db manager: don't consider added layer w/o a dataProvider

jef-n · jef-n · commit a9464d7c9467 · 2016-08-30T20:57:00.000+02:00
(cherry picked from commit 28aa9ebdb75eb099b83a3596b3f3c5c6e5c6f591)
diff --git a/python/plugins/db_manager/db_manager_plugin.py b/python/plugins/db_manager/db_manager_plugin.py
@@ -78,7 +78,7 @@ def unload(self):
             self.dlg.close()
 
     def onLayerWasAdded(self, aMapLayer):
-        if aMapLayer.dataProvider().name() in ['postgres', 'spatialite', 'oracle']:
+        if hasattr(aMapLayer, 'dataProvider') and aMapLayer.dataProvider().name() in ['postgres', 'spatialite', 'oracle']:
             uri = QgsDataSourceUri(aMapLayer.source())
             if re.search('^\(SELECT .+ FROM .+\)$', uri.table(), re.S):
                 self.iface.legendInterface().addLegendLayerActionForLayer(self.layerAction, aMapLayer)
