Re: [netmod] [Technical Errata Reported] RFC7950 (5157)

Martin Bjorklund <mbj@tail-f.com> Mon, 23 October 2017 14:32 UTC

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Date: Mon, 23 Oct 2017 16:30:39 +0200 (CEST)
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To: andy@yumaworks.com
Cc: bclaise@cisco.com, warren@kumari.net, kwatsen@juniper.net, lberger@labn.net, netmod@ietf.org
From: Martin Bjorklund <mbj@tail-f.com>
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Subject: Re: [netmod] [Technical Errata Reported] RFC7950 (5157)
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Andy Bierman <andy@yumaworks.com> wrote:
> On Mon, Oct 23, 2017 at 1:35 AM, Martin Bjorklund <mbj@tail-f.com> wrote:
> 
> > Benoit Claise <bclaise@cisco.com> wrote:
> > > Dear all,
> > >
> > > Shall I validate this one?
> >
> > No I don't think this is correct.  We choose a quoted string to be
> > able to correctly represent all YANG integer and decimal64 values.
> > Note that XPath doesn't have integers, just 64-bit floats.  This means
> > that not all 64-bit integers can be expressed as numbers in XPath.
> >
> >
> It's OK to leave this out since it requires a code change.
> 
> 
> Read sec. 2.3 again:

Wrong thread?

> The node test text() is true for any text node.

Sure, but a node test is not a predicate!


/martin



> 
> 
> 
> 
> >
> > /martin
> >
> >
> 
> Andy
> 
> 
> >
> > >
> > > Regards, Benoit
> > > > The following errata report has been submitted for RFC7950,
> > > > "The YANG 1.1 Data Modeling Language".
> > > >
> > > > --------------------------------------
> > > > You may review the report below and at:
> > > > http://www.rfc-editor.org/errata/eid5157
> > > >
> > > > --------------------------------------
> > > > Type: Technical
> > > > Reported by: Andy Bierman <andy@yumaworks.com>
> > > >
> > > > Section: 14
> > > >
> > > > Original Text
> > > > -------------
> > > >    key-predicate-expr  = node-identifier *WSP "=" *WSP quoted-string
> > > >
> > > > Corrected Text
> > > > --------------
> > > >    key-predicate-expr  = node-identifier *WSP "=" *WSP
> > > >          (quoted-string / integer-value / decimal-value)
> > > >
> > > > Notes
> > > > -----
> > > > An instance identifier is forced to specify every key value to be a
> > > > string
> > > > even though the YANG key leaf type could be a numeric type.
> > > > XPath does not require a quoted string here, just YANG.
> > > >
> > > > Old:  /top/list[idx="4"]
> > > > New: /top/list[idx=4]
> > > >
> > > > Instructions:
> > > > -------------
> > > > This erratum is currently posted as "Reported". If necessary, please
> > > > use "Reply All" to discuss whether it should be verified or
> > > > rejected. When a decision is reached, the verifying party
> > > > can log in to change the status and edit the report, if necessary.
> > > >
> > > > --------------------------------------
> > > > RFC7950 (draft-ietf-netmod-rfc6020bis-14)
> > > > --------------------------------------
> > > > Title               : The YANG 1.1 Data Modeling Language
> > > > Publication Date    : August 2016
> > > > Author(s)           : M. Bjorklund, Ed.
> > > > Category            : PROPOSED STANDARD
> > > > Source              : NETCONF Data Modeling Language
> > > > Area                : Operations and Management
> > > > Stream              : IETF
> > > > Verifying Party     : IESG
> > > > .
> > > >
> > >
> >