datetime字段默认值问题
DROP TABLE IF EXISTS `promo`;
CREATE TABLE `promo` (
`id` int NOT NULL,
`promo_naem` varchar(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL DEFAULT '',
`start_date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`item_id` int NOT NULL DEFAULT 0,
`promo_item_price` double NOT NULL DEFAULT 0,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;