[mapguide-users] MapGuide SQL2008 Provider: can't support geometry method?

Carl carlshe at 163.com
Sun Oct 19 10:21:47 EDT 2008

I got it partially.

C:\Program Files\MapGuideOpenSource2.0\WebServerExtensions\Help\index.htm

I set the filter as:


But sometimes the complicated spatial computation can only be done by the
datasource self. Maybe it is possible to add a bool tag to denote how to
parse the filter? by the provider or by MG OS Server?

Carl wrote:
> I just had a post about SQL 2008 Provider and got many effective answers,
> and had my problem partially resolved.
> Now I can add a layer referencing to a feature datasource of ms sql 2008. 
> Further more, I need to give a filter to the layer to select part of
> features. if I give a common condition(i.e. the common boolean clause,
> such as " id='1' and name like '%_c' "), and the mapguide can give a
> correct response (i.e. the features on the map are just those selected).
> but if I give a spatial condition ( such as "Prj_Geometry.STIsClosed()=1
> "), Mapguide always return a map contains all features.
> Is the boolean expression parsed by the datasource or by MapGuide Server
> itself? 
> In my opinion, the filter string should be parsed and executed by the
> provider datasource, such as MS SQL server 2008.
> could anybody help me?

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