建立/删除/修改临时表

DROP TEMPORARY TABLE IF EXISTS `SAM_ORDERSIGN_EXCEL_TEMP`;
  CREATE TEMPORARY TABLE `SAM_ORDERSIGN_EXCEL_TEMP` (
  `CHANNEL` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '渠道',
  `CHANNEL_NAME` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '渠道名称',
  `SKU_CHANNEL` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '要货渠道',
  `PURCHASE_NO` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '采购单号',
  `WAREHOUSELEVEL2` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '二级仓库',
  `CHANNEL_SKU` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '商品编号',
   `CHAI_MATERIA_NO` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '拆分后料号',
  `IS_PACKAGE` varchar(10) COLLATE utf8_bin DEFAULT '' COMMENT '套餐否',
  `PURCHASEORDER_QUANTITY` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '采购数量',
  `PURCHASE_PRICE` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '采购价格',
  `ACTUAL_QUANTITY` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '实收数量',
  `REQUISITION_NO` varchar(30) COLLATE utf8_bin DEFAULT '' COMMENT '调拨申请单号',
  `ORDER_NO` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '财务订单号',
  `GOODS_MODEL` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '型号',
  `PRODUCTION_MATERIA` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '料号',
  `RESERVATION_ARRIVEDATE` date DEFAULT NULL COMMENT '预约到货日期',
  `CHANNEL_RECEIVE_DATE` date DEFAULT NULL COMMENT '渠道入库时间',
  `RESERVATION_RECEIPTNO` varchar(80) COLLATE utf8_bin DEFAULT '' COMMENT '预约入库单号',
  `ITEM` INT(10) AUTO_INCREMENT COMMENT 'EXCEL项次',
    PRIMARY KEY (`CHANNEL`,`PURCHASE_NO`,`WAREHOUSELEVEL2`,`CHANNEL_SKU`,`REQUISITION_NO`,`ITEM`),
    UNIQUE INDEX `idx_uniq_item` (`ITEM`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='电商订单签收导入临时表';
  ALTER TABLE SAM_ORDERSIGN_EXCEL_TEMP AUTO_INCREMENT=2;//从2开始自增

set @@auto_increment_offset = 1;//设置自增为1