Re: Role incompatibilities

Peter Eisentraut <peter_e@gmx.net> writes:
> My concern here is to arrive at a standards conforming role system.  Clearly 
> we've established that the current one doesn't do it.  Moreover, I'm now 
> convinced that some aspects of the current implementation arose from an 
> attempt to implement the standard but failed because of misunderstandings.  

No, the current implementation is a compromise between exact standards
compatibility and backwards compatibility with our historical "groups"
behavior.  I'm not really prepared to toss the latter overboard.
        regards, tom lane