[mapserver-dev] RFC 59 Part Deux

[Lime, Steve D (DNR)]

It actually should work for all drivers. It's just a matter of where things are evaluated and at the moment it's all in MapServer...

Steve

-----Original Message-----
From: mapserver-dev-bounces at lists.osgeo.org [mailto:mapserver-dev-bounces at lists.osgeo.org] On Behalf Of Yewondwossen Assefa
Sent: Thursday, October 28, 2010 9:10 AM
To: mapserver-dev at lists.osgeo.org
Subject: Re: [mapserver-dev] RFC 59 Part Deux

On 26/10/2010 1:25 AM, Lime, Steve D (DNR) wrote:
> have a moment. If this is gonna make version 6.0 then I'd need to start on merging code ASAP. Assefa has also done a good
> bit of WFS work with this new stuff and has been pretty successful I think. The RFC contains a couple of attachments showing use
Jus to add to this, what was done as a test for the filter encoding is 
to convert the OGC filters (all logical,  comparison, spatial) into 
common expressions and used it to set the filter element on the layer 
and run the query. This is a big improvement in terms of code cleaning 
and optimization (when compared to running several queries for one ogc 
filter and then merge the resulting queries).  This works now for 
mapserver shape type layers. The ultimate goal is to have all underlying 
drivers to be able to convert all common expressions into appropriate 
queries.

Assefa

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Assefa Yewondwossen
Software Analyst

Email: yassefa at dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
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