Handbuch:templatelinks-Tabelle

This page is a translated version of the page Manual:Templatelinks table and the translation is 31% complete.
Handbuch:Inhaltsübersicht MediaWiki-Datenbank-Layout templatelinks-Tabelle
MediaWiki Version:
1.6

The templatelinks table contains for each current transclusion the id of the host page, the namespace number of the included page, and its title without namespace.

The target page may or may not exist, and due to renames and deletions may refer to different page records as time goes by.

Felder

tl_from

Key to the page_id of the page containing the link.

tl_namespace

Key to page_namespace of the target page. Used in conjunction with tl_title.

tl_title

Key to page_title of the target page. Used in conjunction with tl_namespace.

tl_from_namespace

MediaWiki Version:
1.24

page_namespace of the page containing the link.

tl_target_id

Foreign key to linktarget.lt_id

Schematische Übersicht

MediaWiki Version:
1.38

DESCRIBE templatelinks;

+-------------------+---------------------+------+-----+---------+-------+
| Field             | Type                | Null | Key | Default | Extra |
+-------------------+---------------------+------+-----+---------+-------+
| tl_from           | int(10) unsigned    | NO   | PRI | 0       |       |
| tl_namespace      | int(11)             | NO   | PRI | 0       |       |
| tl_title          | varbinary(255)      | NO   | PRI |         |       |
| tl_from_namespace | int(11)             | NO   | MUL | 0       |       |
| tl_target_id      | bigint(20) unsigned | YES  | MUL | NULL    |       |
+-------------------+---------------------+------+-----+---------+-------+
MediaWiki Versions:
1.36 – 1.37

DESCRIBE templatelinks;

+-------------------+------------------+------+-----+---------+-------+
| Field             | Type             | Null | Key | Default | Extra |
+-------------------+------------------+------+-----+---------+-------+
| tl_from           | int(10) unsigned | NO   | PRI | 0       |       |
| tl_namespace      | int(11)          | NO   | PRI | 0       |       |
| tl_title          | varbinary(255)   | NO   | PRI |         |       |
| tl_from_namespace | int(11)          | NO   | MUL | 0       |       |
+-------------------+------------------+------+-----+---------+-------+
MediaWiki Versions:
1.26 – 1.35

DESCRIBE templatelinks;

+-------------------+------------------+------+-----+---------+-------+
| Field             | Type             | Null | Key | Default | Extra |
+-------------------+------------------+------+-----+---------+-------+
| tl_from           | int(10) unsigned | NO   | PRI | 0       |       |
| tl_from_namespace | int(11)          | NO   | MUL | 0       |       |
| tl_namespace      | int(11)          | NO   | PRI | 0       |       |
| tl_title          | varbinary(255)   | NO   | PRI |         |       |
+-------------------+------------------+------+-----+---------+-------+
MediaWiki Versions:
1.24 – 1.25

DESCRIBE templatelinks;

+-------------------+---------------------+------+-----+-----------+-------+
| Field             | Type                | Null | Key | Default   | Extra |
+-------------------+---------------------+------+-----+-----------+-------+
| tl_from           | int(10) unsigned    | NO   | PRI | 0         |       |
| tl_from_namespace | int(11)             | NO   |     | 0         |       |
| tl_namespace      | int(11)             | NO   | PRI | 0         |       |
| tl_title          | varchar(255) binary | NO   | PRI | 0         |       |
+-------------------+---------------------+------+-----+-----------+-------+
MediaWiki Versions:
1.10 – 1.23

DESCRIBE templatelinks;

+---------------+---------------------+------+-----+-----------+-------+
| Field         | Type                | Null | Key | Default   | Extra |
+---------------+---------------------+------+-----+-----------+-------+
| tl_from       | int(10) unsigned    | NO   | PRI | 0         |       |
| tl_namespace  | int(11)             | NO   | PRI | 0         |       |
| tl_title      | varchar(255) binary | NO   | PRI | 0         |       |
+---------------+---------------------+------+-----+-----------+-------+
MediaWiki Versions:
1.6 – 1.9

DESCRIBE templatelinks;

+---------------+---------------------+------+-----+-----------+-------+
| Field         | Type                | Null | Key | Default   | Extra |
+---------------+---------------------+------+-----+-----------+-------+
| tl_from       | int(8) unsigned     | NO   | PRI | 0         |       |
| tl_namespace  | int(8)              | NO   | PRI | 0         |       |
| tl_title      | varchar(255) binary | NO   | PRI | 0         |       |
+---------------+---------------------+------+-----+-----------+-------+

Indexe

MediaWiki Version:
1.38

SHOW INDEX IN templatelinks;

+---------------+------------+----------------------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table         | Non_unique | Key_name                         | Seq_in_index | Column_name       | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+---------------+------------+----------------------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| templatelinks |          0 | PRIMARY                          |            1 | tl_from           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          0 | PRIMARY                          |            2 | tl_namespace      | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          0 | PRIMARY                          |            3 | tl_title          | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_namespace                     |            1 | tl_namespace      | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_namespace                     |            2 | tl_title          | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_namespace                     |            3 | tl_from           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace           |            1 | tl_from_namespace | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace           |            2 | tl_namespace      | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace           |            3 | tl_title          | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace           |            4 | tl_from           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_target_id                     |            1 | tl_target_id      | A         |           0 |     NULL | NULL   | YES  | BTREE      |         |               |
| templatelinks |          1 | tl_target_id                     |            2 | tl_from           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace_target_id |            1 | tl_from_namespace | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace_target_id |            2 | tl_target_id      | A         |           0 |     NULL | NULL   | YES  | BTREE      |         |               |
| templatelinks |          1 | tl_backlinks_namespace_target_id |            3 | tl_from           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+---------------+------------+----------------------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+