On Wed, Jan 11, 2023 at 09:04:56AM +0000, Jelte Fennema wrote:
> It's very different. I think easiest is to explain by example:
> 
> If there exist three users on the postgres server: admin, jelte and michael
> 
> Then this rule (your suggested rule):
> mapname /^(.*)$ \1
> 
> Is equivalent to:
> mapname admin admin
> mapname jelte jelte
> mapname michael michael
> 
> While with the "all" keyword you can create a rule like this:
> mapname admin all
> 
> which is equivalent to:
> mapname admin admin
> mapname admin jelte
> mapname admin michael

Thanks for the explanation, I was missing your point.  Hmm.  On top
of my mind, couldn't we also use a regexp for the pg-role rather than
just a hardcoded keyword here then, so as it would be possible to
allow a mapping to pass for a group of role names?  "all" is just a
pattern to allow everything, at the end.
--
Michael

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