[OpenLayers-Dev] [OpenLayers-Users] convert SQL statement to OGC filter

Tim Schaub tschaub at opengeo.org
Tue Mar 16 11:51:47 EDT 2010

Gabriel Nolasco wrote:
> Hello,
> This is not an OpenLayers specific question, but I'll try my luck in this large GIS developers community...
> I'm trying to convert a SQL statement into an OGC filter.
> My approach was to use javascript string methods to match the operators, create the respective OpenLayers filters and then use OpenLayers Format Filter to write the OGC filters.
> This is working fine for simple statements but very buggy when the complexity of the statements increases.
> Does anyone know a better way to perform it using only javascript?


Are you using CQL or another flavor of SQL?

I'd be interested in working on a CQL format in OpenLayers.  This would 
serialize an OpenLayers.Filter as CQL and deserialize a CQL string as a 

If you have anything started (and you're working with CQL), a patch for 
this ticket would be a good way to start collaborating.



> Thanks in advance,
> Gabriel Nolasco
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Tim Schaub
OpenGeo - http://opengeo.org
Expert service straight from the developers.

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