| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Greg Smith <greg(dot)smith(at)crunchydatasolutions(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Subject: | Re: Prohibit row-security + inheritance in 9.4? |
| Date: | 2014-01-31 00:37:52 |
| Message-ID: | 52EAF060.9050903@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 01/31/2014 01:18 AM, Robert Haas wrote:
> On Thu, Jan 30, 2014 at 2:39 AM, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:
>> Earlier discussions seemed to settle on each relation having its own
>> row-security quals applied independently. So quals on a parent rel did
>> not cascade down to child rels.
>
> Do you have a link to that prior discussion?
Not to hand; I'm basing that on discussion with KaiGai, and on the
implementation of his RLS patch. The patch goes far out of its way to
ensure that policies on a parent relation aren't applied to children,
only to rows taken directly from the parent.
I read some discussion on the topic when I was first reviewing all the
old threads for this, but didn't see anything that seemed to
conclusively decide on that approach.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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