On 22/08/2011 14:08, Ingo Weinzierl wrote: > > It says "GDAL 1.6.3, released 2009/11/19". This version comes along > with Debian Squeeze. > You have to upgrade to GDAL/OGR >= 1.8.0 in order to make use of the new OGR SQL functionality, http://www.gdal.org/ogr/ogr_sql.html Hermann