The interwiki table stores the interwiki prefixes with their targets. See default interwiki prefixes. The interwiki links themselves are stored in the iwlinks table. This data can be accessed using the Interwiki
class.
The prefix of the interwiki link; this is used the same way as a namespace is used when editing.
The target of the link; the page name is substituted for $1
.
≥ 1.17
The URL of the file api.php . This is not used except by ApiQuerySiteinfo::appendInterwikiMap(), when an interwiki map is requested via siprop=interwikimap .
MediaWiki version:≥ 1.17
The name of the database (for a connection to be established with wfGetLB( 'wikiid' )
)
Informs MediaWiki how it should treat interwiki links coming from external sources. If iw_local is 1, then it will treat these links as though they were generated from within the local wiki.
Therefore, the link to https://en.wikipedia.org/wiki/fr:Accueil gracefully redirects you to the French Homepage (Accueil). However, the WorldCat ISSN catalog is flagged 0 on en.wikipedia.org; the link to https://en.wikipedia.org/wiki/issn:1021-9749 does not work, even though [[issn:1021-9749]]
would work if it were on a local Wikipedia page.
This is used to allow transcluding templates (or other pages) from another MediaWiki installation. Both $wgEnableScaryTranscluding
and iw_trans
need to be on.
≥ 1.17
DESCRIBE interwiki;
+-----------+---------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+---------------+------+-----+---------+-------+ | iw_prefix | varbinary(32) | NO | PRI | NULL | | | iw_url | blob | NO | | NULL | | | iw_api | blob | NO | | NULL | | | iw_wikiid | varbinary(64) | NO | | NULL | | | iw_local | tinyint(1) | NO | | NULL | | | iw_trans | tinyint(4) | NO | | 0 | | +-----------+---------------+------+-----+---------+-------+MediaWiki versions:
1.10 – 1.16
DESCRIBE interwiki;
+-----------+---------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+---------------+------+-----+---------+-------+ | iw_prefix | varbinary(32) | NO | PRI | NULL | | | iw_url | blob | NO | | NULL | | | iw_local | tinyint(1) | NO | | NULL | | | iw_trans | tinyint(4) | NO | | 0 | | +-----------+---------------+------+-----+---------+-------+MediaWiki versions:
1.5 – 1.9
DESCRIBE interwiki;
+-----------+------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+------------+------+-----+---------+-------+ | iw_prefix | char(32) | NO | PRI | NULL | | | iw_url | char(127) | NO | | NULL | | | iw_local | bool | NO | | NULL | | | iw_trans | tinyint(1) | NO | | 0 | | +-----------+------------+------+-----+---------+-------+MediaWiki versions:
1.1 – 1.4
DESCRIBE interwiki;
+-----------+------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+------------+------+-----+---------+-------+ | iw_prefix | char(32) | NO | PRI | NULL | | | iw_url | char(127) | NO | | NULL | | | iw_local | bool | NO | | NULL | | +-----------+------------+------+-----+---------+-------+MediaWiki version:
≥ 1.32
SHOW INDEX IN interwiki;
+-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | interwiki | 0 | PRIMARY | 1 | iw_prefix | A | 0 | NULL | NULL | | BTREE | | | +-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
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