insert into bm_contract(contract_code, contract_name, status, create_time, owner_id, owner_com)
values(#{contractCode}, #{contractName}, #{status}, now(), #{ownerId}, #{ownerCom})
update bm_contract set
contract_name = #{contractName},status = #{status},
owner_id = #{ownerId},
owner_com = #{ownerCom},
update_time = now()
where id = #{id}
update bm_contract set status = #{status} where id = #{id}
update bm_contract set status = 0 where owner_com = #{ownerCom} and id != #{id}
delete from bm_contract where id = #{id}