Test Related with search conditions

main_test.go

@@ -1351,10 +1351,17 @@ func TestRelated(t *testing.T) {
 	if len(emails) != 2 {
 		t.Errorf("Should have two emails")
 	}
+
+	var emails2 []Email
+	db.Model(&user).Where("email = ?", "jinzhu@example.com").Related(&emails2)
+	if len(emails2) != 1 {
+		t.Errorf("Should have two emails")
+	}
+
 	var user1 User
 	db.Model(&user).Related(&user1.Emails)
 	if len(user1.Emails) != 2 {
-		t.Errorf("Should have two emails")
+		t.Errorf("Should have only one email match related condition")
 	}
 
 	var address1 Address
@@ -1554,9 +1561,9 @@ func TestTransaction(t *testing.T) {
 		t.Errorf("Should find saved record, but got", err)
 	}
 
-        if sql_tx, ok := tx.CommonDB().(*sql.Tx); !ok || sql_tx == nil {
-                t.Errorf("Should return the underlying sql.Tx")
-        }
+	if sql_tx, ok := tx.CommonDB().(*sql.Tx); !ok || sql_tx == nil {
+		t.Errorf("Should return the underlying sql.Tx")
+	}
 
 	tx.Rollback()
 

scope_private.go

@@ -393,8 +393,7 @@ func (scope *Scope) typeName() string {
 }
 
 func (scope *Scope) related(value interface{}, foreignKeys ...string) *Scope {
-	toScope := scope.New(value)
-	toScope.db = scope.db
+	toScope := scope.db.NewScope(value)
 
 	for _, foreignKey := range append(foreignKeys, toScope.typeName()+"Id", scope.typeName()+"Id") {
 		if foreignValue, ok := scope.FieldByName(foreignKey); ok {