Обсуждение: groups in postgres

I building an application that will load data on a database by lots of 
people. So I thought about putting them in a group and giving priviledges to 
the group.

The problem is the the information on the main table is related with fields 
of other tables, and depending on how it's related, I want some users to be 
able to modify the data and I don't want those users to insert new data if 
the relation is right for them.

Am I clear up to know?

Now, how can I do this? Is it posible manipulating groups? Or do I have to 
play with triggers.

Saludos... :-)

-- 
El mejor sistema operativo es aquel que te da de comer.
Cuida tu dieta.
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Martin Marques                  |        mmarques@unl.edu.ar
Programador, Administrador      |       Centro de Telematica                      Universidad Nacional
        del Litoral
 
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Mart�n Marqu�s <martin@bugs.unl.edu.ar> said:

> I building an application that will load data on a database by lots of 
> people. So I thought about putting them in a group and giving priviledges to 
> the group.
> 
> The problem is the the information on the main table is related with fields 
> of other tables, and depending on how it's related, I want some users to be 
> able to modify the data and I don't want those users to insert new data if 
> the relation is right for them.
> 
> Am I clear up to know?
> 
> Now, how can I do this? Is it posible manipulating groups? Or do I have to 
> play with triggers.

Sounds like you want different groups for different users, and a view for each
group. You can then define rules for each view defining the access that is
available.

Is that what you're after?

- Richard Huxton

On Jue 19 Abr 2001 11:12, Richard Huxton wrote:
> Martín Marqués <martin@bugs.unl.edu.ar> said:
> > I building an application that will load data on a database by lots of
> > people. So I thought about putting them in a group and giving priviledges
> > to the group.
> >
> > The problem is the the information on the main table is related with
> > fields of other tables, and depending on how it's related, I want some
> > users to be able to modify the data and I don't want those users to
> > insert new data if the relation is right for them.
> >
> > Am I clear up to know?
> >
> > Now, how can I do this? Is it posible manipulating groups? Or do I have
> > to play with triggers.
>
> Sounds like you want different groups for different users, and a view for
> each group. You can then define rules for each view defining the access
> that is available.

They're gonna be groups of users, which will be loading data related to there 
group. I don't want the users from one group to load data related to other 
groups. And there is going to be a super-group that can change anything.

I'm not sure about the views and rules. Never used them. I'll check it out. 
;-)

Saludos... :-)

-- 
El mejor sistema operativo es aquel que te da de comer.
Cuida tu dieta.
-----------------------------------------------------------------
Martin Marques                  |        mmarques@unl.edu.ar
Programador, Administrador      |       Centro de Telematica                      Universidad Nacional
        del Litoral
 
-----------------------------------------------------------------