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Re: [YANG] mandatory & default

Balazs Lengyel <balazs.lengyel@ericsson.com> Mon, 28 January 2008 08:24 UTC

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Date: Mon, 28 Jan 2008 09:24:40 +0100
From: Balazs Lengyel <balazs.lengyel@ericsson.com>
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To: Andy Bierman <ietf@andybierman.com>
Subject: Re: [YANG] mandatory & default
References: <4799FD8F.1090402@andybierman.com> <479A002E.3070708@ericsson.com> <479A1918.2040203@andybierman.com>
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See below!

Andy Bierman wrote:
> - default-value: means if the leaf does not exist, the server will use
> this value internally, but the leaf really does not exist. Can not be
> used with mandatory. "Must" statements consider the leaf not-existing but
> we introduce a special hasDefault() function. Or alternatively as a
> CLR "must" considers the leaf existing.)
> 
> ------
> 
[BALAZS]: Using the with-defaults statement you will get back the non-existing default even 
though the leaf "set" only by the default value does not exist.
Balazs
> IMO, this 'default-value' is unacceptable.
> A manager application may need to retrieve all the nodes that
> exist in the database.  


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