Project:Support desk/Sections/Database

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= MediaWiki Database Support =

External 'USER' table

 * MediaWiki version: 1.51
 * PHP version: 5.2
 * MySQL version: 5.1

I want to build a few projects of wiki, but i want that the users will register once. how did i make cooperative 'USER' table for several projects?
 * Add the user table to $wgSharedTables -- Bryan ( talk|commons ) 15:10, 20 October 2009 (UTC)

(Resolved) Wired Data after upgrading of Debian

 * MediaWiki version: 1.11
 * PHP version: 5.2
 * MySQL version: 5.0 / Lastest Debian 5.0
 * URL: http://wiki.seemannsreise.de

After upgrading of debian 5.0 the whole wiki is getting wired. The databases tables itselfes look alright, and instaling a backupdatabase didn't help. What can i do ... ? Richard 212.51.25.1 Update: Upgrading from 1.11 to 1.14 didn't solve the problem.... Update2: Upgrading vom 1.11 to 1.14 with Database Update solved the problem. Everything up and running again :-). See "Upgrading Medawiki" for more information

[Solved] Database error when registered user or Admin try to modify Main page contents

 * MediaWiki version: 1.13.3
 * PHP version: 5
 * MySQL version:
 * URL: http://www.4copter.com/mediawiki

Hello, I have a quite strange problem.

When a logged registered user or logged Admin try to modify the Main page contents he receive an error message: ''Sorry! This site is experiencing technical difficulties. Try waiting a few minutes and reloading. (Can't contact the database server: Unknown error (sql.4copter.com))''

Any non logged user  can modify the main page ! Registered users and Admin when logged can access to their pages.

It is a bug !

'''If I click on the edit link on the left side of the Main page, the hyperlink is something like http://www.mysite.com/mediawiki/index.php?title=main_page&action=edit&section=1

But if I click on the "modify" tab on the top menu of the same page hyperlink is something like http://www.mysite.com/mediawiki/index.php?title=main_page&action=edit

Without the final part of link "&section=1" the page can be modified also by registred user and Admin.


 * Why solved ? where ? I experienced the very same problem.

I will hide editsection until a solution will be found.
 * MediaWiki version: 1.14.0
 * PHP version: 5.2
 * MySQL version: 5.0.51-community
 * free host: http://www.000webhost.com
 * URL: http://www.brunehaud.be

ipblocks table corrupt?

 * MediaWiki version: 1.12
 * PHP version: 5.2.4
 * MySQL version: N/A
 * Postgresql version: 8.3.1
 * URL: N/A (intranet)

I receive the following message when trying to describe table ipblocks "ERROR: expected "[" to start datum, but got "4 [ 1 0 0 0 ]})}"; length = 0".

The reason I noticed this is because database dumps are now failing.

Sorry! This site is experiencing technical difficulties.
I get this error when editing any page. But saving a new page is functional.


 * (sitename) has a problem

Sorry! This site is experiencing technical difficulties.

Try waiting a few minutes and reloading.

(Can't contact the database server: Unknown error (mysql6.000webhost.com))

Can any one please help?

Answer: there is a file in the main folder called 'LocalSettings.php'. This file contains your database username and password information. Check to make sure the credentials are correct - this solved my problem. I had a bad password.

Illegal mix of collations for operation after Upgrade
Live-Wiki (1.3.9) has charset=iso-8859-1 // (German)
 * MediaWiki: 1.14.0 (upgrade from: 1.3.9)
 * PHP: 5.2.4 (apache2handler)
 * MySQL: 5.1.33-community
 * Url: test-machine @ home (Windows)

I've got the following error on some pages: ... aus der Funktion „LinkBatch::doQuery“. MySQL meldete den Fehler „1271: Illegal mix of collations for operation ' IN ' (localhost)“.

I've upgraded via Web-Setup. Shell don't work. wgDBmysql5 is true ... false = no error, but i get problem with umlauts like äöü! The complete database has collation binary (manuelly set) and innodb (manuelly). After upgrade is sometimes innodb, myisam mixed or binary, latin1 mixed. I've tested some "install"-methodes (other settings) to upgrade - nothing work :(

What can i do?

Updating to 1.14
HI,

I upgraded to 1.14 today using ../maintenance/update.php and I have now an error when I want to view a page (in french) :

Erreur de syntaxe de la requête dans la base de données est intervenue. Ceci peut indiquer un bogue dans le logiciel. La dernière requête traitée par la base de données était :

(Requête SQL cachée)

depuis la fonction « OutputPage::addCategoryLinks ». MySQL a renvoyé l’erreur « 1146 : Table 'wwmbxfdgchaton.wiki_page_props' doesn't exist (mysql5-7) »

Here my environment variables.

Please include all of the lines below when reporting installation problems.

* PHP 5.2.9 installed * Found database drivers for: MySQL PostgreSQL * PHP server API is cgi; using ugly URLs (index.php?title=Page_Title) * Have XML / Latin1-UTF-8 conversion support. * Session save path (/tmp) appears to be valid. * PHP's memory_limit is 32M. * Couldn't find Turck MMCache, eAccelerator, APC or XCache; cannot use these for object caching. * Found GNU diff3: /usr/bin/diff3. * Found ImageMagick: /usr/bin/convert; image thumbnailing will be enabled if you enable uploads. * Found GD graphics library built-in. * Installation directory: /homez.150/wwmbxfdg/www/wiki * Script URI path: /wiki * Installing MediaWiki with php file extensions * Environment checked. You can install MediaWiki. *

Generating configuration file... * Database type: MySQL * Loading class: DatabaseMysql * Attempting to connect to database server as wwmbxfdgchaton...success. * Connected to mysql 5.0.68-log; enabling MySQL 4.1/5.0 charset mode * Database wwmbxfdgchaton exists * Creating tables... done. * Initializing statistics...   * Created sysop account JP. *

Creating LocalSettings.php...

Installation successful! Move the config/LocalSettings.php file to the parent directory, then follow this link to your wiki.

You should change file permissions for LocalSettings.php as required to prevent other users on the server reading passwords and altering configuration data.

Thanks for your help.

merging two different wikimedia databases

 * MediaWiki version: 1.14
 * PHP version: 5.1.6
 * MySQL version: 5.0.45
 * URL:

We have two different wikimedia systems on two different servers (both have the same versions for MediaWiki, PHP and MySQL) and now we want to merge them into a single wiki system on one of the server. The problem is, I can't just restore a dump file since both databases have the same ids for different pages and images, and with 870 uploaded images, the idea of manually editing the dump file doesn't seem so charming. Is there a way to merge both databases and somehow automatically change the ids? Or is the best way simply copying the pages from one wiki to the other and re-uploading the images?

Update: I tried adding some INSERT lines from one dump to the other (the key columns are different, so there's no problem here) and restoring that dump. It seems to work fine, but with a small problem: any Hebrew link is in gibberish, instead, and links to a page with that Gibberish name, so I don't think it's just an encoding problem.

—FishyWorm 14:31, 22 October 2009 (UTC)

How does the image system work?

 * MediaWiki version: 1.15.1
 * PHP version: 5.2.6
 * MySQL version: 5.0.51a
 * URL: no can do

I have what should be a fairly simple question... I consider myself very well-rounded in mediawiki administration, but there is ONE thing that I cannot figure out how it works. Could anyone please explain where in the database images and files are linked to their physical file? Or direct me to the appropriate info. I have searched everywhere to figure out how this works but to no avail. I would like to know because porting a large amount of files or images would be made much easier if it could be batched in SQL.

—Bsmithme 21:48, 28 October 2009 (UTC)

SQLite installed, but configure/index.php says no

 * MediaWiki version: 1.15.1
 * PHP version: $ php -v reports PHP 5.1.6 (cli) (built: Feb 26 2009 07:01:12)
 * MySQL version: ]$ sqlite3 -version reports 3.3.6

config/index.php reports "PHP 5.1.6 installed Could not find a suitable database driver!", yet SQLite is installed and supported by PHP:

$ php -i | grep -i ^configure | tr ' ' \\n | grep sqlite '--without-sqlite' '--with-pdo-sqlite=shared,/usr'

Is that sufficient? How can I test the database support independently, and/or diagnose why MediaWiki thinks it's not there? (I've never used PHP, famous as it is. I found several examples of PHP code to prove SQLite works, but none to display an error message when it doesn't.)

FWIW, I also put this in LocalSettings.php:

error_reporting(E_ALL); ini_set("display_errors", 1);

$wgDebugLogFile = '/tmp/mediawiki.debug_log.txt';

Many thanks.

—206.218.223.52 17:36, 30 October 2009 (UTC) jkl
 * After an IRC discussion, it looked like that PDO support was needed. Max Semenik 12:00, 31 October 2009 (UTC)

Database Syntax error - tables not available

 * MediaWiki version: previously 1.11, upgraded now to 1.15.1
 * PHP version: 5.2.3
 * MySQL version: 5.0.27

I recently upgraded to MediaWiki 1.15.1. I face the following issue when I click on the 'history' tab or some other links on the page:

'' A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:

''   (SQL query hidden)

''from within function "ChangeTags::listDefinedTags". MySQL returned error "1146: Table 'erwikidb.valid_tag' doesn't exist ''(localhost)".

and on other pages I get ''-	from within function "IndexPager::reallyDoQuery (LogPager)". MySQL returned error "1146: Table 'erwikidb.tag_summary' '' doesn't exist (localhost)".

and so forth..

When I checked the database I found that the tables valid_tag and tag_summary weren't created at all. I have run the installer again on my server for a fresh installation of 1.15.1 and have run the update.php script several times, but the same error keeps popping up.

—Srutsam 18:39, 6 November 2009 (UTC)

Database error - "MediaWikiBagOStuff::_doquery"

 * MediaWiki version: MediaWiki: 1.6.12
 * PHP version: PHP: 4.3.11 (cgi-fcgi)
 * MySQL version: MySQL: 4.1.14
 * Server: Yahoo
 * URL: http://www.zamboanga.com/z/index.php?title=Rawda_S._Mustafa
 * This error happened 11/09/09
 * URL: http://www.zamboanga.com/z/index.php?title=Neal_P._Gacrama
 * This error happened 11/10/09

This is the error message: Database error From Z-Wiki, your global connection to relevancy.

A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:

(SQL query hidden)

from within function "MediaWikiBagOStuff::_doquery". MySQL returned error "1030: Got error 134 from storage engine (mysql)". Retrieved from "http://www.zamboanga.com/z/index.php?title=Rawda_S._Mustafa"

--Kuhitkuhit 18:31, 10 November 2009 (UTC)

The whole wiki is down

 * Now the whole Wiki is down. Over 40,000 pages can't be accessed.
 * Nobody can login.
 * This is the message we get no matter where anyone goes.

Database error From Z-Wiki, your global connection to relevancy.

A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was: (SQL query hidden)

from within function "MediaWikiBagOStuff::_doquery". MySQL returned error "1016: Can't open file: 'mz_objectcache.MYI' (errno: 145) (mysql)". Retrieved from "http://zamboanga.com/z/index.php?title=Main_Page"
 * Your database seems to be damaged. Refer to MySQL documentation on how to correct it, or restore from backup. Max Semenik 07:19, 11 November 2009 (UTC)