Re: [COMMITTERS] pgsql: Add a hook in ExecCheckRTPerms().

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>
To: Stephen Frost <sfrost@snowman.net>
Cc: Robert Haas <rhaas@postgresql.org>, pgsql-hackers@postgresql.org
Date: 2010-07-09T17:12:12Z
Lists: pgsql-hackers
On Fri, 2010-07-09 at 11:09 -0400, Stephen Frost wrote:
> > Strangely, I was looking into removing the ExecCheckRTPerms check
> > altogether by forcing plan invalidation when permissions are
> updated.
> > That would be a performance tweak that would render this change
> useless.
> 
> I don't see how you could remove ExecCheckRTPerms..?  It's what
> handles
> all permissions checking for DML (like, making sure you have SELECT
> rights on the table you're trying to query).  I could see forcing plan
> invalidation when permissions are updated, sure, but that doesn't mean
> you can stop doing them altogether anywhere.  Where would you move the
> permissions checking to?  

I apologise, when I said removing the check altogether, I meant removing
from the executor path.

-- 
 Simon Riggs           www.2ndQuadrant.com
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