Re: [Rtg-yang-coord] Restrictions on list keys

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mon, 02 March 2015 05:56 UTC

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Date: Mon, 02 Mar 2015 06:56:49 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Mahesh Jethanandani <mjethanandani@gmail.com>
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Subject: Re: [Rtg-yang-coord] Restrictions on list keys
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On Sun, Mar 01, 2015 at 08:32:11PM -0800, Mahesh Jethanandani wrote:
> Juergen,
> 
> I did read that section but it was not clear to me. So here are some examples.
> 
> list foo {
>       // Assuming one of these forms the key ...
>       key “x y”; // is this valid?

yes

>       key “x z”;  // is this valid?

if the list is config true, no

>       key  “mode”; // is this valid? If not, how would I define a key for a choice statement?

YANG 1.0 does not allow to have optional elements in a key.

>       leaf x {
>            type uint16;
>       }
> 
>       leaf y {
>           type uint8;
>       }
> 
>       leaf z {
>            type uint8;
>            config false;
>       }
> 
>       choice mode {
>             case a {
>                    leaf p {
>                         type uint16;
>                    }
>            }
>  
>            case b {
>                    leaf q {
>                          type uint8;
>                   }
>            }
>       }
> }
> 
> > On Mar 1, 2015, at 1:43 PM, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
> > 
> > RFC 6020 section 7.8.2:
> > 
> >   All key leafs in a list MUST have the same value for their "config"
> >   as the list itself.
> > 
> > /js
> > 
> > On Sun, Mar 01, 2015 at 07:59:53AM -0500, Mahesh Jethanandani wrote:
> >> Pardon if these questions have already been asked.
> >> 
> >> Are there restrictions on the following use of keys in lists
> >> 
> >> - a combination of rw and ro leafs
> >> - a ro leaf
> >> - a union of of leafs
> >> 
> >> Mahesh Jethanandani
> >> mjethanandani@gmail.com
> >> 
> >> _______________________________________________
> >> Rtg-yang-coord mailing list
> >> Rtg-yang-coord@ietf.org
> >> https://www.ietf.org/mailman/listinfo/rtg-yang-coord
> > 
> > -- 
> > Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> > Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
> > Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>
> 
> Mahesh Jethanandani
> mjethanandani@gmail.com
> 
> 
> 
> 
> 

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>