Version v1.6.2, support XA protocol to coordinate distributed transactions

feat: support xa protocol (#9)

Version 1.6.1

v1.6.1

refactor: upgrade dependency (#8)

Version 1.6.0-rc1, refactor coordinated distributed transaction logic

refactor: optimize some code (#7)

* refactor: support manipulating the same data in different transaction branches

* refactor: optimize code

Version 1.6.0

Consistent with the go-sql-driver/mysql version, adding coordinated distributed transaction logic.