For KVP-encoded ad hoc query expressions the typeNames parameter shall be encoded using the TYPENAMES keyword (see Table 8). The TYPENAMES parameter is mandatory in all cases except when the RESOURCEID parameter is specified. In this case the TYPENAMES parameter may be omitted because each feature instance can be identified by its resource identifier alone (see 7.2). If both the TYPENAMES and RESOURCEID parameters are specified then all the feature instances identified by the RESOURCEID parameter shall be of the type specified by the TYPENAMES parameter; otherwise the server shall raise an InvalidParameterValue exception (see OGC 06-121r3:2009, Table 25) where the “locator” attribute (see OGC 06-121r3:2009, 8.4) value shall be set to “RESOURCEID”.
The typeNames parameter (see OGC 09-026r2, 6.3.3.1.1) shall be used within an ad hoc query expression to encode the names of one or more correlated feature types to be queried. Individual feature type names shall be encoded as QName (see W3C XML Schema Part 2).
What Nuno is proposing is to accept typenames for single values too (which is what the spec demands as far as I understand).
However, Nuno, it seems to me GeoServer already supports that:
So… confused? Are you talking only about DescribeFeatureType? typenames seems to be indeed ignored there, but the spec only talks
about typenames in the context of ad hoc queries.
···
On Tue, Jun 6, 2017 at 11:35 AM, Ian Turton <ijturton@anonymised.com> wrote:
see https://osgeo-org.atlassian.net/browse/GEOS-7842 for some other discussion on this
Ian
–
On 6 June 2017 at 10:15, Andrea Aime <andrea.aime@anonymised.com> wrote:
Hi Nuno,
I quickly glanced over the specification and I can only find KVP examples using TYPENAMES,
typename is used in the XML.
That said, if GeoServer has bee using TYPENAME until now I’d keep it for backwards compatibility,
so yes, I agree we should be supporting both like the reference implementation
Cheers
Andrea
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Ian Turton
On Mon, Jun 5, 2017 at 11:16 PM, Nuno Oliveira <nuno.oliveira@anonymised.comt> wrote:
Hi,
WFS 2.0 is ambiguous regarding (at least to me) regarding the type name parameter value, in the specification to values used are:
The important specification part is this one:
http://docs.opengeospatial.org/is/09-025r2/09-025r2.html#147
GeoServer is using TYPENAME, OGC CITE tests for WFS 2.0 are using TYPENAMES and WFS 2.0 reference implementation is accepting both:
https://github.com/opengeospatial/cite/wiki/Reference-Implementations
I’m very inclined to also accept both values, i.e. to make GeoServer also accept TYPENAMES.
Any objection ?
Regards,
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