Re: Creating functions and triggers

Whew!  OK, I was wondering why you were dogging on user defined functions,
then answering my argument with what appeared to be a random google search
:-)

On Thu, 8 May 2003, Dennis Gearon wrote:

> My sincere aplogies,
>     My email client must have scrolled one email before I hit reply. I was trying to answer a person who wanted a
certainword in database query to trigger a system call, executing programs external to the database. Somehow, I ended
upanswering your post instead. I'm terribly sorry. 
>
> scott.marlowe wrote:
> > Bzzzzzzzzt. WRONG.  But thanks for playing.
> >
> > Generally speaking, createing triggers and functions to go with
> > them is a safer way of setting up access to your data than allowing Joe Q
> > Programmer full update/insert/delete access.
> >
> > Paul, Bruce Momjian's postgresql book has a nice little section on writing
> > triggers / functions in plpgsql and a few other languages, and there are
> > some examples throughout the docs that show you how to, although they
> > aren't all collected in one place (one example might be in the trigger
> > section, the next in the plpgsql section.)
> >
> > So, Dennis, how do I write a PHP script that does the equivalent of firing
> > an after trigger?
> >
> > On Wed, 7 May 2003, Dennis Gearon wrote:
> >
> >
> >>HOLY S**T!
> >>
> >><rant>
> >>You are basically setting yourself up for a MICROSOFT sized security
> >>hole. Can you say, "Seeqwell Server?"
> >>
> >>You'd be MUCH better off using a PHP, PERL, ASP, JAVA, COLD FUSION, etc.
> >>script for doing that. THOSE places are the focus for much work in
> >>preventing the misuse of system resources from an end user perspective.
> >>
> >>DATABASES are for holding data, and their relationships.
> >>
> >></rant>
> >>
> >>"Fontenot, Paul" wrote:
> >>
> >>>Is there a good, hold your hand type of tutorial or howto on creating
> >>>functions and triggers and using them together? I'm learning PostgreSQL
> >>>after spending years with MySQL and the information at
> >>>techdocs.postgresql.org - while good, is a little deep for me right now.
> >>>Specificly I would like to be able to read something that will tell me
> >>>how to create a function that will can run a shell script when certain
> >>>words are entered into a record. Thanks for your time and guidance.
> >>>
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