t.contract_file_id as contractFileId, t.contract_id as contractId, t.contract_file as contractFile, t.create_time as createTime t.contract_id = #{contractId} AND t.contract_file = #{contractFile} AND t.create_time = #{createTime} AND select from t_contract_file t where t.contract_file_id=#{contractFileId} select version from t_contract_file where contract_file_id=#{contractFileId} SELECT from t_contract_file t SELECT from t_contract_file t insert into t_contract_file contract_file_id, contract_id, contract_file, create_time, #{contractFileId}, #{contractId}, #{contractFile}, #{createTime}, update t_contract_file contract_id=#{contractId}, contract_file=#{contractFile}, create_time=#{createTime}, where contract_file_id=#{contractFileId} update t_contract_file SET is_use = 0 where contract_file_id=#{contractFileId} delete from t_contract_file where contract_file_id=#{contractFileId} delete from t_contract_file where contract_id=#{contractId}