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 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
369 -- exist, this field should be ignored (and may be 0) in favor of the
370 -- corresponding data from the slots and content tables
371 rev_text_id
int unsigned
NOT NULL default 0,
373 -- Text comment summarizing the change. Deprecated in favor of
374 -- revision_comment_temp.revcomment_comment_id.
375 rev_comment
varbinary(767) NOT NULL default '',
377 -- Key to user.user_id of the user who made this edit.
378 -- Stores 0 for anonymous edits and for some mass imports.
379 -- Deprecated in favor of revision_actor_temp.revactor_actor.
380 rev_user
int unsigned
NOT NULL default 0,
382 -- Text username or IP address of the editor.
383 -- Deprecated in favor of revision_actor_temp.revactor_actor.
384 rev_user_text
varchar(255) binary NOT NULL default '',
386 -- Timestamp of when revision was created
387 rev_timestamp
binary(14) NOT NULL default '',
389 -- Records whether the user marked the 'minor edit' checkbox.
390 -- Many automated edits are marked as minor.
391 rev_minor_edit tinyint unsigned
NOT NULL default 0,
393 -- Restrictions on who can access this revision
394 rev_deleted tinyint unsigned
NOT NULL default 0,
396 -- Length of this revision in bytes
397 rev_len
int unsigned
,
399 -- Key to revision.rev_id
400 -- This field is used to add support for a tree structure (The Adjacency List Model)
401 rev_parent_id
int unsigned
default NULL,
403 -- SHA-1 text content hash in base-36
404 rev_sha1
varbinary(32) NOT NULL default '',
406 -- content model, see CONTENT_MODEL_XXX constants
407 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
408 -- exist, this field should be ignored (and may be NULL) in favor of the
409 -- corresponding data from the slots and content tables
410 rev_content_model
varbinary(32) DEFAULT NULL,
412 -- content format, see CONTENT_FORMAT_XXX constants
413 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = rev_id
414 -- exist, this field should be ignored (and may be NULL).
415 rev_content_format
varbinary(64) DEFAULT NULL
417 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
418 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
420 -- The index is proposed for removal, do not use it in new code: T163532.
421 -- Used for ordering revisions within a page by rev_id, which is usually
422 -- incorrect, since rev_timestamp is normally the correct order. It can also
423 -- be used by dumpBackup.php, if a page and rev_id range is specified.
424 CREATE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
426 -- Used by ApiQueryAllRevisions
427 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
430 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
432 -- Logged-in user contributions index
433 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
435 -- Anonymous user countributions index
436 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
438 -- Credits index. This is scanned in order to compile credits lists for pages,
439 -- in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified
440 -- and is a logged-in user.
441 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
444 -- Temporary table to avoid blocking on an alter of revision.
446 -- On large wikis like the English Wikipedia, altering the revision table is a
447 -- months-long process. This table is being created to avoid such an alter, and
448 -- will be merged back into revision in the future.
450 CREATE TABLE /*_*/revision_comment_temp (
452 revcomment_rev
int unsigned
NOT NULL,
454 revcomment_comment_id
bigint unsigned
NOT NULL,
455 PRIMARY KEY (revcomment_rev
, revcomment_comment_id
)
456 ) /*$wgDBTableOptions*/;
458 CREATE UNIQUE INDEX /*i*/revcomment_rev
ON /*_*/revision_comment_temp (revcomment_rev
);
461 -- Temporary table to avoid blocking on an alter of revision.
463 -- On large wikis like the English Wikipedia, altering the revision table is a
464 -- months-long process. This table is being created to avoid such an alter, and
465 -- will be merged back into revision in the future.
467 CREATE TABLE /*_*/revision_actor_temp (
469 revactor_rev
int unsigned
NOT NULL,
471 revactor_actor
bigint unsigned
NOT NULL,
472 -- Copy fields from revision for indexes
473 revactor_timestamp
binary(14) NOT NULL default '',
474 revactor_page
int unsigned
NOT NULL,
475 PRIMARY KEY (revactor_rev
, revactor_actor
)
476 ) /*$wgDBTableOptions*/;
478 CREATE UNIQUE INDEX /*i*/revactor_rev
ON /*_*/revision_actor_temp (revactor_rev
);
479 -- Match future indexes on revision
480 CREATE INDEX /*i*/actor_timestamp
ON /*_*/revision_actor_temp (revactor_actor
,revactor_timestamp
);
481 CREATE INDEX /*i*/page_actor_timestamp
ON /*_*/revision_actor_temp (revactor_page
,revactor_actor
,revactor_timestamp
);
484 -- Every time an edit by a logged out user is saved,
485 -- a row is created in ip_changes. This stores
486 -- the IP as a hex representation so that we can more
487 -- easily find edits within an IP range.
489 CREATE TABLE /*_*/ip_changes (
490 -- Foreign key to the revision table, also serves as the unique primary key
491 ipc_rev_id
int unsigned
NOT NULL PRIMARY KEY DEFAULT '0',
493 -- The timestamp of the revision
494 ipc_rev_timestamp
binary(14) NOT NULL DEFAULT '',
496 -- Hex representation of the IP address, as returned by IP::toHex()
497 -- For IPv4 it will resemble: ABCD1234
498 -- For IPv6: v6-ABCD1234000000000000000000000000
499 -- BETWEEN is then used to identify revisions within a given range
500 ipc_hex
varbinary(35) NOT NULL DEFAULT ''
502 ) /*$wgDBTableOptions*/;
504 CREATE INDEX /*i*/ipc_rev_timestamp
ON /*_*/ip_changes (ipc_rev_timestamp
);
505 CREATE INDEX /*i*/ipc_hex_time
ON /*_*/ip_changes (ipc_hex
,ipc_rev_timestamp
);
508 -- Holds text of individual page revisions.
510 -- Field names are a holdover from the 'old' revisions table in
511 -- MediaWiki 1.4 and earlier: an upgrade will transform that
512 -- table into the 'text' table to minimize unnecessary churning
513 -- and downtime. If upgrading, the other fields will be left unused.
515 CREATE TABLE /*_*/text (
516 -- Unique text storage key number.
517 -- Note that the 'oldid' parameter used in URLs does *not*
518 -- refer to this number anymore, but to rev_id.
520 -- revision.rev_text_id is a key to this column
521 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
523 -- Depending on the contents of the old_flags field, the text
524 -- may be convenient plain text, or it may be funkily encoded.
525 old_text mediumblob
NOT NULL,
527 -- Comma-separated list of flags:
528 -- gzip: text is compressed with PHP's gzdeflate() function.
529 -- utf-8: text was stored as UTF-8.
530 -- If $wgLegacyEncoding option is on, rows *without* this flag
531 -- will be converted to UTF-8 transparently at load time. Note
532 -- that due to a bug in a maintenance script, this flag may
533 -- have been stored as 'utf8' in some cases (T18841).
534 -- object: text field contained a serialized PHP object.
535 -- The object either contains multiple versions compressed
536 -- together to achieve a better compression ratio, or it refers
537 -- to another row where the text can be found.
538 -- external: text was stored in an external location specified by old_text.
539 -- Any additional flags apply to the data stored at that URL, not
540 -- the URL itself. The 'object' flag is *not* set for URLs of the
541 -- form 'DB://cluster/id/itemid', because the external storage
542 -- system itself decompresses these.
543 old_flags tinyblob
NOT NULL
544 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
545 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
549 -- Edits, blocks, and other actions typically have a textual comment describing
550 -- the action. They are stored here to reduce the size of the main tables, and
551 -- to allow for deduplication.
553 -- Deduplication is currently best-effort to avoid locking on inserts that
554 -- would be required for strict deduplication. There MAY be multiple rows with
555 -- the same comment_text and comment_data.
557 CREATE TABLE /*_*/comment (
558 -- Unique ID to identify each comment
559 comment_id
bigint unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
561 -- Hash of comment_text and comment_data, for deduplication
562 comment_hash
INT NOT NULL,
564 -- Text comment summarizing the change.
565 -- This text is shown in the history and other changes lists,
566 -- rendered in a subset of wiki markup by Linker::formatComment()
567 -- Size limits are enforced at the application level, and should
568 -- take care to crop UTF-8 strings appropriately.
569 comment_text
BLOB NOT NULL,
571 -- JSON data, intended for localizing auto-generated comments.
572 -- This holds structured data that is intended to be used to provide
573 -- localized versions of automatically-generated comments. When not empty,
574 -- comment_text should be the generated comment localized using the wiki's
577 ) /*$wgDBTableOptions*/;
578 -- Index used for deduplication.
579 CREATE INDEX /*i*/comment_hash
ON /*_*/comment (comment_hash
);
583 -- Archive area for deleted pages and their revisions.
584 -- These may be viewed (and restored) by admins through the Special:Undelete interface.
586 CREATE TABLE /*_*/archive (
588 ar_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
590 -- Copied from page_namespace
591 ar_namespace
int NOT NULL default 0,
592 -- Copied from page_title
593 ar_title
varchar(255) binary NOT NULL default '',
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 rev_id.
606 -- @since 1.5 Entries from 1.4 will be NULL here. When restoring
607 -- archive rows from before 1.5, a new rev_id is created.
608 ar_rev_id
int unsigned
NOT NULL,
610 -- Copied from rev_text_id, references text.old_id.
611 -- To avoid breaking the block-compression scheme and otherwise making
612 -- storage changes harder, the actual text is *not* deleted from the
613 -- text storage. Instead, it is merely hidden from public view, by removal
614 -- of the page and revision entries.
616 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
617 -- exist, this field should be ignored (and may be 0) in favor of the
618 -- corresponding data from the slots and content tables
619 ar_text_id
int unsigned
NOT NULL DEFAULT 0,
621 -- Copied from rev_deleted. Although this may be raised during deletion.
622 -- Users with the "suppressrevision" right may "archive" and "suppress"
623 -- content in a single action.
625 ar_deleted tinyint unsigned
NOT NULL default 0,
627 -- Copied from rev_len, length of this revision in bytes.
631 -- Copied from page_id. Restoration will attempt to use this as page ID if
632 -- no current page with the same name exists. Otherwise, the revisions will
633 -- be restored under the current page. Can be used for manual undeletion by
634 -- developers if multiple pages by the same name were archived.
636 -- @since 1.11 Older entries will have NULL.
637 ar_page_id
int unsigned
,
639 -- Copied from rev_parent_id.
641 ar_parent_id
int unsigned
default NULL,
643 -- Copied from rev_sha1, SHA-1 text content hash in base-36
645 ar_sha1
varbinary(32) NOT NULL default '',
647 -- Copied from rev_content_model, see CONTENT_MODEL_XXX constants
649 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
650 -- exist, this field should be ignored (and may be NULL) in favor of the
651 -- corresponding data from the slots and content tables
652 ar_content_model
varbinary(32) DEFAULT NULL,
654 -- Copied from rev_content_format, see CONTENT_FORMAT_XXX constants
656 -- @deprecated since 1.31. If rows in the slots table with slot_revision_id = ar_rev_id
657 -- exist, this field should be ignored (and may be NULL).
658 ar_content_format
varbinary(64) DEFAULT NULL
659 ) /*$wgDBTableOptions*/;
661 -- Index for Special:Undelete to page through deleted revisions
662 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
664 -- Index for Special:DeletedContributions
665 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
666 CREATE INDEX /*i*/ar_actor_timestamp
ON /*_*/archive (ar_actor
,ar_timestamp
);
668 -- Index for linking archive rows with tables that normally link with revision
669 -- rows, such as change_tag.
670 CREATE UNIQUE INDEX /*i*/ar_revid_uniq
ON /*_*/archive (ar_rev_id
);
673 -- Slots represent an n:m relation between revisions and content objects.
674 -- A content object can have a specific "role" in one or more revisions.
675 -- Each revision can have multiple content objects, each having a different role.
677 CREATE TABLE /*_*/slots (
679 -- reference to rev_id or ar_rev_id
680 slot_revision_id
bigint unsigned
NOT NULL,
682 -- reference to role_id
683 slot_role_id
smallint unsigned
NOT NULL,
685 -- reference to content_id
686 slot_content_id
bigint unsigned
NOT NULL,
688 -- The revision ID of the revision that originated the slot's content.
689 -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
690 -- TODO: Is that actually true? Rollback seems to violate it by setting
691 -- slot_origin to an older rev_id. Undeletions could result in the same situation.
692 slot_origin
bigint unsigned
NOT NULL,
694 PRIMARY KEY ( slot_revision_id
, slot_role_id
)
695 ) /*$wgDBTableOptions*/;
697 -- Index for finding revisions that modified a specific slot
698 CREATE INDEX /*i*/slot_revision_origin_role
ON /*_*/slots (slot_revision_id
, slot_origin
, slot_role_id
);
701 -- The content table represents content objects. It's primary purpose is to provide the necessary
702 -- meta-data for loading and interpreting a serialized data blob to create a content object.
704 CREATE TABLE /*_*/content (
706 -- ID of the content object
707 content_id
bigint unsigned
PRIMARY KEY AUTO_INCREMENT
,
709 -- Nominal size of the content object (not necessarily of the serialized blob)
710 content_size
int unsigned
NOT NULL,
712 -- Nominal hash of the content object (not necessarily of the serialized blob)
713 content_sha1
varbinary(32) NOT NULL,
715 -- reference to model_id. Note the content format isn't specified; it should
716 -- be assumed to be in the default format for the model unless auto-detected
718 content_model
smallint unsigned
NOT NULL,
720 -- URL-like address of the content blob
721 content_address
varbinary(255) NOT NULL
722 ) /*$wgDBTableOptions*/;
725 -- Normalization table for role names
727 CREATE TABLE /*_*/slot_roles (
728 role_id
smallint PRIMARY KEY AUTO_INCREMENT
,
729 role_name
varbinary(64) NOT NULL
730 ) /*$wgDBTableOptions*/;
732 -- Index for looking of the internal ID of for a name
733 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
736 -- Normalization table for content model names
738 CREATE TABLE /*_*/content_models (
739 model_id
smallint PRIMARY KEY AUTO_INCREMENT
,
740 model_name
varbinary(64) NOT NULL
741 ) /*$wgDBTableOptions*/;
743 -- Index for looking of the internal ID of for a name
744 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
747 -- Track page-to-page hyperlinks within the wiki.
749 CREATE TABLE /*_*/pagelinks (
750 -- Key to the page_id of the page containing the link.
751 pl_from
int unsigned
NOT NULL default 0,
752 -- Namespace for this page
753 pl_from_namespace
int NOT NULL default 0,
755 -- Key to page_namespace/page_title of the target page.
756 -- The target page may or may not exist, and due to renames
757 -- and deletions may refer to different page records as time
759 pl_namespace
int NOT NULL default 0,
760 pl_title
varchar(255) binary NOT NULL default '',
761 PRIMARY KEY (pl_from
,pl_namespace
,pl_title
)
762 ) /*$wgDBTableOptions*/;
764 -- Reverse index, for Special:Whatlinkshere
765 CREATE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
767 -- Index for Special:Whatlinkshere with namespace filter
768 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
772 -- Track template inclusions.
774 CREATE TABLE /*_*/templatelinks (
775 -- Key to the page_id of the page containing the link.
776 tl_from
int unsigned
NOT NULL default 0,
777 -- Namespace for this page
778 tl_from_namespace
int NOT NULL default 0,
780 -- Key to page_namespace/page_title of the target page.
781 -- The target page may or may not exist, and due to renames
782 -- and deletions may refer to different page records as time
784 tl_namespace
int NOT NULL default 0,
785 tl_title
varchar(255) binary NOT NULL default '',
786 PRIMARY KEY (tl_from
,tl_namespace
,tl_title
)
787 ) /*$wgDBTableOptions*/;
789 -- Reverse index, for Special:Whatlinkshere
790 CREATE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
792 -- Index for Special:Whatlinkshere with namespace filter
793 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
797 -- Track links to images *used inline*
798 -- We don't distinguish live from broken links here, so
799 -- they do not need to be changed on upload/removal.
801 CREATE TABLE /*_*/imagelinks (
802 -- Key to page_id of the page containing the image / media link.
803 il_from
int unsigned
NOT NULL default 0,
804 -- Namespace for this page
805 il_from_namespace
int NOT NULL default 0,
807 -- Filename of target image.
808 -- This is also the page_title of the file's description page;
809 -- all such pages are in namespace 6 (NS_FILE).
810 il_to
varchar(255) binary NOT NULL default '',
811 PRIMARY KEY (il_from
,il_to
)
812 ) /*$wgDBTableOptions*/;
814 -- Reverse index, for Special:Whatlinkshere and file description page local usage
815 CREATE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
817 -- Index for Special:Whatlinkshere with namespace filter
818 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
822 -- Track category inclusions *used inline*
823 -- This tracks a single level of category membership
825 CREATE TABLE /*_*/categorylinks (
826 -- Key to page_id of the page defined as a category member.
827 cl_from
int unsigned
NOT NULL default 0,
829 -- Name of the category.
830 -- This is also the page_title of the category's description page;
831 -- all such pages are in namespace 14 (NS_CATEGORY).
832 cl_to
varchar(255) binary NOT NULL default '',
834 -- A binary string obtained by applying a sortkey generation algorithm
835 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
836 -- . page_title if cl_sortkey_prefix is nonempty.
837 cl_sortkey
varbinary(230) NOT NULL default '',
839 -- A prefix for the raw sortkey manually specified by the user, either via
840 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
841 -- concatenated with a line break followed by the page title before the sortkey
842 -- conversion algorithm is run. We store this so that we can update
843 -- collations without reparsing all pages.
844 -- Note: If you change the length of this field, you also need to change
845 -- code in LinksUpdate.php. See T27254.
846 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
848 -- This isn't really used at present. Provided for an optional
849 -- sorting method by approximate addition time.
850 cl_timestamp
timestamp NOT NULL,
852 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
853 -- can be used to install new collation versions, tracking which rows are not
854 -- yet updated. '' means no collation, this is a legacy row that needs to be
855 -- updated by updateCollation.php. In the future, it might be possible to
856 -- specify different collations per category.
857 cl_collation
varbinary(32) NOT NULL default '',
859 -- Stores whether cl_from is a category, file, or other page, so we can
860 -- paginate the three categories separately. This never has to be updated
861 -- after the page is created, since none of these page types can be moved to
863 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page',
864 PRIMARY KEY (cl_from
,cl_to
)
865 ) /*$wgDBTableOptions*/;
868 -- We always sort within a given category, and within a given type. FIXME:
869 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
870 -- callers won't be using an index: fix this?
871 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
873 -- Used by the API (and some extensions)
874 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
876 -- Used when updating collation (e.g. updateCollation.php)
877 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
880 -- Track all existing categories. Something is a category if 1) it has an entry
881 -- somewhere in categorylinks, or 2) it has a description page. Categories
882 -- might not have corresponding pages, so they need to be tracked separately.
884 CREATE TABLE /*_*/category (
886 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
888 -- Name of the category, in the same form as page_title (with underscores).
889 -- If there is a category page corresponding to this category, by definition,
890 -- it has this name (in the Category namespace).
891 cat_title
varchar(255) binary NOT NULL,
893 -- The numbers of member pages (including categories and media), subcatego-
894 -- ries, and Image: namespace members, respectively. These are signed to
895 -- make underflow more obvious. We make the first number include the second
896 -- two for better sorting: subtracting for display is easy, adding for order-
898 cat_pages
int signed
NOT NULL default 0,
899 cat_subcats
int signed
NOT NULL default 0,
900 cat_files
int signed
NOT NULL default 0
901 ) /*$wgDBTableOptions*/;
903 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
905 -- For Special:Mostlinkedcategories
906 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
910 -- Track links to external URLs
912 CREATE TABLE /*_*/externallinks (
914 el_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
916 -- page_id of the referring page
917 el_from
int unsigned
NOT NULL default 0,
922 -- In the case of HTTP URLs, this is the URL with any username or password
923 -- removed, and with the labels in the hostname reversed and converted to
924 -- lower case. An extra dot is added to allow for matching of either
925 -- example.com or *.example.com in a single scan.
927 -- http://user:password@sub.example.com/page.html
929 -- http://com.example.sub./page.html
930 -- which allows for fast searching for all pages under example.com with the
932 -- WHERE el_index LIKE 'http://com.example.%'
933 el_index
blob NOT NULL,
935 -- This is el_index truncated to 60 bytes to allow for sortable queries that
936 -- aren't supported by a partial index.
937 el_index_60
varbinary(60) NOT NULL
938 ) /*$wgDBTableOptions*/;
940 -- Forward index, for page edit, save
941 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
943 -- Index for Special:LinkSearch exact search
944 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
946 -- For Special:LinkSearch wildcard search
947 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
949 -- For Special:LinkSearch wildcard search with efficient paging by el_id
950 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
951 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
954 -- Track interlanguage links
956 CREATE TABLE /*_*/langlinks (
957 -- page_id of the referring page
958 ll_from
int unsigned
NOT NULL default 0,
960 -- Language code of the target
961 ll_lang
varbinary(20) NOT NULL default '',
963 -- Title of the target, including namespace
964 ll_title
varchar(255) binary NOT NULL default '',
965 PRIMARY KEY (ll_from
,ll_lang
)
966 ) /*$wgDBTableOptions*/;
968 -- Index for ApiQueryLangbacklinks
969 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
973 -- Track inline interwiki links
975 CREATE TABLE /*_*/iwlinks (
976 -- page_id of the referring page
977 iwl_from
int unsigned
NOT NULL default 0,
979 -- Interwiki prefix code of the target
980 iwl_prefix
varbinary(20) NOT NULL default '',
982 -- Title of the target, including namespace
983 iwl_title
varchar(255) binary NOT NULL default '',
984 PRIMARY KEY (iwl_from
,iwl_prefix
,iwl_title
)
985 ) /*$wgDBTableOptions*/;
987 -- Index for ApiQueryIWBacklinks
988 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
990 -- Index for ApiQueryIWLinks
991 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
995 -- Contains a single row with some aggregate info
996 -- on the state of the site.
998 CREATE TABLE /*_*/site_stats (
999 -- The single row should contain 1 here.
1000 ss_row_id
int unsigned
NOT NULL PRIMARY KEY,
1002 -- Total number of edits performed.
1003 ss_total_edits
bigint unsigned
default NULL,
1005 -- See SiteStatsInit::articles().
1006 ss_good_articles
bigint unsigned
default NULL,
1008 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page.
1009 ss_total_pages
bigint unsigned
default NULL,
1011 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user.
1012 ss_users
bigint unsigned
default NULL,
1014 -- Number of users that still edit.
1015 ss_active_users
bigint unsigned
default NULL,
1017 -- Number of images, equivalent to SELECT COUNT(*) FROM image.
1018 ss_images
bigint unsigned
default NULL
1019 ) /*$wgDBTableOptions*/;
1022 -- The internet is full of jerks, alas. Sometimes it's handy
1023 -- to block a vandal or troll account.
1025 CREATE TABLE /*_*/ipblocks (
1026 -- Primary key, introduced for privacy.
1027 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1029 -- Blocked IP address in dotted-quad form or user name.
1030 ipb_address tinyblob
NOT NULL,
1032 -- Blocked user ID or 0 for IP blocks.
1033 ipb_user
int unsigned
NOT NULL default 0,
1035 -- User ID who made the block.
1036 ipb_by
int unsigned
NOT NULL default 0, -- Deprecated in favor of ipb_by_actor
1038 -- User name of blocker
1039 ipb_by_text
varchar(255) binary NOT NULL default '', -- Deprecated in favor of ipb_by_actor
1041 -- Actor who made the block.
1042 ipb_by_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that ipb_by/ipb_by_text should be used)
1044 -- Text comment made by blocker. Deprecated in favor of ipb_reason_id
1045 ipb_reason
varbinary(767) NOT NULL default '',
1047 -- Key to comment_id. Text comment made by blocker.
1048 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
1049 ipb_reason_id
bigint unsigned
NOT NULL DEFAULT 0,
1051 -- Creation (or refresh) date in standard YMDHMS form.
1052 -- IP blocks expire automatically.
1053 ipb_timestamp
binary(14) NOT NULL default '',
1055 -- Indicates that the IP address was banned because a banned
1056 -- user accessed a page through it. If this is 1, ipb_address
1057 -- will be hidden, and the block identified by block ID number.
1058 ipb_auto bool
NOT NULL default 0,
1060 -- If set to 1, block applies only to logged-out users
1061 ipb_anon_only bool
NOT NULL default 0,
1063 -- Block prevents account creation from matching IP addresses
1064 ipb_create_account bool
NOT NULL default 1,
1066 -- Block triggers autoblocks
1067 ipb_enable_autoblock bool
NOT NULL default '1',
1069 -- Time at which the block will expire.
1070 -- May be "infinity"
1071 ipb_expiry
varbinary(14) NOT NULL default '',
1073 -- Start and end of an address range, in hexadecimal
1074 -- Size chosen to allow IPv6
1075 -- FIXME: these fields were originally blank for single-IP blocks,
1076 -- but now they are populated. No migration was ever done. They
1077 -- should be fixed to be blank again for such blocks (T51504).
1078 ipb_range_start tinyblob
NOT NULL,
1079 ipb_range_end tinyblob
NOT NULL,
1081 -- Flag for entries hidden from users and Sysops
1082 ipb_deleted bool
NOT NULL default 0,
1084 -- Block prevents user from accessing Special:Emailuser
1085 ipb_block_email bool
NOT NULL default 0,
1087 -- Block allows user to edit their own talk page
1088 ipb_allow_usertalk bool
NOT NULL default 0,
1090 -- ID of the block that caused this block to exist
1091 -- Autoblocks set this to the original block
1092 -- so that the original block being deleted also
1093 -- deletes the autoblocks
1094 ipb_parent_block_id
int default NULL,
1096 -- Block user from editing any page on the site (other than their own user
1098 ipb_sitewide bool
NOT NULL default 1
1100 ) /*$wgDBTableOptions*/;
1102 -- Unique index to support "user already blocked" messages
1103 -- Any new options which prevent collisions should be included
1104 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
1106 -- For querying whether a logged-in user is blocked
1107 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
1109 -- For querying whether an IP address is in any range
1110 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
1112 -- Index for Special:BlockList
1113 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
1115 -- Index for table pruning
1116 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
1118 -- Index for removing autoblocks when a parent block is removed
1119 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
1122 -- Partial Block Restrictions
1124 CREATE TABLE /*_*/ipblocks_restrictions (
1126 -- The ipb_id from ipblocks
1127 ir_ipb_id
int NOT NULL,
1129 -- The restriction type id.
1130 ir_type
tinyint(1) NOT NULL,
1132 -- The restriction id that corrposponds to the type. Typically a Page ID or a
1134 ir_value
int NOT NULL,
1136 PRIMARY KEY (ir_ipb_id
, ir_type
, ir_value
)
1137 ) /*$wgDBTableOptions*/;
1139 -- Index to query restrictions by the page or namespace.
1140 CREATE INDEX /*i*/ir_type_value
ON /*_*/ipblocks_restrictions (ir_type
, ir_value
);
1143 -- Uploaded images and other files.
1145 CREATE TABLE /*_*/image (
1147 -- This is also the title of the associated description page,
1148 -- which will be in namespace 6 (NS_FILE).
1149 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
1151 -- File size in bytes.
1152 img_size
int unsigned
NOT NULL default 0,
1154 -- For images, size in pixels.
1155 img_width
int NOT NULL default 0,
1156 img_height
int NOT NULL default 0,
1158 -- Extracted Exif metadata stored as a serialized PHP array.
1159 img_metadata mediumblob
NOT NULL,
1161 -- For images, bits per pixel if known.
1162 img_bits
int NOT NULL default 0,
1164 -- Media type as defined by the MEDIATYPE_xxx constants
1165 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1167 -- major part of a MIME media type as defined by IANA
1168 -- see https://www.iana.org/assignments/media-types/
1169 -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS
1170 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1172 -- minor part of a MIME media type as defined by IANA
1173 -- the minor parts are not required to adher to any standard
1174 -- but should be consistent throughout the database
1175 -- see https://www.iana.org/assignments/media-types/
1176 img_minor_mime
varbinary(100) NOT NULL default "unknown",
1178 -- Description field as entered by the uploader.
1179 -- This is displayed in image upload history and logs.
1180 -- Deprecated in favor of img_description_id.
1181 img_description
varbinary(767) NOT NULL default '',
1183 img_description_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that img_description should be used)
1185 -- user_id and user_name of uploader.
1186 -- Deprecated in favor of img_actor.
1187 img_user
int unsigned
NOT NULL default 0,
1188 img_user_text
varchar(255) binary NOT NULL DEFAULT '',
1190 -- actor_id of the uploader.
1191 -- ("DEFAULT 0" is temporary, signaling that img_user/img_user_text should be used)
1192 img_actor
bigint unsigned
NOT NULL DEFAULT 0,
1194 -- Time of the upload.
1195 img_timestamp
varbinary(14) NOT NULL default '',
1197 -- SHA-1 content hash in base-36
1198 img_sha1
varbinary(32) NOT NULL default ''
1199 ) /*$wgDBTableOptions*/;
1201 -- Used by Special:Newimages and ApiQueryAllImages
1202 CREATE INDEX /*i*/img_user_timestamp
ON /*_*/image (img_user
,img_timestamp
);
1203 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
1204 CREATE INDEX /*i*/img_actor_timestamp
ON /*_*/image (img_actor
,img_timestamp
);
1205 -- Used by Special:ListFiles for sort-by-size
1206 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
1207 -- Used by Special:Newimages and Special:ListFiles
1208 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
1209 -- Used in API and duplicate search
1210 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
1211 -- Used to get media of one type
1212 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
1215 -- Temporary table to avoid blocking on an alter of image.
1217 -- On large wikis like Wikimedia Commons, altering the image table is a
1218 -- months-long process. This table is being created to avoid such an alter, and
1219 -- will be merged back into image in the future.
1221 CREATE TABLE /*_*/image_comment_temp (
1222 -- Key to img_name (ugh)
1223 imgcomment_name
varchar(255) binary NOT NULL,
1224 -- Key to comment_id
1225 imgcomment_description_id
bigint unsigned
NOT NULL,
1226 PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
1227 ) /*$wgDBTableOptions*/;
1228 -- Ensure uniqueness
1229 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
1233 -- Previous revisions of uploaded files.
1234 -- Awkwardly, image rows have to be moved into
1235 -- this table at re-upload time.
1237 CREATE TABLE /*_*/oldimage (
1238 -- Base filename: key to image.img_name
1239 oi_name
varchar(255) binary NOT NULL default '',
1241 -- Filename of the archived file.
1242 -- This is generally a timestamp and '!' prepended to the base name.
1243 oi_archive_name
varchar(255) binary NOT NULL default '',
1245 -- Other fields as in image...
1246 oi_size
int unsigned
NOT NULL default 0,
1247 oi_width
int NOT NULL default 0,
1248 oi_height
int NOT NULL default 0,
1249 oi_bits
int NOT NULL default 0,
1250 oi_description
varbinary(767) NOT NULL default '', -- Deprecated.
1251 oi_description_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_description should be used)
1252 oi_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of oi_actor
1253 oi_user_text
varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of oi_actor
1254 oi_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that oi_user/oi_user_text should be used)
1255 oi_timestamp
binary(14) NOT NULL default '',
1257 oi_metadata mediumblob
NOT NULL,
1258 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1259 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1260 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
1261 oi_deleted tinyint unsigned
NOT NULL default 0,
1262 oi_sha1
varbinary(32) NOT NULL default ''
1263 ) /*$wgDBTableOptions*/;
1265 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
1266 CREATE INDEX /*i*/oi_actor_timestamp
ON /*_*/oldimage (oi_actor
,oi_timestamp
);
1267 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
1268 -- oi_archive_name truncated to 14 to avoid key length overflow
1269 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
1270 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
1274 -- Record of deleted file data
1276 CREATE TABLE /*_*/filearchive (
1278 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1280 -- Original base filename; key to image.img_name, page.page_title, etc
1281 fa_name
varchar(255) binary NOT NULL default '',
1283 -- Filename of archived file, if an old revision
1284 fa_archive_name
varchar(255) binary default '',
1286 -- Which storage bin (directory tree or object store) the file data
1287 -- is stored in. Should be 'deleted' for files that have been deleted;
1288 -- any other bin is not yet in use.
1289 fa_storage_group
varbinary(16),
1291 -- SHA-1 of the file contents plus extension, used as a key for storage.
1292 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
1294 -- If NULL, the file was missing at deletion time or has been purged
1295 -- from the archival storage.
1296 fa_storage_key
varbinary(64) default '',
1298 -- Deletion information, if this file is deleted.
1299 fa_deleted_user
int,
1300 fa_deleted_timestamp
binary(14) default '',
1301 fa_deleted_reason
varbinary(767) default '', -- Deprecated
1302 fa_deleted_reason_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_deleted_reason should be used)
1304 -- Duped fields from image
1305 fa_size
int unsigned
default 0,
1306 fa_width
int default 0,
1307 fa_height
int default 0,
1308 fa_metadata mediumblob
,
1309 fa_bits
int default 0,
1310 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1311 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown",
1312 fa_minor_mime
varbinary(100) default "unknown",
1313 fa_description
varbinary(767) default '', -- Deprecated
1314 fa_description_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_description should be used)
1315 fa_user
int unsigned
default 0, -- Deprecated in favor of fa_actor
1316 fa_user_text
varchar(255) binary DEFAULT '', -- Deprecated in favor of fa_actor
1317 fa_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that fa_user/fa_user_text should be used)
1318 fa_timestamp
binary(14) default '',
1320 -- Visibility of deleted revisions, bitfield
1321 fa_deleted tinyint unsigned
NOT NULL default 0,
1323 -- sha1 hash of file content
1324 fa_sha1
varbinary(32) NOT NULL default ''
1325 ) /*$wgDBTableOptions*/;
1327 -- pick out by image name
1328 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
1329 -- pick out dupe files
1330 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
1331 -- sort by deletion time
1332 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
1334 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
1335 CREATE INDEX /*i*/fa_actor_timestamp
ON /*_*/filearchive (fa_actor
,fa_timestamp
);
1336 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
1337 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
1341 -- Store information about newly uploaded files before they're
1342 -- moved into the actual filestore
1344 CREATE TABLE /*_*/uploadstash (
1345 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1347 -- the user who uploaded the file.
1348 us_user
int unsigned
NOT NULL,
1350 -- file key. this is how applications actually search for the file.
1351 -- this might go away, or become the primary key.
1352 us_key
varchar(255) NOT NULL,
1354 -- the original path
1355 us_orig_path
varchar(255) NOT NULL,
1357 -- the temporary path at which the file is actually stored
1358 us_path
varchar(255) NOT NULL,
1360 -- which type of upload the file came from (sometimes)
1361 us_source_type
varchar(50),
1363 -- the date/time on which the file was added
1364 us_timestamp
varbinary(14) NOT NULL,
1366 us_status
varchar(50) NOT NULL,
1368 -- chunk counter starts at 0, current offset is stored in us_size
1369 us_chunk_inx
int unsigned
NULL,
1371 -- Serialized file properties from FSFile::getProps()
1374 -- file size in bytes
1375 us_size
int unsigned
NOT NULL,
1376 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
1377 us_sha1
varchar(31) NOT NULL,
1378 us_mime
varchar(255),
1379 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1380 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE", "3D") default NULL,
1381 -- image-specific properties
1382 us_image_width
int unsigned
,
1383 us_image_height
int unsigned
,
1384 us_image_bits
smallint unsigned
1386 ) /*$wgDBTableOptions*/;
1388 -- sometimes there's a delete for all of a user's stuff.
1389 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1390 -- pick out files by key, enforce key uniqueness
1391 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1392 -- the abandoned upload cleanup script needs this
1393 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1397 -- Primarily a summary table for Special:Recentchanges,
1398 -- this table contains some additional info on edits from
1399 -- the last few days, see Article::editUpdates()
1401 CREATE TABLE /*_*/recentchanges (
1402 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1403 rc_timestamp
varbinary(14) NOT NULL default '',
1406 rc_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of rc_actor
1407 rc_user_text
varchar(255) binary NOT NULL DEFAULT '', -- Deprecated in favor of rc_actor
1408 rc_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_user/rc_user_text should be used)
1410 -- When pages are renamed, their RC entries do _not_ change.
1411 rc_namespace
int NOT NULL default 0,
1412 rc_title
varchar(255) binary NOT NULL default '',
1414 -- as in revision...
1415 rc_comment
varbinary(767) NOT NULL default '', -- Deprecated.
1416 rc_comment_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that rc_comment should be used)
1417 rc_minor tinyint unsigned
NOT NULL default 0,
1419 -- Edits by user accounts with the 'bot' rights key are
1420 -- marked with a 1 here, and will be hidden from the
1422 rc_bot tinyint unsigned
NOT NULL default 0,
1424 -- Set if this change corresponds to a page creation
1425 rc_new tinyint unsigned
NOT NULL default 0,
1427 -- Key to page_id (was cur_id prior to 1.5).
1428 -- This will keep links working after moves while
1429 -- retaining the at-the-time name in the changes list.
1430 rc_cur_id
int unsigned
NOT NULL default 0,
1432 -- rev_id of the given revision
1433 rc_this_oldid
int unsigned
NOT NULL default 0,
1435 -- rev_id of the prior revision, for generating diff links.
1436 rc_last_oldid
int unsigned
NOT NULL default 0,
1438 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1439 rc_type tinyint unsigned
NOT NULL default 0,
1441 -- The source of the change entry (replaces rc_type)
1442 -- default of '' is temporary, needed for initial migration
1443 rc_source
varchar(16) binary not null default '',
1445 -- If the Recent Changes Patrol option is enabled,
1446 -- users may mark edits as having been reviewed to
1447 -- remove a warning flag on the RC list.
1448 -- A value of 1 indicates the page has been reviewed.
1449 rc_patrolled tinyint unsigned
NOT NULL default 0,
1451 -- Recorded IP address the edit was made from, if the
1452 -- $wgPutIPinRC option is enabled.
1453 rc_ip
varbinary(40) NOT NULL default '',
1455 -- Text length in characters before
1456 -- and after the edit
1460 -- Visibility of recent changes items, bitfield
1461 rc_deleted tinyint unsigned
NOT NULL default 0,
1463 -- Value corresponding to log_id, specific log entries
1464 rc_logid
int unsigned
NOT NULL default 0,
1465 -- Store log type info here, or null
1466 rc_log_type
varbinary(255) NULL default NULL,
1467 -- Store log action or null
1468 rc_log_action
varbinary(255) NULL default NULL,
1471 ) /*$wgDBTableOptions*/;
1473 -- Special:Recentchanges
1474 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1476 -- Special:Watchlist
1477 CREATE INDEX /*i*/rc_namespace_title_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_title
, rc_timestamp
);
1479 -- Special:Recentchangeslinked when finding changes in pages linked from a page
1480 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1483 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1485 -- Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions,
1486 -- but mostly replaced by CheckUser.
1487 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1489 -- Probably intended for Special:NewPages namespace filter
1490 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1491 CREATE INDEX /*i*/rc_ns_actor
ON /*_*/recentchanges (rc_namespace
, rc_actor
);
1493 -- SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter
1494 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1495 CREATE INDEX /*i*/rc_actor
ON /*_*/recentchanges (rc_actor
, rc_timestamp
);
1497 -- ApiQueryRecentChanges (T140108)
1498 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1500 -- Article.php and friends (T139012)
1501 CREATE INDEX /*i*/rc_this_oldid
ON /*_*/recentchanges (rc_this_oldid
);
1503 CREATE TABLE /*_*/watchlist (
1504 wl_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1505 -- Key to user.user_id
1506 wl_user
int unsigned
NOT NULL,
1508 -- Key to page_namespace/page_title
1509 -- Note that users may watch pages which do not exist yet,
1510 -- or existed in the past but have been deleted.
1511 wl_namespace
int NOT NULL default 0,
1512 wl_title
varchar(255) binary NOT NULL default '',
1514 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1515 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1516 -- of the page, which means that they should be sent an e-mail on the next change.
1517 wl_notificationtimestamp
varbinary(14)
1519 ) /*$wgDBTableOptions*/;
1521 -- Special:Watchlist
1522 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1524 -- Special:Movepage (WatchedItemStore::duplicateEntry)
1525 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1527 -- ApiQueryWatchlistRaw changed filter
1528 CREATE INDEX /*i*/wl_user_notificationtimestamp
ON /*_*/watchlist (wl_user
, wl_notificationtimestamp
);
1532 -- When using the default MySQL search backend, page titles
1533 -- and text are munged to strip markup, do Unicode case folding,
1534 -- and prepare the result for MySQL's fulltext index.
1536 -- This table must be MyISAM; InnoDB does not support the needed
1539 CREATE TABLE /*_*/searchindex (
1541 si_page
int unsigned
NOT NULL,
1543 -- Munged version of title
1544 si_title
varchar(255) NOT NULL default '',
1546 -- Munged version of body text
1547 si_text mediumtext
NOT NULL
1548 ) ENGINE
=MyISAM
DEFAULT CHARSET
=utf8
;
1550 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1551 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1552 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1556 -- Recognized interwiki link prefixes
1558 CREATE TABLE /*_*/interwiki (
1559 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1560 iw_prefix
varchar(32) NOT NULL PRIMARY KEY,
1562 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1563 -- Any spaces in the name will be transformed to underscores before
1565 iw_url
blob NOT NULL,
1567 -- The URL of the file api.php
1568 iw_api
blob NOT NULL,
1570 -- The name of the database (for a connection to be established with LBFactory::getMainLB( 'wikiid' ))
1571 iw_wikiid
varchar(64) NOT NULL,
1573 -- A boolean value indicating whether the wiki is in this project
1574 -- (used, for example, to detect redirect loops)
1575 iw_local bool
NOT NULL,
1577 -- Boolean value indicating whether interwiki transclusions are allowed.
1578 iw_trans tinyint
NOT NULL default 0
1579 ) /*$wgDBTableOptions*/;
1583 -- Used for caching expensive grouped queries
1585 CREATE TABLE /*_*/querycache (
1586 -- A key name, generally the base name of of the special page.
1587 qc_type
varbinary(32) NOT NULL,
1589 -- Some sort of stored value. Sizes, counts...
1590 qc_value
int unsigned
NOT NULL default 0,
1592 -- Target namespace+title
1593 qc_namespace
int NOT NULL default 0,
1594 qc_title
varchar(255) binary NOT NULL default ''
1595 ) /*$wgDBTableOptions*/;
1597 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1601 -- For a few generic cache operations if not using Memcached
1603 CREATE TABLE /*_*/objectcache (
1604 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1607 ) /*$wgDBTableOptions*/;
1608 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1611 CREATE TABLE /*_*/logging (
1612 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1613 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1615 -- Symbolic keys for the general log type and the action type
1616 -- within the log. The output format will be controlled by the
1617 -- action field, but only the type controls categorization.
1618 log_type
varbinary(32) NOT NULL default '',
1619 log_action
varbinary(32) NOT NULL default '',
1622 log_timestamp
binary(14) NOT NULL default '19700101000000',
1624 -- The user who performed this action; key to user_id
1625 log_user
int unsigned
NOT NULL default 0, -- Deprecated in favor of log_actor
1627 -- Name of the user who performed this action
1628 log_user_text
varchar(255) binary NOT NULL default '', -- Deprecated in favor of log_actor
1630 -- The actor who performed this action
1631 log_actor
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that log_user/log_user_text should be used)
1633 -- Key to the page affected. Where a user is the target,
1634 -- this will point to the user page.
1635 log_namespace
int NOT NULL default 0,
1636 log_title
varchar(255) binary NOT NULL default '',
1637 log_page
int unsigned
NULL,
1639 -- Freeform text. Interpreted as edit history comments.
1640 -- Deprecated in favor of log_comment_id.
1641 log_comment
varbinary(767) NOT NULL default '',
1643 -- Key to comment_id. Comment summarizing the change.
1644 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1645 log_comment_id
bigint unsigned
NOT NULL DEFAULT 0,
1647 -- miscellaneous parameters:
1648 -- LF separated list (old system) or serialized PHP array (new system)
1649 log_params
blob NOT NULL,
1651 -- rev_deleted for logs
1652 log_deleted tinyint unsigned
NOT NULL default 0
1653 ) /*$wgDBTableOptions*/;
1655 -- Special:Log type filter
1656 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1658 -- Special:Log performer filter
1659 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1660 CREATE INDEX /*i*/actor_time
ON /*_*/logging (log_actor
, log_timestamp
);
1662 -- Special:Log title filter, log extract
1663 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1665 -- Special:Log unfiltered
1666 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1668 -- Special:Log filter by performer and type
1669 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1670 CREATE INDEX /*i*/log_actor_type_time
ON /*_*/logging (log_actor
, log_type
, log_timestamp
);
1672 -- Apparently just used for a few maintenance pages (findMissingFiles.php, Flow).
1673 -- Could be removed?
1674 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1676 -- Special:Log action filter
1677 CREATE INDEX /*i*/log_type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1679 -- Special:Log filter by type and anonymous performer
1680 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1682 -- Special:Log filter by anonymous performer
1683 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1686 CREATE TABLE /*_*/log_search (
1687 -- The type of ID (rev ID, log ID, rev timestamp, username)
1688 ls_field
varbinary(32) NOT NULL,
1689 -- The value of the ID
1690 ls_value
varchar(255) NOT NULL,
1692 ls_log_id
int unsigned
NOT NULL default 0,
1693 PRIMARY KEY (ls_field
,ls_value
,ls_log_id
)
1694 ) /*$wgDBTableOptions*/;
1695 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1698 -- Jobs performed by parallel apache threads or a command-line daemon
1699 CREATE TABLE /*_*/job (
1700 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1703 -- Limited to 60 to prevent key length overflow
1704 job_cmd
varbinary(60) NOT NULL default '',
1706 -- Namespace and title to act on
1707 -- Should be 0 and '' if the command does not operate on a title
1708 job_namespace
int NOT NULL,
1709 job_title
varchar(255) binary NOT NULL,
1711 -- Timestamp of when the job was inserted
1712 -- NULL for jobs added before addition of the timestamp
1713 job_timestamp
varbinary(14) NULL default NULL,
1715 -- Any other parameters to the command
1716 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1717 job_params
blob NOT NULL,
1719 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1720 job_random
integer unsigned
NOT NULL default 0,
1722 -- The number of times this job has been locked
1723 job_attempts
integer unsigned
NOT NULL default 0,
1725 -- Field that conveys process locks on rows via process UUIDs
1726 job_token
varbinary(32) NOT NULL default '',
1728 -- Timestamp when the job was locked
1729 job_token_timestamp
varbinary(14) NULL default NULL,
1731 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1732 job_sha1
varbinary(32) NOT NULL default ''
1733 ) /*$wgDBTableOptions*/;
1735 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1736 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1737 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1738 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1739 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1742 -- Details of updates to cached special pages
1743 CREATE TABLE /*_*/querycache_info (
1744 -- Special page name
1745 -- Corresponds to a qc_type value
1746 qci_type
varbinary(32) NOT NULL default '' PRIMARY KEY,
1748 -- Timestamp of last update
1749 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1750 ) /*$wgDBTableOptions*/;
1753 -- For each redirect, this table contains exactly one row defining its target
1754 CREATE TABLE /*_*/redirect (
1755 -- Key to the page_id of the redirect page
1756 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1758 -- Key to page_namespace/page_title of the target page.
1759 -- The target page may or may not exist, and due to renames
1760 -- and deletions may refer to different page records as time
1762 rd_namespace
int NOT NULL default 0,
1763 rd_title
varchar(255) binary NOT NULL default '',
1764 rd_interwiki
varchar(32) default NULL,
1765 rd_fragment
varchar(255) binary default NULL
1766 ) /*$wgDBTableOptions*/;
1768 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1771 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1772 CREATE TABLE /*_*/querycachetwo (
1773 -- A key name, generally the base name of of the special page.
1774 qcc_type
varbinary(32) NOT NULL,
1776 -- Some sort of stored value. Sizes, counts...
1777 qcc_value
int unsigned
NOT NULL default 0,
1779 -- Target namespace+title
1780 qcc_namespace
int NOT NULL default 0,
1781 qcc_title
varchar(255) binary NOT NULL default '',
1783 -- Target namespace+title2
1784 qcc_namespacetwo
int NOT NULL default 0,
1785 qcc_titletwo
varchar(255) binary NOT NULL default ''
1786 ) /*$wgDBTableOptions*/;
1788 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1789 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1790 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1793 -- Used for storing page restrictions (i.e. protection levels)
1794 CREATE TABLE /*_*/page_restrictions (
1795 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1796 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1797 -- Page to apply restrictions to (Foreign Key to page).
1798 pr_page
int NOT NULL,
1799 -- The protection type (edit, move, etc)
1800 pr_type
varbinary(60) NOT NULL,
1801 -- The protection level (Sysop, autoconfirmed, etc)
1802 pr_level
varbinary(60) NOT NULL,
1803 -- Whether or not to cascade the protection down to pages transcluded.
1804 pr_cascade tinyint
NOT NULL,
1805 -- Field for future support of per-user restriction.
1806 pr_user
int unsigned
NULL,
1807 -- Field for time-limited protection.
1808 pr_expiry
varbinary(14) NULL
1809 ) /*$wgDBTableOptions*/;
1811 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1812 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1813 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1814 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1817 -- Protected titles - nonexistent pages that have been protected
1818 CREATE TABLE /*_*/protected_titles (
1819 pt_namespace
int NOT NULL,
1820 pt_title
varchar(255) binary NOT NULL,
1821 pt_user
int unsigned
NOT NULL,
1822 pt_reason
varbinary(767) default '', -- Deprecated.
1823 pt_reason_id
bigint unsigned
NOT NULL DEFAULT 0, -- ("DEFAULT 0" is temporary, signaling that pt_reason should be used)
1824 pt_timestamp
binary(14) NOT NULL,
1825 pt_expiry
varbinary(14) NOT NULL default '',
1826 pt_create_perm
varbinary(60) NOT NULL,
1828 PRIMARY KEY (pt_namespace
,pt_title
)
1829 ) /*$wgDBTableOptions*/;
1831 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1834 -- Name/value pairs indexed by page_id
1835 CREATE TABLE /*_*/page_props (
1836 pp_page
int NOT NULL,
1837 pp_propname
varbinary(60) NOT NULL,
1838 pp_value
blob NOT NULL,
1839 pp_sortkey
float DEFAULT NULL,
1841 PRIMARY KEY (pp_page
,pp_propname
)
1842 ) /*$wgDBTableOptions*/;
1844 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1845 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1847 -- A table to log updates, one text key row per update.
1848 CREATE TABLE /*_*/updatelog (
1849 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1851 ) /*$wgDBTableOptions*/;
1854 -- A table to track tags for revisions, logs and recent changes.
1855 CREATE TABLE /*_*/change_tag (
1856 ct_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1857 -- RCID for the change
1859 -- LOGID for the change
1860 ct_log_id
int unsigned
NULL,
1861 -- REVID for the change
1862 ct_rev_id
int unsigned
NULL,
1863 -- Tag applied, this will go away and be replaced with ct_tag_id
1864 ct_tag
varchar(255) NOT NULL default '',
1865 -- Parameters for the tag; used by some extensions
1866 ct_params
blob NULL,
1867 -- Foreign key to change_tag_def row, this will be "NOT NULL" once populated
1868 ct_tag_id
int unsigned
NULL
1869 ) /*$wgDBTableOptions*/;
1871 CREATE INDEX /*i*/change_tag_rc_tag_nonuniq
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1872 CREATE INDEX /*i*/change_tag_log_tag_nonuniq
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1873 CREATE INDEX /*i*/change_tag_rev_tag_nonuniq
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1875 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag_id
ON /*_*/change_tag (ct_rc_id
,ct_tag_id
);
1876 CREATE UNIQUE INDEX /*i*/change_tag_log_tag_id
ON /*_*/change_tag (ct_log_id
,ct_tag_id
);
1877 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag_id
ON /*_*/change_tag (ct_rev_id
,ct_tag_id
);
1878 -- Covering index, so we can pull all the info only out of the index.
1879 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1880 CREATE INDEX /*i*/change_tag_tag_id_id
ON /*_*/change_tag (ct_tag_id
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1882 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1883 -- that only works on MySQL 4.1+
1884 CREATE TABLE /*_*/tag_summary (
1885 ts_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1886 -- RCID for the change
1888 -- LOGID for the change
1889 ts_log_id
int unsigned
NULL,
1890 -- REVID for the change
1891 ts_rev_id
int unsigned
NULL,
1892 -- Comma-separated list of tags
1893 ts_tags
blob NOT NULL
1894 ) /*$wgDBTableOptions*/;
1896 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1897 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1898 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1901 CREATE TABLE /*_*/valid_tag (
1902 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1903 ) /*$wgDBTableOptions*/;
1905 -- Table for storing localisation data
1906 CREATE TABLE /*_*/l10n_cache (
1908 lc_lang
varbinary(32) NOT NULL,
1910 lc_key
varchar(255) NOT NULL,
1912 lc_value mediumblob
NOT NULL,
1913 PRIMARY KEY (lc_lang
, lc_key
)
1914 ) /*$wgDBTableOptions*/;
1916 -- Table caching which local files a module depends on that aren't
1917 -- registered directly, used for fast retrieval of file dependency.
1918 -- Currently only used for tracking images that CSS depends on
1919 CREATE TABLE /*_*/module_deps (
1921 md_module
varbinary(255) NOT NULL,
1922 -- Module context vary (includes skin and language; called "md_skin" for legacy reasons)
1923 md_skin
varbinary(32) NOT NULL,
1924 -- JSON blob with file dependencies
1925 md_deps mediumblob
NOT NULL,
1926 PRIMARY KEY (md_module
,md_skin
)
1927 ) /*$wgDBTableOptions*/;
1929 -- Holds all the sites known to the wiki.
1930 CREATE TABLE /*_*/sites (
1931 -- Numeric id of the site
1932 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1934 -- Global identifier for the site, ie 'enwiktionary'
1935 site_global_key
varbinary(32) NOT NULL,
1937 -- Type of the site, ie 'mediawiki'
1938 site_type
varbinary(32) NOT NULL,
1940 -- Group of the site, ie 'wikipedia'
1941 site_group
varbinary(32) NOT NULL,
1943 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1944 site_source
varbinary(32) NOT NULL,
1946 -- Language code of the sites primary language.
1947 site_language
varbinary(32) NOT NULL,
1949 -- Protocol of the site, ie 'http://', 'irc://', '//'
1950 -- This field is an index for lookups and is build from type specific data in site_data.
1951 site_protocol
varbinary(32) NOT NULL,
1953 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1954 -- This field is an index for lookups and is build from type specific data in site_data.
1955 site_domain
VARCHAR(255) NOT NULL,
1957 -- Type dependent site data.
1958 site_data
BLOB NOT NULL,
1960 -- If site.tld/path/key:pageTitle should forward users to the page on
1961 -- the actual site, where "key" is the local identifier.
1962 site_forward bool
NOT NULL,
1964 -- Type dependent site config.
1965 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1966 site_config
BLOB NOT NULL
1967 ) /*$wgDBTableOptions*/;
1969 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1970 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1971 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1972 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1973 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1974 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1975 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1976 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1978 -- Links local site identifiers to their corresponding site.
1979 CREATE TABLE /*_*/site_identifiers (
1980 -- Key on site.site_id
1981 si_site
INT UNSIGNED
NOT NULL,
1983 -- local key type, ie 'interwiki' or 'langlink'
1984 si_type
varbinary(32) NOT NULL,
1986 -- local key value, ie 'en' or 'wiktionary'
1987 si_key
varbinary(32) NOT NULL,
1989 PRIMARY KEY (si_type
, si_key
)
1990 ) /*$wgDBTableOptions*/;
1992 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1993 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1995 -- Table defining tag names for IDs. Also stores hit counts to avoid expensive queries on change_tag
1996 CREATE TABLE /*_*/change_tag_def (
1997 -- Numerical ID of the tag (ct_tag_id refers to this)
1998 ctd_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1999 -- Symbolic name of the tag (what would previously be put in ct_tag)
2000 ctd_name
varbinary(255) NOT NULL,
2001 -- Whether this tag was defined manually by a privileged user using Special:Tags
2002 ctd_user_defined
tinyint(1) NOT NULL,
2003 -- Number of times this tag was used
2004 ctd_count
bigint unsigned
NOT NULL default 0
2005 ) /*$wgDBTableOptions*/;
2007 CREATE UNIQUE INDEX /*i*/ctd_name
ON /*_*/change_tag_def (ctd_name
);
2008 CREATE INDEX /*i*/ctd_count
ON /*_*/change_tag_def (ctd_count
);
2009 CREATE INDEX /*i*/ctd_user_defined
ON /*_*/change_tag_def (ctd_user_defined
);
2011 -- vim: sw=2 sts=2 et