Fix db manager sql query

elpaso · nyalldawson · commit 5520a01ed36f · 2019-02-26T03:24:52.000+10:00
Fixes #21353
diff --git a/python/plugins/db_manager/dlg_sql_window.py b/python/plugins/db_manager/dlg_sql_window.py
@@ -393,7 +393,7 @@ def _getSqlLayer(self, _filter):
         else:
             geomFieldName = None
 
-        query = self._getSqlExecutableQuery()
+        query = self._getExecutableSqlQuery()
         if query == "":
             return None
 
