fix the table name of many2many

customize_column_test.go

@@ -289,6 +289,9 @@ type SelfReferencingUser struct {
 func TestSelfReferencingMany2ManyColumn(t *testing.T) {
 	DB.DropTable(&SelfReferencingUser{}, "UserFriends")
 	DB.AutoMigrate(&SelfReferencingUser{})
+	if !DB.HasTable("UserFriends") {
+		t.Errorf("auto migrate error, table UserFriends should be created")
+	}
 
 	friend1 := SelfReferencingUser{Name: "friend1_m2m"}
 	if err := DB.Create(&friend1).Error; err != nil {
@@ -313,6 +316,14 @@ func TestSelfReferencingMany2ManyColumn(t *testing.T) {
 		t.Errorf("Should find created friends correctly")
 	}
 
+	var count int
+	if err := DB.Table("UserFriends").Count(&count).Error; err != nil {
+		t.Errorf("no error should happen, but got %v", err)
+	}
+	if count == 0 {
+		t.Errorf("table UserFriends should have records")
+	}
+
 	var newUser = SelfReferencingUser{}
 
 	if err := DB.Preload("Friends").First(&newUser, "id = ?", user.ID).Error; err != nil {

model_struct.go

@@ -340,7 +340,7 @@ func (scope *Scope) GetModelStruct() *ModelStruct {
 									}
 
 									joinTableHandler := JoinTableHandler{}
-									joinTableHandler.Setup(relationship, ToTableName(many2many), reflectType, elemType)
+									joinTableHandler.Setup(relationship, many2many, reflectType, elemType)
 									relationship.JoinTableHandler = &joinTableHandler
 									field.Relationship = relationship
 								} else {