Implemented SetAttributeFilter to send where clause to server.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27160 f0d54148-0727-0410-94bb-9a71ac55c965
implemented SetIgnoredFields

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27161 f0d54148-0727-0410-94bb-9a71ac55c965
fixed bugs and added CRS to the output.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27162 f0d54148-0727-0410-94bb-9a71ac55c965
Always include the geometry column, and don't advertice random reads (yet).

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27164 f0d54148-0727-0410-94bb-9a71ac55c965
Added mapping of GME ID to OGR id.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27165 f0d54148-0727-0410-94bb-9a71ac55c965