On Tue, Mar 14, 2017 at 3:37 PM, Petr Jelinek
<petr.jeli...@2ndquadrant.com> wrote:
> On 14/03/17 20:09, Robert Haas wrote:
>> On Tue, Mar 14, 2017 at 2:56 PM, Petr Jelinek
>> <petr.jeli...@2ndquadrant.com> wrote:
>>> Note that I am not necessarily saying it's better though, just trying to
>>> explain. It definitely has drawbacks, as in order to grant publish on
>>> one table you might be granting lots of privileges on various objects by
>>> granting the role. So for granularity purposes Peter's PUBLISH privilege
>>> for tables sounds better to me.
>> I get that.  If, without the patch, letting user X do operation Y will
>> require either giving user X membership in a role that has many
>> privileges, and with the patch, will require only granting a specific
>> privilege on a specific object, then the latter is obviously far
>> better from a security point of view.
>> However, what I'm not clear about is whether this is a situation
>> that's likely to come up much in practice.  I would have thought that
>> publications and subscriptions would typically be configured by roles
>> with quite high levels of privilege anyway, in which case the separate
>> PUBLISH privilege would rarely be used in practice, and might
>> therefore fail to be worth using up a bit.  I might be missing a
>> plausible scenario in which that's not the case, though.
> Yeah that's rather hard to say in front. Maybe safest action would be to
> give the permission to owners in 10 and revisit special privilege in 11
> based on feedback?

I think that would be entirely sensible.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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