Similar issues have been brought up on the wfs-dev list I believe... and the
spec writers have been open to amending them. There is also a constraint in
the capabilities document in which one can declare whether paging is
transaction safe... and we set that to false... so perhaps the spec is
poorly worded perhaps. Regardless though it seems pointless if all the
legitimate implementations of wfs 2.0 don't implement it.
On Tue, Oct 25, 2011 at 4:15 AM, Ben Caradoc-Davies
<[email protected]> wrote:
> Justin, perhaps you could submit a WFS 2 change request to encourage OGC to
> change the spec to what you were able to reasonably implement? :-D
>
>
> -------- Original Message --------
> Subject: RE: GeoServer WFS 2.0 limitations
> Date: Mon, 24 Oct 2011 17:39:58 +0800
> From: Simon Cox
>
> Submit a WFS 2.0 Change Request to explicitly relax this requirement.
> https://portal.opengeospatial.**org/public_ogc/change_request.**php<https://portal.opengeospatial.org/public_ogc/change_request.php>
> It's just a web form.
>
>
> -----Original Message-----
> From: Ben Caradoc-Davies
> Sent: Monday, 24 October 2011 4:56 PM
> To: Simon Cox
> Subject: GeoServer WFS 2.0 limitations
>
> FYI
>
> http://geoserver.org/display/**GEOS/GSIP+61+-+WFS+2.0<http://geoserver.org/display/GEOS/GSIP+61+-+WFS+2.0>
> "WFS 2.0 adds the ability to page results of a GetFeature request via
> the startIndex and maxFeatures parameters. The WFS specification
> actually implies that a service must maintain consistent paging results
> in the light of transactions, but such a restriction is very difficult
> to implement and implies that the server be able to store large results
> in memory, or maintain database transactions between requests which goes
> against the stateless nature of WFS all together. For this reason we
> ignore this requirement in our implementation."
>
> --
> Ben Caradoc-Davies <[email protected]>
> Software Engineer
> CSIRO Earth Science and Resource Engineering
> Australian Resources Research Centre
>
--
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
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