Merge pull request #41 from tson1111/master

fix: add empty policy check in SavePolicy function.
casbin · May 13, 2021 · 01aca29 · 01aca29
2 parents 66091b9 + 1a94910
commit 01aca29
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/adapter.go b/adapter.go
@@ -327,6 +327,11 @@ func (a *Adapter) SavePolicy(model model.Model) error {
 		}
 	}
 
+	// check whether the policy is empty
+	if len(lines) == 0 {
+		return nil
+	}
+
 	_, err = a.engine.Insert(&lines)
 
 	return err