Manual:sites table

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Manual:Contents MediaWiki database layout sites table

MediaWiki version: 1.21

The sites table, introduced in MediaWiki 1.21 in May 2013, holds all the sites known to the wiki.



MediaWiki version: 1.21

Numeric id of the site. This is an auto-incrementing primary key.


MediaWiki version: 1.21

Global identifier for the site, ie 'enwiktionary'


MediaWiki version: 1.21

Type of the site, ie 'mediawiki'


MediaWiki version: 1.21

Group of the site, ie 'wikipedia'


MediaWiki version: 1.21

Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'


MediaWiki version: 1.21

Language code of the sites primary language.


MediaWiki version: 1.21

Protocol of the site, ie 'http://', 'irc://', '//'.

This field is an index for lookups and is built from type specific data in site_data.


MediaWiki version: 1.21

Domain of the site in reverse order, ie 'gro.ikiwaidem.www.'.

This field is an index for lookups and is built from type specific data in site_data.


MediaWiki version: 1.21

Type dependent site data.


MediaWiki version: 1.21

If site.tld/path/key:pageTitle should forward users to the page on the actual site, where "key" is the local identifier.


MediaWiki version: 1.21

Type dependent site config. For instance if template transclusion should be allowed if it's a MediaWiki.

Managing the sites table[edit]

The sites table is shipped without data for a new MediaWiki installation.

Importing sites table from another wiki[edit]

There're two ways of populating the sites table using another wiki as a source. If you've access to the other wikis server, you can run the exportSite.php maintenance script and import the data using the importSites.php maintenance script of your MediaWiki installation.

If you don't have access to the other wikis server but the other MediaWiki installation has the SiteMatrix extension installed, you can use a maintenance script from the Wikibase extension (populateSitesTable.php) to import all sites from the other wiki.

Adding a new site[edit]

If you want to add a new site into your MediaWiki's site table, you can use the maintenance script addSite.php.

Additionally, the above mentioned importSites.php maintenance script can be used to add an arbitrary group of wikis from custom made XML file in the following format:

<sites version="1.0" xmlns="">
	<site type="mediawiki">
		<path type="file_path">$1</path>
		<path type="page_path">$1</path>
	<site type="mediawiki">
		<path type="file_path">$1</path>
		<path type="page_path">$1</path>

Each <site> element representing a site.

file_path and page_path can be inferred from Special:Version page of the intended wiki.

Insert wiki family (using Script)[edit]

Sometimes, you have to add your wikis in this table. You can use this code:

$sites = [];
foreach ( [ 'en', 'fr' ] as $langCode ) {
     $site = new MediaWikiSite();
     $site->setGlobalId( $langCode . 'mywiki' );
     $site->setGroup( 'mywiki' );
     $site->setLanguageCode( $langCode );
     $site->addInterwikiId( $langCode );
     $site->addNavigationId( $langCode );
     $site->setPath( MediaWikiSite::PATH_PAGE, "http://$$1" );
     $site->setPath( MediaWikiSite::PATH_FILE, "http://$$1" );           
     $sites[] = $site;
$sitesTable = SiteSQLStore::newInstance();
$sitesTable->clear(); // This will remove all previous entries from the table. Remove this call if you want to keep them.
$sitesTable->saveSites( $sites );

Schema summary[edit]

MediaWiki version: 1.21


| Field           | Type             | Null | Key | Default | Extra          |
| site_id         | int(10) unsigned | NO   | PRI | NULL    | auto_increment |
| site_global_key | varbinary(32)    | NO   | UNI | NULL    |                |
| site_type       | varbinary(32)    | NO   | MUL | NULL    |                |
| site_group      | varbinary(32)    | NO   | MUL | NULL    |                |
| site_source     | varbinary(32)    | NO   | MUL | NULL    |                |
| site_language   | varbinary(32)    | NO   | MUL | NULL    |                |
| site_protocol   | varbinary(32)    | NO   | MUL | NULL    |                |
| site_domain     | varbinary(255)   | NO   | MUL | NULL    |                |
| site_data       | blob             | NO   |     | NULL    |                |
| site_forward    | tinyint(1)       | NO   | MUL | NULL    |                |
| site_config     | blob             | NO   |     | NULL    |                |