[db-wg] "AND NOT" in as-expression

On Mon, May 12, 2014 at 10:01:44AM +0200, Aris Lambrianidis wrote:

> After tinkering around with import-via/export-via attributes, I
> realised that "AND NOT" is not supported in the as-expression part of
> peering specifications, although it is described in RFC2622 (along
> with the semantically equivalent EXCEPT) and included in example (6)
> of page 25. 
> 
> e.g. currently:
> 
> import: from AS-AMS-IX-PEERS and not AS6777 accept ANY  
> 
> is not supported, while
> 
> import: from AS-AMS-IX-PEERS except AS6777 accept ANY
> 
> is.
> 
> I have raised a ticket with RIPE NCC about it. Also, Job Snijders was
> kind enough to act quickly and provide patches for both irrtoolset and
> whois: https://github.com/RIPE-NCC/whois/pull/237
> http://irrtoolset.isc.org/ticket/48

My question to the community is: does this break your programs or
procedures?

Kind regards,

Job