| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Jean-Luc Lachance <jllachan(at)nsd(dot)ca> |
| Cc: | pgsql-sql <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: Rules/Trigges Trade-offs |
| Date: | 2002-12-06 16:34:37 |
| Message-ID: | 200212061634.gB6GYbt02565@candle.pha.pa.us |
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| Lists: | pgsql-admin pgsql-sql |
My book has a section on that:
http://www.postgresql.org/docs/awbook.html
Triggers are mostly for testing/modifying the row being
inserted/updated, while rules are better for affecting other rows or
other tables.
Jean-Luc Lachance wrote:
> Hi all!
>
> Is there a guideline on the use of rules compared to triggers when both
> can be use to achieve the same result?
>
> JLL
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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