| From: | "Brightwell, Adam" <adam(dot)brightwell(at)crunchydatasolutions(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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 02:04:27 |
| Message-ID: | CAKRt6CSsPxwb2i8g2P+6NWO2GwmdCqLdTaKcYLgTZ=cDiUWjYQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
Stephen,
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)
>
Yes, I just tested it and the following would work from a grammar
perspective:
ALTER TABLE <table_name> POLICY ADD <policy_name> (policy_quals)
ALTER TABLE <table_name> POLICY DROP <policy_name>
Though, it would obviously require the addition of POLICY to the list of
unreserved keywords. I don't suspect that would be a concern, as it is not
"reserved", but thought I would point it out just in case.
Another thought I had was, would we also want the following, so that
policies could be modified?
ALTER TABLE <table_name> POLICY ALTER <policy_name> (policy_quals)
Thanks,
Adam
--
Adam Brightwell - adam(dot)brightwell(at)crunchydatasolutions(dot)com
Database Engineer - www.crunchydatasolutions.com
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