// nested transaction
		if !db.DisableNestedTransaction {
			err = db.SavePoint(fmt.Sprintf("sp%p", fc)).Error
			if err != nil {
				return
			}
			defer func() {
				// Make sure to rollback when panic, Block error or Commit error
				if panicked || err != nil {
					db.RollbackTo(fmt.Sprintf("sp%p", fc))
				}
			}()
		}
		err = fc(db.Session(&Session{NewDB: db.clone == 1}))
	} else {