// Unscoped allows queries to include records marked as deleted,
// overriding the soft deletion behavior.
// Example:
//    var users []User
//    db.Unscoped().Find(&users)
//    // Retrieves all users, including deleted ones.
func (db *DB) Unscoped() (tx *DB) {
	tx = db.getInstance()
	tx.Statement.Unscoped = true
	return
}

func (db *DB) Raw(sql string, values ...interface{}) (tx *DB) {
	tx = db.getInstance()