select contract_id, sub_contract_id from cmc_contract_sub_contract and contract_id = #{contractId} and sub_contract_id = #{subContractId} where contract_id = #{contractId} insert into cmc_contract_sub_contract contract_id, sub_contract_id, #{contractId}, #{subContractId}, update cmc_contract_sub_contract sub_contract_id = #{subContractId}, where contract_id = #{contractId} delete from cmc_contract_sub_contract where contract_id in #{contractId} delete from cmc_contract_sub_contract where sub_contract_id in #{subContractId}