Robert Haas wrote:
> On Wed, Mar 11, 2015 at 1:32 PM, Greg Stark <stark@mit.edu> wrote:
> > I think what we have here is already a good semantic representation. It
> > doesn't handle all the corner cases but those corner cases are a) very
> > unlikely and b) easy to check for. A tool can check for any users starting
> > with + or named "all" or any databases called "sameuser" or "samerole". If
> > they exist then the view isn't good enough to reconstruct the raw file. But
> > they're very unlikely to exist, I've never heard of anyone with such things
> > and can't imagine why someone would make them.
>
> -1. Like Peter, I think this is a bad plan. Somebody looking at the
> view should be able to understand with 100% confidence, and without
> additional parsing, what the semantics of the pg_hba.conf file are.
> Saying "those cases are unlikely so we're not going to handle them" is
> really selling ourselves short.
+1 what Robert said. I think the additional "keyword" columns are a
good solution to the issue.
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Álvaro Herrera http://www.2ndQuadrant.com/
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