Re: AcquireRewriteLocks/acquireLocksOnSubLinks vs. rowsecurity

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: AcquireRewriteLocks/acquireLocksOnSubLinks vs. rowsecurity
Date: 2015-08-28 15:41:04
Message-ID: 20150828154104.GK3685@tamriel.snowman.net
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* Andres Freund (andres(at)anarazel(dot)de) wrote:
> On 2015-08-28 08:49:24 -0400, Stephen Frost wrote:
> >
> > + /*
> > + * get_row_security_policies just added to securityQuals and/or
> > + * withCheckOptions, and there were SubLinks, so make sure
> > + * we lock any relations which were added as a result.
> > + */
>
> Very minor comment: Strictly speaking the quals/wces haven't yet been
> added to the Query, that happens only few lines down. I think it makes
> sense to mention that we normally rely on the parser to acquire locks,
> but that can't work here since sec quals/wces aren't visible to the
> parser.

Pushed.

Will work on the rewriteTargetView fix.

Thanks!

Stephen

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