Hello again!
I'm trying to allow for any records with a NULL property to be returned
via a WFS 1.1 GetFeature request.
OpenLayers has a OpenLayers.Filter.Comparison.IS_NULL filter that
produces XML such as:
<ogc:PropertyIsNull>
<ogc:PropertyName>
YEAR
</ogc:PropertyName>
</ogc:PropertyIsNull>
MapServer (6.4) however doesn't support it, and logs the following
error: msWFSGetFeature(): WFS server error. Invalid or Unsupported
FILTER in GetFeature
Looking at the page http://mapserver.org/ogc/filter_encoding.html page
it seems all 8 tests fail for this filter:
1.3.4.10 GetFeature PropertyIsNull filter
And in the notes below "Test number 1.3.4.10: This property is not
supported in MapServer."
However several recent commits seem to reference this filter e.g.
https://github.com/mapserver/mapserver/commit/7c97d948645e3c04228e25ba2f5333f0a23fd128
Is this for WFS version 2.0? Is so are there any plans to implement
PropertyIsNull for older WFS protocols?
Regards,
Seth
--
web:http://geographika.co.uk
twitter: @geographika
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