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. Use $user->expirePassword()
134 -- to force a password reset.
135 user_password_expires
varbinary(14) DEFAULT NULL
137 ) /*$wgDBTableOptions*/;
139 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
140 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
141 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50));
145 -- User permissions have been broken out to a separate table;
146 -- this allows sites with a shared user table to have different
147 -- permissions assigned to a user in each project.
149 -- This table replaces the old user_rights field which used a
150 -- comma-separated blob.
152 CREATE TABLE /*_*/user_groups (
154 ug_user
int unsigned
NOT NULL default 0,
156 -- Group names are short symbolic string keys.
157 -- The set of group names is open-ended, though in practice
158 -- only some predefined ones are likely to be used.
160 -- At runtime $wgGroupPermissions will associate group keys
161 -- with particular permissions. A user will have the combined
162 -- permissions of any group they're explicitly in, plus
163 -- the implicit '*' and 'user' groups.
164 ug_group
varbinary(255) NOT NULL default ''
165 ) /*$wgDBTableOptions*/;
167 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
168 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
170 -- Stores the groups the user has once belonged to.
171 -- The user may still belong to these groups (check user_groups).
172 -- Users are not autopromoted to groups from which they were removed.
173 CREATE TABLE /*_*/user_former_groups (
175 ufg_user
int unsigned
NOT NULL default 0,
176 ufg_group
varbinary(255) NOT NULL default ''
177 ) /*$wgDBTableOptions*/;
179 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
182 -- Stores notifications of user talk page changes, for the display
183 -- of the "you have new messages" box
185 CREATE TABLE /*_*/user_newtalk (
186 -- Key to user.user_id
187 user_id
int unsigned
NOT NULL default 0,
188 -- If the user is an anonymous user their IP address is stored here
189 -- since the user_id of 0 is ambiguous
190 user_ip
varbinary(40) NOT NULL default '',
191 -- The highest timestamp of revisions of the talk page viewed
193 user_last_timestamp
varbinary(14) NULL default NULL
194 ) /*$wgDBTableOptions*/;
196 -- Indexes renamed for SQLite in 1.14
197 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
198 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
202 -- User preferences and perhaps other fun stuff. :)
203 -- Replaces the old user.user_options blob, with a couple nice properties:
205 -- 1) We only store non-default settings, so changes to the defauls
206 -- are now reflected for everybody, not just new accounts.
207 -- 2) We can more easily do bulk lookups, statistics, or modifications of
208 -- saved options since it's a sane table structure.
210 CREATE TABLE /*_*/user_properties (
211 -- Foreign key to user.user_id
212 up_user
int NOT NULL,
214 -- Name of the option being saved. This is indexed for bulk lookup.
215 up_property
varbinary(255) NOT NULL,
217 -- Property value as a string.
219 ) /*$wgDBTableOptions*/;
221 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
222 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
225 -- Core of the wiki: each page has an entry here which identifies
226 -- it by title and contains some essential metadata.
228 CREATE TABLE /*_*/page (
229 -- Unique identifier number. The page_id will be preserved across
230 -- edits and rename operations, but not deletions and recreations.
231 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
233 -- A page name is broken into a namespace and a title.
234 -- The namespace keys are UI-language-independent constants,
235 -- defined in includes/Defines.php
236 page_namespace
int NOT NULL,
238 -- The rest of the title, as text.
239 -- Spaces are transformed into underscores in title storage.
240 page_title
varchar(255) binary NOT NULL,
242 -- Comma-separated set of permission keys indicating who
243 -- can move or edit the page.
244 page_restrictions tinyblob
NOT NULL,
246 -- 1 indicates the article is a redirect.
247 page_is_redirect tinyint unsigned
NOT NULL default 0,
249 -- 1 indicates this is a new entry, with only one edit.
250 -- Not all pages with one edit are new pages.
251 page_is_new tinyint unsigned
NOT NULL default 0,
253 -- Random value between 0 and 1, used for Special:Randompage
254 page_random
real unsigned
NOT NULL,
256 -- This timestamp is updated whenever the page changes in
257 -- a way requiring it to be re-rendered, invalidating caches.
258 -- Aside from editing this includes permission changes,
259 -- creation or deletion of linked pages, and alteration
260 -- of contained templates.
261 page_touched
binary(14) NOT NULL default '',
263 -- This timestamp is updated whenever a page is re-parsed and
264 -- it has all the link tracking tables updated for it. This is
265 -- useful for de-duplicating expensive backlink update jobs.
266 page_links_updated
varbinary(14) NULL default NULL,
268 -- Handy key to revision.rev_id of the current revision.
269 -- This may be 0 during page creation, but that shouldn't
270 -- happen outside of a transaction... hopefully.
271 page_latest
int unsigned
NOT NULL,
273 -- Uncompressed length in bytes of the page's current source text.
274 page_len
int unsigned
NOT NULL,
276 -- content model, see CONTENT_MODEL_XXX constants
277 page_content_model
varbinary(32) DEFAULT NULL,
279 -- Page content language
280 page_lang
varbinary(35) DEFAULT NULL
281 ) /*$wgDBTableOptions*/;
283 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
284 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
285 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
286 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
289 -- Every edit of a page creates also a revision row.
290 -- This stores metadata about the revision, and a reference
291 -- to the text storage backend.
293 CREATE TABLE /*_*/revision (
294 -- Unique ID to identify each revision
295 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
297 -- Key to page_id. This should _never_ be invalid.
298 rev_page
int unsigned
NOT NULL,
300 -- Key to text.old_id, where the actual bulk text is stored.
301 -- It's possible for multiple revisions to use the same text,
302 -- for instance revisions where only metadata is altered
303 -- or a rollback to a previous version.
304 rev_text_id
int unsigned
NOT NULL,
306 -- Text comment summarizing the change.
307 -- This text is shown in the history and other changes lists,
308 -- rendered in a subset of wiki markup by Linker::formatComment()
309 rev_comment
varbinary(767) NOT NULL,
311 -- Key to user.user_id of the user who made this edit.
312 -- Stores 0 for anonymous edits and for some mass imports.
313 rev_user
int unsigned
NOT NULL default 0,
315 -- Text username or IP address of the editor.
316 rev_user_text
varchar(255) binary NOT NULL default '',
318 -- Timestamp of when revision was created
319 rev_timestamp
binary(14) NOT NULL default '',
321 -- Records whether the user marked the 'minor edit' checkbox.
322 -- Many automated edits are marked as minor.
323 rev_minor_edit tinyint unsigned
NOT NULL default 0,
325 -- Restrictions on who can access this revision
326 rev_deleted tinyint unsigned
NOT NULL default 0,
328 -- Length of this revision in bytes
329 rev_len
int unsigned
,
331 -- Key to revision.rev_id
332 -- This field is used to add support for a tree structure (The Adjacency List Model)
333 rev_parent_id
int unsigned
default NULL,
335 -- SHA-1 text content hash in base-36
336 rev_sha1
varbinary(32) NOT NULL default '',
338 -- content model, see CONTENT_MODEL_XXX constants
339 rev_content_model
varbinary(32) DEFAULT NULL,
341 -- content format, see CONTENT_FORMAT_XXX constants
342 rev_content_format
varbinary(64) DEFAULT NULL
344 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
345 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
347 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
348 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
349 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
350 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
351 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
352 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
355 -- Holds text of individual page revisions.
357 -- Field names are a holdover from the 'old' revisions table in
358 -- MediaWiki 1.4 and earlier: an upgrade will transform that
359 -- table into the 'text' table to minimize unnecessary churning
360 -- and downtime. If upgrading, the other fields will be left unused.
362 CREATE TABLE /*_*/text (
363 -- Unique text storage key number.
364 -- Note that the 'oldid' parameter used in URLs does *not*
365 -- refer to this number anymore, but to rev_id.
367 -- revision.rev_text_id is a key to this column
368 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
370 -- Depending on the contents of the old_flags field, the text
371 -- may be convenient plain text, or it may be funkily encoded.
372 old_text mediumblob
NOT NULL,
374 -- Comma-separated list of flags:
375 -- gzip: text is compressed with PHP's gzdeflate() function.
376 -- utf-8: text was stored as UTF-8.
377 -- If $wgLegacyEncoding option is on, rows *without* this flag
378 -- will be converted to UTF-8 transparently at load time. Note
379 -- that due to a bug in a maintenance script, this flag may
380 -- have been stored as 'utf8' in some cases (T18841).
381 -- object: text field contained a serialized PHP object.
382 -- The object either contains multiple versions compressed
383 -- together to achieve a better compression ratio, or it refers
384 -- to another row where the text can be found.
385 -- external: text was stored in an external location specified by old_text.
386 -- Any additional flags apply to the data stored at that URL, not
387 -- the URL itself. The 'object' flag is *not* set for URLs of the
388 -- form 'DB://cluster/id/itemid', because the external storage
389 -- system itself decompresses these.
390 old_flags tinyblob
NOT NULL
391 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
392 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
396 -- Holding area for deleted articles, which may be viewed
397 -- or restored by admins through the Special:Undelete interface.
398 -- The fields generally correspond to the page, revision, and text
399 -- fields, with several caveats.
401 CREATE TABLE /*_*/archive (
403 ar_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
404 ar_namespace
int NOT NULL default 0,
405 ar_title
varchar(255) binary NOT NULL default '',
407 -- Newly deleted pages will not store text in this table,
408 -- but will reference the separately existing text rows.
409 -- This field is retained for backwards compatibility,
410 -- so old archived pages will remain accessible after
411 -- upgrading from 1.4 to 1.5.
412 -- Text may be gzipped or otherwise funky.
413 ar_text mediumblob
NOT NULL,
415 -- Basic revision stuff...
416 ar_comment
varbinary(767) NOT NULL,
417 ar_user
int unsigned
NOT NULL default 0,
418 ar_user_text
varchar(255) binary NOT NULL,
419 ar_timestamp
binary(14) NOT NULL default '',
420 ar_minor_edit tinyint
NOT NULL default 0,
423 ar_flags tinyblob
NOT NULL,
425 -- When revisions are deleted, their unique rev_id is stored
426 -- here so it can be retained after undeletion. This is necessary
427 -- to retain permalinks to given revisions after accidental delete
428 -- cycles or messy operations like history merges.
430 -- Old entries from 1.4 will be NULL here, and a new rev_id will
431 -- be created on undeletion for those revisions.
432 ar_rev_id
int unsigned
,
434 -- For newly deleted revisions, this is the text.old_id key to the
435 -- actual stored text. To avoid breaking the block-compression scheme
436 -- and otherwise making storage changes harder, the actual text is
437 -- *not* deleted from the text table, merely hidden by removal of the
438 -- page and revision entries.
440 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
441 -- ar_text and ar_flags fields will be used to create a new text
442 -- row upon undeletion.
443 ar_text_id
int unsigned
,
445 -- rev_deleted for archives
446 ar_deleted tinyint unsigned
NOT NULL default 0,
448 -- Length of this revision in bytes
451 -- Reference to page_id. Useful for sysadmin fixing of large pages
452 -- merged together in the archives, or for cleanly restoring a page
453 -- at its original ID number if possible.
455 -- Will be NULL for pages deleted prior to 1.11.
456 ar_page_id
int unsigned
,
458 -- Original previous revision
459 ar_parent_id
int unsigned
default NULL,
461 -- SHA-1 text content hash in base-36
462 ar_sha1
varbinary(32) NOT NULL default '',
464 -- content model, see CONTENT_MODEL_XXX constants
465 ar_content_model
varbinary(32) DEFAULT NULL,
467 -- content format, see CONTENT_FORMAT_XXX constants
468 ar_content_format
varbinary(64) DEFAULT NULL
469 ) /*$wgDBTableOptions*/;
471 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
472 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
473 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
477 -- Track page-to-page hyperlinks within the wiki.
479 CREATE TABLE /*_*/pagelinks (
480 -- Key to the page_id of the page containing the link.
481 pl_from
int unsigned
NOT NULL default 0,
482 -- Namespace for this page
483 pl_from_namespace
int NOT NULL default 0,
485 -- Key to page_namespace/page_title of the target page.
486 -- The target page may or may not exist, and due to renames
487 -- and deletions may refer to different page records as time
489 pl_namespace
int NOT NULL default 0,
490 pl_title
varchar(255) binary NOT NULL default ''
491 ) /*$wgDBTableOptions*/;
493 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
494 CREATE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
495 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
499 -- Track template inclusions.
501 CREATE TABLE /*_*/templatelinks (
502 -- Key to the page_id of the page containing the link.
503 tl_from
int unsigned
NOT NULL default 0,
504 -- Namespace for this page
505 tl_from_namespace
int NOT NULL default 0,
507 -- Key to page_namespace/page_title of the target page.
508 -- The target page may or may not exist, and due to renames
509 -- and deletions may refer to different page records as time
511 tl_namespace
int NOT NULL default 0,
512 tl_title
varchar(255) binary NOT NULL default ''
513 ) /*$wgDBTableOptions*/;
515 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
516 CREATE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
517 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
521 -- Track links to images *used inline*
522 -- We don't distinguish live from broken links here, so
523 -- they do not need to be changed on upload/removal.
525 CREATE TABLE /*_*/imagelinks (
526 -- Key to page_id of the page containing the image / media link.
527 il_from
int unsigned
NOT NULL default 0,
528 -- Namespace for this page
529 il_from_namespace
int NOT NULL default 0,
531 -- Filename of target image.
532 -- This is also the page_title of the file's description page;
533 -- all such pages are in namespace 6 (NS_FILE).
534 il_to
varchar(255) binary NOT NULL default ''
535 ) /*$wgDBTableOptions*/;
537 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
538 CREATE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
539 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
543 -- Track category inclusions *used inline*
544 -- This tracks a single level of category membership
546 CREATE TABLE /*_*/categorylinks (
547 -- Key to page_id of the page defined as a category member.
548 cl_from
int unsigned
NOT NULL default 0,
550 -- Name of the category.
551 -- This is also the page_title of the category's description page;
552 -- all such pages are in namespace 14 (NS_CATEGORY).
553 cl_to
varchar(255) binary NOT NULL default '',
555 -- A binary string obtained by applying a sortkey generation algorithm
556 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
557 -- . page_title if cl_sortkey_prefix is nonempty.
558 cl_sortkey
varbinary(230) NOT NULL default '',
560 -- A prefix for the raw sortkey manually specified by the user, either via
561 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
562 -- concatenated with a line break followed by the page title before the sortkey
563 -- conversion algorithm is run. We store this so that we can update
564 -- collations without reparsing all pages.
565 -- Note: If you change the length of this field, you also need to change
566 -- code in LinksUpdate.php. See bug 25254.
567 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
569 -- This isn't really used at present. Provided for an optional
570 -- sorting method by approximate addition time.
571 cl_timestamp
timestamp NOT NULL,
573 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
574 -- can be used to install new collation versions, tracking which rows are not
575 -- yet updated. '' means no collation, this is a legacy row that needs to be
576 -- updated by updateCollation.php. In the future, it might be possible to
577 -- specify different collations per category.
578 cl_collation
varbinary(32) NOT NULL default '',
580 -- Stores whether cl_from is a category, file, or other page, so we can
581 -- paginate the three categories separately. This never has to be updated
582 -- after the page is created, since none of these page types can be moved to
584 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
585 ) /*$wgDBTableOptions*/;
587 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
589 -- We always sort within a given category, and within a given type. FIXME:
590 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
591 -- callers won't be using an index: fix this?
592 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
594 -- Used by the API (and some extensions)
595 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
597 -- FIXME: Not used, delete this
598 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
601 -- Track all existing categories. Something is a category if 1) it has an en-
602 -- try somewhere in categorylinks, or 2) it once did. Categories might not
603 -- have corresponding pages, so they need to be tracked separately.
605 CREATE TABLE /*_*/category (
607 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
609 -- Name of the category, in the same form as page_title (with underscores).
610 -- If there is a category page corresponding to this category, by definition,
611 -- it has this name (in the Category namespace).
612 cat_title
varchar(255) binary NOT NULL,
614 -- The numbers of member pages (including categories and media), subcatego-
615 -- ries, and Image: namespace members, respectively. These are signed to
616 -- make underflow more obvious. We make the first number include the second
617 -- two for better sorting: subtracting for display is easy, adding for order-
619 cat_pages
int signed
NOT NULL default 0,
620 cat_subcats
int signed
NOT NULL default 0,
621 cat_files
int signed
NOT NULL default 0
622 ) /*$wgDBTableOptions*/;
624 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
626 -- For Special:Mostlinkedcategories
627 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
631 -- Track links to external URLs
633 CREATE TABLE /*_*/externallinks (
635 el_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
637 -- page_id of the referring page
638 el_from
int unsigned
NOT NULL default 0,
643 -- In the case of HTTP URLs, this is the URL with any username or password
644 -- removed, and with the labels in the hostname reversed and converted to
645 -- lower case. An extra dot is added to allow for matching of either
646 -- example.com or *.example.com in a single scan.
648 -- http://user:password@sub.example.com/page.html
650 -- http://com.example.sub./page.html
651 -- which allows for fast searching for all pages under example.com with the
653 -- WHERE el_index LIKE 'http://com.example.%'
654 el_index
blob NOT NULL
655 ) /*$wgDBTableOptions*/;
657 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
658 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
659 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
662 -- Track interlanguage links
664 CREATE TABLE /*_*/langlinks (
665 -- page_id of the referring page
666 ll_from
int unsigned
NOT NULL default 0,
668 -- Language code of the target
669 ll_lang
varbinary(20) NOT NULL default '',
671 -- Title of the target, including namespace
672 ll_title
varchar(255) binary NOT NULL default ''
673 ) /*$wgDBTableOptions*/;
675 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
676 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
680 -- Track inline interwiki links
682 CREATE TABLE /*_*/iwlinks (
683 -- page_id of the referring page
684 iwl_from
int unsigned
NOT NULL default 0,
686 -- Interwiki prefix code of the target
687 iwl_prefix
varbinary(20) NOT NULL default '',
689 -- Title of the target, including namespace
690 iwl_title
varchar(255) binary NOT NULL default ''
691 ) /*$wgDBTableOptions*/;
693 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
694 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
695 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
699 -- Contains a single row with some aggregate info
700 -- on the state of the site.
702 CREATE TABLE /*_*/site_stats (
703 -- The single row should contain 1 here.
704 ss_row_id
int unsigned
NOT NULL,
706 -- Total number of edits performed.
707 ss_total_edits
bigint unsigned
default 0,
709 -- An approximate count of pages matching the following criteria:
712 -- * contains the text '[['
713 -- See Article::isCountable() in includes/Article.php
714 ss_good_articles
bigint unsigned
default 0,
716 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
717 ss_total_pages
bigint default '-1',
719 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
720 ss_users
bigint default '-1',
722 -- Number of users that still edit
723 ss_active_users
bigint default '-1',
725 -- Number of images, equivalent to SELECT COUNT(*) FROM image
726 ss_images
int default 0
727 ) /*$wgDBTableOptions*/;
729 -- Pointless index to assuage developer superstitions
730 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
733 -- The internet is full of jerks, alas. Sometimes it's handy
734 -- to block a vandal or troll account.
736 CREATE TABLE /*_*/ipblocks (
737 -- Primary key, introduced for privacy.
738 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
740 -- Blocked IP address in dotted-quad form or user name.
741 ipb_address tinyblob
NOT NULL,
743 -- Blocked user ID or 0 for IP blocks.
744 ipb_user
int unsigned
NOT NULL default 0,
746 -- User ID who made the block.
747 ipb_by
int unsigned
NOT NULL default 0,
749 -- User name of blocker
750 ipb_by_text
varchar(255) binary NOT NULL default '',
752 -- Text comment made by blocker.
753 ipb_reason
varbinary(767) NOT NULL,
755 -- Creation (or refresh) date in standard YMDHMS form.
756 -- IP blocks expire automatically.
757 ipb_timestamp
binary(14) NOT NULL default '',
759 -- Indicates that the IP address was banned because a banned
760 -- user accessed a page through it. If this is 1, ipb_address
761 -- will be hidden, and the block identified by block ID number.
762 ipb_auto bool
NOT NULL default 0,
764 -- If set to 1, block applies only to logged-out users
765 ipb_anon_only bool
NOT NULL default 0,
767 -- Block prevents account creation from matching IP addresses
768 ipb_create_account bool
NOT NULL default 1,
770 -- Block triggers autoblocks
771 ipb_enable_autoblock bool
NOT NULL default '1',
773 -- Time at which the block will expire.
775 ipb_expiry
varbinary(14) NOT NULL default '',
777 -- Start and end of an address range, in hexadecimal
778 -- Size chosen to allow IPv6
779 -- FIXME: these fields were originally blank for single-IP blocks,
780 -- but now they are populated. No migration was ever done. They
781 -- should be fixed to be blank again for such blocks (bug 49504).
782 ipb_range_start tinyblob
NOT NULL,
783 ipb_range_end tinyblob
NOT NULL,
785 -- Flag for entries hidden from users and Sysops
786 ipb_deleted bool
NOT NULL default 0,
788 -- Block prevents user from accessing Special:Emailuser
789 ipb_block_email bool
NOT NULL default 0,
791 -- Block allows user to edit their own talk page
792 ipb_allow_usertalk bool
NOT NULL default 0,
794 -- ID of the block that caused this block to exist
795 -- Autoblocks set this to the original block
796 -- so that the original block being deleted also
797 -- deletes the autoblocks
798 ipb_parent_block_id
int default NULL
800 ) /*$wgDBTableOptions*/;
802 -- Unique index to support "user already blocked" messages
803 -- Any new options which prevent collisions should be included
804 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
806 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
807 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
808 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
809 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
810 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
814 -- Uploaded images and other files.
816 CREATE TABLE /*_*/image (
818 -- This is also the title of the associated description page,
819 -- which will be in namespace 6 (NS_FILE).
820 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
822 -- File size in bytes.
823 img_size
int unsigned
NOT NULL default 0,
825 -- For images, size in pixels.
826 img_width
int NOT NULL default 0,
827 img_height
int NOT NULL default 0,
829 -- Extracted Exif metadata stored as a serialized PHP array.
830 img_metadata mediumblob
NOT NULL,
832 -- For images, bits per pixel if known.
833 img_bits
int NOT NULL default 0,
835 -- Media type as defined by the MEDIATYPE_xxx constants
836 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
838 -- major part of a MIME media type as defined by IANA
839 -- see http://www.iana.org/assignments/media-types/
840 -- for "chemical" cf. http://dx.doi.org/10.1021/ci9803233 by the ACS
841 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
843 -- minor part of a MIME media type as defined by IANA
844 -- the minor parts are not required to adher to any standard
845 -- but should be consistent throughout the database
846 -- see http://www.iana.org/assignments/media-types/
847 img_minor_mime
varbinary(100) NOT NULL default "unknown",
849 -- Description field as entered by the uploader.
850 -- This is displayed in image upload history and logs.
851 img_description
varbinary(767) NOT NULL,
853 -- user_id and user_name of uploader.
854 img_user
int unsigned
NOT NULL default 0,
855 img_user_text
varchar(255) binary NOT NULL,
857 -- Time of the upload.
858 img_timestamp
varbinary(14) NOT NULL default '',
860 -- SHA-1 content hash in base-36
861 img_sha1
varbinary(32) NOT NULL default ''
862 ) /*$wgDBTableOptions*/;
864 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
865 -- Used by Special:ListFiles for sort-by-size
866 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
867 -- Used by Special:Newimages and Special:ListFiles
868 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
869 -- Used in API and duplicate search
870 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
871 -- Used to get media of one type
872 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
876 -- Previous revisions of uploaded files.
877 -- Awkwardly, image rows have to be moved into
878 -- this table at re-upload time.
880 CREATE TABLE /*_*/oldimage (
881 -- Base filename: key to image.img_name
882 oi_name
varchar(255) binary NOT NULL default '',
884 -- Filename of the archived file.
885 -- This is generally a timestamp and '!' prepended to the base name.
886 oi_archive_name
varchar(255) binary NOT NULL default '',
888 -- Other fields as in image...
889 oi_size
int unsigned
NOT NULL default 0,
890 oi_width
int NOT NULL default 0,
891 oi_height
int NOT NULL default 0,
892 oi_bits
int NOT NULL default 0,
893 oi_description
varbinary(767) NOT NULL,
894 oi_user
int unsigned
NOT NULL default 0,
895 oi_user_text
varchar(255) binary NOT NULL,
896 oi_timestamp
binary(14) NOT NULL default '',
898 oi_metadata mediumblob
NOT NULL,
899 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
900 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") NOT NULL default "unknown",
901 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
902 oi_deleted tinyint unsigned
NOT NULL default 0,
903 oi_sha1
varbinary(32) NOT NULL default ''
904 ) /*$wgDBTableOptions*/;
906 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
907 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
908 -- oi_archive_name truncated to 14 to avoid key length overflow
909 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
910 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
914 -- Record of deleted file data
916 CREATE TABLE /*_*/filearchive (
918 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
920 -- Original base filename; key to image.img_name, page.page_title, etc
921 fa_name
varchar(255) binary NOT NULL default '',
923 -- Filename of archived file, if an old revision
924 fa_archive_name
varchar(255) binary default '',
926 -- Which storage bin (directory tree or object store) the file data
927 -- is stored in. Should be 'deleted' for files that have been deleted;
928 -- any other bin is not yet in use.
929 fa_storage_group
varbinary(16),
931 -- SHA-1 of the file contents plus extension, used as a key for storage.
932 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
934 -- If NULL, the file was missing at deletion time or has been purged
935 -- from the archival storage.
936 fa_storage_key
varbinary(64) default '',
938 -- Deletion information, if this file is deleted.
940 fa_deleted_timestamp
binary(14) default '',
941 fa_deleted_reason
varbinary(767) default '',
943 -- Duped fields from image
944 fa_size
int unsigned
default 0,
945 fa_width
int default 0,
946 fa_height
int default 0,
947 fa_metadata mediumblob
,
948 fa_bits
int default 0,
949 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
950 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart", "chemical") default "unknown",
951 fa_minor_mime
varbinary(100) default "unknown",
952 fa_description
varbinary(767),
953 fa_user
int unsigned
default 0,
954 fa_user_text
varchar(255) binary,
955 fa_timestamp
binary(14) default '',
957 -- Visibility of deleted revisions, bitfield
958 fa_deleted tinyint unsigned
NOT NULL default 0,
960 -- sha1 hash of file content
961 fa_sha1
varbinary(32) NOT NULL default ''
962 ) /*$wgDBTableOptions*/;
964 -- pick out by image name
965 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
966 -- pick out dupe files
967 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
968 -- sort by deletion time
969 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
971 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
972 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
973 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
977 -- Store information about newly uploaded files before they're
978 -- moved into the actual filestore
980 CREATE TABLE /*_*/uploadstash (
981 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
983 -- the user who uploaded the file.
984 us_user
int unsigned
NOT NULL,
986 -- file key. this is how applications actually search for the file.
987 -- this might go away, or become the primary key.
988 us_key
varchar(255) NOT NULL,
991 us_orig_path
varchar(255) NOT NULL,
993 -- the temporary path at which the file is actually stored
994 us_path
varchar(255) NOT NULL,
996 -- which type of upload the file came from (sometimes)
997 us_source_type
varchar(50),
999 -- the date/time on which the file was added
1000 us_timestamp
varbinary(14) NOT NULL,
1002 us_status
varchar(50) NOT NULL,
1004 -- chunk counter starts at 0, current offset is stored in us_size
1005 us_chunk_inx
int unsigned
NULL,
1007 -- Serialized file properties from FSFile::getProps()
1010 -- file size in bytes
1011 us_size
int unsigned
NOT NULL,
1012 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
1013 us_sha1
varchar(31) NOT NULL,
1014 us_mime
varchar(255),
1015 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1016 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
1017 -- image-specific properties
1018 us_image_width
int unsigned
,
1019 us_image_height
int unsigned
,
1020 us_image_bits
smallint unsigned
1022 ) /*$wgDBTableOptions*/;
1024 -- sometimes there's a delete for all of a user's stuff.
1025 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1026 -- pick out files by key, enforce key uniqueness
1027 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1028 -- the abandoned upload cleanup script needs this
1029 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1033 -- Primarily a summary table for Special:Recentchanges,
1034 -- this table contains some additional info on edits from
1035 -- the last few days, see Article::editUpdates()
1037 CREATE TABLE /*_*/recentchanges (
1038 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1039 rc_timestamp
varbinary(14) NOT NULL default '',
1042 rc_user
int unsigned
NOT NULL default 0,
1043 rc_user_text
varchar(255) binary NOT NULL,
1045 -- When pages are renamed, their RC entries do _not_ change.
1046 rc_namespace
int NOT NULL default 0,
1047 rc_title
varchar(255) binary NOT NULL default '',
1049 -- as in revision...
1050 rc_comment
varbinary(767) NOT NULL default '',
1051 rc_minor tinyint unsigned
NOT NULL default 0,
1053 -- Edits by user accounts with the 'bot' rights key are
1054 -- marked with a 1 here, and will be hidden from the
1056 rc_bot tinyint unsigned
NOT NULL default 0,
1058 -- Set if this change corresponds to a page creation
1059 rc_new tinyint unsigned
NOT NULL default 0,
1061 -- Key to page_id (was cur_id prior to 1.5).
1062 -- This will keep links working after moves while
1063 -- retaining the at-the-time name in the changes list.
1064 rc_cur_id
int unsigned
NOT NULL default 0,
1066 -- rev_id of the given revision
1067 rc_this_oldid
int unsigned
NOT NULL default 0,
1069 -- rev_id of the prior revision, for generating diff links.
1070 rc_last_oldid
int unsigned
NOT NULL default 0,
1072 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1073 rc_type tinyint unsigned
NOT NULL default 0,
1075 -- The source of the change entry (replaces rc_type)
1076 -- default of '' is temporary, needed for initial migration
1077 rc_source
varchar(16) binary not null default '',
1079 -- If the Recent Changes Patrol option is enabled,
1080 -- users may mark edits as having been reviewed to
1081 -- remove a warning flag on the RC list.
1082 -- A value of 1 indicates the page has been reviewed.
1083 rc_patrolled tinyint unsigned
NOT NULL default 0,
1085 -- Recorded IP address the edit was made from, if the
1086 -- $wgPutIPinRC option is enabled.
1087 rc_ip
varbinary(40) NOT NULL default '',
1089 -- Text length in characters before
1090 -- and after the edit
1094 -- Visibility of recent changes items, bitfield
1095 rc_deleted tinyint unsigned
NOT NULL default 0,
1097 -- Value corresponding to log_id, specific log entries
1098 rc_logid
int unsigned
NOT NULL default 0,
1099 -- Store log type info here, or null
1100 rc_log_type
varbinary(255) NULL default NULL,
1101 -- Store log action or null
1102 rc_log_action
varbinary(255) NULL default NULL,
1105 ) /*$wgDBTableOptions*/;
1107 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1108 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1109 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1110 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1111 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1112 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1113 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1116 CREATE TABLE /*_*/watchlist (
1117 -- Key to user.user_id
1118 wl_user
int unsigned
NOT NULL,
1120 -- Key to page_namespace/page_title
1121 -- Note that users may watch pages which do not exist yet,
1122 -- or existed in the past but have been deleted.
1123 wl_namespace
int NOT NULL default 0,
1124 wl_title
varchar(255) binary NOT NULL default '',
1126 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1127 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1128 -- of the page, which means that they should be sent an e-mail on the next change.
1129 wl_notificationtimestamp
varbinary(14)
1131 ) /*$wgDBTableOptions*/;
1133 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1134 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1135 CREATE INDEX /*i*/wl_user_notificationtimestamp
ON /*_*/watchlist (wl_user
, wl_notificationtimestamp
);
1139 -- When using the default MySQL search backend, page titles
1140 -- and text are munged to strip markup, do Unicode case folding,
1141 -- and prepare the result for MySQL's fulltext index.
1143 -- This table must be MyISAM; InnoDB does not support the needed
1146 CREATE TABLE /*_*/searchindex (
1148 si_page
int unsigned
NOT NULL,
1150 -- Munged version of title
1151 si_title
varchar(255) NOT NULL default '',
1153 -- Munged version of body text
1154 si_text mediumtext
NOT NULL
1155 ) ENGINE
=MyISAM
DEFAULT CHARSET
=utf8
;
1157 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1158 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1159 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1163 -- Recognized interwiki link prefixes
1165 CREATE TABLE /*_*/interwiki (
1166 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1167 iw_prefix
varchar(32) NOT NULL,
1169 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1170 -- Any spaces in the name will be transformed to underscores before
1172 iw_url
blob NOT NULL,
1174 -- The URL of the file api.php
1175 iw_api
blob NOT NULL,
1177 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1178 iw_wikiid
varchar(64) NOT NULL,
1180 -- A boolean value indicating whether the wiki is in this project
1181 -- (used, for example, to detect redirect loops)
1182 iw_local bool
NOT NULL,
1184 -- Boolean value indicating whether interwiki transclusions are allowed.
1185 iw_trans tinyint
NOT NULL default 0
1186 ) /*$wgDBTableOptions*/;
1188 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1192 -- Used for caching expensive grouped queries
1194 CREATE TABLE /*_*/querycache (
1195 -- A key name, generally the base name of of the special page.
1196 qc_type
varbinary(32) NOT NULL,
1198 -- Some sort of stored value. Sizes, counts...
1199 qc_value
int unsigned
NOT NULL default 0,
1201 -- Target namespace+title
1202 qc_namespace
int NOT NULL default 0,
1203 qc_title
varchar(255) binary NOT NULL default ''
1204 ) /*$wgDBTableOptions*/;
1206 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1210 -- For a few generic cache operations if not using Memcached
1212 CREATE TABLE /*_*/objectcache (
1213 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1216 ) /*$wgDBTableOptions*/;
1217 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1221 -- Cache of interwiki transclusion
1223 CREATE TABLE /*_*/transcache (
1224 tc_url
varbinary(255) NOT NULL,
1226 tc_time
binary(14) NOT NULL
1227 ) /*$wgDBTableOptions*/;
1229 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1232 CREATE TABLE /*_*/logging (
1233 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1234 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1236 -- Symbolic keys for the general log type and the action type
1237 -- within the log. The output format will be controlled by the
1238 -- action field, but only the type controls categorization.
1239 log_type
varbinary(32) NOT NULL default '',
1240 log_action
varbinary(32) NOT NULL default '',
1243 log_timestamp
binary(14) NOT NULL default '19700101000000',
1245 -- The user who performed this action; key to user_id
1246 log_user
int unsigned
NOT NULL default 0,
1248 -- Name of the user who performed this action
1249 log_user_text
varchar(255) binary NOT NULL default '',
1251 -- Key to the page affected. Where a user is the target,
1252 -- this will point to the user page.
1253 log_namespace
int NOT NULL default 0,
1254 log_title
varchar(255) binary NOT NULL default '',
1255 log_page
int unsigned
NULL,
1257 -- Freeform text. Interpreted as edit history comments.
1258 log_comment
varbinary(767) NOT NULL default '',
1260 -- miscellaneous parameters:
1261 -- LF separated list (old system) or serialized PHP array (new system)
1262 log_params
blob NOT NULL,
1264 -- rev_deleted for logs
1265 log_deleted tinyint unsigned
NOT NULL default 0
1266 ) /*$wgDBTableOptions*/;
1268 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1269 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1270 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1271 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1272 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1273 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1274 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1275 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1276 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1279 CREATE TABLE /*_*/log_search (
1280 -- The type of ID (rev ID, log ID, rev timestamp, username)
1281 ls_field
varbinary(32) NOT NULL,
1282 -- The value of the ID
1283 ls_value
varchar(255) NOT NULL,
1285 ls_log_id
int unsigned
NOT NULL default 0
1286 ) /*$wgDBTableOptions*/;
1287 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1288 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1291 -- Jobs performed by parallel apache threads or a command-line daemon
1292 CREATE TABLE /*_*/job (
1293 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1296 -- Limited to 60 to prevent key length overflow
1297 job_cmd
varbinary(60) NOT NULL default '',
1299 -- Namespace and title to act on
1300 -- Should be 0 and '' if the command does not operate on a title
1301 job_namespace
int NOT NULL,
1302 job_title
varchar(255) binary NOT NULL,
1304 -- Timestamp of when the job was inserted
1305 -- NULL for jobs added before addition of the timestamp
1306 job_timestamp
varbinary(14) NULL default NULL,
1308 -- Any other parameters to the command
1309 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1310 job_params
blob NOT NULL,
1312 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1313 job_random
integer unsigned
NOT NULL default 0,
1315 -- The number of times this job has been locked
1316 job_attempts
integer unsigned
NOT NULL default 0,
1318 -- Field that conveys process locks on rows via process UUIDs
1319 job_token
varbinary(32) NOT NULL default '',
1321 -- Timestamp when the job was locked
1322 job_token_timestamp
varbinary(14) NULL default NULL,
1324 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1325 job_sha1
varbinary(32) NOT NULL default ''
1326 ) /*$wgDBTableOptions*/;
1328 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1329 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1330 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1331 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1332 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1335 -- Details of updates to cached special pages
1336 CREATE TABLE /*_*/querycache_info (
1337 -- Special page name
1338 -- Corresponds to a qc_type value
1339 qci_type
varbinary(32) NOT NULL default '',
1341 -- Timestamp of last update
1342 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1343 ) /*$wgDBTableOptions*/;
1345 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1348 -- For each redirect, this table contains exactly one row defining its target
1349 CREATE TABLE /*_*/redirect (
1350 -- Key to the page_id of the redirect page
1351 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1353 -- Key to page_namespace/page_title of the target page.
1354 -- The target page may or may not exist, and due to renames
1355 -- and deletions may refer to different page records as time
1357 rd_namespace
int NOT NULL default 0,
1358 rd_title
varchar(255) binary NOT NULL default '',
1359 rd_interwiki
varchar(32) default NULL,
1360 rd_fragment
varchar(255) binary default NULL
1361 ) /*$wgDBTableOptions*/;
1363 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1366 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1367 CREATE TABLE /*_*/querycachetwo (
1368 -- A key name, generally the base name of of the special page.
1369 qcc_type
varbinary(32) NOT NULL,
1371 -- Some sort of stored value. Sizes, counts...
1372 qcc_value
int unsigned
NOT NULL default 0,
1374 -- Target namespace+title
1375 qcc_namespace
int NOT NULL default 0,
1376 qcc_title
varchar(255) binary NOT NULL default '',
1378 -- Target namespace+title2
1379 qcc_namespacetwo
int NOT NULL default 0,
1380 qcc_titletwo
varchar(255) binary NOT NULL default ''
1381 ) /*$wgDBTableOptions*/;
1383 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1384 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1385 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1388 -- Used for storing page restrictions (i.e. protection levels)
1389 CREATE TABLE /*_*/page_restrictions (
1390 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1391 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1392 -- Page to apply restrictions to (Foreign Key to page).
1393 pr_page
int NOT NULL,
1394 -- The protection type (edit, move, etc)
1395 pr_type
varbinary(60) NOT NULL,
1396 -- The protection level (Sysop, autoconfirmed, etc)
1397 pr_level
varbinary(60) NOT NULL,
1398 -- Whether or not to cascade the protection down to pages transcluded.
1399 pr_cascade tinyint
NOT NULL,
1400 -- Field for future support of per-user restriction.
1402 -- Field for time-limited protection.
1403 pr_expiry
varbinary(14) NULL
1404 ) /*$wgDBTableOptions*/;
1406 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1407 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1408 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1409 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1412 -- Protected titles - nonexistent pages that have been protected
1413 CREATE TABLE /*_*/protected_titles (
1414 pt_namespace
int NOT NULL,
1415 pt_title
varchar(255) binary NOT NULL,
1416 pt_user
int unsigned
NOT NULL,
1417 pt_reason
varbinary(767),
1418 pt_timestamp
binary(14) NOT NULL,
1419 pt_expiry
varbinary(14) NOT NULL default '',
1420 pt_create_perm
varbinary(60) NOT NULL
1421 ) /*$wgDBTableOptions*/;
1423 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1424 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1427 -- Name/value pairs indexed by page_id
1428 CREATE TABLE /*_*/page_props (
1429 pp_page
int NOT NULL,
1430 pp_propname
varbinary(60) NOT NULL,
1431 pp_value
blob NOT NULL,
1432 pp_sortkey
float DEFAULT NULL
1433 ) /*$wgDBTableOptions*/;
1435 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1436 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1437 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1439 -- A table to log updates, one text key row per update.
1440 CREATE TABLE /*_*/updatelog (
1441 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1443 ) /*$wgDBTableOptions*/;
1446 -- A table to track tags for revisions, logs and recent changes.
1447 CREATE TABLE /*_*/change_tag (
1448 -- RCID for the change
1450 -- LOGID for the change
1452 -- REVID for the change
1455 ct_tag
varchar(255) NOT NULL,
1456 -- Parameters for the tag, presently unused
1458 ) /*$wgDBTableOptions*/;
1460 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1461 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1462 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1463 -- Covering index, so we can pull all the info only out of the index.
1464 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1467 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1468 -- that only works on MySQL 4.1+
1469 CREATE TABLE /*_*/tag_summary (
1470 -- RCID for the change
1472 -- LOGID for the change
1474 -- REVID for the change
1476 -- Comma-separated list of tags
1477 ts_tags
blob NOT NULL
1478 ) /*$wgDBTableOptions*/;
1480 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1481 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1482 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1485 CREATE TABLE /*_*/valid_tag (
1486 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1487 ) /*$wgDBTableOptions*/;
1489 -- Table for storing localisation data
1490 CREATE TABLE /*_*/l10n_cache (
1492 lc_lang
varbinary(32) NOT NULL,
1494 lc_key
varchar(255) NOT NULL,
1496 lc_value mediumblob
NOT NULL
1497 ) /*$wgDBTableOptions*/;
1498 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1500 -- Table for caching JSON message blobs for the resource loader
1501 CREATE TABLE /*_*/msg_resource (
1503 mr_resource
varbinary(255) NOT NULL,
1505 mr_lang
varbinary(32) NOT NULL,
1507 mr_blob mediumblob
NOT NULL,
1508 -- Timestamp of last update
1509 mr_timestamp
binary(14) NOT NULL
1510 ) /*$wgDBTableOptions*/;
1511 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1513 -- Table for administering which message is contained in which resource
1514 CREATE TABLE /*_*/msg_resource_links (
1515 mrl_resource
varbinary(255) NOT NULL,
1517 mrl_message
varbinary(255) NOT NULL
1518 ) /*$wgDBTableOptions*/;
1519 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1521 -- Table caching which local files a module depends on that aren't
1522 -- registered directly, used for fast retrieval of file dependency.
1523 -- Currently only used for tracking images that CSS depends on
1524 CREATE TABLE /*_*/module_deps (
1526 md_module
varbinary(255) NOT NULL,
1527 -- Module context vary (includes skin and language; called "md_skin" for legacy reasons)
1528 md_skin
varbinary(32) NOT NULL,
1529 -- JSON blob with file dependencies
1530 md_deps mediumblob
NOT NULL
1531 ) /*$wgDBTableOptions*/;
1532 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1534 -- Holds all the sites known to the wiki.
1535 CREATE TABLE /*_*/sites (
1536 -- Numeric id of the site
1537 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1539 -- Global identifier for the site, ie 'enwiktionary'
1540 site_global_key
varbinary(32) NOT NULL,
1542 -- Type of the site, ie 'mediawiki'
1543 site_type
varbinary(32) NOT NULL,
1545 -- Group of the site, ie 'wikipedia'
1546 site_group
varbinary(32) NOT NULL,
1548 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1549 site_source
varbinary(32) NOT NULL,
1551 -- Language code of the sites primary language.
1552 site_language
varbinary(32) NOT NULL,
1554 -- Protocol of the site, ie 'http://', 'irc://', '//'
1555 -- This field is an index for lookups and is build from type specific data in site_data.
1556 site_protocol
varbinary(32) NOT NULL,
1558 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1559 -- This field is an index for lookups and is build from type specific data in site_data.
1560 site_domain
VARCHAR(255) NOT NULL,
1562 -- Type dependent site data.
1563 site_data
BLOB NOT NULL,
1565 -- If site.tld/path/key:pageTitle should forward users to the page on
1566 -- the actual site, where "key" is the local identifier.
1567 site_forward bool
NOT NULL,
1569 -- Type dependent site config.
1570 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1571 site_config
BLOB NOT NULL
1572 ) /*$wgDBTableOptions*/;
1574 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1575 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1576 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1577 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1578 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1579 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1580 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1581 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1583 -- Links local site identifiers to their corresponding site.
1584 CREATE TABLE /*_*/site_identifiers (
1585 -- Key on site.site_id
1586 si_site
INT UNSIGNED
NOT NULL,
1588 -- local key type, ie 'interwiki' or 'langlink'
1589 si_type
varbinary(32) NOT NULL,
1591 -- local key value, ie 'en' or 'wiktionary'
1592 si_key
varbinary(32) NOT NULL
1593 ) /*$wgDBTableOptions*/;
1595 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1596 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1597 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1599 -- vim: sw=2 sts=2 et