代碼如下:

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

這是BUG嗎?見:http://bugs.mysql.com/bug.php?id=16757

木有辦法,我只好這樣改了:

代碼如下:

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;

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