select project_id, sub_contract_id from cmc_project_sub_contract and project_id = #{projectId} and sub_contract_id = #{subContractId} where project_id = #{projectId} insert into cmc_project_sub_contract project_id, sub_contract_id, #{projectId}, #{subContractId}, update cmc_project_sub_contract sub_contract_id = #{subContractId}, where project_id = #{projectId} delete from cmc_project_sub_contract where project_id = #{projectId} delete from cmc_project_sub_contract where sub_contract_id in #{subContractId}