From: | Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com> |
---|---|
To: | Stephen Frost <sfrost(at)snowman(dot)net> |
Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
Subject: | Re: Role Self-Administration |
Date: | 2021-10-06 17:28:35 |
Message-ID: | 1F1613AE-AE58-4F45-9C4D-F97D1B49928D@enterprisedb.com |
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Lists: | pgsql-hackers |
> On Oct 6, 2021, at 10:20 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>
> Consistency is not having dangling pointers around to things which no
> longer exist- FK reference kind of things. Object management is about
> actual *removal* of full blown objects like roles, tables, etc. DROP
> TABLE ... CASCADE doesn't drop tables which haven an FK dependency on
> the dropped table, the FK is just removed.
Right, but DROP SCHEMA ... CASCADE does remove the tables within, no? I would see alice being a member of role bob as being analogous to the foreign key example, and charlie being owned by bob as being more like the table within a schema.
I'm fine with using a different syntax for this if what i'm proposing violates the spec. I'm just trying to wrap my head around how to interpret the spec (of which i have no copy, mind you.) I'm trying to distinguish between statements like X SHALL DO Y and X SHALL DO NOTHING BUT Y. I don't know if the spec contains a concept of roles owning other roles, and if not, does it forbid that concept? I should think that if that concept is a postgres extension not present in the spec, then we can make it do anything we want.
—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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