ALTER TABLE  `bills` CHANGE  `bill_gb`  `bill_quota` BIGINT( 20 ) NULL DEFAULT NULL;
ALTER TABLE  `bills` CHANGE  `rate_95th_in`  `rate_95th_in` BIGINT( 20 ) NOT NULL ,CHANGE  `rate_95th_out`  `rate_95th_out` BIGINT( 20 ) NOT NULL ,CHANGE  `rate_95th`  `rate_95th` BIGINT( 20 ) NOT NULL ,CHANGE  `total_data`  `total_data` BIGINT( 20 ) NOT NULL ,CHANGE  `total_data_in`  `total_data_in` BIGINT( 20 ) NOT NULL ,CHANGE  `total_data_out`  `total_data_out` BIGINT( 20 ) NOT NULL ,CHANGE  `rate_average_in`  `rate_average_in` BIGINT( 20 ) NOT NULL ,CHANGE  `rate_average_out`  `rate_average_out` BIGINT( 20 ) NOT NULL ,CHANGE  `rate_average`  `rate_average` BIGINT( 20 ) NOT NULL;
