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:
复制代码 代码如下:
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;
