Re: PostgreSQL Security/Roles/Grants

Andrew,

* Andrew Hall (andrewah(at)hotmail(dot)com) wrote:
> 2. Non-default role -> a role which has to be explicitly activated during the lifecycle of an application in order to gain access to database resources. There are no limits on the number of non-default roles. This type of role helps us to only provide a user with the minimal set of privileges that they require at any given time, and minimise their access to database resources.
>
> I have looked through the PostgreSQL documentation, and cannot find anything analogous to the 'non-default role' which I have outlined above - although obviously it does support roles.
>
> I just want to confirm that all roles in postgreSQL are activated at login time?

No. You need to read the documentation on the 'noinherit' attribute of
roles.

See:

http://www.postgresql.org/docs/8.4/static/role-membership.html

> Secondly, is there a limit on the number of roles which can be assigned to a user (or more accurately a 'login role') in postgreSQL?

No.

Thanks,

Stephen