From cd9eef351a87eab5079edaa38f2c1ae482156c3f Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Wed, 19 Oct 2016 16:55:38 +0800
Subject: [PATCH] bug fixed for errorf

---
 engine.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine.go b/engine.go
index 5d73a5d0..2417f1e8 100644
--- a/engine.go
+++ b/engine.go
@@ -336,7 +336,7 @@ func (engine *Engine) DBMetas() ([]*core.Table, error) {
 				if col := table.GetColumn(name); col != nil {
 					col.Indexes[index.Name] = index.Type
 				} else {
-					return nil, fmt.Errorf("Unknown col "+name+" in indexes %v of table", index, table.ColumnsSeq())
+					return nil, fmt.Errorf("Unknown col %s in indexe %v of table %v, columns %v", name, index.Name, table.Name, table.ColumnsSeq())
 				}
 			}
 		}