arraysize="1" returns to cause trouble

[Patrick Dowler]

I kind of forgot about this issue and I don't think it was ever discussed
anywhere... #poke

--
Patrick Dowler
Canadian Astronomy Data Centre
Victoria, BC, Canada


On Thu, 27 Sep 2018 at 10:45, Patrick Dowler <pdowler.cadc at gmail.com> wrote:

>
> An erratum for VOTable gives some advice on the use and meaning of
> arraysize="1" (link:
> http://wiki.ivoa.net/twiki/bin/view/IVOA/VOTable-1_3-Err-3). However,
> this conflicts with something in the VODataService-1.2 xsd (line 949-ish),
> where the arraysize atrtibute in DataType specifies default="1" and the
> documentation says that means scalar.
>
> I consider default attribute values in xsd to be really sketchy because
> you cannot round-trip otherwise valid documents and behaviour changes if
> schema validation is enabled.
>
> When I read the xml output from a VOSI tables resource I get arraysize="1"
> even if the xml itself omitted the arraysize (which is what my TAP services
> are doing). The VOSI-tables and VOTable documents are no longer always
> consistent :-(
>
> Could that default="1" be removed via an erratum?
>
> --
> Patrick Dowler
> Canadian Astronomy Data Centre
> Victoria, BC, Canada
>
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