Manual:updatelog table

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<translate> MediaWiki database layout</translate>

<translate> <tvar name=1>updatelog</tvar> table</translate>

MediaWiki version:

<translate> ≥</translate> 1.13

The updatelog table logs MediaWiki updates, one text key row per executed update script.

Fields

ul_key

Pointer to a maintenance script, which was executed during a MediaWiki update. For update.php entries are formatted like updatelist-1.22.3-1393593680. Pointer to the maintenance script, MediaWiki version and timestamp in UNIX time.

ul_value

MediaWiki version:

<translate> ≥</translate> 1.17

Serialized data of the logged action; not present for old entries (pre 1.17).

Schema summary

MediaWiki version:

<translate> ≥</translate> 1.17

DESCRIBE updatelog;

+----------+----------------+------+-----+---------+-------+
| Field    | Type           | Null | Key | Default | Extra |
+----------+----------------+------+-----+---------+-------+
| ul_key   | varbinary(255) | NO   | PRI | NULL    |       |
| ul_value | blob           | YES  |     | NULL    |       |
+----------+----------------+------+-----+---------+-------+

<td class="mw-version-versionbox" title="<translate nowrap> MediaWiki <tvar name=1>1.16</tvar> is unsupported version</translate>">

1.13 – 1.16

<translate> MediaWiki versions:</translate>

DESCRIBE updatelog;

+--------+----------------+------+-----+---------+-------+
| Field  | Type           | Null | Key | Default | Extra |
+--------+----------------+------+-----+---------+-------+
| ul_key | varbinary(255) | NO   | PRI | NULL    |       |
+--------+----------------+------+-----+---------+-------+

Indexes

MediaWiki version:

<translate> ≥</translate> 1.13

SHOW INDEX IN updatelog;

+-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table     | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| updatelog |          0 | PRIMARY  |            1 | ul_key      | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+-----------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+