Manual:querycache_info table

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MediaWiki database layout

querycache_info table

querycache_info table contains details of updates to cached special pages.

Fields

qci_type

Corresponds to a qc_type value

qci_timestamp

Timestamp of last update

Versions

MediaWiki version:

≥ 1.18

+---------------+---------------+------+-----+----------------+-------+
| Field         | Type          | Null | Key | Default        | Extra |
+---------------+---------------+------+-----+----------------+-------+
| qci_type      | varbinary(32) | NO   | PRI | NULL           |       |
| qci_timestamp | char(14)      | NO   |     | 19700101000000 |       |
+---------------+---------------+------+-----+----------------+-------+

MediaWiki version:

1.12

+---------------+-------------+------+-----+----------------+-------+
| Field         | Type        | Null | Key | Default        | Extra |
+---------------+-------------+------+-----+----------------+-------+
| qci_type      | varchar(32) | NO   | PRI | NULL           |       |
| qci_timestamp | char(14)    | NO   |     | 19700101000000 |       |
+---------------+-------------+------+-----+----------------+-------+

MediaWiki version:

1.11

+---------------+-------------+------+-----+----------------+-------+
| Field         | Type        | Null | Key | Default        | Extra |
+---------------+-------------+------+-----+----------------+-------+
| qci_type      | varchar(32) | NO   | PRI | NULL           |       |
| qci_timestamp | binary(14)  | NO   |     | 19700101000000 |       |
+---------------+-------------+------+-----+----------------+-------+

MediaWiki version:

1.9

+---------------+-------------+------+-----+----------------+-------+
| Field         | Type        | Null | Key | Default        | Extra |
+---------------+-------------+------+-----+----------------+-------+
| qci_type      | varchar(32) | NO   | PRI | NULL           |       |
| qci_timestamp | char(14)    | NO   |     | 19700101000000 |       |
+---------------+-------------+------+-----+----------------+-------+

MediaWiki version:

1.8

DESCRIBE querycache_info; in MediaWiki 1.8 gives the following:

+---------------+-------------+------+-----+----------------+-------+
| Field         | Type        | Null | Key | Default        | Extra |
+---------------+-------------+------+-----+----------------+-------+
| qci_type      | varchar(32) | NO   | PRI | NULL           |       |
| qci_timestamp | char(14)    | NO   |     | 19700101000000 |       |
+---------------+-------------+------+-----+----------------+-------+

Databases

Engines: MySQL – Oracle – PostgreSQL – SQLite Technical documentation: Schema (tables) – API property associations – Field prefixes – Primary key storage in other fields – Wikimedia extension tables Configuration: Settings – Sharing Development: Access – Optimization – Policy – Updater – Extension schema updates – Patch file Core tables: archive – category – categorylinks – change_tag – config – externallinks – filearchive – hitcounter – image – imagelinks – interwiki – iwlinks – ipblocks – job – l10n_cache – langlinks – logging – log_search – msg_resource – msg_resource_links – module_deps – objectcache – oldimage – page – pagelinks – page_props – page_restrictions – protected_titles – querycache – querycachetwo – querycache_info – recentchanges – redirect – revision – searchindex – sites – site_stats – tag_summary – templatelinks – text – transcache – updatelog – uploadstash – user – user_former_groups – user_groups – user_newtalk – user_properties – valid_tag – watchlist