| From: | Stephen Frost <sfrost(at)snowman(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Brightwell, Adam" <adam(dot)brightwell(at)crunchydatasolutions(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Yeb Havinga <yeb(dot)havinga(at)portavita(dot)nl> |
| Subject: | Re: RLS Design |
| Date: | 2014-07-17 00:49:58 |
| Message-ID: | 20140717004958.GI16422@tamriel.snowman.net |
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| Lists: | pgsql-hackers |
Adam,
* Tom Lane (tgl(at)sss(dot)pgh(dot)pa(dot)us) wrote:
> "Brightwell, Adam" <adam(dot)brightwell(at)crunchydatasolutions(dot)com> writes:
> >> ALTER TABLE table_name ADD POLICY policy_name (quals);
> >> ALTER TABLE table_name POLICY FOR role_name IS policy_name;
> >> ALTER TABLE table_name DROP POLICY policy_name;
[...]
> This actually isn't just bison being stupid: in fact, you simply
> cannot tell whether
>
> ALTER TABLE tab ADD POLICY varchar(42);
>
> is an attempt to add a column named "policy" of type varchar(42), or an
> attempt to add a policy named "varchar" with quals "42".
>
> Pick a different syntax.
Yeah, now that we're trying to bake this into ALTER TABLE we need to be
a bit more cautious. I'd think:
ALTER TABLE tab POLICY ADD ...
Would work though? (note: haven't looked/tested myself)
Thanks!
Stephen
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