Another issue: I like the has_role() function and in fact think it needs
to come in multiple variants just like has_table_privilege and friends:
has_role(name, name)
has_role(name, oid)
has_role(oid, name)
has_role(oid, oid)
has_role(name) -- implicitly has_role(current_user, ...)
has_role(oid)
However I'm a bit dubious about whether "has_role" isn't an invasion of
application namespace. pg_has_role would be better, but we have the
(mis) precedent of has_table_privilege. What do you think about calling
it "has_role_privilege"?
regards, tom lane
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TIP 2: Don't 'kill -9' the postmaster
