From 4351917c45b202f389f3efe0a1e2bd3493d2848a Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Sat, 16 Jan 2016 09:40:13 +0800
Subject: [PATCH] Don't panic with ToDbName

---
 utils.go      | 4 ++++
 utils_test.go | 1 +
 2 files changed, 5 insertions(+)

diff --git a/utils.go b/utils.go
index d47065bf..a4cf0b8c 100644
--- a/utils.go
+++ b/utils.go
@@ -53,6 +53,10 @@ func ToDBName(name string) string {
 		return v
 	}
 
+	if name == "" {
+		return ""
+	}
+
 	var (
 		value                        = commonInitialismsReplacer.Replace(name)
 		buf                          = bytes.NewBufferString("")
diff --git a/utils_test.go b/utils_test.go
index 81b8ce9d..0e88a8b7 100644
--- a/utils_test.go
+++ b/utils_test.go
@@ -8,6 +8,7 @@ import (
 
 func TestToDBNameGenerateFriendlyName(t *testing.T) {
 	var maps = map[string]string{
+		"":                          "",
 		"ThisIsATest":               "this_is_a_test",
 		"PFAndESI":                  "pf_and_esi",
 		"AbcAndJkl":                 "abc_and_jkl",