1 -- SQL to create the initial tables for the MediaWiki database.
2 -- This is read and executed by the install script; you should
3 -- not have to run it by itself unless doing a manual install.
5 -- This is a shared schema file used for both MySQL and SQLite installs.
7 -- For more documentation on the database schema, see
8 -- https://www.mediawiki.org/wiki/Manual:Database_layout
12 -- If possible, create tables as InnoDB to benefit from the
13 -- superior resiliency against crashes and ability to read
14 -- during writes (and write during reads!)
16 -- Only the 'searchindex' table requires MyISAM due to the
17 -- requirement for fulltext index support, which is missing
21 -- The MySQL table backend for MediaWiki currently uses
22 -- 14-character BINARY or VARBINARY fields to store timestamps.
23 -- The format is YYYYMMDDHHMMSS, which is derived from the
24 -- text format of MySQL's TIMESTAMP fields.
26 -- Historically TIMESTAMP fields were used, but abandoned
27 -- in early 2002 after a lot of trouble with the fields
30 -- The Postgres backend uses TIMESTAMPTZ fields for timestamps,
31 -- and we will migrate the MySQL definitions at some point as
35 -- The /*_*/ comments in this and other files are
36 -- replaced with the defined table prefix by the installer
37 -- and updater scripts. If you are installing or running
38 -- updates manually, you will need to manually insert the
39 -- table prefix if any when running these scripts.
44 -- The user table contains basic account information,
45 -- authentication keys, etc.
47 -- Some multi-wiki sites may share a single central user table
48 -- between separate wikis using the $wgSharedDB setting.
50 -- Note that when a external authentication plugin is used,
51 -- user table entries still need to be created to store
52 -- preferences and to key tracking information in the other
55 CREATE TABLE /*_*/user (
56 user_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
58 -- Usernames must be unique, must not be in the form of
59 -- an IP address. _Shouldn't_ allow slashes or case
60 -- conflicts. Spaces are allowed, and are _not_ converted
61 -- to underscores like titles. See the User::newFromName() for
62 -- the specific tests that usernames have to pass.
63 user_name
varchar(255) binary NOT NULL default '',
65 -- Optional 'real name' to be displayed in credit listings
66 user_real_name
varchar(255) binary NOT NULL default '',
68 -- Password hashes, see User::crypt() and User::comparePasswords()
69 -- in User.php for the algorithm
70 user_password tinyblob
NOT NULL,
72 -- When using 'mail me a new password', a random
73 -- password is generated and the hash stored here.
74 -- The previous password is left in place until
75 -- someone actually logs in with the new password,
76 -- at which point the hash is moved to user_password
77 -- and the old password is invalidated.
78 user_newpassword tinyblob
NOT NULL,
80 -- Timestamp of the last time when a new password was
81 -- sent, for throttling and expiring purposes
82 -- Emailed passwords will expire $wgNewPasswordExpiry
83 -- (a week) after being set. If user_newpass_time is NULL
84 -- (eg. created by mail) it doesn't expire.
85 user_newpass_time
binary(14),
87 -- Note: email should be restricted, not public info.
88 -- Same with passwords.
89 user_email tinytext
NOT NULL,
91 -- If the browser sends an If-Modified-Since header, a 304 response is
92 -- suppressed if the value in this field for the current user is later than
93 -- the value in the IMS header. That is, this field is an invalidation timestamp
94 -- for the browser cache of logged-in users. Among other things, it is used
95 -- to prevent pages generated for a previously logged in user from being
96 -- displayed after a session expiry followed by a fresh login.
97 user_touched
binary(14) NOT NULL default '',
99 -- A pseudorandomly generated value that is stored in
100 -- a cookie when the "remember password" feature is
101 -- used (previously, a hash of the password was used, but
102 -- this was vulnerable to cookie-stealing attacks)
103 user_token
binary(32) NOT NULL default '',
105 -- Initially NULL; when a user's e-mail address has been
106 -- validated by returning with a mailed token, this is
107 -- set to the current timestamp.
108 user_email_authenticated
binary(14),
110 -- Randomly generated token created when the e-mail address
111 -- is set and a confirmation test mail sent.
112 user_email_token
binary(32),
114 -- Expiration date for the user_email_token
115 user_email_token_expires
binary(14),
117 -- Timestamp of account registration.
118 -- Accounts predating this schema addition may contain NULL.
119 user_registration
binary(14),
121 -- Count of edits and edit-like actions.
123 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
124 -- May contain NULL for old accounts if batch-update scripts haven't been
125 -- run, as well as listing deleted edits and other myriad ways it could be
128 -- Meant primarily for heuristic checks to give an impression of whether
129 -- the account has been used much.
133 -- Expiration date for user password.
134 user_password_expires
varbinary(14) DEFAULT NULL
136 ) /*$wgDBTableOptions*/;
138 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
139 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
140 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50));
144 -- The "actor" table associates user names or IP addresses with integers for
145 -- the benefit of other tables that need to refer to either logged-in or
146 -- logged-out users. If something can only ever be done by logged-in users, it
147 -- can refer to the user table directly.
149 CREATE TABLE /*_*/actor (
150 -- Unique ID to identify each actor
151 actor_id
bigint unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
153 -- Key to user.user_id, or NULL for anonymous edits.
154 actor_user
int unsigned
,
156 -- Text username or IP address
157 actor_name
varchar(255) binary NOT NULL
158 ) /*$wgDBTableOptions*/;
160 -- User IDs and names must be unique.
161 CREATE UNIQUE INDEX /*i*/actor_user
ON /*_*/actor (actor_user
);
162 CREATE UNIQUE INDEX /*i*/actor_name
ON /*_*/actor (actor_name
);
166 -- User permissions have been broken out to a separate table;
167 -- this allows sites with a shared user table to have different
168 -- permissions assigned to a user in each project.
170 -- This table replaces the old user_rights field which used a
171 -- comma-separated blob.
173 CREATE TABLE /*_*/user_groups (
175 ug_user
int unsigned
NOT NULL default 0,
177 -- Group names are short symbolic string keys.
178 -- The set of group names is open-ended, though in practice
179 -- only some predefined ones are likely to be used.
181 -- At runtime $wgGroupPermissions will associate group keys
182 -- with particular permissions. A user will have the combined
183 -- permissions of any group they're explicitly in, plus
184 -- the implicit '*' and 'user' groups.
185 ug_group
varbinary(255) NOT NULL default '',
187 -- Time at which the user group membership will expire. Set to
188 -- NULL for a non-expiring (infinite) membership.
189 ug_expiry
varbinary(14) NULL default NULL,
191 PRIMARY KEY (ug_user
, ug_group
)
192 ) /*$wgDBTableOptions*/;
194 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
195 CREATE INDEX /*i*/ug_expiry
ON /*_*/user_groups (ug_expiry
);
197 -- Stores the groups the user has once belonged to.
198 -- The user may still belong to these groups (check user_groups).
199 -- Users are not autopromoted to groups from which they were removed.
200 CREATE TABLE /*_*/user_former_groups (
202 ufg_user
int unsigned
NOT NULL default 0,
203 ufg_group
varbinary(255) NOT NULL default '',
204 PRIMARY KEY (ufg_user
,ufg_group
)
205 ) /*$wgDBTableOptions*/;
208 -- Stores notifications of user talk page changes, for the display
209 -- of the "you have new messages" box
211 CREATE TABLE /*_*/user_newtalk (
212 -- Key to user.user_id
213 user_id
int unsigned
NOT NULL default 0,
214 -- If the user is an anonymous user their IP address is stored here
215 -- since the user_id of 0 is ambiguous
216 user_ip
varbinary(40) NOT NULL default '',
217 -- The highest timestamp of revisions of the talk page viewed
219 user_last_timestamp
varbinary(14) NULL default NULL
220 ) /*$wgDBTableOptions*/;
222 -- Indexes renamed for SQLite in 1.14
223 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
224 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
228 -- User preferences and perhaps other fun stuff. :)
229 -- Replaces the old user.user_options blob, with a couple nice properties:
231 -- 1) We only store non-default settings, so changes to the defauls
232 -- are now reflected for everybody, not just new accounts.
233 -- 2) We can more easily do bulk lookups, statistics, or modifications of
234 -- saved options since it's a sane table structure.
236 CREATE TABLE /*_*/user_properties (
237 -- Foreign key to user.user_id
238 up_user
int unsigned
NOT NULL,
240 -- Name of the option being saved. This is indexed for bulk lookup.
241 up_property
varbinary(255) NOT NULL,
243 -- Property value as a string.
245 PRIMARY KEY (up_user
,up_property
)
246 ) /*$wgDBTableOptions*/;
248 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
251 -- This table contains a user's bot passwords: passwords that allow access to
252 -- the account via the API with limited rights.
254 CREATE TABLE /*_*/bot_passwords (
255 -- User ID obtained from CentralIdLookup.
256 bp_user
int unsigned
NOT NULL,
258 -- Application identifier
259 bp_app_id
varbinary(32) NOT NULL,
261 -- Password hashes, like user.user_password
262 bp_password tinyblob
NOT NULL,
264 -- Like user.user_token
265 bp_token
binary(32) NOT NULL default '',
267 -- JSON blob for MWRestrictions
268 bp_restrictions
blob NOT NULL,
270 -- Grants allowed to the account when authenticated with this bot-password
271 bp_grants
blob NOT NULL,
273 PRIMARY KEY ( bp_user
, bp_app_id
)
274 ) /*$wgDBTableOptions*/;
277 -- Core of the wiki: each page has an entry here which identifies
278 -- it by title and contains some essential metadata.
280 CREATE TABLE /*_*/page (
281 -- Unique identifier number. The page_id will be preserved across
282 -- edits and rename operations, but not deletions and recreations.
283 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
285 -- A page name is broken into a namespace and a title.
286 -- The namespace keys are UI-language-independent constants,
287 -- defined in includes/Defines.php
288 page_namespace
int NOT NULL,
290 -- The rest of the title, as text.
291 -- Spaces are transformed into underscores in title storage.
292 page_title
varchar(255) binary NOT NULL,
294 -- Comma-separated set of permission keys indicating who
295 -- can move or edit the page.
296 page_restrictions tinyblob
NOT NULL,
298 -- 1 indicates the article is a redirect.
299 page_is_redirect tinyint unsigned
NOT NULL default 0,
301 -- 1 indicates this is a new entry, with only one edit.
302 -- Not all pages with one edit are new pages.
303 page_is_new tinyint unsigned
NOT NULL default 0,
305 -- Random value between 0 and 1, used for Special:Randompage
306 page_random
real unsigned
NOT NULL,
308 -- This timestamp is updated whenever the page changes in
309 -- a way requiring it to be re-rendered, invalidating caches.
310 -- Aside from editing this includes permission changes,
311 -- creation or deletion of linked pages, and alteration
312 -- of contained templates.
313 page_touched
binary(14) NOT NULL default '',
315 -- This timestamp is updated whenever a page is re-parsed and
316 -- it has all the link tracking tables updated for it. This is
317 -- useful for de-duplicating expensive backlink update jobs.
318 page_links_updated
varbinary(14) NULL default NULL,
320 -- Handy key to revision.rev_id of the current revision.
321 -- This may be 0 during page creation, but that shouldn't
322 -- happen outside of a transaction... hopefully.
323 page_latest
int unsigned
NOT NULL,
325 -- Uncompressed length in bytes of the page's current source text.
326 page_len
int unsigned
NOT NULL,
328 -- content model, see CONTENT_MODEL_XXX constants
329 page_content_model
varbinary(32) DEFAULT NULL,
331 -- Page content language
332 page_lang
varbinary(35) DEFAULT NULL
333 ) /*$wgDBTableOptions*/;
335 -- The title index. Care must be taken to always specify a namespace when
336 -- by title, so that the index is used. Even listing all known namespaces
337 -- with IN() is better than omitting page_namespace from the WHERE clause.
338 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
340 -- The index for Special:Random
341 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
343 -- Questionable utility, used by ProofreadPage, possibly DynamicPageList.
344 -- ApiQueryAllPages unconditionally filters on namespace and so hopefully does
346 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
348 -- The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles()
349 -- in 'comma' counting mode, MessageCache::loadFromDB().
350 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
353 -- Every edit of a page creates also a revision row.
354 -- This stores metadata about the revision, and a reference
355 -- to the text storage backend.
357 CREATE TABLE /*_*/revision (
358 -- Unique ID to identify each revision
359 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
361 -- Key to page_id. This should _never_ be invalid.
362 rev_page
int unsigned
NOT NULL,
364 -- Key to text.old_id, where the actual bulk text is stored.
365 -- It's possible for multiple revisions to use the same text,
366 -- for instance revisions where only metadata is altered
367 -- or a rollback to a previous version.
368 rev_text_id
int unsigned
NOT NULL default 0,
370 -- Text comment summarizing the change. Deprecated in favor of
371 -- revision_comment_temp.revcomment_comment_id.
372 rev_comment
varbinary(767) NOT NULL default '',
374 -- Key to user.user_id of the user who made this edit.
375 -- Stores 0 for anonymous edits and for some mass imports.
376 -- Deprecated in favor of revision_actor_temp.revactor_actor.
377 rev_user
int unsigned
NOT NULL default 0,
379 -- Text username or IP address of the editor.
380 -- Deprecated in favor of revision_actor_temp.revactor_actor.
381 rev_user_text
varchar(255) binary NOT NULL default '',
383 -- Timestamp of when revision was created
384 rev_timestamp
binary(14) NOT NULL default '',
386 -- Records whether the user marked the 'minor edit' checkbox.
387 -- Many automated edits are marked as minor.
388 rev_minor_edit tinyint unsigned
NOT NULL default 0,
390 -- Restrictions on who can access this revision
391 rev_deleted tinyint unsigned
NOT NULL default 0,
393 -- Length of this revision in bytes
394 rev_len
int unsigned
,
396 -- Key to revision.rev_id
397 -- This field is used to add support for a tree structure (The Adjacency List Model)
398 rev_parent_id
int unsigned
default NULL,
400 -- SHA-1 text content hash in base-36
401 rev_sha1
varbinary(32) NOT NULL default '',
403 -- content model, see CONTENT_MODEL_XXX constants
404 rev_content_model
varbinary(32) DEFAULT NULL,
406 -- content format, see CONTENT_FORMAT_XXX constants
407 rev_content_format
varbinary(64) DEFAULT NULL
409 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
410 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
412 -- The index is proposed for removal, do not use it in new code: T163532.
413 -- Used for ordering revisions within a page by rev_id, which is usually
414 -- incorrect, since rev_timestamp is normally the correct order. It can also
415 -- be used by dumpBackup.php, if a page and rev_id range is specified.
416 CREATE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
418 -- Used by ApiQueryAllRevisions
419 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
422 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
424 -- Logged-in user contributions index
425 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
427 -- Anonymous user countributions index
428 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
430 -- Credits index. This is scanned in order to compile credits lists for pages,
431 -- in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified
432 -- and is a logged-in user.
433 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
436 -- Temporary table to avoid blocking on an alter of revision.
438 -- On large wikis like the English Wikipedia, altering the revision table is a
439 -- months-long process. This table is being created to avoid such an alter, and
440 -- will be merged back into revision in the future.
442 CREATE TABLE /*_*/revision_comment_temp (
444 revcomment_rev
int unsigned
NOT NULL,
446 revcomment_comment_id
bigint unsigned
NOT NULL,
447 PRIMARY KEY (revcomment_rev
, revcomment_comment_id
)
448 ) /*$wgDBTableOptions*/;
450 CREATE UNIQUE INDEX /*i*/revcomment_rev
ON /*_*/revision_comment_temp (revcomment_rev
);
453 -- Temporary table to avoid blocking on an alter of revision.
455 -- On large wikis like the English Wikipedia, altering the revision table is a
456 -- months-long process. This table is being created to avoid such an alter, and
457 -- will be merged back into revision in the future.
459 CREATE TABLE /*_*/revision_actor_temp (
461 revactor_rev
int unsigned
NOT NULL,
463 revactor_actor
bigint unsigned
NOT NULL,
464 -- Copy fields from revision for indexes
465 revactor_timestamp
binary(14) NOT NULL default '',
466 revactor_page
int unsigned
NOT NULL,
467 PRIMARY KEY (revactor_rev
, revactor_actor
)
468 ) /*$wgDBTableOptions*/;
470 CREATE UNIQUE INDEX /*i*/revactor_rev
ON /*_*/revision_actor_temp (revactor_rev
);
471 -- Match future indexes on revision
472 CREATE INDEX /*i*/actor_timestamp
ON /*_*/revision_actor_temp (revactor_actor
,revactor_timestamp
);
473 CREATE INDEX /*i*/page_actor_timestamp
ON /*_*/revision_actor_temp (revactor_page
,revactor_actor
,revactor_timestamp
);
476 -- Every time an edit by a logged out user is saved,
477 -- a row is created in ip_changes. This stores
478 -- the IP as a hex representation so that we can more
479 -- easily find edits within an IP range.
481 CREATE TABLE /*_*/ip_changes (
482 -- Foreign key to the revision table, also serves as the unique primary key
483 ipc_rev_id
int unsigned
NOT NULL PRIMARY KEY DEFAULT '0',
485 -- The timestamp of the revision
486 ipc_rev_timestamp
binary(14) NOT NULL DEFAULT '',
488 -- Hex representation of the IP address, as returned by IP::toHex()
489 -- For IPv4 it will resemble: ABCD1234
490 -- For IPv6: v6-ABCD1234000000000000000000000000
491 -- BETWEEN is then used to identify revisions within a given range
492 ipc_hex
varbinary(35) NOT NULL DEFAULT ''
494 ) /*$wgDBTableOptions*/;
496 CREATE INDEX /*i*/ipc_rev_timestamp
ON /*_*/ip_changes (ipc_rev_timestamp
);
497 CREATE INDEX /*i*/ipc_hex_time
ON /*_*/ip_changes (ipc_hex
,ipc_rev_timestamp
);
500 -- Holds text of individual page revisions.
502 -- Field names are a holdover from the 'old' revisions table in
503 -- MediaWiki 1.4 and earlier: an upgrade will transform that
504 -- table into the 'text' table to minimize unnecessary churning
505 -- and downtime. If upgrading, the other fields will be left unused.
507 CREATE TABLE /*_*/text (
508 -- Unique text storage key number.
509 -- Note that the 'oldid' parameter used in URLs does *not*
510 -- refer to this number anymore, but to rev_id.
512 -- revision.rev_text_id is a key to this column
513 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
515 -- Depending on the contents of the old_flags field, the text
516 -- may be convenient plain text, or it may be funkily encoded.
517 old_text mediumblob
NOT NULL,
519 -- Comma-separated list of flags:
520 -- gzip: text is compressed with PHP's gzdeflate() function.
521 -- utf-8: text was stored as UTF-8.
522 -- If $wgLegacyEncoding option is on, rows *without* this flag
523 -- will be converted to UTF-8 transparently at load time. Note
524 -- that due to a bug in a maintenance script, this flag may
525 -- have been stored as 'utf8' in some cases (T18841).
526 -- object: text field contained a serialized PHP object.
527 -- The object either contains multiple versions compressed
528 -- together to achieve a better compression ratio, or it refers
529 -- to another row where the text can be found.
530 -- external: text was stored in an external location specified by old_text.
531 -- Any additional flags apply to the data stored at that URL, not
532 -- the URL itself. The 'object' flag is *not* set for URLs of the
533 -- form 'DB://cluster/id/itemid', because the external storage
534 -- system itself decompresses these.
535 old_flags tinyblob
NOT NULL
536 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
537 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
541 -- Edits, blocks, and other actions typically have a textual comment describing
542 -- the action. They are stored here to reduce the size of the main tables, and
543 -- to allow for deduplication.
545 -- Deduplication is currently best-effort to avoid locking on inserts that
546 -- would be required for strict deduplication. There MAY be multiple rows with
547 -- the same comment_text and comment_data.
549 CREATE TABLE /*_*/comment (
550 -- Unique ID to identify each comment
551 comment_id
bigint unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
553 -- Hash of comment_text and comment_data, for deduplication
554 comment_hash
INT NOT NULL,
556 -- Text comment summarizing the change.
557 -- This text is shown in the history and other changes lists,
558 -- rendered in a subset of wiki markup by Linker::formatComment()
559 -- Size limits are enforced at the application level, and should
560 -- take care to crop UTF-8 strings appropriately.
561 comment_text
BLOB NOT NULL,
563 -- JSON data, intended for localizing auto-generated comments.
564 -- This holds structured data that is intended to be used to provide
565 -- localized versions of automatically-generated comments. When not empty,
566 -- comment_text should be the generated comment localized using the wiki's
569 ) /*$wgDBTableOptions*/;
570 -- Index used for deduplication.
571 CREATE INDEX /*i*/comment_hash
ON /*_*/comment (comment_hash
);
575 -- Archive area for deleted pages and their revisions.
576 -- These may be viewed (and restored) by admins through the Special:Undelete interface.
578 CREATE TABLE /*_*/archive (
580 ar_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
582 -- Copied from page_namespace
583 ar_namespace
int NOT NULL default 0,
584 -- Copied from page_title
585 ar_title
varchar(255) binary NOT NULL default '',
587 -- Copied from text.old_text, for pages deleted before MediaWiki 1.5.
588 -- This row may contain the raw revision text, possibly compressed.
589 -- Newer MediaWiki versions use ar_text_id instead.
590 -- This field is retained for backwards compatibility, so that
591 -- old archived pages will remain accessible.
592 -- See migrateArchiveText.php for migrating values to text storage.
593 ar_text mediumblob
NOT NULL,
595 -- Basic revision stuff...
596 ar_comment
varbinary(767) NOT NULL default '', -- Deprecated in favor of ar_comment_id
597 ar_comment_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ar_comment should be used)
598 ar_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of ar_actor
599 ar_user_text
varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of ar_actor
600 ar_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ar_user/ar_user_text should be used)
601 ar_timestamp
binary(14) NOT NULL default '',
602 ar_minor_edit tinyint
NOT NULL default 0,
604 -- Copied from text.old_flags, for pages deleted before MediaWiki 1.5.
605 -- Otherwise empty string.
606 -- See also note for ar_text.
607 ar_flags tinyblob
NOT NULL,
609 -- Copied from rev_id.
611 -- @since 1.5 Entries from 1.4 will be NULL here. When restoring
612 -- archive rows from before 1.5, a new rev_id is created.
613 ar_rev_id
int unsigned
,
615 -- Copied from rev_text_id, references text.old_id.
616 -- To avoid breaking the block-compression scheme and otherwise making
617 -- storage changes harder, the actual text is *not* deleted from the
618 -- text storage. Instead, it is merely hidden from public view, by removal
619 -- of the page and revision entries.
621 -- @since 1.5 Entries from 1.2-1.4 will have NULL here. When restoring
622 -- archive rows without this, ar_text and ar_flags are used instead.
623 ar_text_id
int unsigned
,
625 -- Copied from rev_deleted. Although this may be raised during deletion.
626 -- Users with the "suppressrevision" right may "archive" and "suppress"
627 -- content in a single action.
629 ar_deleted tinyint unsigned
NOT NULL default 0,
631 -- Copied from rev_len, length of this revision in bytes.
635 -- Copied from page_id. Restoration will attempt to use this as page ID if
636 -- no current page with the same name exists. Otherwise, the revisions will
637 -- be restored under the current page. Can be used for manual undeletion by
638 -- developers if multiple pages by the same name were archived.
640 -- @since 1.11 Older entries will have NULL.
641 ar_page_id
int unsigned
,
643 -- Copied from rev_parent_id.
645 ar_parent_id
int unsigned
default NULL,
647 -- Copied from rev_sha1, SHA-1 text content hash in base-36
649 ar_sha1
varbinary(32) NOT NULL default '',
651 -- Copied from rev_content_model, see CONTENT_MODEL_XXX constants
653 ar_content_model
varbinary(32) DEFAULT NULL,
655 -- Copied from rev_content_format, see CONTENT_FORMAT_XXX constants
657 ar_content_format
varbinary(64) DEFAULT NULL
658 ) /*$wgDBTableOptions*/;
660 -- Index for Special:Undelete to page through deleted revisions
661 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
663 -- Index for Special:DeletedContributions
664 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
665 CREATE INDEX /*i*/ar_actor_timestamp
ON /*_*/archive (ar_actor
,ar_timestamp
);
667 -- Index for linking archive rows with tables that normally link with revision
668 -- rows, such as change_tag.
669 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
672 -- Slots represent an n:m relation between revisions and content objects.
673 -- A content object can have a specific "role" in one or more revisions.
674 -- Each revision can have multiple content objects, each having a different role.
676 CREATE TABLE /*_*/slots (
678 -- reference to rev_id
679 slot_revision_id
bigint unsigned
NOT NULL,
681 -- reference to role_id
682 slot_role_id
smallint unsigned
NOT NULL,
684 -- reference to content_id
685 slot_content_id
bigint unsigned
NOT NULL,
687 -- The revision ID of the revision that originated the slot's content.
688 -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
689 slot_origin
bigint unsigned
NOT NULL,
691 PRIMARY KEY ( slot_revision_id
, slot_role_id
)
692 ) /*$wgDBTableOptions*/;
694 -- Index for finding revisions that modified a specific slot
695 CREATE INDEX /*i*/slot_revision_origin_role
ON /*_*/slots (slot_revision_id
, slot_origin
, slot_role_id
);
698 -- The content table represents content objects. It's primary purpose is to provide the necessary
699 -- meta-data for loading and interpreting a serialized data blob to create a content object.
701 CREATE TABLE /*_*/content (
703 -- ID of the content object
704 content_id
bigint unsigned
PRIMARY KEY AUTO_INCREMENT
,
706 -- Nominal size of the content object (not necessarily of the serialized blob)
707 content_size
int unsigned
NOT NULL,
709 -- Nominal hash of the content object (not necessarily of the serialized blob)
710 content_sha1
varbinary(32) NOT NULL,
712 -- reference to model_id
713 content_model
smallint unsigned
NOT NULL,
715 -- URL-like address of the content blob
716 content_address
varbinary(255) NOT NULL
717 ) /*$wgDBTableOptions*/;
720 -- Normalization table for role names
722 CREATE TABLE /*_*/slot_roles (
723 role_id
smallint PRIMARY KEY AUTO_INCREMENT
,
724 role_name
varbinary(64) NOT NULL
725 ) /*$wgDBTableOptions*/;
727 -- Index for looking of the internal ID of for a name
728 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
731 -- Normalization table for content model names
733 CREATE TABLE /*_*/content_models (
734 model_id
smallint PRIMARY KEY AUTO_INCREMENT
,
735 model_name
varbinary(64) NOT NULL
736 ) /*$wgDBTableOptions*/;
738 -- Index for looking of the internal ID of for a name
739 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
742 -- Track page-to-page hyperlinks within the wiki.
744 CREATE TABLE /*_*/pagelinks (
745 -- Key to the page_id of the page containing the link.
746 pl_from
int unsigned
NOT NULL default 0,
747 -- Namespace for this page
748 pl_from_namespace
int NOT NULL default 0,
750 -- Key to page_namespace/page_title of the target page.
751 -- The target page may or may not exist, and due to renames
752 -- and deletions may refer to different page records as time
754 pl_namespace
int NOT NULL default 0,
755 pl_title
varchar(255) binary NOT NULL default '',
756 PRIMARY KEY (pl_from
,pl_namespace
,pl_title
)
757 ) /*$wgDBTableOptions*/;
759 -- Reverse index, for Special:Whatlinkshere
760 CREATE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
762 -- Index for Special:Whatlinkshere with namespace filter
763 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
767 -- Track template inclusions.
769 CREATE TABLE /*_*/templatelinks (
770 -- Key to the page_id of the page containing the link.
771 tl_from
int unsigned
NOT NULL default 0,
772 -- Namespace for this page
773 tl_from_namespace
int NOT NULL default 0,
775 -- Key to page_namespace/page_title of the target page.
776 -- The target page may or may not exist, and due to renames
777 -- and deletions may refer to different page records as time
779 tl_namespace
int NOT NULL default 0,
780 tl_title
varchar(255) binary NOT NULL default '',
781 PRIMARY KEY (tl_from
,tl_namespace
,tl_title
)
782 ) /*$wgDBTableOptions*/;
784 -- Reverse index, for Special:Whatlinkshere
785 CREATE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
787 -- Index for Special:Whatlinkshere with namespace filter
788 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
792 -- Track links to images *used inline*
793 -- We don't distinguish live from broken links here, so
794 -- they do not need to be changed on upload/removal.
796 CREATE TABLE /*_*/imagelinks (
797 -- Key to page_id of the page containing the image / media link.
798 il_from
int unsigned
NOT NULL default 0,
799 -- Namespace for this page
800 il_from_namespace
int NOT NULL default 0,
802 -- Filename of target image.
803 -- This is also the page_title of the file's description page;
804 -- all such pages are in namespace 6 (NS_FILE).
805 il_to
varchar(255) binary NOT NULL default '',
806 PRIMARY KEY (il_from
,il_to
)
807 ) /*$wgDBTableOptions*/;
809 -- Reverse index, for Special:Whatlinkshere and file description page local usage
810 CREATE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
812 -- Index for Special:Whatlinkshere with namespace filter
813 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
817 -- Track category inclusions *used inline*
818 -- This tracks a single level of category membership
820 CREATE TABLE /*_*/categorylinks (
821 -- Key to page_id of the page defined as a category member.
822 cl_from
int unsigned
NOT NULL default 0,
824 -- Name of the category.
825 -- This is also the page_title of the category's description page;
826 -- all such pages are in namespace 14 (NS_CATEGORY).
827 cl_to
varchar(255) binary NOT NULL default '',
829 -- A binary string obtained by applying a sortkey generation algorithm
830 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
831 -- . page_title if cl_sortkey_prefix is nonempty.
832 cl_sortkey
varbinary(230) NOT NULL default '',
834 -- A prefix for the raw sortkey manually specified by the user, either via
835 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
836 -- concatenated with a line break followed by the page title before the sortkey
837 -- conversion algorithm is run. We store this so that we can update
838 -- collations without reparsing all pages.
839 -- Note: If you change the length of this field, you also need to change
840 -- code in LinksUpdate.php. See T27254.
841 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
843 -- This isn't really used at present. Provided for an optional
844 -- sorting method by approximate addition time.
845 cl_timestamp
timestamp NOT NULL,
847 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
848 -- can be used to install new collation versions, tracking which rows are not
849 -- yet updated. '' means no collation, this is a legacy row that needs to be
850 -- updated by updateCollation.php. In the future, it might be possible to
851 -- specify different collations per category.
852 cl_collation
varbinary(32) NOT NULL default '',
854 -- Stores whether cl_from is a category, file, or other page, so we can
855 -- paginate the three categories separately. This never has to be updated
856 -- after the page is created, since none of these page types can be moved to
858 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page',
859 PRIMARY KEY (cl_from
,cl_to
)
860 ) /*$wgDBTableOptions*/;
863 -- We always sort within a given category, and within a given type. FIXME:
864 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
865 -- callers won't be using an index: fix this?
866 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
868 -- Used by the API (and some extensions)
869 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
871 -- Used when updating collation (e.g. updateCollation.php)
872 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
875 -- Track all existing categories. Something is a category if 1) it has an entry
876 -- somewhere in categorylinks, or 2) it has a description page. Categories
877 -- might not have corresponding pages, so they need to be tracked separately.
879 CREATE TABLE /*_*/category (
881 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
883 -- Name of the category, in the same form as page_title (with underscores).
884 -- If there is a category page corresponding to this category, by definition,
885 -- it has this name (in the Category namespace).
886 cat_title
varchar(255) binary NOT NULL,
888 -- The numbers of member pages (including categories and media), subcatego-
889 -- ries, and Image: namespace members, respectively. These are signed to
890 -- make underflow more obvious. We make the first number include the second
891 -- two for better sorting: subtracting for display is easy, adding for order-
893 cat_pages
int signed
NOT NULL default 0,
894 cat_subcats
int signed
NOT NULL default 0,
895 cat_files
int signed
NOT NULL default 0
896 ) /*$wgDBTableOptions*/;
898 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
900 -- For Special:Mostlinkedcategories
901 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
905 -- Track links to external URLs
907 CREATE TABLE /*_*/externallinks (
909 el_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
911 -- page_id of the referring page
912 el_from
int unsigned
NOT NULL default 0,
917 -- In the case of HTTP URLs, this is the URL with any username or password
918 -- removed, and with the labels in the hostname reversed and converted to
919 -- lower case. An extra dot is added to allow for matching of either
920 -- example.com or *.example.com in a single scan.
922 -- http://user:password@sub.example.com/page.html
924 -- http://com.example.sub./page.html
925 -- which allows for fast searching for all pages under example.com with the
927 -- WHERE el_index LIKE 'http://com.example.%'
928 el_index
blob NOT NULL,
930 -- This is el_index truncated to 60 bytes to allow for sortable queries that
931 -- aren't supported by a partial index.
932 -- @todo Drop the default once this is deployed everywhere and code is populating it.
933 el_index_60
varbinary(60) NOT NULL default ''
934 ) /*$wgDBTableOptions*/;
936 -- Forward index, for page edit, save
937 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
939 -- Index for Special:LinkSearch exact search
940 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
942 -- For Special:LinkSearch wildcard search
943 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
945 -- For Special:LinkSearch wildcard search with efficient paging by el_id
946 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
947 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
950 -- Track interlanguage links
952 CREATE TABLE /*_*/langlinks (
953 -- page_id of the referring page
954 ll_from
int unsigned
NOT NULL default 0,
956 -- Language code of the target
957 ll_lang
varbinary(20) NOT NULL default '',
959 -- Title of the target, including namespace
960 ll_title
varchar(255) binary NOT NULL default '',
961 PRIMARY KEY (ll_from
,ll_lang
)
962 ) /*$wgDBTableOptions*/;
964 -- Index for ApiQueryLangbacklinks
965 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
969 -- Track inline interwiki links
971 CREATE TABLE /*_*/iwlinks (
972 -- page_id of the referring page
973 iwl_from
int unsigned
NOT NULL default 0,
975 -- Interwiki prefix code of the target
976 iwl_prefix
varbinary(20) NOT NULL default '',
978 -- Title of the target, including namespace
979 iwl_title
varchar(255) binary NOT NULL default '',
980 PRIMARY KEY (iwl_from
,iwl_prefix
,iwl_title
)
981 ) /*$wgDBTableOptions*/;
983 -- Index for ApiQueryIWBacklinks
984 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
986 -- Index for ApiQueryIWLinks
987 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
991 -- Contains a single row with some aggregate info
992 -- on the state of the site.
994 CREATE TABLE /*_*/site_stats (
995 -- The single row should contain 1 here.
996 ss_row_id
int unsigned
NOT NULL PRIMARY KEY,
998 -- Total number of edits performed.
999 ss_total_edits
bigint unsigned
default NULL,
1001 -- See SiteStatsInit::articles().
1002 ss_good_articles
bigint unsigned
default NULL,
1004 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page.
1005 ss_total_pages
bigint unsigned
default NULL,
1007 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user.
1008 ss_users
bigint unsigned
default NULL,
1010 -- Number of users that still edit.
1011 ss_active_users
bigint unsigned
default NULL,
1013 -- Number of images, equivalent to SELECT COUNT(*) FROM image.
1014 ss_images
bigint unsigned
default NULL
1015 ) /*$wgDBTableOptions*/;
1018 -- The internet is full of jerks, alas. Sometimes it's handy
1019 -- to block a vandal or troll account.
1021 CREATE TABLE /*_*/ipblocks (
1022 -- Primary key, introduced for privacy.
1023 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1025 -- Blocked IP address in dotted-quad form or user name.
1026 ipb_address tinyblob
NOT NULL,
1028 -- Blocked user ID or 0 for IP blocks.
1029 ipb_user
int unsigned
NOT NULL default 0,
1031 -- User ID who made the block.
1032 ipb_by
int unsigned
NOT NULL default 0, -- Deprecated in favor of ipb_by_actor
1034 -- User name of blocker
1035 ipb_by_text
varchar(255) binary NOT NULL default '', -- Deprecated in favor of ipb_by_actor
1037 -- Actor who made the block.
1038 ipb_by_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ipb_by/ipb_by_text should be used)
1040 -- Text comment made by blocker. Deprecated in favor of ipb_reason_id
1041 ipb_reason
varbinary(767) NOT NULL default '',
1043 -- Key to comment_id. Text comment made by blocker.
1044 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
1045 ipb_reason_id
bigint unsigned
NOT NULL DEFAULT 0,
1047 -- Creation (or refresh) date in standard YMDHMS form.
1048 -- IP blocks expire automatically.
1049 ipb_timestamp
binary(14) NOT NULL default '',
1051 -- Indicates that the IP address was banned because a banned
1052 -- user accessed a page through it. If this is 1, ipb_address
1053 -- will be hidden, and the block identified by block ID number.
1054 ipb_auto bool
NOT NULL default 0,
1056 -- If set to 1, block applies only to logged-out users
1057 ipb_anon_only bool
NOT NULL default 0,
1059 -- Block prevents account creation from matching IP addresses
1060 ipb_create_account bool
NOT NULL default 1,
1062 -- Block triggers autoblocks
1063 ipb_enable_autoblock bool
NOT NULL default '1',
1065 -- Time at which the block will expire.
1066 -- May be "infinity"
1067 ipb_expiry
varbinary(14) NOT NULL default '',
1069 -- Start and end of an address range, in hexadecimal
1070 -- Size chosen to allow IPv6
1071 -- FIXME: these fields were originally blank for single-IP blocks,
1072 -- but now they are populated. No migration was ever done. They
1073 -- should be fixed to be blank again for such blocks (T51504).
1074 ipb_range_start tinyblob
NOT NULL,
1075 ipb_range_end tinyblob
NOT NULL,
1077 -- Flag for entries hidden from users and Sysops
1078 ipb_deleted bool
NOT NULL default 0,
1080 -- Block prevents user from accessing Special:Emailuser
1081 ipb_block_email bool
NOT NULL default 0,
1083 -- Block allows user to edit their own talk page
1084 ipb_allow_usertalk bool
NOT NULL default 0,
1086 -- ID of the block that caused this block to exist
1087 -- Autoblocks set this to the original block
1088 -- so that the original block being deleted also
1089 -- deletes the autoblocks
1090 ipb_parent_block_id
int default NULL
1092 ) /*$wgDBTableOptions*/;
1094 -- Unique index to support "user already blocked" messages
1095 -- Any new options which prevent collisions should be included
1096 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
1098 -- For querying whether a logged-in user is blocked
1099 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
1101 -- For querying whether an IP address is in any range
1102 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
1104 -- Index for Special:BlockList
1105 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
1107 -- Index for table pruning
1108 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
1110 -- Index for removing autoblocks when a parent block is removed
1111 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
1115 -- Uploaded images and other files.
1117 CREATE TABLE /*_*/image (
1119 -- This is also the title of the associated description page,
1120 -- which will be in namespace 6 (NS_FILE).
1121 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
1123 -- File size in bytes.
1124 img_size
int unsigned
NOT NULL default 0,
1126 -- For images, size in pixels.
1127 img_width
int NOT NULL default 0,
1128 img_height
int NOT NULL default 0,
1130 -- Extracted Exif metadata stored as a serialized PHP array.
1131 img_metadata mediumblob
NOT NULL,
1133 -- For images, bits per pixel if known.
1134 img_bits
int NOT NULL default 0,
1136 -- Media type as defined by the MEDIATYPE_xxx constants
1137 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1139 -- major part of a MIME media type as defined by IANA
1140 -- see https://www.iana.org/assignments/media-types/
1141 -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS
1142 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1144 -- minor part of a MIME media type as defined by IANA
1145 -- the minor parts are not required to adher to any standard
1146 -- but should be consistent throughout the database
1147 -- see https://www.iana.org/assignments/media-types/
1148 img_minor_mime
varbinary(100) NOT NULL default "unknown",
1150 -- Description field as entered by the uploader.
1151 -- This is displayed in image upload history and logs.
1152 -- Deprecated in favor of image_comment_temp.imgcomment_description_id.
1153 img_description
varbinary(767) NOT NULL default '',
1155 -- user_id and user_name of uploader.
1156 -- Deprecated in favor of img_actor.
1157 img_user
int unsigned
NOT NULL default 0,
1158 img_user_text
varchar(255) binary NOT NULL DEFAULT '',
1160 -- actor_id of the uploader.
1161 -- ("DEFAULT 0" is temporary, signaling that img_user/img_user_text should be used)
1162 img_actor
bigint unsigned
NOT NULL DEFAULT 0,
1164 -- Time of the upload.
1165 img_timestamp
varbinary(14) NOT NULL default '',
1167 -- SHA-1 content hash in base-36
1168 img_sha1
varbinary(32) NOT NULL default ''
1169 ) /*$wgDBTableOptions*/;
1171 -- Used by Special:Newimages and ApiQueryAllImages
1172 CREATE INDEX /*i*/img_user_timestamp
ON /*_*/image (img_user
,img_timestamp
);
1173 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
1174 CREATE INDEX /*i*/img_actor_timestamp
ON /*_*/image (img_actor
,img_timestamp
);
1175 -- Used by Special:ListFiles for sort-by-size
1176 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
1177 -- Used by Special:Newimages and Special:ListFiles
1178 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
1179 -- Used in API and duplicate search
1180 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
1181 -- Used to get media of one type
1182 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
1185 -- Temporary table to avoid blocking on an alter of image.
1187 -- On large wikis like Wikimedia Commons, altering the image table is a
1188 -- months-long process. This table is being created to avoid such an alter, and
1189 -- will be merged back into image in the future.
1191 CREATE TABLE /*_*/image_comment_temp (
1192 -- Key to img_name (ugh)
1193 imgcomment_name
varchar(255) binary NOT NULL,
1194 -- Key to comment_id
1195 imgcomment_description_id
bigint unsigned
NOT NULL,
1196 PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
1197 ) /*$wgDBTableOptions*/;
1198 -- Ensure uniqueness
1199 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
1203 -- Previous revisions of uploaded files.
1204 -- Awkwardly, image rows have to be moved into
1205 -- this table at re-upload time.
1207 CREATE TABLE /*_*/oldimage (
1208 -- Base filename: key to image.img_name
1209 oi_name
varchar(255) binary NOT NULL default '',
1211 -- Filename of the archived file.
1212 -- This is generally a timestamp and '!' prepended to the base name.
1213 oi_archive_name
varchar(255) binary NOT NULL default '',
1215 -- Other fields as in image...
1216 oi_size
int unsigned
NOT NULL default 0,
1217 oi_width
int NOT NULL default 0,
1218 oi_height
int NOT NULL default 0,
1219 oi_bits
int NOT NULL default 0,
1220 oi_description
varbinary(767) NOT NULL default '', -- Deprecated.
1221 oi_description_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_description should be used)
1222 oi_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of oi_actor
1223 oi_user_text
varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of oi_actor
1224 oi_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_user/oi_user_text should be used)
1225 oi_timestamp
binary(14) NOT NULL default '',
1227 oi_metadata mediumblob
NOT NULL,
1228 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1229 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1230 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
1231 oi_deleted tinyint unsigned
NOT NULL default 0,
1232 oi_sha1
varbinary(32) NOT NULL default ''
1233 ) /*$wgDBTableOptions*/;
1235 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
1236 CREATE INDEX /*i*/oi_actor_timestamp
ON /*_*/oldimage (oi_actor
,oi_timestamp
);
1237 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
1238 -- oi_archive_name truncated to 14 to avoid key length overflow
1239 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
1240 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
1244 -- Record of deleted file data
1246 CREATE TABLE /*_*/filearchive (
1248 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1250 -- Original base filename; key to image.img_name, page.page_title, etc
1251 fa_name
varchar(255) binary NOT NULL default '',
1253 -- Filename of archived file, if an old revision
1254 fa_archive_name
varchar(255) binary default '',
1256 -- Which storage bin (directory tree or object store) the file data
1257 -- is stored in. Should be 'deleted' for files that have been deleted;
1258 -- any other bin is not yet in use.
1259 fa_storage_group
varbinary(16),
1261 -- SHA-1 of the file contents plus extension, used as a key for storage.
1262 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
1264 -- If NULL, the file was missing at deletion time or has been purged
1265 -- from the archival storage.
1266 fa_storage_key
varbinary(64) default '',
1268 -- Deletion information, if this file is deleted.
1269 fa_deleted_user
int,
1270 fa_deleted_timestamp
binary(14) default '',
1271 fa_deleted_reason
varbinary(767) default '', -- Deprecated
1272 fa_deleted_reason_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_deleted_reason should be used)
1274 -- Duped fields from image
1275 fa_size
int unsigned
default 0,
1276 fa_width
int default 0,
1277 fa_height
int default 0,
1278 fa_metadata mediumblob
,
1279 fa_bits
int default 0,
1280 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1281 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown",
1282 fa_minor_mime
varbinary(100) default "unknown",
1283 fa_description
varbinary(767) default '', -- Deprecated
1284 fa_description_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_description should be used)
1285 fa_user
int unsigned
default 0, -- Deprecated in favor of fa_actor
1286 fa_user_text
varchar(255) binary DEFAULT '', -- Deprecated in favor of fa_actor
1287 fa_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_user/fa_user_text should be used)
1288 fa_timestamp
binary(14) default '',
1290 -- Visibility of deleted revisions, bitfield
1291 fa_deleted tinyint unsigned
NOT NULL default 0,
1293 -- sha1 hash of file content
1294 fa_sha1
varbinary(32) NOT NULL default ''
1295 ) /*$wgDBTableOptions*/;
1297 -- pick out by image name
1298 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
1299 -- pick out dupe files
1300 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
1301 -- sort by deletion time
1302 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
1304 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
1305 CREATE INDEX /*i*/fa_actor_timestamp
ON /*_*/filearchive (fa_actor
,fa_timestamp
);
1306 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
1307 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
1311 -- Store information about newly uploaded files before they're
1312 -- moved into the actual filestore
1314 CREATE TABLE /*_*/uploadstash (
1315 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1317 -- the user who uploaded the file.
1318 us_user
int unsigned
NOT NULL,
1320 -- file key. this is how applications actually search for the file.
1321 -- this might go away, or become the primary key.
1322 us_key
varchar(255) NOT NULL,
1324 -- the original path
1325 us_orig_path
varchar(255) NOT NULL,
1327 -- the temporary path at which the file is actually stored
1328 us_path
varchar(255) NOT NULL,
1330 -- which type of upload the file came from (sometimes)
1331 us_source_type
varchar(50),
1333 -- the date/time on which the file was added
1334 us_timestamp
varbinary(14) NOT NULL,
1336 us_status
varchar(50) NOT NULL,
1338 -- chunk counter starts at 0, current offset is stored in us_size
1339 us_chunk_inx
int unsigned
NULL,
1341 -- Serialized file properties from FSFile::getProps()
1344 -- file size in bytes
1345 us_size
int unsigned
NOT NULL,
1346 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
1347 us_sha1
varchar(31) NOT NULL,
1348 us_mime
varchar(255),
1349 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1350 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1351 -- image-specific properties
1352 us_image_width
int unsigned
,
1353 us_image_height
int unsigned
,
1354 us_image_bits
smallint unsigned
1356 ) /*$wgDBTableOptions*/;
1358 -- sometimes there's a delete for all of a user's stuff.
1359 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1360 -- pick out files by key, enforce key uniqueness
1361 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1362 -- the abandoned upload cleanup script needs this
1363 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1367 -- Primarily a summary table for Special:Recentchanges,
1368 -- this table contains some additional info on edits from
1369 -- the last few days, see Article::editUpdates()
1371 CREATE TABLE /*_*/recentchanges (
1372 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1373 rc_timestamp
varbinary(14) NOT NULL default '',
1376 rc_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of rc_actor
1377 rc_user_text
varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of rc_actor
1378 rc_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_user/rc_user_text should be used)
1380 -- When pages are renamed, their RC entries do _not_ change.
1381 rc_namespace
int NOT NULL default 0,
1382 rc_title
varchar(255) binary NOT NULL default '',
1384 -- as in revision...
1385 rc_comment
varbinary(767) NOT NULL default '', -- Deprecated.
1386 rc_comment_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_comment should be used)
1387 rc_minor tinyint unsigned
NOT NULL default 0,
1389 -- Edits by user accounts with the 'bot' rights key are
1390 -- marked with a 1 here, and will be hidden from the
1392 rc_bot tinyint unsigned
NOT NULL default 0,
1394 -- Set if this change corresponds to a page creation
1395 rc_new tinyint unsigned
NOT NULL default 0,
1397 -- Key to page_id (was cur_id prior to 1.5).
1398 -- This will keep links working after moves while
1399 -- retaining the at-the-time name in the changes list.
1400 rc_cur_id
int unsigned
NOT NULL default 0,
1402 -- rev_id of the given revision
1403 rc_this_oldid
int unsigned
NOT NULL default 0,
1405 -- rev_id of the prior revision, for generating diff links.
1406 rc_last_oldid
int unsigned
NOT NULL default 0,
1408 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1409 rc_type tinyint unsigned
NOT NULL default 0,
1411 -- The source of the change entry (replaces rc_type)
1412 -- default of '' is temporary, needed for initial migration
1413 rc_source
varchar(16) binary not null default '',
1415 -- If the Recent Changes Patrol option is enabled,
1416 -- users may mark edits as having been reviewed to
1417 -- remove a warning flag on the RC list.
1418 -- A value of 1 indicates the page has been reviewed.
1419 rc_patrolled tinyint unsigned
NOT NULL default 0,
1421 -- Recorded IP address the edit was made from, if the
1422 -- $wgPutIPinRC option is enabled.
1423 rc_ip
varbinary(40) NOT NULL default '',
1425 -- Text length in characters before
1426 -- and after the edit
1430 -- Visibility of recent changes items, bitfield
1431 rc_deleted tinyint unsigned
NOT NULL default 0,
1433 -- Value corresponding to log_id, specific log entries
1434 rc_logid
int unsigned
NOT NULL default 0,
1435 -- Store log type info here, or null
1436 rc_log_type
varbinary(255) NULL default NULL,
1437 -- Store log action or null
1438 rc_log_action
varbinary(255) NULL default NULL,
1441 ) /*$wgDBTableOptions*/;
1443 -- Special:Recentchanges
1444 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1446 -- Special:Watchlist
1447 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1449 -- Special:Recentchangeslinked when finding changes in pages linked from a page
1450 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1453 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1455 -- Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions,
1456 -- but mostly replaced by CheckUser.
1457 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1459 -- Probably intended for Special:NewPages namespace filter
1460 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1461 CREATE INDEX /*i*/rc_ns_actor
ON /*_*/recentchanges (rc_namespace
, rc_actor
);
1463 -- SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter
1464 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1465 CREATE INDEX /*i*/rc_actor
ON /*_*/recentchanges (rc_actor
, rc_timestamp
);
1467 -- ApiQueryRecentChanges (T140108)
1468 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1471 CREATE TABLE /*_*/watchlist (
1472 wl_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1473 -- Key to user.user_id
1474 wl_user
int unsigned
NOT NULL,
1476 -- Key to page_namespace/page_title
1477 -- Note that users may watch pages which do not exist yet,
1478 -- or existed in the past but have been deleted.
1479 wl_namespace
int NOT NULL default 0,
1480 wl_title
varchar(255) binary NOT NULL default '',
1482 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1483 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1484 -- of the page, which means that they should be sent an e-mail on the next change.
1485 wl_notificationtimestamp
varbinary(14)
1487 ) /*$wgDBTableOptions*/;
1489 -- Special:Watchlist
1490 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1492 -- Special:Movepage (WatchedItemStore::duplicateEntry)
1493 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1495 -- ApiQueryWatchlistRaw changed filter
1496 CREATE INDEX /*i*/wl_user_notificationtimestamp
ON /*_*/watchlist (wl_user
, wl_notificationtimestamp
);
1500 -- When using the default MySQL search backend, page titles
1501 -- and text are munged to strip markup, do Unicode case folding,
1502 -- and prepare the result for MySQL's fulltext index.
1504 -- This table must be MyISAM; InnoDB does not support the needed
1507 CREATE TABLE /*_*/searchindex (
1509 si_page
int unsigned
NOT NULL,
1511 -- Munged version of title
1512 si_title
varchar(255) NOT NULL default '',
1514 -- Munged version of body text
1515 si_text mediumtext
NOT NULL
1516 ) ENGINE
=MyISAM
DEFAULT CHARSET
=utf8
;
1518 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1519 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1520 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1524 -- Recognized interwiki link prefixes
1526 CREATE TABLE /*_*/interwiki (
1527 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1528 iw_prefix
varchar(32) NOT NULL,
1530 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1531 -- Any spaces in the name will be transformed to underscores before
1533 iw_url
blob NOT NULL,
1535 -- The URL of the file api.php
1536 iw_api
blob NOT NULL,
1538 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1539 iw_wikiid
varchar(64) NOT NULL,
1541 -- A boolean value indicating whether the wiki is in this project
1542 -- (used, for example, to detect redirect loops)
1543 iw_local bool
NOT NULL,
1545 -- Boolean value indicating whether interwiki transclusions are allowed.
1546 iw_trans tinyint
NOT NULL default 0
1547 ) /*$wgDBTableOptions*/;
1549 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1553 -- Used for caching expensive grouped queries
1555 CREATE TABLE /*_*/querycache (
1556 -- A key name, generally the base name of of the special page.
1557 qc_type
varbinary(32) NOT NULL,
1559 -- Some sort of stored value. Sizes, counts...
1560 qc_value
int unsigned
NOT NULL default 0,
1562 -- Target namespace+title
1563 qc_namespace
int NOT NULL default 0,
1564 qc_title
varchar(255) binary NOT NULL default ''
1565 ) /*$wgDBTableOptions*/;
1567 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1571 -- For a few generic cache operations if not using Memcached
1573 CREATE TABLE /*_*/objectcache (
1574 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1577 ) /*$wgDBTableOptions*/;
1578 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1582 -- Cache of interwiki transclusion
1584 CREATE TABLE /*_*/transcache (
1585 tc_url
varbinary(255) NOT NULL PRIMARY KEY,
1587 tc_time
binary(14) NOT NULL
1588 ) /*$wgDBTableOptions*/;
1591 CREATE TABLE /*_*/logging (
1592 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1593 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1595 -- Symbolic keys for the general log type and the action type
1596 -- within the log. The output format will be controlled by the
1597 -- action field, but only the type controls categorization.
1598 log_type
varbinary(32) NOT NULL default '',
1599 log_action
varbinary(32) NOT NULL default '',
1602 log_timestamp
binary(14) NOT NULL default '19700101000000',
1604 -- The user who performed this action; key to user_id
1605 log_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of log_actor
1607 -- Name of the user who performed this action
1608 log_user_text
varchar(255) binary NOT NULL default '', -- Deprecated in favor of log_actor
1610 -- The actor who performed this action
1611 log_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that log_user/log_user_text should be used)
1613 -- Key to the page affected. Where a user is the target,
1614 -- this will point to the user page.
1615 log_namespace
int NOT NULL default 0,
1616 log_title
varchar(255) binary NOT NULL default '',
1617 log_page
int unsigned
NULL,
1619 -- Freeform text. Interpreted as edit history comments.
1620 -- Deprecated in favor of log_comment_id.
1621 log_comment
varbinary(767) NOT NULL default '',
1623 -- Key to comment_id. Comment summarizing the change.
1624 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1625 log_comment_id
bigint unsigned
NOT NULL DEFAULT 0,
1627 -- miscellaneous parameters:
1628 -- LF separated list (old system) or serialized PHP array (new system)
1629 log_params
blob NOT NULL,
1631 -- rev_deleted for logs
1632 log_deleted tinyint unsigned
NOT NULL default 0
1633 ) /*$wgDBTableOptions*/;
1635 -- Special:Log type filter
1636 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1638 -- Special:Log performer filter
1639 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1640 CREATE INDEX /*i*/actor_time
ON /*_*/logging (log_actor
, log_timestamp
);
1642 -- Special:Log title filter, log extract
1643 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1645 -- Special:Log unfiltered
1646 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1648 -- Special:Log filter by performer and type
1649 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1650 CREATE INDEX /*i*/log_actor_type_time
ON /*_*/logging (log_actor
, log_type
, log_timestamp
);
1652 -- Apparently just used for a few maintenance pages (findMissingFiles.php, Flow).
1653 -- Could be removed?
1654 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1656 -- Special:Log action filter
1657 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1659 -- Special:Log filter by type and anonymous performer
1660 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1662 -- Special:Log filter by anonymous performer
1663 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1666 CREATE TABLE /*_*/log_search (
1667 -- The type of ID (rev ID, log ID, rev timestamp, username)
1668 ls_field
varbinary(32) NOT NULL,
1669 -- The value of the ID
1670 ls_value
varchar(255) NOT NULL,
1672 ls_log_id
int unsigned
NOT NULL default 0,
1673 PRIMARY KEY (ls_field
,ls_value
,ls_log_id
)
1674 ) /*$wgDBTableOptions*/;
1675 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1678 -- Jobs performed by parallel apache threads or a command-line daemon
1679 CREATE TABLE /*_*/job (
1680 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1683 -- Limited to 60 to prevent key length overflow
1684 job_cmd
varbinary(60) NOT NULL default '',
1686 -- Namespace and title to act on
1687 -- Should be 0 and '' if the command does not operate on a title
1688 job_namespace
int NOT NULL,
1689 job_title
varchar(255) binary NOT NULL,
1691 -- Timestamp of when the job was inserted
1692 -- NULL for jobs added before addition of the timestamp
1693 job_timestamp
varbinary(14) NULL default NULL,
1695 -- Any other parameters to the command
1696 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1697 job_params
blob NOT NULL,
1699 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1700 job_random
integer unsigned
NOT NULL default 0,
1702 -- The number of times this job has been locked
1703 job_attempts
integer unsigned
NOT NULL default 0,
1705 -- Field that conveys process locks on rows via process UUIDs
1706 job_token
varbinary(32) NOT NULL default '',
1708 -- Timestamp when the job was locked
1709 job_token_timestamp
varbinary(14) NULL default NULL,
1711 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1712 job_sha1
varbinary(32) NOT NULL default ''
1713 ) /*$wgDBTableOptions*/;
1715 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1716 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1717 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1718 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1719 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1722 -- Details of updates to cached special pages
1723 CREATE TABLE /*_*/querycache_info (
1724 -- Special page name
1725 -- Corresponds to a qc_type value
1726 qci_type
varbinary(32) NOT NULL default '' PRIMARY KEY,
1728 -- Timestamp of last update
1729 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1730 ) /*$wgDBTableOptions*/;
1733 -- For each redirect, this table contains exactly one row defining its target
1734 CREATE TABLE /*_*/redirect (
1735 -- Key to the page_id of the redirect page
1736 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1738 -- Key to page_namespace/page_title of the target page.
1739 -- The target page may or may not exist, and due to renames
1740 -- and deletions may refer to different page records as time
1742 rd_namespace
int NOT NULL default 0,
1743 rd_title
varchar(255) binary NOT NULL default '',
1744 rd_interwiki
varchar(32) default NULL,
1745 rd_fragment
varchar(255) binary default NULL
1746 ) /*$wgDBTableOptions*/;
1748 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1751 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1752 CREATE TABLE /*_*/querycachetwo (
1753 -- A key name, generally the base name of of the special page.
1754 qcc_type
varbinary(32) NOT NULL,
1756 -- Some sort of stored value. Sizes, counts...
1757 qcc_value
int unsigned
NOT NULL default 0,
1759 -- Target namespace+title
1760 qcc_namespace
int NOT NULL default 0,
1761 qcc_title
varchar(255) binary NOT NULL default '',
1763 -- Target namespace+title2
1764 qcc_namespacetwo
int NOT NULL default 0,
1765 qcc_titletwo
varchar(255) binary NOT NULL default ''
1766 ) /*$wgDBTableOptions*/;
1768 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1769 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1770 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1773 -- Used for storing page restrictions (i.e. protection levels)
1774 CREATE TABLE /*_*/page_restrictions (
1775 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1776 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1777 -- Page to apply restrictions to (Foreign Key to page).
1778 pr_page
int NOT NULL,
1779 -- The protection type (edit, move, etc)
1780 pr_type
varbinary(60) NOT NULL,
1781 -- The protection level (Sysop, autoconfirmed, etc)
1782 pr_level
varbinary(60) NOT NULL,
1783 -- Whether or not to cascade the protection down to pages transcluded.
1784 pr_cascade tinyint
NOT NULL,
1785 -- Field for future support of per-user restriction.
1786 pr_user
int unsigned
NULL,
1787 -- Field for time-limited protection.
1788 pr_expiry
varbinary(14) NULL
1789 ) /*$wgDBTableOptions*/;
1791 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1792 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1793 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1794 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1797 -- Protected titles - nonexistent pages that have been protected
1798 CREATE TABLE /*_*/protected_titles (
1799 pt_namespace
int NOT NULL,
1800 pt_title
varchar(255) binary NOT NULL,
1801 pt_user
int unsigned
NOT NULL,
1802 pt_reason
varbinary(767) default '', -- Deprecated.
1803 pt_reason_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that pt_reason should be used)
1804 pt_timestamp
binary(14) NOT NULL,
1805 pt_expiry
varbinary(14) NOT NULL default '',
1806 pt_create_perm
varbinary(60) NOT NULL
1807 ) /*$wgDBTableOptions*/;
1809 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1810 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1813 -- Name/value pairs indexed by page_id
1814 CREATE TABLE /*_*/page_props (
1815 pp_page
int NOT NULL,
1816 pp_propname
varbinary(60) NOT NULL,
1817 pp_value
blob NOT NULL,
1818 pp_sortkey
float DEFAULT NULL
1819 ) /*$wgDBTableOptions*/;
1821 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1822 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1823 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1825 -- A table to log updates, one text key row per update.
1826 CREATE TABLE /*_*/updatelog (
1827 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1829 ) /*$wgDBTableOptions*/;
1832 -- A table to track tags for revisions, logs and recent changes.
1833 CREATE TABLE /*_*/change_tag (
1834 ct_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1835 -- RCID for the change
1837 -- LOGID for the change
1838 ct_log_id
int unsigned
NULL,
1839 -- REVID for the change
1840 ct_rev_id
int unsigned
NULL,
1842 ct_tag
varchar(255) NOT NULL,
1843 -- Parameters for the tag; used by some extensions
1845 ) /*$wgDBTableOptions*/;
1847 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1848 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1849 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1850 -- Covering index, so we can pull all the info only out of the index.
1851 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1854 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1855 -- that only works on MySQL 4.1+
1856 CREATE TABLE /*_*/tag_summary (
1857 ts_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1858 -- RCID for the change
1860 -- LOGID for the change
1861 ts_log_id
int unsigned
NULL,
1862 -- REVID for the change
1863 ts_rev_id
int unsigned
NULL,
1864 -- Comma-separated list of tags
1865 ts_tags
blob NOT NULL
1866 ) /*$wgDBTableOptions*/;
1868 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1869 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1870 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1873 CREATE TABLE /*_*/valid_tag (
1874 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1875 ) /*$wgDBTableOptions*/;
1877 -- Table for storing localisation data
1878 CREATE TABLE /*_*/l10n_cache (
1880 lc_lang
varbinary(32) NOT NULL,
1882 lc_key
varchar(255) NOT NULL,
1884 lc_value mediumblob
NOT NULL,
1885 PRIMARY KEY (lc_lang
, lc_key
)
1886 ) /*$wgDBTableOptions*/;
1888 -- Table caching which local files a module depends on that aren't
1889 -- registered directly, used for fast retrieval of file dependency.
1890 -- Currently only used for tracking images that CSS depends on
1891 CREATE TABLE /*_*/module_deps (
1893 md_module
varbinary(255) NOT NULL,
1894 -- Module context vary (includes skin and language; called "md_skin" for legacy reasons)
1895 md_skin
varbinary(32) NOT NULL,
1896 -- JSON blob with file dependencies
1897 md_deps mediumblob
NOT NULL,
1898 PRIMARY KEY (md_module
,md_skin
)
1899 ) /*$wgDBTableOptions*/;
1901 -- Holds all the sites known to the wiki.
1902 CREATE TABLE /*_*/sites (
1903 -- Numeric id of the site
1904 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1906 -- Global identifier for the site, ie 'enwiktionary'
1907 site_global_key
varbinary(32) NOT NULL,
1909 -- Type of the site, ie 'mediawiki'
1910 site_type
varbinary(32) NOT NULL,
1912 -- Group of the site, ie 'wikipedia'
1913 site_group
varbinary(32) NOT NULL,
1915 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1916 site_source
varbinary(32) NOT NULL,
1918 -- Language code of the sites primary language.
1919 site_language
varbinary(32) NOT NULL,
1921 -- Protocol of the site, ie 'http://', 'irc://', '//'
1922 -- This field is an index for lookups and is build from type specific data in site_data.
1923 site_protocol
varbinary(32) NOT NULL,
1925 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1926 -- This field is an index for lookups and is build from type specific data in site_data.
1927 site_domain
VARCHAR(255) NOT NULL,
1929 -- Type dependent site data.
1930 site_data
BLOB NOT NULL,
1932 -- If site.tld/path/key:pageTitle should forward users to the page on
1933 -- the actual site, where "key" is the local identifier.
1934 site_forward bool
NOT NULL,
1936 -- Type dependent site config.
1937 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1938 site_config
BLOB NOT NULL
1939 ) /*$wgDBTableOptions*/;
1941 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1942 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1943 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1944 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1945 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1946 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1947 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1948 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1950 -- Links local site identifiers to their corresponding site.
1951 CREATE TABLE /*_*/site_identifiers (
1952 -- Key on site.site_id
1953 si_site
INT UNSIGNED
NOT NULL,
1955 -- local key type, ie 'interwiki' or 'langlink'
1956 si_type
varbinary(32) NOT NULL,
1958 -- local key value, ie 'en' or 'wiktionary'
1959 si_key
varbinary(32) NOT NULL
1960 ) /*$wgDBTableOptions*/;
1962 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1963 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1964 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1966 -- vim: sw=2 sts=2 et