Re: [netconf] [Technical Errata Reported] RFC8040 (6271)

Martin Björklund <mbj+ietf@4668.se> Thu, 03 September 2020 05:37 UTC

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Date: Thu, 03 Sep 2020 07:37:23 +0200 (CEST)
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To: kent+ietf@watsen.net
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From: Martin =?iso-8859-1?Q?Bj=F6rklund?= <mbj+ietf@4668.se>
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Subject: Re: [netconf] [Technical Errata Reported] RFC8040 (6271)
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Kent Watsen <kent+ietf@watsen.net> wrote:
> 
> 
> > On Sep 2, 2020, at 12:24 PM, Kent Watsen <kent+ietf@watsen.net> wrote:
> > 
> >     NEW:
> > 
> >        The default value is “last”, with exception to when used with PUT
> >        and the target resource already exists, in which case the default
> >        is to replace the target resource without altering its position in the
> >        "ordered-by user” list or leaf-list.
> 
> The text above allows/suggests that are four “insert” values MAY
> always be explicitly passed (and presumably processed).  Do we want to
> support the case where a PUT is used only to move an element?
> i.e. the passed “replacement” data is identical to what exists on the
> server, only the insert/point have an effect?
> 
> Or should this strategy be that the insert/point can always be passed
> (in a PUT for an "ordered-by user” list or leaf-list), but they only
> have meaning (i.e., are processed) when/if the object is being
> created, and otherwise ignored?

No, move (and possibly modify the entry) is supported.  Section 4.8.6
says:

   The "point" query parameter is used to specify the insertion point
   for a data resource that is being created or moved within an
                                             ^^^^^^^^
   "ordered-by user" list or leaf-list.


/martin