Il 15/07/2014 08:11, Nathan Woodrow ha scritto: > Yeah I'm thinking it might just be slow for something like shapefile where is > there > no index on that column and it has to get each value to find the unique ones. > I'm > not looking at the code, just guessing.
Thanks for your comments. I found it rather slow for large PostGIS tables. All the best. -- Paolo Cavallini - www.faunalia.eu Corsi QGIS e PostGIS: http://www.faunalia.eu/training.html _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
