Created
August 10, 2018 10:06
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| func Transaction(driver Driver, handler func(driver Driver) error) error { | |
| if driver == nil { | |
| return errors.Wrap(ErrInvalidDriver, "sqlxx: cannot create a transaction") | |
| } | |
| tx, err := driver.Beginx() | |
| if err != nil { | |
| return errors.Wrap(err, "sqlxx: cannot create a transaction") | |
| } | |
| client := &Client{Node: tx} | |
| err = handler(client) | |
| if err != nil { | |
| thr := tx.Rollback() | |
| if thr != nil { | |
| // TODO: Add an observer to collect this error. | |
| thr = errors.Wrap(thr, "sqlxx: cannot rollback transaction") | |
| _ = thr | |
| } | |
| return err | |
| } | |
| err = tx.Commit() | |
| if err != nil { | |
| return errors.Wrap(err, "sqlxx: cannot commit transaction") | |
| } | |
| return nil | |
| } |
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