a.id AS "id", a.name AS "name", a.age AS "age", a.major AS "major", a.unit AS "unit", a.expert AS "expert", a.experience AS "experience", a.create_by AS "createBy.id", a.create_date AS "createDate", a.update_by AS "updateBy.id", a.update_date AS "updateDate", a.del_flag AS "delFlag" INSERT INTO edu_train_teacher( id, name, age, major, unit, expert, experience, create_by, create_date, update_by, update_date, del_flag ) VALUES ( #{id}, #{name}, #{age}, #{major}, #{unit}, #{expert}, #{experience}, #{createBy.id}, #{createDate}, #{updateBy.id}, #{updateDate}, #{delFlag} ) UPDATE edu_train_teacher SET name = #{name}, age = #{age}, major = #{major}, unit = #{unit}, expert = #{expert}, experience = #{experience}, update_by = #{updateBy.id}, update_date = #{updateDate} WHERE id = #{id} DELETE FROM edu_train_teacher WHERE id = #{id} UPDATE edu_train_teacher SET del_flag = #{DEL_FLAG_DELETE} WHERE id = #{id}