ALTER TABLE `zh_tender` ADD COLUMN `has_rela` tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否有关联台账' AFTER `had_map`; CREATE TABLE `NewTable` ( `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT 'id' , `tid` int(11) UNSIGNED NOT NULL COMMENT '标段id' , `sid` int(11) UNSIGNED NOT NULL COMMENT '期id' , `sorder` tinyint(4) UNSIGNED NOT NULL COMMENT '期序号' , `rela_tid` int(11) UNSIGNED NOT NULL COMMENT '关联标段id' , `rela_sid` int(11) UNSIGNED NOT NULL COMMENT '关联期id' , `rela_sorder` tinyint(4) UNSIGNED NOT NULL COMMENT '关联期序号' , `add_time` datetime NOT NULL COMMENT '添加时间' , `update_time` datetime NOT NULL COMMENT '更新时间' , `total_price` decimal(28,6) NULL , `cache_tp` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '缓存金额(当前标段单价计算)' , `cache_org_tp` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '缓存金额(原关联标段单价计算)' , PRIMARY KEY (`id`) ) COMMENT='计量期-关联台账(含缓存数据)' ;