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
>
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--
Bruce Momjian | http://candle.pha.pa.us
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