Ticket #1045: 1045.diff

trac/Ticket.py

@@ -136 +136 @@
                not self._old.has_key('owner'):
             cursor.execute('SELECT owner FROM component '
                            'WHERE name=%s', self._old['component'])
-            old_owner = cursor.fetchone()[0]
-            if self['owner'] == old_owner:
-                cursor.execute('SELECT owner FROM component '
-                               'WHERE name=%s', self['component'])
-                self['owner'] = cursor.fetchone()[0]
+            row = cursor.fetchone()
+            # if the old component has been removed from the database
+            # then we just leave the owner as is.
+            if row:
+                old_owner = cursor.fetchone()[0]
+                if self['owner'] == old_owner:
+                    cursor.execute('SELECT owner FROM component '
+                                   'WHERE name=%s', self['component'])
+                    row = cursor.fetchone()
+                    self['owner'] = cursor.fetchone()[0]
            
 
         for name in self._old.keys():