insert into zw_m_assignment_user (id, user_id, assignment_id,
flag, create_data_time, create_data_username)
values
(#{item.id}, #{item.userId},
#{item.groupId},
#{item.flag}, now(),
#{item.createDataUsername})
update zw_m_assignment_user
set flag = 0
where assignment_id = #{groupId}
and flag = 1
update zw_m_assignment_user
set flag = 0
where assignment_id in
#{groupId}
and flag = 1
update zw_m_assignment_user
set flag = 0
where flag = 1
and user_id = #{userId}
and assignment_id in
#{item}
update zw_m_assignment_user
set flag = 0
where flag = 1
and assignment_id = #{groupId}
and user_id in
#{item}
update zw_m_assignment_user
set flag = 0
where flag = 1
and user_id = #{userId}
update zw_m_assignment_user
set flag = 0
where flag = 1 and user_id in
#{id}