Ben,
> I want to have a go at some Triggers. To update summary records of
> accounting data.
>
> I see in the reference manual
>
http://www.de.postgresql.org/users-lounge/docs/7.2/postgres/sql-createconstraint.html
> it makes the comment:
>
> "It is not intended for general use."
>
> Does this mean that there is a problem with triggers I should be aware of?
No, it means that you're in the wrong part of the documentation. You want
"CREATE TRIGGER" not "CREATE CONSTRAINT TRIGGER".
--
-Josh Berkus
Aglio Database Solutions
San Francisco