Josep Sanmartí wrote:
> Hi,
>
> readding around I just found this:
> The CREATE TRIGGER statement in PostgreSQL implements a subset of the
> SQL99 standard. (There are no provisions for triggers in SQL92.) The
> following functionality IS MISSING:
> * SQL99 allows triggers to fire on updates to specific columns (e.g.,
> AFTER UPDATE OF col1, col2).
> * .....
>
> Does anybody know if that's true on version postgresql (PostgreSQL)
> 8.1.2? Because I don't actually know from what version that sentence is.
Yes it is true for the current version.
Up-to-date documentation always ships with a release and is also
available on the website.
-- Richard Huxton Archonet Ltd
