- add query support for OGR and spatialite layers (additional to postgres)
- QgsDataProvider::setSubsetString() now returns if the query is successful.
- add optional parameter to limit number of values returned from QgsVectorDataProvider::uniqueValues()
- rename QgsDbSourceSelect to QgsPgSourceSelect, use QgsVectorLayer for layer queries and make it wider
- QgsDataSourceURI: improve quoting
- fix relative path support for SpatiaLite on windows
- rename QgsPgQueryBuilder to QgsQueryBuilder and use QgsVectorLayer for
queries instead of postgres
cleanups:
- rename QgsServerSourceSelect to QgsWMSSourceSelect
git-svn-id: http://svn.osgeo.org/qgis/trunk@11762 c8812cc2-4d05-0410-92ff-de0c093fc19c