`id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
`url` VARCHAR(255) NOT NULL DEFAULT '',
`pool_id` BIGINT(20) UNSIGNED NOT NULL DEFAULT 0,
`timestamp` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),
`id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
`url` VARCHAR(255) NOT NULL DEFAULT '',
`pool_id` BIGINT(20) UNSIGNED NOT NULL DEFAULT 0,
`timestamp` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),