Force use of estimated metadata upon loading topologies

Author: strk

python/plugins/db_manager/db_plugins/postgis/plugins/qgis_topoview/__init__.py

@@ -108,6 +108,9 @@ def run(item, action, mainwindow):
         provider = db.dbplugin().providerName()
         uri = db.uri()
 
+        # Force use of estimated metadata (topologies can be big)
+        uri.setUseEstimatedMetadata( True )
+
         # FACES
         group = legend.addGroup(u'Faces', False, supergroup)