| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Petr Jelinek <pjmodos(at)pjmodos(dot)net> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, "Jan Urban'ski" <wulczer(at)wulczer(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] DefaultACLs |
| Date: | 2009-09-29 15:05:36 |
| Message-ID: | 9440.1254236736@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Petr Jelinek <pjmodos(at)pjmodos(dot)net> writes:
> That's how it works now actually, the problem is that when you grant
> something in the chain you can't revoke it anywhere else in the chain
> when you are merging privileges as you proposed.
To allow that, you have to have some notion of a priority order among
the available defaults, so that you can sensibly say that A should
override B. Which is easy as long as they've got hierarchical scopes,
but that doesn't seem like a restriction that will hold good for future
extensions.
regards, tom lane
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