sql变量使用实例

SET @tmp=980; 
SET @co='1468057042';
UPDATE  httl_price SET PRICE_PRICE=@tmp WHERE PRICE_GOODS_CODE=@co AND PRICE_YEAR='1';
UPDATE  httl_price SET PRICE_PRICE=@tmp*PRICE_YEAR WHERE PRICE_GOODS_CODE=@co AND PRICE_YEAR='2';
UPDATE  httl_price SET PRICE_PRICE=@tmp*PRICE_YEAR WHERE PRICE_GOODS_CODE=@co AND PRICE_YEAR='3';
UPDATE  httl_price SET PRICE_PRICE=@tmp*PRICE_YEAR WHERE PRICE_GOODS_CODE=@co AND PRICE_YEAR='5';
SELECT * FROM price WHERE PRICE_GOODS_CODE=@co


SET @tmp='1468057042';
INSERT INTO httl_price (PRICE_CODE,PRICE_GOODS_CODE,PRICE_YEAR,PRICE_PRICE,PRICE_OLD_PRICE,PRICE_TYPE)
VALUES('8208602803',@tmp,1,'56','null','1');
INSERT INTO httl_price (PRICE_CODE,PRICE_GOODS_CODE,PRICE_YEAR,PRICE_PRICE,PRICE_OLD_PRICE,PRICE_TYPE)
VALUES('8632475175',@tmp,2,'56','null','1');
INSERT INTO httl_price (PRICE_CODE,PRICE_GOODS_CODE,PRICE_YEAR,PRICE_PRICE,PRICE_OLD_PRICE,PRICE_TYPE)
VALUES('7157438427',@tmp,3,'56','null','1');
INSERT INTO httl_price (PRICE_CODE,PRICE_GOODS_CODE,PRICE_YEAR,PRICE_PRICE,PRICE_OLD_PRICE,PRICE_TYPE)
VALUES('7773212660',@tmp,5,'56','null','1');
SELECT * FROM price WHERE PRICE_GOODS_CODE=@tmp