wxGUI/dbmgr: fix hit 'Refresh' button if vector map doesn't have any …

…layers (#1371)
OSGeo · Feb 20, 2021 · 4af8f38 · 4af8f38
1 parent 1c865e7
commit 4af8f38
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/gui/wxpython/dbmgr/base.py b/gui/wxpython/dbmgr/base.py
@@ -2012,6 +2012,8 @@ def OnDeleteSelected(self, event):
 
     def OnApplySqlStatement(self, event):
         """Apply simple/advanced sql statement"""
+        if not self.layerPage:
+            return
         keyColumn = -1  # index of key column
         listWin = self.FindWindowById(self.layerPage[self.selLayer]['data'])
         sql = None