AS 'newCache', 'newCache' language
> c;
> 2) create rule newcacherule AS on insert to caches do also select newcache();
>
> The problem is that newcacherule fires BEFORE the insert has taken
> place, so effectively, I always just get the 2nd newest entry to
> write into my text file while the newest entry is "stuck in the
> queue" until a new insert come. How can I execute my rule AFTER the
> insert has taken place?
Rules effectively happen at query parse time. You probably want an
AFTER trigger instead.
-Doug
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