[dbmanager] Fixes #13679 - QGIS master crashes when closing DB Manage…

…r in preview mode
qgis · Jan 27, 2016 · 47013f7 · 47013f7
1 parent 602437a
commit 47013f7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/python/plugins/db_manager/layer_preview.py b/python/plugins/db_manager/layer_preview.py
@@ -54,10 +54,12 @@ def refresh(self):
     def loadPreview(self, item):
         if item == self.item and not self.dirty:
             return
-        self._clear()
+
         if item is None:
             return
 
+        self._clear()
+
         if isinstance(item, Table) and item.type in [Table.VectorType, Table.RasterType]:
             # update the preview, but first let the manager chance to show the canvas
             runPrev = lambda: self._loadTablePreview(item)