select id, sheep_id, group_id from bas_sheep_group_mapping
insert into bas_sheep_group_mapping
sheep_id,group_id,#{sheepId},#{groupId},
update bas_sheep_group_mapping
sheep_id = #{sheepId},group_id = #{groupId},
where id = #{id}
delete from bas_sheep_group_mapping where id = #{id}
delete from bas_sheep_group_mapping where id in
#{id}