Re: unclear about row-level security USING vs. CHECK

I had not seen this.

> -----Original Message-----
> From: pgsql-hackers-owner@postgresql.org [mailto:pgsql-hackers-owner@postgresql.org] On Behalf Of Robert Haas
> Sent: Montag, 28. September 2015 21:43
> To: Stephen Frost <sfrost@snowman.net>
> Cc: Peter Eisentraut <peter_e@gmx.net>; pgsql-hackers <pgsql-hackers@postgresql.org>; Charles Clavadetscher
> <clavadetscher@swisspug.org>
> Subject: Re: [HACKERS] unclear about row-level security USING vs. CHECK
>
> On Mon, Sep 28, 2015 at 3:15 PM, Stephen Frost <sfrost@snowman.net> wrote:
> > I listed out the various alternatives but didn't end up getting any
> > responses to it.  I'm still of the opinion that the documentation is the
> > main thing which needs improving here, but we can also change CREATE
> > POLICY, et al, to require an explicit WITH CHECK clause for the commands
> > where that makes sense if that's the consensus.
>
> My vote is to remove the behavior where USING flows over to WITH
> CHECK.  So you only get a WITH CHECK policy if you explicitly specify
> one.
>
> If there's some other consensus, OK, but tempus fugit.

If the behaviof of USING doesn't flow to WITH CHECK is the same as making WITH CHECK mandatory for ALL and UPDATE, I
guess.Otherwise there would be a partially unspecified behavior. Or am I misunderstanding your idea? 

Charles