CREATE OR REPLACE VIEW BLOG_V_ADMIN
(ID,NICKNAME,SEX,EMAIL,PHONE,QQ,MSN,HTTP,REGISTER_TIME,
IP,LAST_LOGIN_IP,LOGIN_TIME)
AS
SELECT
A.ID,A.NICKNAME,A.SEX,A.EMAIL,A.PHONE,A.QQ,A.MSN,A.HTTP,A.REGISTER_TIME,
B.IP AS LAST_LOGIN_IP,B.LOGIN_TIME AS LAST_LOGIN_TIME
FROM
BLOG_ADMIN A LEFT JOIN
BLOG_ADMIN_LOGIN_TRACK B ON B.ADMIN = A.ID LEFT JOIN
(SELECT ADMIN,MAX(LOGIN_TIME) AS LOGIN_TIME FROM BLOG_ADMIN_LOGIN_TRACK GROUP BY ADMIN) C ON B.ADMIN = C.ADMIN;
ERROR 1349 (HY000): View's SELECT contains a subquery in the FROM clause
这是BUG吗?见:http://bugs.mysql.com/bug.php?id=16757
木有办法,我只好这样改了:
CREATE OR REPLACE VIEW BLOG_V_ADMIN
(ID,NICKNAME,SEX,EMAIL,PHONE,QQ,MSN,HTTP,REGISTER_TIME,
LOGIN_TIME,LAST_LOGIN_IP)
AS
SELECT
A.ID,A.NICKNAME,A.SEX,A.EMAIL,A.PHONE,A.QQ,A.MSN,A.HTTP,A.REGISTER_TIME,
(SELECT LOGIN_TIME FROM BLOG_ADMIN_LOGIN_TRACK WHERE ADMIN = A.ID ORDER BY LOGIN_TIME DESC LIMIT 1) AS LAST_LOGIN_TIME,
(SELECT INET_NTOA(IP) FROM BLOG_ADMIN_LOGIN_TRACK WHERE ADMIN = A.ID ORDER BY LOGIN_TIME DESC LIMIT 1) AS LAST_LOGIN_IP
FROM
BLOG_ADMIN A;
您可能感兴趣的文章:
mysql三张表连接建立视图MySQL在多表上创建视图方法mysql视图原理与用法实例小结MySQL视图原理与基本操作示例利用python解决mysql视图导入导出依赖的问题MySQL中索引与视图的用法与区别详解详解Mysql中的视图MySQL笔记之视图的使用详解MySQL中Update、select联用操作单表、多表,及视图与临时表的区别