INSERT INTO demo_group (id_,name_,single_class_minutes_,organ_id_list_,create_time_,update_time_,user_id_,price_,subject_id_) VALUES(#{id},#{name},#{singleClassMinutes},#{organIdList},#{createTime},#{updateTime},#{userId},#{price},#{subjectId})
UPDATE demo_group
user_id_ = #{userId},
id_ = #{id},
update_time_ = #{updateTime},
single_class_minutes_ = #{singleClassMinutes},
organ_id_list_ = #{organIdList},
name_ = #{name},
create_time_ = #{createTime},
price_ = #{price},
subject_id_ = #{subjectId},
WHERE id_ = #{id}
DELETE FROM demo_group WHERE id_ = #{id}
su.username like concat('%',#{search},'%')
AND FIND_IN_SET(dg.subject_id_,#{subjectIds})
AND FIND_IN_SET(dgcp.courses_start_time_,#{startTimes})
dg.user_id_=#{teacherId}