SELECT * FROM data_change_log WHERE id_ = #{id} SELECT * FROM data_change_log ORDER BY id_ INSERT INTO data_change_log (id_,data_id_,operator_id_,change_info_,create_time_,class_name_) VALUES(#{id},#{dataId},#{operatorId},#{changeInfo},NOW(),#{className}) UPDATE data_change_log operator_id_ = #{operatorId}, id_ = #{id}, class_name_ = #{className}, change_info_ = #{changeInfo}, WHERE id_ = #{id} DELETE FROM data_change_log WHERE id_ = #{id} SELECT * FROM data_change_log ORDER BY id_ SELECT COUNT(*) FROM data_change_log