select @rownum:=@rownum+1 AS rownum,b.* from (SELECT @rownum:=0) r ,goods_description_new b
mysql 伪列
推荐阅读
- POJ 3061 Subsequence (二分||尺取法)
- 快速排序(quickSort)
- POJ 2386 Lake Counting(DFS)
- Codeforces 814A - An abandoned sentiment from past(水题)
- UESTC 31 饭卡(DP 01背包+贪心)
- AizuOJ ALDS1_7_A Rooted Trees(有根树的表达)
- POJ 2229 Sumsets(简单DP)
- Codeforces 313B - Ilya and Queries(水题)
- poj 3233 Matrix Power Series(矩阵快速幂+二分)
- Codeforces Round #460 (Div. 2) A B C D