ogr provider: fix feature count retrieval

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@11801 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/providers/ogr/qgsogrprovider.cpp

@@ -246,6 +246,12 @@ bool QgsOgrProvider::setSubsetString( QString theSQL )
   }
   setDataSourceUri( uri );
 
+  OGR_L_ResetReading( ogrLayer );
+
+  // getting the total number of features in the layer
+  // TODO: This can be expensive, do we really need it!
+  featuresCounted = OGR_L_GetFeatureCount( ogrLayer, TRUE );
+
   // get the extent_ (envelope) of the layer
   QgsDebugMsg( "Starting get extent" );
 
@@ -254,10 +260,6 @@ bool QgsOgrProvider::setSubsetString( QString theSQL )
 
   QgsDebugMsg( "Finished get extent" );
 
-  // getting the total number of features in the layer
-  // TODO: This can be expensive, do we really need it!
-  featuresCounted = OGR_L_GetFeatureCount( ogrLayer, TRUE );
-
   // check the validity of the layer
   QgsDebugMsg( "checking validity" );
   loadFields();