select sys_teacher.user_id, teacher_name, avatar_img, intro, context, url,
introduce, releases, sort, sys_teacher.create_by, sys_teacher.create_time, sys_teacher.update_by, sys_teacher.update_time from sys_teacher join sys_user on
sys_teacher.user_id =sys_user.user_id
insert into sys_teacher
user_id,
teacher_name,
avatar_img,
intro,
context,
url,
introduce,
releases,
sort,
create_by,
create_time,
update_by,
update_time,
#{userId},
#{teacherName},
#{avatarImg},
#{intro},
#{context},
#{url},
#{
introduce},
#{releases},
#{sort},
#{createBy},
#{createTime},
#{updateBy},
#{updateTime},
update sys_teacher
teacher_name = #{teacherName},
avatar_img = #{avatarImg},
intro = #{intro},
context = #{context},
url = #{url},
introduce = #{
introduce},
releases = #{releases},
sort = #{sort},
create_by = #{createBy},
create_time = #{createTime},
update_by = #{updateBy},
update_time = #{updateTime},
where user_id = #{userId}
delete from sys_teacher where user_id = #{userId}
delete from sys_teacher where user_id in
#{userId}