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 -- User permissions have been broken out to a separate table;
145 -- this allows sites with a shared user table to have different
146 -- permissions assigned to a user in each project.
148 -- This table replaces the old user_rights field which used a
149 -- comma-separated blob.
151 CREATE TABLE /*_*/user_groups (
153 ug_user
int unsigned
NOT NULL default 0,
155 -- Group names are short symbolic string keys.
156 -- The set of group names is open-ended, though in practice
157 -- only some predefined ones are likely to be used.
159 -- At runtime $wgGroupPermissions will associate group keys
160 -- with particular permissions. A user will have the combined
161 -- permissions of any group they're explicitly in, plus
162 -- the implicit '*' and 'user' groups.
163 ug_group
varbinary(255) NOT NULL default '',
165 -- Time at which the user group membership will expire. Set to
166 -- NULL for a non-expiring (infinite) membership.
167 ug_expiry
varbinary(14) NULL default NULL,
169 PRIMARY KEY (ug_user
, ug_group
)
170 ) /*$wgDBTableOptions*/;
172 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
173 CREATE INDEX /*i*/ug_expiry
ON /*_*/user_groups (ug_expiry
);
175 -- Stores the groups the user has once belonged to.
176 -- The user may still belong to these groups (check user_groups).
177 -- Users are not autopromoted to groups from which they were removed.
178 CREATE TABLE /*_*/user_former_groups (
180 ufg_user
int unsigned
NOT NULL default 0,
181 ufg_group
varbinary(255) NOT NULL default ''
182 ) /*$wgDBTableOptions*/;
184 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
187 -- Stores notifications of user talk page changes, for the display
188 -- of the "you have new messages" box
190 CREATE TABLE /*_*/user_newtalk (
191 -- Key to user.user_id
192 user_id
int unsigned
NOT NULL default 0,
193 -- If the user is an anonymous user their IP address is stored here
194 -- since the user_id of 0 is ambiguous
195 user_ip
varbinary(40) NOT NULL default '',
196 -- The highest timestamp of revisions of the talk page viewed
198 user_last_timestamp
varbinary(14) NULL default NULL
199 ) /*$wgDBTableOptions*/;
201 -- Indexes renamed for SQLite in 1.14
202 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
203 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
207 -- User preferences and perhaps other fun stuff. :)
208 -- Replaces the old user.user_options blob, with a couple nice properties:
210 -- 1) We only store non-default settings, so changes to the defauls
211 -- are now reflected for everybody, not just new accounts.
212 -- 2) We can more easily do bulk lookups, statistics, or modifications of
213 -- saved options since it's a sane table structure.
215 CREATE TABLE /*_*/user_properties (
216 -- Foreign key to user.user_id
217 up_user
int NOT NULL,
219 -- Name of the option being saved. This is indexed for bulk lookup.
220 up_property
varbinary(255) NOT NULL,
222 -- Property value as a string.
224 ) /*$wgDBTableOptions*/;
226 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
227 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
230 -- This table contains a user's bot passwords: passwords that allow access to
231 -- the account via the API with limited rights.
233 CREATE TABLE /*_*/bot_passwords (
234 -- User ID obtained from CentralIdLookup.
235 bp_user
int NOT NULL,
237 -- Application identifier
238 bp_app_id
varbinary(32) NOT NULL,
240 -- Password hashes, like user.user_password
241 bp_password tinyblob
NOT NULL,
243 -- Like user.user_token
244 bp_token
binary(32) NOT NULL default '',
246 -- JSON blob for MWRestrictions
247 bp_restrictions
blob NOT NULL,
249 -- Grants allowed to the account when authenticated with this bot-password
250 bp_grants
blob NOT NULL,
252 PRIMARY KEY ( bp_user
, bp_app_id
)
253 ) /*$wgDBTableOptions*/;
256 -- Core of the wiki: each page has an entry here which identifies
257 -- it by title and contains some essential metadata.
259 CREATE TABLE /*_*/page (
260 -- Unique identifier number. The page_id will be preserved across
261 -- edits and rename operations, but not deletions and recreations.
262 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
264 -- A page name is broken into a namespace and a title.
265 -- The namespace keys are UI-language-independent constants,
266 -- defined in includes/Defines.php
267 page_namespace
int NOT NULL,
269 -- The rest of the title, as text.
270 -- Spaces are transformed into underscores in title storage.
271 page_title
varchar(255) binary NOT NULL,
273 -- Comma-separated set of permission keys indicating who
274 -- can move or edit the page.
275 page_restrictions tinyblob
NOT NULL,
277 -- 1 indicates the article is a redirect.
278 page_is_redirect tinyint unsigned
NOT NULL default 0,
280 -- 1 indicates this is a new entry, with only one edit.
281 -- Not all pages with one edit are new pages.
282 page_is_new tinyint unsigned
NOT NULL default 0,
284 -- Random value between 0 and 1, used for Special:Randompage
285 page_random
real unsigned
NOT NULL,
287 -- This timestamp is updated whenever the page changes in
288 -- a way requiring it to be re-rendered, invalidating caches.
289 -- Aside from editing this includes permission changes,
290 -- creation or deletion of linked pages, and alteration
291 -- of contained templates.
292 page_touched
binary(14) NOT NULL default '',
294 -- This timestamp is updated whenever a page is re-parsed and
295 -- it has all the link tracking tables updated for it. This is
296 -- useful for de-duplicating expensive backlink update jobs.
297 page_links_updated
varbinary(14) NULL default NULL,
299 -- Handy key to revision.rev_id of the current revision.
300 -- This may be 0 during page creation, but that shouldn't
301 -- happen outside of a transaction... hopefully.
302 page_latest
int unsigned
NOT NULL,
304 -- Uncompressed length in bytes of the page's current source text.
305 page_len
int unsigned
NOT NULL,
307 -- content model, see CONTENT_MODEL_XXX constants
308 page_content_model
varbinary(32) DEFAULT NULL,
310 -- Page content language
311 page_lang
varbinary(35) DEFAULT NULL
312 ) /*$wgDBTableOptions*/;
314 -- The title index. Care must be taken to always specify a namespace when
315 -- by title, so that the index is used. Even listing all known namespaces
316 -- with IN() is better than omitting page_namespace from the WHERE clause.
317 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
319 -- The index for Special:Random
320 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
322 -- Questionable utility, used by ProofreadPage, possibly DynamicPageList.
323 -- ApiQueryAllPages unconditionally filters on namespace and so hopefully does
325 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
327 -- The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles()
328 -- in 'comma' counting mode, MessageCache::loadFromDB().
329 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
332 -- Every edit of a page creates also a revision row.
333 -- This stores metadata about the revision, and a reference
334 -- to the text storage backend.
336 CREATE TABLE /*_*/revision (
337 -- Unique ID to identify each revision
338 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
340 -- Key to page_id. This should _never_ be invalid.
341 rev_page
int unsigned
NOT NULL,
343 -- Key to text.old_id, where the actual bulk text is stored.
344 -- It's possible for multiple revisions to use the same text,
345 -- for instance revisions where only metadata is altered
346 -- or a rollback to a previous version.
347 rev_text_id
int unsigned
NOT NULL,
349 -- Text comment summarizing the change.
350 -- This text is shown in the history and other changes lists,
351 -- rendered in a subset of wiki markup by Linker::formatComment()
352 rev_comment
varbinary(767) NOT NULL,
354 -- Key to user.user_id of the user who made this edit.
355 -- Stores 0 for anonymous edits and for some mass imports.
356 rev_user
int unsigned
NOT NULL default 0,
358 -- Text username or IP address of the editor.
359 rev_user_text
varchar(255) binary NOT NULL default '',
361 -- Timestamp of when revision was created
362 rev_timestamp
binary(14) NOT NULL default '',
364 -- Records whether the user marked the 'minor edit' checkbox.
365 -- Many automated edits are marked as minor.
366 rev_minor_edit tinyint unsigned
NOT NULL default 0,
368 -- Restrictions on who can access this revision
369 rev_deleted tinyint unsigned
NOT NULL default 0,
371 -- Length of this revision in bytes
372 rev_len
int unsigned
,
374 -- Key to revision.rev_id
375 -- This field is used to add support for a tree structure (The Adjacency List Model)
376 rev_parent_id
int unsigned
default NULL,
378 -- SHA-1 text content hash in base-36
379 rev_sha1
varbinary(32) NOT NULL default '',
381 -- content model, see CONTENT_MODEL_XXX constants
382 rev_content_model
varbinary(32) DEFAULT NULL,
384 -- content format, see CONTENT_FORMAT_XXX constants
385 rev_content_format
varbinary(64) DEFAULT NULL
387 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
388 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
390 -- The index is proposed for removal, do not use it in new code: T163532.
391 -- Used for ordering revisions within a page by rev_id, which is usually
392 -- incorrect, since rev_timestamp is normally the correct order. It can also
393 -- be used by dumpBackup.php, if a page and rev_id range is specified.
394 CREATE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
396 -- Used by ApiQueryAllRevisions
397 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
400 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
402 -- Logged-in user contributions index
403 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
405 -- Anonymous user countributions index
406 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
408 -- Credits index. This is scanned in order to compile credits lists for pages,
409 -- in ApiQueryContributors. Also for ApiQueryRevisions if rvuser is specified
410 -- and is a logged-in user.
411 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
414 -- Holds text of individual page revisions.
416 -- Field names are a holdover from the 'old' revisions table in
417 -- MediaWiki 1.4 and earlier: an upgrade will transform that
418 -- table into the 'text' table to minimize unnecessary churning
419 -- and downtime. If upgrading, the other fields will be left unused.
421 CREATE TABLE /*_*/text (
422 -- Unique text storage key number.
423 -- Note that the 'oldid' parameter used in URLs does *not*
424 -- refer to this number anymore, but to rev_id.
426 -- revision.rev_text_id is a key to this column
427 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
429 -- Depending on the contents of the old_flags field, the text
430 -- may be convenient plain text, or it may be funkily encoded.
431 old_text mediumblob
NOT NULL,
433 -- Comma-separated list of flags:
434 -- gzip: text is compressed with PHP's gzdeflate() function.
435 -- utf-8: text was stored as UTF-8.
436 -- If $wgLegacyEncoding option is on, rows *without* this flag
437 -- will be converted to UTF-8 transparently at load time. Note
438 -- that due to a bug in a maintenance script, this flag may
439 -- have been stored as 'utf8' in some cases (T18841).
440 -- object: text field contained a serialized PHP object.
441 -- The object either contains multiple versions compressed
442 -- together to achieve a better compression ratio, or it refers
443 -- to another row where the text can be found.
444 -- external: text was stored in an external location specified by old_text.
445 -- Any additional flags apply to the data stored at that URL, not
446 -- the URL itself. The 'object' flag is *not* set for URLs of the
447 -- form 'DB://cluster/id/itemid', because the external storage
448 -- system itself decompresses these.
449 old_flags tinyblob
NOT NULL
450 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
451 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
455 -- Holding area for deleted articles, which may be viewed
456 -- or restored by admins through the Special:Undelete interface.
457 -- The fields generally correspond to the page, revision, and text
458 -- fields, with several caveats.
460 CREATE TABLE /*_*/archive (
462 ar_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
463 ar_namespace
int NOT NULL default 0,
464 ar_title
varchar(255) binary NOT NULL default '',
466 -- Newly deleted pages will not store text in this table,
467 -- but will reference the separately existing text rows.
468 -- This field is retained for backwards compatibility,
469 -- so old archived pages will remain accessible after
470 -- upgrading from 1.4 to 1.5.
471 -- Text may be gzipped or otherwise funky.
472 ar_text mediumblob
NOT NULL,
474 -- Basic revision stuff...
475 ar_comment
varbinary(767) NOT NULL,
476 ar_user
int unsigned
NOT NULL default 0,
477 ar_user_text
varchar(255) binary NOT NULL,
478 ar_timestamp
binary(14) NOT NULL default '',
479 ar_minor_edit tinyint
NOT NULL default 0,
482 ar_flags tinyblob
NOT NULL,
484 -- When revisions are deleted, their unique rev_id is stored
485 -- here so it can be retained after undeletion. This is necessary
486 -- to retain permalinks to given revisions after accidental delete
487 -- cycles or messy operations like history merges.
489 -- Old entries from 1.4 will be NULL here, and a new rev_id will
490 -- be created on undeletion for those revisions.
491 ar_rev_id
int unsigned
,
493 -- For newly deleted revisions, this is the text.old_id key to the
494 -- actual stored text. To avoid breaking the block-compression scheme
495 -- and otherwise making storage changes harder, the actual text is
496 -- *not* deleted from the text table, merely hidden by removal of the
497 -- page and revision entries.
499 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
500 -- ar_text and ar_flags fields will be used to create a new text
501 -- row upon undeletion.
502 ar_text_id
int unsigned
,
504 -- rev_deleted for archives
505 ar_deleted tinyint unsigned
NOT NULL default 0,
507 -- Length of this revision in bytes
510 -- Reference to page_id. Useful for sysadmin fixing of large pages
511 -- merged together in the archives, or for cleanly restoring a page
512 -- at its original ID number if possible.
514 -- Will be NULL for pages deleted prior to 1.11.
515 ar_page_id
int unsigned
,
517 -- Original previous revision
518 ar_parent_id
int unsigned
default NULL,
520 -- SHA-1 text content hash in base-36
521 ar_sha1
varbinary(32) NOT NULL default '',
523 -- content model, see CONTENT_MODEL_XXX constants
524 ar_content_model
varbinary(32) DEFAULT NULL,
526 -- content format, see CONTENT_FORMAT_XXX constants
527 ar_content_format
varbinary(64) DEFAULT NULL
528 ) /*$wgDBTableOptions*/;
530 -- Index for Special:Undelete to page through deleted revisions
531 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
533 -- Index for Special:DeletedContributions
534 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
536 -- Index for linking archive rows with tables that normally link with revision
537 -- rows, such as change_tag.
538 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
542 -- Track page-to-page hyperlinks within the wiki.
544 CREATE TABLE /*_*/pagelinks (
545 -- Key to the page_id of the page containing the link.
546 pl_from
int unsigned
NOT NULL default 0,
547 -- Namespace for this page
548 pl_from_namespace
int NOT NULL default 0,
550 -- Key to page_namespace/page_title of the target page.
551 -- The target page may or may not exist, and due to renames
552 -- and deletions may refer to different page records as time
554 pl_namespace
int NOT NULL default 0,
555 pl_title
varchar(255) binary NOT NULL default ''
556 ) /*$wgDBTableOptions*/;
558 -- Forward index, for page edit, save
559 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
561 -- Reverse index, for Special:Whatlinkshere
562 CREATE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
564 -- Index for Special:Whatlinkshere with namespace filter
565 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
569 -- Track template inclusions.
571 CREATE TABLE /*_*/templatelinks (
572 -- Key to the page_id of the page containing the link.
573 tl_from
int unsigned
NOT NULL default 0,
574 -- Namespace for this page
575 tl_from_namespace
int NOT NULL default 0,
577 -- Key to page_namespace/page_title of the target page.
578 -- The target page may or may not exist, and due to renames
579 -- and deletions may refer to different page records as time
581 tl_namespace
int NOT NULL default 0,
582 tl_title
varchar(255) binary NOT NULL default ''
583 ) /*$wgDBTableOptions*/;
585 -- Forward index, for page edit, save
586 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
588 -- Reverse index, for Special:Whatlinkshere
589 CREATE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
591 -- Index for Special:Whatlinkshere with namespace filter
592 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
596 -- Track links to images *used inline*
597 -- We don't distinguish live from broken links here, so
598 -- they do not need to be changed on upload/removal.
600 CREATE TABLE /*_*/imagelinks (
601 -- Key to page_id of the page containing the image / media link.
602 il_from
int unsigned
NOT NULL default 0,
603 -- Namespace for this page
604 il_from_namespace
int NOT NULL default 0,
606 -- Filename of target image.
607 -- This is also the page_title of the file's description page;
608 -- all such pages are in namespace 6 (NS_FILE).
609 il_to
varchar(255) binary NOT NULL default ''
610 ) /*$wgDBTableOptions*/;
612 -- Forward index, for cache invalidation on file update, etc.
613 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
615 -- Reverse index, for Special:Whatlinkshere and file description page local usage
616 CREATE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
618 -- Index for Special:Whatlinkshere with namespace filter
619 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
623 -- Track category inclusions *used inline*
624 -- This tracks a single level of category membership
626 CREATE TABLE /*_*/categorylinks (
627 -- Key to page_id of the page defined as a category member.
628 cl_from
int unsigned
NOT NULL default 0,
630 -- Name of the category.
631 -- This is also the page_title of the category's description page;
632 -- all such pages are in namespace 14 (NS_CATEGORY).
633 cl_to
varchar(255) binary NOT NULL default '',
635 -- A binary string obtained by applying a sortkey generation algorithm
636 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
637 -- . page_title if cl_sortkey_prefix is nonempty.
638 cl_sortkey
varbinary(230) NOT NULL default '',
640 -- A prefix for the raw sortkey manually specified by the user, either via
641 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
642 -- concatenated with a line break followed by the page title before the sortkey
643 -- conversion algorithm is run. We store this so that we can update
644 -- collations without reparsing all pages.
645 -- Note: If you change the length of this field, you also need to change
646 -- code in LinksUpdate.php. See T27254.
647 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
649 -- This isn't really used at present. Provided for an optional
650 -- sorting method by approximate addition time.
651 cl_timestamp
timestamp NOT NULL,
653 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
654 -- can be used to install new collation versions, tracking which rows are not
655 -- yet updated. '' means no collation, this is a legacy row that needs to be
656 -- updated by updateCollation.php. In the future, it might be possible to
657 -- specify different collations per category.
658 cl_collation
varbinary(32) NOT NULL default '',
660 -- Stores whether cl_from is a category, file, or other page, so we can
661 -- paginate the three categories separately. This never has to be updated
662 -- after the page is created, since none of these page types can be moved to
664 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
665 ) /*$wgDBTableOptions*/;
667 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
669 -- We always sort within a given category, and within a given type. FIXME:
670 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
671 -- callers won't be using an index: fix this?
672 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
674 -- Used by the API (and some extensions)
675 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
677 -- Used when updating collation (e.g. updateCollation.php)
678 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
681 -- Track all existing categories. Something is a category if 1) it has an entry
682 -- somewhere in categorylinks, or 2) it has a description page. Categories
683 -- might not have corresponding pages, so they need to be tracked separately.
685 CREATE TABLE /*_*/category (
687 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
689 -- Name of the category, in the same form as page_title (with underscores).
690 -- If there is a category page corresponding to this category, by definition,
691 -- it has this name (in the Category namespace).
692 cat_title
varchar(255) binary NOT NULL,
694 -- The numbers of member pages (including categories and media), subcatego-
695 -- ries, and Image: namespace members, respectively. These are signed to
696 -- make underflow more obvious. We make the first number include the second
697 -- two for better sorting: subtracting for display is easy, adding for order-
699 cat_pages
int signed
NOT NULL default 0,
700 cat_subcats
int signed
NOT NULL default 0,
701 cat_files
int signed
NOT NULL default 0
702 ) /*$wgDBTableOptions*/;
704 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
706 -- For Special:Mostlinkedcategories
707 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
711 -- Track links to external URLs
713 CREATE TABLE /*_*/externallinks (
715 el_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
717 -- page_id of the referring page
718 el_from
int unsigned
NOT NULL default 0,
723 -- In the case of HTTP URLs, this is the URL with any username or password
724 -- removed, and with the labels in the hostname reversed and converted to
725 -- lower case. An extra dot is added to allow for matching of either
726 -- example.com or *.example.com in a single scan.
728 -- http://user:password@sub.example.com/page.html
730 -- http://com.example.sub./page.html
731 -- which allows for fast searching for all pages under example.com with the
733 -- WHERE el_index LIKE 'http://com.example.%'
734 el_index
blob NOT NULL,
736 -- This is el_index truncated to 60 bytes to allow for sortable queries that
737 -- aren't supported by a partial index.
738 -- @todo Drop the default once this is deployed everywhere and code is populating it.
739 el_index_60
varbinary(60) NOT NULL default ''
740 ) /*$wgDBTableOptions*/;
742 -- Forward index, for page edit, save
743 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
745 -- Index for Special:LinkSearch exact search
746 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
748 -- For Special:LinkSearch wildcard search
749 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
751 -- For Special:LinkSearch wildcard search with efficient paging by el_id
752 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
753 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
756 -- Track interlanguage links
758 CREATE TABLE /*_*/langlinks (
759 -- page_id of the referring page
760 ll_from
int unsigned
NOT NULL default 0,
762 -- Language code of the target
763 ll_lang
varbinary(20) NOT NULL default '',
765 -- Title of the target, including namespace
766 ll_title
varchar(255) binary NOT NULL default ''
767 ) /*$wgDBTableOptions*/;
769 -- Forward index, for page edit, save, ApiQueryLanglinks
770 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
772 -- Index for ApiQueryLangbacklinks
773 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
777 -- Track inline interwiki links
779 CREATE TABLE /*_*/iwlinks (
780 -- page_id of the referring page
781 iwl_from
int unsigned
NOT NULL default 0,
783 -- Interwiki prefix code of the target
784 iwl_prefix
varbinary(20) NOT NULL default '',
786 -- Title of the target, including namespace
787 iwl_title
varchar(255) binary NOT NULL default ''
788 ) /*$wgDBTableOptions*/;
790 -- Forward index, for page edit, save, ApiQueryIWLinks
791 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
793 -- Index for ApiQueryIWBacklinks
794 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
796 -- Index for ApiQueryIWLinks
797 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
801 -- Contains a single row with some aggregate info
802 -- on the state of the site.
804 CREATE TABLE /*_*/site_stats (
805 -- The single row should contain 1 here.
806 ss_row_id
int unsigned
NOT NULL,
808 -- Total number of edits performed.
809 ss_total_edits
bigint unsigned
default 0,
811 -- An approximate count of pages matching the following criteria:
814 -- * contains the text '[['
815 -- See Article::isCountable() in includes/Article.php
816 ss_good_articles
bigint unsigned
default 0,
818 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
819 ss_total_pages
bigint default '-1',
821 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
822 ss_users
bigint default '-1',
824 -- Number of users that still edit
825 ss_active_users
bigint default '-1',
827 -- Number of images, equivalent to SELECT COUNT(*) FROM image
828 ss_images
int default 0
829 ) /*$wgDBTableOptions*/;
831 -- Pointless index to assuage developer superstitions
832 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
835 -- The internet is full of jerks, alas. Sometimes it's handy
836 -- to block a vandal or troll account.
838 CREATE TABLE /*_*/ipblocks (
839 -- Primary key, introduced for privacy.
840 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
842 -- Blocked IP address in dotted-quad form or user name.
843 ipb_address tinyblob
NOT NULL,
845 -- Blocked user ID or 0 for IP blocks.
846 ipb_user
int unsigned
NOT NULL default 0,
848 -- User ID who made the block.
849 ipb_by
int unsigned
NOT NULL default 0,
851 -- User name of blocker
852 ipb_by_text
varchar(255) binary NOT NULL default '',
854 -- Text comment made by blocker.
855 ipb_reason
varbinary(767) NOT NULL,
857 -- Creation (or refresh) date in standard YMDHMS form.
858 -- IP blocks expire automatically.
859 ipb_timestamp
binary(14) NOT NULL default '',
861 -- Indicates that the IP address was banned because a banned
862 -- user accessed a page through it. If this is 1, ipb_address
863 -- will be hidden, and the block identified by block ID number.
864 ipb_auto bool
NOT NULL default 0,
866 -- If set to 1, block applies only to logged-out users
867 ipb_anon_only bool
NOT NULL default 0,
869 -- Block prevents account creation from matching IP addresses
870 ipb_create_account bool
NOT NULL default 1,
872 -- Block triggers autoblocks
873 ipb_enable_autoblock bool
NOT NULL default '1',
875 -- Time at which the block will expire.
877 ipb_expiry
varbinary(14) NOT NULL default '',
879 -- Start and end of an address range, in hexadecimal
880 -- Size chosen to allow IPv6
881 -- FIXME: these fields were originally blank for single-IP blocks,
882 -- but now they are populated. No migration was ever done. They
883 -- should be fixed to be blank again for such blocks (T51504).
884 ipb_range_start tinyblob
NOT NULL,
885 ipb_range_end tinyblob
NOT NULL,
887 -- Flag for entries hidden from users and Sysops
888 ipb_deleted bool
NOT NULL default 0,
890 -- Block prevents user from accessing Special:Emailuser
891 ipb_block_email bool
NOT NULL default 0,
893 -- Block allows user to edit their own talk page
894 ipb_allow_usertalk bool
NOT NULL default 0,
896 -- ID of the block that caused this block to exist
897 -- Autoblocks set this to the original block
898 -- so that the original block being deleted also
899 -- deletes the autoblocks
900 ipb_parent_block_id
int default NULL
902 ) /*$wgDBTableOptions*/;
904 -- Unique index to support "user already blocked" messages
905 -- Any new options which prevent collisions should be included
906 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
908 -- For querying whether a logged-in user is blocked
909 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
911 -- For querying whether an IP address is in any range
912 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
914 -- Index for Special:BlockList
915 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
917 -- Index for table pruning
918 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
920 -- Index for removing autoblocks when a parent block is removed
921 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
925 -- Uploaded images and other files.
927 CREATE TABLE /*_*/image (
929 -- This is also the title of the associated description page,
930 -- which will be in namespace 6 (NS_FILE).
931 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
933 -- File size in bytes.
934 img_size
int unsigned
NOT NULL default 0,
936 -- For images, size in pixels.
937 img_width
int NOT NULL default 0,
938 img_height
int NOT NULL default 0,
940 -- Extracted Exif metadata stored as a serialized PHP array.
941 img_metadata mediumblob
NOT NULL,
943 -- For images, bits per pixel if known.
944 img_bits
int NOT NULL default 0,
946 -- Media type as defined by the MEDIATYPE_xxx constants
947 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
949 -- major part of a MIME media type as defined by IANA
950 -- see https://www.iana.org/assignments/media-types/
951 -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS
952 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
954 -- minor part of a MIME media type as defined by IANA
955 -- the minor parts are not required to adher to any standard
956 -- but should be consistent throughout the database
957 -- see https://www.iana.org/assignments/media-types/
958 img_minor_mime
varbinary(100) NOT NULL default "unknown",
960 -- Description field as entered by the uploader.
961 -- This is displayed in image upload history and logs.
962 img_description
varbinary(767) NOT NULL,
964 -- user_id and user_name of uploader.
965 img_user
int unsigned
NOT NULL default 0,
966 img_user_text
varchar(255) binary NOT NULL,
968 -- Time of the upload.
969 img_timestamp
varbinary(14) NOT NULL default '',
971 -- SHA-1 content hash in base-36
972 img_sha1
varbinary(32) NOT NULL default ''
973 ) /*$wgDBTableOptions*/;
975 -- Used by Special:Newimages and ApiQueryAllImages
976 CREATE INDEX /*i*/img_user_timestamp
ON /*_*/image (img_user
,img_timestamp
);
977 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
978 -- Used by Special:ListFiles for sort-by-size
979 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
980 -- Used by Special:Newimages and Special:ListFiles
981 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
982 -- Used in API and duplicate search
983 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
984 -- Used to get media of one type
985 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
989 -- Previous revisions of uploaded files.
990 -- Awkwardly, image rows have to be moved into
991 -- this table at re-upload time.
993 CREATE TABLE /*_*/oldimage (
994 -- Base filename: key to image.img_name
995 oi_name
varchar(255) binary NOT NULL default '',
997 -- Filename of the archived file.
998 -- This is generally a timestamp and '!' prepended to the base name.
999 oi_archive_name
varchar(255) binary NOT NULL default '',
1001 -- Other fields as in image...
1002 oi_size
int unsigned
NOT NULL default 0,
1003 oi_width
int NOT NULL default 0,
1004 oi_height
int NOT NULL default 0,
1005 oi_bits
int NOT NULL default 0,
1006 oi_description
varbinary(767) NOT NULL,
1007 oi_user
int unsigned
NOT NULL default 0,
1008 oi_user_text
varchar(255) binary NOT NULL,
1009 oi_timestamp
binary(14) NOT NULL default '',
1011 oi_metadata mediumblob
NOT NULL,
1012 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
1013 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
1014 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
1015 oi_deleted tinyint unsigned
NOT NULL default 0,
1016 oi_sha1
varbinary(32) NOT NULL default ''
1017 ) /*$wgDBTableOptions*/;
1019 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
1020 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
1021 -- oi_archive_name truncated to 14 to avoid key length overflow
1022 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
1023 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
1027 -- Record of deleted file data
1029 CREATE TABLE /*_*/filearchive (
1031 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1033 -- Original base filename; key to image.img_name, page.page_title, etc
1034 fa_name
varchar(255) binary NOT NULL default '',
1036 -- Filename of archived file, if an old revision
1037 fa_archive_name
varchar(255) binary default '',
1039 -- Which storage bin (directory tree or object store) the file data
1040 -- is stored in. Should be 'deleted' for files that have been deleted;
1041 -- any other bin is not yet in use.
1042 fa_storage_group
varbinary(16),
1044 -- SHA-1 of the file contents plus extension, used as a key for storage.
1045 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
1047 -- If NULL, the file was missing at deletion time or has been purged
1048 -- from the archival storage.
1049 fa_storage_key
varbinary(64) default '',
1051 -- Deletion information, if this file is deleted.
1052 fa_deleted_user
int,
1053 fa_deleted_timestamp
binary(14) default '',
1054 fa_deleted_reason
varbinary(767) default '',
1056 -- Duped fields from image
1057 fa_size
int unsigned
default 0,
1058 fa_width
int default 0,
1059 fa_height
int default 0,
1060 fa_metadata mediumblob
,
1061 fa_bits
int default 0,
1062 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
1063 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown",
1064 fa_minor_mime
varbinary(100) default "unknown",
1065 fa_description
varbinary(767),
1066 fa_user
int unsigned
default 0,
1067 fa_user_text
varchar(255) binary,
1068 fa_timestamp
binary(14) default '',
1070 -- Visibility of deleted revisions, bitfield
1071 fa_deleted tinyint unsigned
NOT NULL default 0,
1073 -- sha1 hash of file content
1074 fa_sha1
varbinary(32) NOT NULL default ''
1075 ) /*$wgDBTableOptions*/;
1077 -- pick out by image name
1078 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
1079 -- pick out dupe files
1080 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
1081 -- sort by deletion time
1082 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
1084 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
1085 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
1086 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
1090 -- Store information about newly uploaded files before they're
1091 -- moved into the actual filestore
1093 CREATE TABLE /*_*/uploadstash (
1094 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1096 -- the user who uploaded the file.
1097 us_user
int unsigned
NOT NULL,
1099 -- file key. this is how applications actually search for the file.
1100 -- this might go away, or become the primary key.
1101 us_key
varchar(255) NOT NULL,
1103 -- the original path
1104 us_orig_path
varchar(255) NOT NULL,
1106 -- the temporary path at which the file is actually stored
1107 us_path
varchar(255) NOT NULL,
1109 -- which type of upload the file came from (sometimes)
1110 us_source_type
varchar(50),
1112 -- the date/time on which the file was added
1113 us_timestamp
varbinary(14) NOT NULL,
1115 us_status
varchar(50) NOT NULL,
1117 -- chunk counter starts at 0, current offset is stored in us_size
1118 us_chunk_inx
int unsigned
NULL,
1120 -- Serialized file properties from FSFile::getProps()
1123 -- file size in bytes
1124 us_size
int unsigned
NOT NULL,
1125 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
1126 us_sha1
varchar(31) NOT NULL,
1127 us_mime
varchar(255),
1128 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1129 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
1130 -- image-specific properties
1131 us_image_width
int unsigned
,
1132 us_image_height
int unsigned
,
1133 us_image_bits
smallint unsigned
1135 ) /*$wgDBTableOptions*/;
1137 -- sometimes there's a delete for all of a user's stuff.
1138 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1139 -- pick out files by key, enforce key uniqueness
1140 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1141 -- the abandoned upload cleanup script needs this
1142 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1146 -- Primarily a summary table for Special:Recentchanges,
1147 -- this table contains some additional info on edits from
1148 -- the last few days, see Article::editUpdates()
1150 CREATE TABLE /*_*/recentchanges (
1151 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1152 rc_timestamp
varbinary(14) NOT NULL default '',
1155 rc_user
int unsigned
NOT NULL default 0,
1156 rc_user_text
varchar(255) binary NOT NULL,
1158 -- When pages are renamed, their RC entries do _not_ change.
1159 rc_namespace
int NOT NULL default 0,
1160 rc_title
varchar(255) binary NOT NULL default '',
1162 -- as in revision...
1163 rc_comment
varbinary(767) NOT NULL default '',
1164 rc_minor tinyint unsigned
NOT NULL default 0,
1166 -- Edits by user accounts with the 'bot' rights key are
1167 -- marked with a 1 here, and will be hidden from the
1169 rc_bot tinyint unsigned
NOT NULL default 0,
1171 -- Set if this change corresponds to a page creation
1172 rc_new tinyint unsigned
NOT NULL default 0,
1174 -- Key to page_id (was cur_id prior to 1.5).
1175 -- This will keep links working after moves while
1176 -- retaining the at-the-time name in the changes list.
1177 rc_cur_id
int unsigned
NOT NULL default 0,
1179 -- rev_id of the given revision
1180 rc_this_oldid
int unsigned
NOT NULL default 0,
1182 -- rev_id of the prior revision, for generating diff links.
1183 rc_last_oldid
int unsigned
NOT NULL default 0,
1185 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1186 rc_type tinyint unsigned
NOT NULL default 0,
1188 -- The source of the change entry (replaces rc_type)
1189 -- default of '' is temporary, needed for initial migration
1190 rc_source
varchar(16) binary not null default '',
1192 -- If the Recent Changes Patrol option is enabled,
1193 -- users may mark edits as having been reviewed to
1194 -- remove a warning flag on the RC list.
1195 -- A value of 1 indicates the page has been reviewed.
1196 rc_patrolled tinyint unsigned
NOT NULL default 0,
1198 -- Recorded IP address the edit was made from, if the
1199 -- $wgPutIPinRC option is enabled.
1200 rc_ip
varbinary(40) NOT NULL default '',
1202 -- Text length in characters before
1203 -- and after the edit
1207 -- Visibility of recent changes items, bitfield
1208 rc_deleted tinyint unsigned
NOT NULL default 0,
1210 -- Value corresponding to log_id, specific log entries
1211 rc_logid
int unsigned
NOT NULL default 0,
1212 -- Store log type info here, or null
1213 rc_log_type
varbinary(255) NULL default NULL,
1214 -- Store log action or null
1215 rc_log_action
varbinary(255) NULL default NULL,
1218 ) /*$wgDBTableOptions*/;
1220 -- Special:Recentchanges
1221 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1223 -- Special:Watchlist
1224 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1226 -- Special:Recentchangeslinked when finding changes in pages linked from a page
1227 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1230 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1232 -- Blank unless $wgPutIPinRC=true (false at WMF), possibly used by extensions,
1233 -- but mostly replaced by CheckUser.
1234 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1236 -- Probably intended for Special:NewPages namespace filter
1237 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1239 -- SiteStats active user count, Special:ActiveUsers, Special:NewPages user filter
1240 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1242 -- ApiQueryRecentChanges (T140108)
1243 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1246 CREATE TABLE /*_*/watchlist (
1247 wl_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1248 -- Key to user.user_id
1249 wl_user
int unsigned
NOT NULL,
1251 -- Key to page_namespace/page_title
1252 -- Note that users may watch pages which do not exist yet,
1253 -- or existed in the past but have been deleted.
1254 wl_namespace
int NOT NULL default 0,
1255 wl_title
varchar(255) binary NOT NULL default '',
1257 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1258 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1259 -- of the page, which means that they should be sent an e-mail on the next change.
1260 wl_notificationtimestamp
varbinary(14)
1262 ) /*$wgDBTableOptions*/;
1264 -- Special:Watchlist
1265 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1267 -- Special:Movepage (WatchedItemStore::duplicateEntry)
1268 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1270 -- ApiQueryWatchlistRaw changed filter
1271 CREATE INDEX /*i*/wl_user_notificationtimestamp
ON /*_*/watchlist (wl_user
, wl_notificationtimestamp
);
1275 -- When using the default MySQL search backend, page titles
1276 -- and text are munged to strip markup, do Unicode case folding,
1277 -- and prepare the result for MySQL's fulltext index.
1279 -- This table must be MyISAM; InnoDB does not support the needed
1282 CREATE TABLE /*_*/searchindex (
1284 si_page
int unsigned
NOT NULL,
1286 -- Munged version of title
1287 si_title
varchar(255) NOT NULL default '',
1289 -- Munged version of body text
1290 si_text mediumtext
NOT NULL
1291 ) ENGINE
=MyISAM
DEFAULT CHARSET
=utf8
;
1293 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1294 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1295 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1299 -- Recognized interwiki link prefixes
1301 CREATE TABLE /*_*/interwiki (
1302 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1303 iw_prefix
varchar(32) NOT NULL,
1305 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1306 -- Any spaces in the name will be transformed to underscores before
1308 iw_url
blob NOT NULL,
1310 -- The URL of the file api.php
1311 iw_api
blob NOT NULL,
1313 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1314 iw_wikiid
varchar(64) NOT NULL,
1316 -- A boolean value indicating whether the wiki is in this project
1317 -- (used, for example, to detect redirect loops)
1318 iw_local bool
NOT NULL,
1320 -- Boolean value indicating whether interwiki transclusions are allowed.
1321 iw_trans tinyint
NOT NULL default 0
1322 ) /*$wgDBTableOptions*/;
1324 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1328 -- Used for caching expensive grouped queries
1330 CREATE TABLE /*_*/querycache (
1331 -- A key name, generally the base name of of the special page.
1332 qc_type
varbinary(32) NOT NULL,
1334 -- Some sort of stored value. Sizes, counts...
1335 qc_value
int unsigned
NOT NULL default 0,
1337 -- Target namespace+title
1338 qc_namespace
int NOT NULL default 0,
1339 qc_title
varchar(255) binary NOT NULL default ''
1340 ) /*$wgDBTableOptions*/;
1342 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1346 -- For a few generic cache operations if not using Memcached
1348 CREATE TABLE /*_*/objectcache (
1349 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1352 ) /*$wgDBTableOptions*/;
1353 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1357 -- Cache of interwiki transclusion
1359 CREATE TABLE /*_*/transcache (
1360 tc_url
varbinary(255) NOT NULL,
1362 tc_time
binary(14) NOT NULL
1363 ) /*$wgDBTableOptions*/;
1365 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1368 CREATE TABLE /*_*/logging (
1369 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1370 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1372 -- Symbolic keys for the general log type and the action type
1373 -- within the log. The output format will be controlled by the
1374 -- action field, but only the type controls categorization.
1375 log_type
varbinary(32) NOT NULL default '',
1376 log_action
varbinary(32) NOT NULL default '',
1379 log_timestamp
binary(14) NOT NULL default '19700101000000',
1381 -- The user who performed this action; key to user_id
1382 log_user
int unsigned
NOT NULL default 0,
1384 -- Name of the user who performed this action
1385 log_user_text
varchar(255) binary NOT NULL default '',
1387 -- Key to the page affected. Where a user is the target,
1388 -- this will point to the user page.
1389 log_namespace
int NOT NULL default 0,
1390 log_title
varchar(255) binary NOT NULL default '',
1391 log_page
int unsigned
NULL,
1393 -- Freeform text. Interpreted as edit history comments.
1394 log_comment
varbinary(767) NOT NULL default '',
1396 -- miscellaneous parameters:
1397 -- LF separated list (old system) or serialized PHP array (new system)
1398 log_params
blob NOT NULL,
1400 -- rev_deleted for logs
1401 log_deleted tinyint unsigned
NOT NULL default 0
1402 ) /*$wgDBTableOptions*/;
1404 -- Special:Log type filter
1405 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1407 -- Special:Log performer filter
1408 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1410 -- Special:Log title filter, log extract
1411 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1413 -- Special:Log unfiltered
1414 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1416 -- Special:Log filter by performer and type
1417 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1419 -- Apparently just used for a few maintenance pages (findMissingFiles.php, Flow).
1420 -- Could be removed?
1421 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1423 -- Special:Log action filter
1424 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1426 -- Special:Log filter by type and anonymous performer
1427 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1429 -- Special:Log filter by anonymous performer
1430 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1433 CREATE TABLE /*_*/log_search (
1434 -- The type of ID (rev ID, log ID, rev timestamp, username)
1435 ls_field
varbinary(32) NOT NULL,
1436 -- The value of the ID
1437 ls_value
varchar(255) NOT NULL,
1439 ls_log_id
int unsigned
NOT NULL default 0
1440 ) /*$wgDBTableOptions*/;
1441 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1442 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1445 -- Jobs performed by parallel apache threads or a command-line daemon
1446 CREATE TABLE /*_*/job (
1447 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1450 -- Limited to 60 to prevent key length overflow
1451 job_cmd
varbinary(60) NOT NULL default '',
1453 -- Namespace and title to act on
1454 -- Should be 0 and '' if the command does not operate on a title
1455 job_namespace
int NOT NULL,
1456 job_title
varchar(255) binary NOT NULL,
1458 -- Timestamp of when the job was inserted
1459 -- NULL for jobs added before addition of the timestamp
1460 job_timestamp
varbinary(14) NULL default NULL,
1462 -- Any other parameters to the command
1463 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1464 job_params
blob NOT NULL,
1466 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1467 job_random
integer unsigned
NOT NULL default 0,
1469 -- The number of times this job has been locked
1470 job_attempts
integer unsigned
NOT NULL default 0,
1472 -- Field that conveys process locks on rows via process UUIDs
1473 job_token
varbinary(32) NOT NULL default '',
1475 -- Timestamp when the job was locked
1476 job_token_timestamp
varbinary(14) NULL default NULL,
1478 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1479 job_sha1
varbinary(32) NOT NULL default ''
1480 ) /*$wgDBTableOptions*/;
1482 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1483 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1484 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1485 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1486 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1489 -- Details of updates to cached special pages
1490 CREATE TABLE /*_*/querycache_info (
1491 -- Special page name
1492 -- Corresponds to a qc_type value
1493 qci_type
varbinary(32) NOT NULL default '',
1495 -- Timestamp of last update
1496 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1497 ) /*$wgDBTableOptions*/;
1499 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1502 -- For each redirect, this table contains exactly one row defining its target
1503 CREATE TABLE /*_*/redirect (
1504 -- Key to the page_id of the redirect page
1505 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1507 -- Key to page_namespace/page_title of the target page.
1508 -- The target page may or may not exist, and due to renames
1509 -- and deletions may refer to different page records as time
1511 rd_namespace
int NOT NULL default 0,
1512 rd_title
varchar(255) binary NOT NULL default '',
1513 rd_interwiki
varchar(32) default NULL,
1514 rd_fragment
varchar(255) binary default NULL
1515 ) /*$wgDBTableOptions*/;
1517 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1520 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1521 CREATE TABLE /*_*/querycachetwo (
1522 -- A key name, generally the base name of of the special page.
1523 qcc_type
varbinary(32) NOT NULL,
1525 -- Some sort of stored value. Sizes, counts...
1526 qcc_value
int unsigned
NOT NULL default 0,
1528 -- Target namespace+title
1529 qcc_namespace
int NOT NULL default 0,
1530 qcc_title
varchar(255) binary NOT NULL default '',
1532 -- Target namespace+title2
1533 qcc_namespacetwo
int NOT NULL default 0,
1534 qcc_titletwo
varchar(255) binary NOT NULL default ''
1535 ) /*$wgDBTableOptions*/;
1537 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1538 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1539 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1542 -- Used for storing page restrictions (i.e. protection levels)
1543 CREATE TABLE /*_*/page_restrictions (
1544 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1545 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1546 -- Page to apply restrictions to (Foreign Key to page).
1547 pr_page
int NOT NULL,
1548 -- The protection type (edit, move, etc)
1549 pr_type
varbinary(60) NOT NULL,
1550 -- The protection level (Sysop, autoconfirmed, etc)
1551 pr_level
varbinary(60) NOT NULL,
1552 -- Whether or not to cascade the protection down to pages transcluded.
1553 pr_cascade tinyint
NOT NULL,
1554 -- Field for future support of per-user restriction.
1556 -- Field for time-limited protection.
1557 pr_expiry
varbinary(14) NULL
1558 ) /*$wgDBTableOptions*/;
1560 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1561 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1562 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1563 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1566 -- Protected titles - nonexistent pages that have been protected
1567 CREATE TABLE /*_*/protected_titles (
1568 pt_namespace
int NOT NULL,
1569 pt_title
varchar(255) binary NOT NULL,
1570 pt_user
int unsigned
NOT NULL,
1571 pt_reason
varbinary(767),
1572 pt_timestamp
binary(14) NOT NULL,
1573 pt_expiry
varbinary(14) NOT NULL default '',
1574 pt_create_perm
varbinary(60) NOT NULL
1575 ) /*$wgDBTableOptions*/;
1577 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1578 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1581 -- Name/value pairs indexed by page_id
1582 CREATE TABLE /*_*/page_props (
1583 pp_page
int NOT NULL,
1584 pp_propname
varbinary(60) NOT NULL,
1585 pp_value
blob NOT NULL,
1586 pp_sortkey
float DEFAULT NULL
1587 ) /*$wgDBTableOptions*/;
1589 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1590 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1591 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1593 -- A table to log updates, one text key row per update.
1594 CREATE TABLE /*_*/updatelog (
1595 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1597 ) /*$wgDBTableOptions*/;
1600 -- A table to track tags for revisions, logs and recent changes.
1601 CREATE TABLE /*_*/change_tag (
1602 ct_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1603 -- RCID for the change
1605 -- LOGID for the change
1607 -- REVID for the change
1610 ct_tag
varchar(255) NOT NULL,
1611 -- Parameters for the tag, presently unused
1613 ) /*$wgDBTableOptions*/;
1615 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1616 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1617 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1618 -- Covering index, so we can pull all the info only out of the index.
1619 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1622 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1623 -- that only works on MySQL 4.1+
1624 CREATE TABLE /*_*/tag_summary (
1625 ts_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1626 -- RCID for the change
1628 -- LOGID for the change
1630 -- REVID for the change
1632 -- Comma-separated list of tags
1633 ts_tags
blob NOT NULL
1634 ) /*$wgDBTableOptions*/;
1636 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1637 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1638 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1641 CREATE TABLE /*_*/valid_tag (
1642 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1643 ) /*$wgDBTableOptions*/;
1645 -- Table for storing localisation data
1646 CREATE TABLE /*_*/l10n_cache (
1648 lc_lang
varbinary(32) NOT NULL,
1650 lc_key
varchar(255) NOT NULL,
1652 lc_value mediumblob
NOT NULL
1653 ) /*$wgDBTableOptions*/;
1654 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1656 -- Table caching which local files a module depends on that aren't
1657 -- registered directly, used for fast retrieval of file dependency.
1658 -- Currently only used for tracking images that CSS depends on
1659 CREATE TABLE /*_*/module_deps (
1661 md_module
varbinary(255) NOT NULL,
1662 -- Module context vary (includes skin and language; called "md_skin" for legacy reasons)
1663 md_skin
varbinary(32) NOT NULL,
1664 -- JSON blob with file dependencies
1665 md_deps mediumblob
NOT NULL
1666 ) /*$wgDBTableOptions*/;
1667 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1669 -- Holds all the sites known to the wiki.
1670 CREATE TABLE /*_*/sites (
1671 -- Numeric id of the site
1672 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1674 -- Global identifier for the site, ie 'enwiktionary'
1675 site_global_key
varbinary(32) NOT NULL,
1677 -- Type of the site, ie 'mediawiki'
1678 site_type
varbinary(32) NOT NULL,
1680 -- Group of the site, ie 'wikipedia'
1681 site_group
varbinary(32) NOT NULL,
1683 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1684 site_source
varbinary(32) NOT NULL,
1686 -- Language code of the sites primary language.
1687 site_language
varbinary(32) NOT NULL,
1689 -- Protocol of the site, ie 'http://', 'irc://', '//'
1690 -- This field is an index for lookups and is build from type specific data in site_data.
1691 site_protocol
varbinary(32) NOT NULL,
1693 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1694 -- This field is an index for lookups and is build from type specific data in site_data.
1695 site_domain
VARCHAR(255) NOT NULL,
1697 -- Type dependent site data.
1698 site_data
BLOB NOT NULL,
1700 -- If site.tld/path/key:pageTitle should forward users to the page on
1701 -- the actual site, where "key" is the local identifier.
1702 site_forward bool
NOT NULL,
1704 -- Type dependent site config.
1705 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1706 site_config
BLOB NOT NULL
1707 ) /*$wgDBTableOptions*/;
1709 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1710 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1711 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1712 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1713 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1714 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1715 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1716 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1718 -- Links local site identifiers to their corresponding site.
1719 CREATE TABLE /*_*/site_identifiers (
1720 -- Key on site.site_id
1721 si_site
INT UNSIGNED
NOT NULL,
1723 -- local key type, ie 'interwiki' or 'langlink'
1724 si_type
varbinary(32) NOT NULL,
1726 -- local key value, ie 'en' or 'wiktionary'
1727 si_key
varbinary(32) NOT NULL
1728 ) /*$wgDBTableOptions*/;
1730 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1731 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1732 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1734 -- vim: sw=2 sts=2 et