Re: security label support, part.2

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: security label support, part.2
Date: 2010-07-23 12:32:34
Message-ID: 20100723123234.GM21875@tamriel.snowman.net
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* Robert Haas (robertmhaas(at)gmail(dot)com) wrote:
> I don't understand why we wouldn't be able to support multiple
> providers for row-level security. Why do you think that's a problem?

My guess would be that he's concerned about only having space in the
tuple header for 1 label. I see two answers- only allow 1 provider for
a given relation (doesn't strike me as a horrible limitation), or handle
labels as extra columns where you could have more than one.

Thanks,

Stephen

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