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                ### 樂觀鎖Version 要使用樂觀鎖,需要使用version標記type User struct { Id int64 Name string Version int `xorm:"version"`} 在Insert時,version標記的字段將會被設置為1,在Update時,Update的內容必須包含version原來的值。 ~~~ var user User engine.Id(1).Get(&user) // SELECT * FROM user WHERE id = ? engine.Id(1).Update(&user) // UPDATE user SET ..., version = version + 1 WHERE id = ? AND version = ? ~~~
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