From 28e052299341468380db57677ec8da2309efc9f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Flc=E3=82=9B?= <four_leaf_clover@foxmail.com>
Date: Tue, 28 Mar 2023 15:06:01 +0800
Subject: [PATCH] fix: rename `Db` to `DB`

---
 dsn.go      | 6 +++---
 dsn_test.go | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dsn.go b/dsn.go
index 19bd8d15..642ff8c1 100644
--- a/dsn.go
+++ b/dsn.go
@@ -10,14 +10,14 @@ type DSN struct {
 	Port    int
 	User    string
 	Pass    string
-	Db      string
+	DB      string
 	Options map[string]string
 }
 
 func (d DSN) String() string {
-	dsn := d.User + ":" + d.Pass + "@tcp(" + d.Host + ":" + strconv.Itoa(d.Port) + ")/" + d.Db
+	dsn := d.User + ":" + d.Pass + "@tcp(" + d.Host + ":" + strconv.Itoa(d.Port) + ")/" + d.DB
 
-	if d.Options != nil {
+	if d.Options != nil && len(d.Options) > 0 {
 		value := url.Values{}
 
 		for k, v := range d.Options {
diff --git a/dsn_test.go b/dsn_test.go
index 77f2c845..257515f2 100644
--- a/dsn_test.go
+++ b/dsn_test.go
@@ -8,7 +8,7 @@ func TestDsn(t *testing.T) {
 		Port: 3306,
 		User: "root",
 		Pass: "password",
-		Db:   "gorm",
+		DB:   "gorm",
 	}
 
 	t.Run("dsn string", func(t *testing.T) {