What about changing empty value in \dp (\z) to {} when priviliges are
really empty and leave column empty for default priviliges as it works
now. I mean the same behaviour as in relacl column in pg_class catalog
? It sound simplest for me:
empty string - default privileges
{} - no privileges
{postgres=arwdxt/postgres} - some privileges
"If the "Access privileges" column is empty for a given object, it
means the object has default privileges (that is, its privileges
column is null)."
from: http://www.postgresql.org/docs/9.0/static/sql-grant.html
I agree that "default" sounds more descriptive than "", but empty
string works for me too (especially with clear documentation on that).
Regards,
Grzegorz Szpetkowski
2011/5/13 Tom Lane <t...@sss.pgh.pa.us>:
> "psql \dp showing empty Access privileges column for {}"
> <gszpetkow...@gmail.com> writes:
>> Description: There is no difference between default and empty access
>> privileges with \dp
>
> Yeah. It's been like that since forever, and nobody's complained
> before, possibly because revoking all privileges for everybody isn't
> a particularly useful real-world case.
>
> One possibility is to start showing "default" when the ACL is null,
> which would be quite easy to implement:
>
> COALESCE(array_to_string(c.relacl, E'\n'), 'default')
>
> But that might be too big a change. Or we could take the opposite
> tack of changing the display in the no-privileges case; but I don't
> see a similarly compact way to do that.
>
> regards, tom lane
>
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