+DROP TABLE IF EXISTS `accountoffsets`;
+CREATE TABLE IF NOT EXISTS `account_offsets` (
+ `id` int(11) NOT NULL auto_increment, -- unique identifier for each offset
+ `credit_id` int(11) NULL DEFAULT NULL, -- The id of the accountline the increased the patron's balance
+ `debit_id` int(11) NULL DEFAULT NULL, -- The id of the accountline that decreased the patron's balance
+ `type` varchar(16) NOT NULL, -- The type of offset this is
+ `amount` decimal(26,6) NOT NULL, -- The amount of the change
+ `created_on` timestamp NOT NULL default CURRENT_TIMESTAMP,
+ PRIMARY KEY (`id`),
+ CONSTRAINT `account_offsets_ibfk_p` FOREIGN KEY (`credit_id`) REFERENCES `accountlines` (`accountlines_id`) ON DELETE CASCADE ON UPDATE CASCADE,
+ CONSTRAINT `account_offsets_ibfk_f` FOREIGN KEY (`debit_id`) REFERENCES `accountlines` (`accountlines_id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;