مشاكل وحلول قواعد البيانات

[عبدو صالح]

هذه بعض من المشاكل التي تواجهنا في قواعد البيانات وطريقة حلها

المشكله

Invalid SQL: 
SELECT forum.forumid, lastpost, lastposter, lastthread, lastthreadid, lasticonid, threadcount, replycount
FROM forum AS forum


mysql error: Unknown column 'lastthread' in 'field list'


mysql error number: 1054


Date: Monday 30th of May 2005 1027 AM 

الحل

ازرع ها الامرين

ALTER TABLE `forum` ADD `lastthread` CHAR( 250 ) NOT NULL ; 

ALTER TABLE `forum` ADD `lastthreadid` INT( 10 ) NOT NULL ; 

========================= ========================= ======


المشكلة

Invalid SQL: SELECT whoviewed FROM thread WHERE threadid = 5879
mysql error: Unknown column 'whoviewed' in 'field list'


mysql error number: 1054


Date: Tuesday 31st of May 2005 02:02:03 PM 

الحل


اعمل اصلاح للجداول وقاعدة البيانات


========================= ========================


المشكله

Invalid SQL: SELECT u.userid, u.username FROM user u WHERE u.downloads LIKE "32%" OR u.downloads LIKE "%32%" OR u.downloads LIKE "%32" ORDER BY u.username ASC
mysql error: Unknown column 'u.downloads' in 'where clause'


mysql error number: 1054 

الحل

ازرع الامر التالي

ALTER TABLE `user` ADD `downloads` text NOT NULL; 

========================= ========================= =



المشكلة

Database error in vBulletin 3.0.7:


Invalid SQL:
UPDATE poll
SET votes = '1|||0|||0|||0',
voters = voters + 1,
lastvote = 1118582446
WHERE pollid = 2


mysql error: Unknown column 'lastvote' in 'field list'


mysql error number: 1054


Date: Sunday 12th of June 2005 1046 AM 

الحل

ازرع الامر التالي

ALTER TABLE `poll` ADD `lastvote` INT(15) DEFAULT '0' NOT NULL; 

========================= ===============


المشكلة



<!--

Database error in vBulletin :


Link-ID == false, connect failed
mysql error: 


mysql error number: 0


Date: Monday 13th of March 2006 0331 AM 

الحل


قاعدة البيانات فصلت من السيرفر


========================= ================


المشكله

Database error in vBulletin 3.5.3:


Invalid SQL:


SELECT 
IF(votenum >= 1, votenum, 0) AS votenum,
IF(votenum >= 1 AND votenum > 0, votetotal / votenum, 0) AS voteavg,
post.pagetext AS preview,
thread.threadid, thread.title AS threadtitle, thread.forumid, pollid, open,
replycount, postusername, postuserid, thread.iconid AS threadiconid,
thread.lastpost, lastposter, thread.dateline, IF(views<=replycount,
replycount+1, views) AS views, notes, thread.visible, sticky, votetotal,
thread.attach,
hiddencount
, NOT ISNULL(subscribethread.subscribethreadid) AS issubscribed
, deletionlog.userid AS del_userid, deletionlog.username AS del_username,
deletionlog.reason AS del_reason


FROM thread AS thread
LEFT JOIN deletionlog AS deletionlog ON(thread.threadid =
deletionlog.primaryid AND type = 'thread')
LEFT JOIN subscribethread AS subscribethread ON(subscribethread.threadid =
thread.threadid AND subscribethread.userid = 1)


LEFT JOIN post AS post ON(post.postid = thread.firstpostid)



WHERE thread.threadid IN
(0,1478,1394,1447,1489,1487,1485,1481,1370,1476,13 59,1421,1424,1269,1387,1231,1348,1239,1437,1417,14 48,91,460,420,507,1395) 
ORDER BY sticky DESC, thread.lastpost DESC;


MySQL Error : Can't open file: 'post.MYI'. (errno: 144)
Error Number : 1016
Date : Sunday, March 5th 2006 @ 0917 AM 

الحل


اصلاح قواعد البيانات والجداول


وقالبآ ما يجيك هذا الخطاء
Can't open file:xxxMYI


========================= =======================


المشكلة

Invalid SQL:


SELECT
user.username, (user.options & 512) AS invisible, user.usergroupid,
session.userid, session.inforum, session.lastactivity,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid
FROM session AS session
LEFT JOIN user AS user ON(user.userid = session.userid)
WHERE session.lastactivity > 1141921235
ORDER BY username ASC;


MySQL Error : Can't open file: 'session.MYI' (errno: 145)
Error Number : 1016
Date : Thursday, March 9th 2006 @ 0836 AM 

الحل


ازرع الامرين

DELETE FROM session;





CREATE TABLE session ( 

sessionhash varchar(32) NOT NULL default '', 

userid int(10) unsigned NOT NULL default '0', 

host varchar(15) NOT NULL default '', 

lastactivity int(10) unsigned NOT NULL default '0', 

styleid smallint(5) unsigned NOT NULL default '0', 

location varchar(255) NOT NULL default '', 

althash varchar(32) NOT NULL default '', 

badlocation tinyint(3) unsigned NOT NULL default '0', 

inforum smallint(5) unsigned NOT NULL default '0', 

inthread int(10) unsigned NOT NULL default '0', 

incalendar int(10) unsigned NOT NULL default '0', 

loggedin smallint(5) unsigned NOT NULL default '0', 

idhash varchar(32) NOT NULL default '', 

useragent varchar(100) NOT NULL default '', 

bypass smallint(6) NOT NULL default '0', 

PRIMARY KEY (sessionhash) 

) TYPE=HEAP; 

========================= ====================




المشكلة

Database error in vBulletin 3.5.4:


Invalid SQL:


SELECT 
userfield.*, usertextfield.*, user.*, UNIX_TIMESTAMP(passworddate) AS passworddate,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid,
language.phrasegroup_holiday AS phrasegroup_holiday,
language.phrasegroup_global AS phrasegroup_global,
language.options AS lang_options,
language.languagecode AS lang_code,
language.charset AS lang_charset,
language.locale AS lang_locale,
language.imagesoverride AS lang_imagesoverride,
language.dateoverride AS lang_dateoverride,
language.timeoverride AS lang_timeoverride,
language.registereddateoverride AS lang_registereddateoverride,
language.calformat1override AS lang_calformat1override,
language.calformat2override AS lang_calformat2override,
language.logdateoverride AS lang_logdateoverride,
language.decimalsep AS lang_decimalsep,
language.thousandsep AS lang_thousandsep


FROM user AS user
LEFT JOIN userfield AS userfield ON (user.userid = userfield.userid)
LEFT JOIN usertextfield AS usertextfield ON (usertextfield.userid = user.userid) INNER JOIN language AS language ON (language.languageid = IF(user.languageid = 0, 5, user.languageid)) 


WHERE user.userid = 358;


MySQL Error : Unknown column 'language.phrasegroup_global' in 'field list'
Error Number : 1054
Date : Saturday, May 20th 2006 @ 0850 AM
****** :xxxxxxxxxxxx
Referrer : xxxxxxxxxxxxxxxxxx
IP Address : xxxxxxxx
Username : 
Classname : vb_database 

الحل

ازرع ها الامر

ALTER TABLE `language` ADD INDEX ( `phrasegroup_global` )