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.
10 -- If possible, create tables as InnoDB to benefit from the
11 -- superior resiliency against crashes and ability to read
12 -- during writes (and write during reads!)
14 -- Only the 'searchindex' table requires MyISAM due to the
15 -- requirement for fulltext index support, which is missing
19 -- The MySQL table backend for MediaWiki currently uses
20 -- 14-character BINARY or VARBINARY fields to store timestamps.
21 -- The format is YYYYMMDDHHMMSS, which is derived from the
22 -- text format of MySQL's TIMESTAMP fields.
24 -- Historically TIMESTAMP fields were used, but abandoned
25 -- in early 2002 after a lot of trouble with the fields
28 -- The Postgres backend uses DATETIME fields for timestamps,
29 -- and we will migrate the MySQL definitions at some point as
33 -- The /*_*/ comments in this and other files are
34 -- replaced with the defined table prefix by the installer
35 -- and updater scripts. If you are installing or running
36 -- updates manually, you will need to manually insert the
37 -- table prefix if any when running these scripts.
42 -- The user table contains basic account information,
43 -- authentication keys, etc.
45 -- Some multi-wiki sites may share a single central user table
46 -- between separate wikis using the $wgSharedDB setting.
48 -- Note that when a external authentication plugin is used,
49 -- user table entries still need to be created to store
50 -- preferences and to key tracking information in the other
53 CREATE TABLE /*_*/user (
54 user_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
56 -- Usernames must be unique, must not be in the form of
57 -- an IP address. _Shouldn't_ allow slashes or case
58 -- conflicts. Spaces are allowed, and are _not_ converted
59 -- to underscores like titles. See the User::newFromName() for
60 -- the specific tests that usernames have to pass.
61 user_name
varchar(255) binary NOT NULL default '',
63 -- Optional 'real name' to be displayed in credit listings
64 user_real_name
varchar(255) binary NOT NULL default '',
66 -- Password hashes, see User::crypt() and User::comparePasswords()
67 -- in User.php for the algorithm
68 user_password tinyblob
NOT NULL,
70 -- When using 'mail me a new password', a random
71 -- password is generated and the hash stored here.
72 -- The previous password is left in place until
73 -- someone actually logs in with the new password,
74 -- at which point the hash is moved to user_password
75 -- and the old password is invalidated.
76 user_newpassword tinyblob
NOT NULL,
78 -- Timestamp of the last time when a new password was
79 -- sent, for throttling and expiring purposes
80 -- Emailed passwords will expire $wgNewPasswordExpiry
81 -- (a week) after being set. If user_newpass_time is NULL
82 -- (eg. created by mail) it doesn't expire.
83 user_newpass_time
binary(14),
85 -- Note: email should be restricted, not public info.
86 -- Same with passwords.
87 user_email tinytext
NOT NULL,
89 -- This is a timestamp which is updated when a user
90 -- logs in, logs out, changes preferences, or performs
91 -- some other action requiring HTML cache invalidation
92 -- to ensure that the UI is updated.
93 user_touched
binary(14) NOT NULL default '',
95 -- A pseudorandomly generated value that is stored in
96 -- a cookie when the "remember password" feature is
97 -- used (previously, a hash of the password was used, but
98 -- this was vulnerable to cookie-stealing attacks)
99 user_token
binary(32) NOT NULL default '',
101 -- Initially NULL; when a user's e-mail address has been
102 -- validated by returning with a mailed token, this is
103 -- set to the current timestamp.
104 user_email_authenticated
binary(14),
106 -- Randomly generated token created when the e-mail address
107 -- is set and a confirmation test mail sent.
108 user_email_token
binary(32),
110 -- Expiration date for the user_email_token
111 user_email_token_expires
binary(14),
113 -- Timestamp of account registration.
114 -- Accounts predating this schema addition may contain NULL.
115 user_registration
binary(14),
117 -- Count of edits and edit-like actions.
119 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
120 -- May contain NULL for old accounts if batch-update scripts haven't been
121 -- run, as well as listing deleted edits and other myriad ways it could be
124 -- Meant primarily for heuristic checks to give an impression of whether
125 -- the account has been used much.
128 ) /*$wgDBTableOptions*/;
130 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
131 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
132 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50));
136 -- User permissions have been broken out to a separate table;
137 -- this allows sites with a shared user table to have different
138 -- permissions assigned to a user in each project.
140 -- This table replaces the old user_rights field which used a
141 -- comma-separated blob.
143 CREATE TABLE /*_*/user_groups (
145 ug_user
int unsigned
NOT NULL default 0,
147 -- Group names are short symbolic string keys.
148 -- The set of group names is open-ended, though in practice
149 -- only some predefined ones are likely to be used.
151 -- At runtime $wgGroupPermissions will associate group keys
152 -- with particular permissions. A user will have the combined
153 -- permissions of any group they're explicitly in, plus
154 -- the implicit '*' and 'user' groups.
155 ug_group
varbinary(16) NOT NULL default ''
156 ) /*$wgDBTableOptions*/;
158 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
159 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
161 -- Stores the groups the user has once belonged to.
162 -- The user may still belong these groups. Check user_groups.
163 CREATE TABLE /*_*/user_former_groups (
165 ufg_user
int unsigned
NOT NULL default 0,
166 ufg_group
varbinary(16) NOT NULL default ''
167 ) /*$wgDBTableOptions*/;
169 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
172 -- Stores notifications of user talk page changes, for the display
173 -- of the "you have new messages" box
175 CREATE TABLE /*_*/user_newtalk (
176 -- Key to user.user_id
177 user_id
int NOT NULL default 0,
178 -- If the user is an anonymous user their IP address is stored here
179 -- since the user_id of 0 is ambiguous
180 user_ip
varbinary(40) NOT NULL default '',
181 -- The highest timestamp of revisions of the talk page viewed
183 user_last_timestamp
varbinary(14) NULL default NULL
184 ) /*$wgDBTableOptions*/;
186 -- Indexes renamed for SQLite in 1.14
187 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
188 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
192 -- User preferences and perhaps other fun stuff. :)
193 -- Replaces the old user.user_options blob, with a couple nice properties:
195 -- 1) We only store non-default settings, so changes to the defauls
196 -- are now reflected for everybody, not just new accounts.
197 -- 2) We can more easily do bulk lookups, statistics, or modifications of
198 -- saved options since it's a sane table structure.
200 CREATE TABLE /*_*/user_properties (
201 -- Foreign key to user.user_id
202 up_user
int NOT NULL,
204 -- Name of the option being saved. This is indexed for bulk lookup.
205 up_property
varbinary(255) NOT NULL,
207 -- Property value as a string.
209 ) /*$wgDBTableOptions*/;
211 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
212 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
215 -- Core of the wiki: each page has an entry here which identifies
216 -- it by title and contains some essential metadata.
218 CREATE TABLE /*_*/page (
219 -- Unique identifier number. The page_id will be preserved across
220 -- edits and rename operations, but not deletions and recreations.
221 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
223 -- A page name is broken into a namespace and a title.
224 -- The namespace keys are UI-language-independent constants,
225 -- defined in includes/Defines.php
226 page_namespace
int NOT NULL,
228 -- The rest of the title, as text.
229 -- Spaces are transformed into underscores in title storage.
230 page_title
varchar(255) binary NOT NULL,
232 -- Comma-separated set of permission keys indicating who
233 -- can move or edit the page.
234 page_restrictions tinyblob
NOT NULL,
236 -- Number of times this page has been viewed.
237 page_counter
bigint unsigned
NOT NULL default 0,
239 -- 1 indicates the article is a redirect.
240 page_is_redirect tinyint unsigned
NOT NULL default 0,
242 -- 1 indicates this is a new entry, with only one edit.
243 -- Not all pages with one edit are new pages.
244 page_is_new tinyint unsigned
NOT NULL default 0,
246 -- Random value between 0 and 1, used for Special:Randompage
247 page_random
real unsigned
NOT NULL,
249 -- This timestamp is updated whenever the page changes in
250 -- a way requiring it to be re-rendered, invalidating caches.
251 -- Aside from editing this includes permission changes,
252 -- creation or deletion of linked pages, and alteration
253 -- of contained templates.
254 page_touched
binary(14) NOT NULL default '',
256 -- Handy key to revision.rev_id of the current revision.
257 -- This may be 0 during page creation, but that shouldn't
258 -- happen outside of a transaction... hopefully.
259 page_latest
int unsigned
NOT NULL,
261 -- Uncompressed length in bytes of the page's current source text.
262 page_len
int unsigned
NOT NULL
263 ) /*$wgDBTableOptions*/;
265 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
266 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
267 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
271 -- Every edit of a page creates also a revision row.
272 -- This stores metadata about the revision, and a reference
273 -- to the text storage backend.
275 CREATE TABLE /*_*/revision (
276 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
278 -- Key to page_id. This should _never_ be invalid.
279 rev_page
int unsigned
NOT NULL,
281 -- Key to text.old_id, where the actual bulk text is stored.
282 -- It's possible for multiple revisions to use the same text,
283 -- for instance revisions where only metadata is altered
284 -- or a rollback to a previous version.
285 rev_text_id
int unsigned
NOT NULL,
287 -- Text comment summarizing the change.
288 -- This text is shown in the history and other changes lists,
289 -- rendered in a subset of wiki markup by Linker::formatComment()
290 rev_comment tinyblob
NOT NULL,
292 -- Key to user.user_id of the user who made this edit.
293 -- Stores 0 for anonymous edits and for some mass imports.
294 rev_user
int unsigned
NOT NULL default 0,
296 -- Text username or IP address of the editor.
297 rev_user_text
varchar(255) binary NOT NULL default '',
300 rev_timestamp
binary(14) NOT NULL default '',
302 -- Records whether the user marked the 'minor edit' checkbox.
303 -- Many automated edits are marked as minor.
304 rev_minor_edit tinyint unsigned
NOT NULL default 0,
306 -- Not yet used; reserved for future changes to the deletion system.
307 rev_deleted tinyint unsigned
NOT NULL default 0,
309 -- Length of this revision in bytes
310 rev_len
int unsigned
,
312 -- Key to revision.rev_id
313 -- This field is used to add support for a tree structure (The Adjacency List Model)
314 rev_parent_id
int unsigned
default NULL
316 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
317 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
319 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
320 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
321 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
322 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
323 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
326 -- Holds text of individual page revisions.
328 -- Field names are a holdover from the 'old' revisions table in
329 -- MediaWiki 1.4 and earlier: an upgrade will transform that
330 -- table into the 'text' table to minimize unnecessary churning
331 -- and downtime. If upgrading, the other fields will be left unused.
333 CREATE TABLE /*_*/text (
334 -- Unique text storage key number.
335 -- Note that the 'oldid' parameter used in URLs does *not*
336 -- refer to this number anymore, but to rev_id.
338 -- revision.rev_text_id is a key to this column
339 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
341 -- Depending on the contents of the old_flags field, the text
342 -- may be convenient plain text, or it may be funkily encoded.
343 old_text mediumblob
NOT NULL,
345 -- Comma-separated list of flags:
346 -- gzip: text is compressed with PHP's gzdeflate() function.
347 -- utf8: text was stored as UTF-8.
348 -- If $wgLegacyEncoding option is on, rows *without* this flag
349 -- will be converted to UTF-8 transparently at load time.
350 -- object: text field contained a serialized PHP object.
351 -- The object either contains multiple versions compressed
352 -- together to achieve a better compression ratio, or it refers
353 -- to another row where the text can be found.
354 old_flags tinyblob
NOT NULL
355 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
356 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
360 -- Holding area for deleted articles, which may be viewed
361 -- or restored by admins through the Special:Undelete interface.
362 -- The fields generally correspond to the page, revision, and text
363 -- fields, with several caveats.
365 CREATE TABLE /*_*/archive (
366 ar_namespace
int NOT NULL default 0,
367 ar_title
varchar(255) binary NOT NULL default '',
369 -- Newly deleted pages will not store text in this table,
370 -- but will reference the separately existing text rows.
371 -- This field is retained for backwards compatibility,
372 -- so old archived pages will remain accessible after
373 -- upgrading from 1.4 to 1.5.
374 -- Text may be gzipped or otherwise funky.
375 ar_text mediumblob
NOT NULL,
377 -- Basic revision stuff...
378 ar_comment tinyblob
NOT NULL,
379 ar_user
int unsigned
NOT NULL default 0,
380 ar_user_text
varchar(255) binary NOT NULL,
381 ar_timestamp
binary(14) NOT NULL default '',
382 ar_minor_edit tinyint
NOT NULL default 0,
385 ar_flags tinyblob
NOT NULL,
387 -- When revisions are deleted, their unique rev_id is stored
388 -- here so it can be retained after undeletion. This is necessary
389 -- to retain permalinks to given revisions after accidental delete
390 -- cycles or messy operations like history merges.
392 -- Old entries from 1.4 will be NULL here, and a new rev_id will
393 -- be created on undeletion for those revisions.
394 ar_rev_id
int unsigned
,
396 -- For newly deleted revisions, this is the text.old_id key to the
397 -- actual stored text. To avoid breaking the block-compression scheme
398 -- and otherwise making storage changes harder, the actual text is
399 -- *not* deleted from the text table, merely hidden by removal of the
400 -- page and revision entries.
402 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
403 -- ar_text and ar_flags fields will be used to create a new text
404 -- row upon undeletion.
405 ar_text_id
int unsigned
,
407 -- rev_deleted for archives
408 ar_deleted tinyint unsigned
NOT NULL default 0,
410 -- Length of this revision in bytes
413 -- Reference to page_id. Useful for sysadmin fixing of large pages
414 -- merged together in the archives, or for cleanly restoring a page
415 -- at its original ID number if possible.
417 -- Will be NULL for pages deleted prior to 1.11.
418 ar_page_id
int unsigned
,
420 -- Original previous revision
421 ar_parent_id
int unsigned
default NULL
422 ) /*$wgDBTableOptions*/;
424 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
425 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
426 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
430 -- Track page-to-page hyperlinks within the wiki.
432 CREATE TABLE /*_*/pagelinks (
433 -- Key to the page_id of the page containing the link.
434 pl_from
int unsigned
NOT NULL default 0,
436 -- Key to page_namespace/page_title of the target page.
437 -- The target page may or may not exist, and due to renames
438 -- and deletions may refer to different page records as time
440 pl_namespace
int NOT NULL default 0,
441 pl_title
varchar(255) binary NOT NULL default ''
442 ) /*$wgDBTableOptions*/;
444 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
445 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
449 -- Track template inclusions.
451 CREATE TABLE /*_*/templatelinks (
452 -- Key to the page_id of the page containing the link.
453 tl_from
int unsigned
NOT NULL default 0,
455 -- Key to page_namespace/page_title of the target page.
456 -- The target page may or may not exist, and due to renames
457 -- and deletions may refer to different page records as time
459 tl_namespace
int NOT NULL default 0,
460 tl_title
varchar(255) binary NOT NULL default ''
461 ) /*$wgDBTableOptions*/;
463 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
464 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
468 -- Track links to images *used inline*
469 -- We don't distinguish live from broken links here, so
470 -- they do not need to be changed on upload/removal.
472 CREATE TABLE /*_*/imagelinks (
473 -- Key to page_id of the page containing the image / media link.
474 il_from
int unsigned
NOT NULL default 0,
476 -- Filename of target image.
477 -- This is also the page_title of the file's description page;
478 -- all such pages are in namespace 6 (NS_FILE).
479 il_to
varchar(255) binary NOT NULL default ''
480 ) /*$wgDBTableOptions*/;
482 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
483 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
487 -- Track category inclusions *used inline*
488 -- This tracks a single level of category membership
490 CREATE TABLE /*_*/categorylinks (
491 -- Key to page_id of the page defined as a category member.
492 cl_from
int unsigned
NOT NULL default 0,
494 -- Name of the category.
495 -- This is also the page_title of the category's description page;
496 -- all such pages are in namespace 14 (NS_CATEGORY).
497 cl_to
varchar(255) binary NOT NULL default '',
499 -- A binary string obtained by applying a sortkey generation algorithm
500 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
501 -- . page_title if cl_sortkey_prefix is nonempty.
502 cl_sortkey
varbinary(230) NOT NULL default '',
504 -- A prefix for the raw sortkey manually specified by the user, either via
505 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
506 -- concatenated with a line break followed by the page title before the sortkey
507 -- conversion algorithm is run. We store this so that we can update
508 -- collations without reparsing all pages.
509 -- Note: If you change the length of this field, you also need to change
510 -- code in LinksUpdate.php. See bug 25254.
511 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
513 -- This isn't really used at present. Provided for an optional
514 -- sorting method by approximate addition time.
515 cl_timestamp
timestamp NOT NULL,
517 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
518 -- can be used to install new collation versions, tracking which rows are not
519 -- yet updated. '' means no collation, this is a legacy row that needs to be
520 -- updated by updateCollation.php. In the future, it might be possible to
521 -- specify different collations per category.
522 cl_collation
varbinary(32) NOT NULL default '',
524 -- Stores whether cl_from is a category, file, or other page, so we can
525 -- paginate the three categories separately. This never has to be updated
526 -- after the page is created, since none of these page types can be moved to
528 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
529 ) /*$wgDBTableOptions*/;
531 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
533 -- We always sort within a given category, and within a given type. FIXME:
534 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
535 -- callers won't be using an index: fix this?
536 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
539 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
541 -- For finding rows with outdated collation
542 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
545 -- Track all existing categories. Something is a category if 1) it has an en-
546 -- try somewhere in categorylinks, or 2) it once did. Categories might not
547 -- have corresponding pages, so they need to be tracked separately.
549 CREATE TABLE /*_*/category (
551 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
553 -- Name of the category, in the same form as page_title (with underscores).
554 -- If there is a category page corresponding to this category, by definition,
555 -- it has this name (in the Category namespace).
556 cat_title
varchar(255) binary NOT NULL,
558 -- The numbers of member pages (including categories and media), subcatego-
559 -- ries, and Image: namespace members, respectively. These are signed to
560 -- make underflow more obvious. We make the first number include the second
561 -- two for better sorting: subtracting for display is easy, adding for order-
563 cat_pages
int signed
NOT NULL default 0,
564 cat_subcats
int signed
NOT NULL default 0,
565 cat_files
int signed
NOT NULL default 0,
567 -- Reserved for future use
568 cat_hidden tinyint unsigned
NOT NULL default 0
569 ) /*$wgDBTableOptions*/;
571 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
573 -- For Special:Mostlinkedcategories
574 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
578 -- Track links to external URLs
580 CREATE TABLE /*_*/externallinks (
581 -- page_id of the referring page
582 el_from
int unsigned
NOT NULL default 0,
587 -- In the case of HTTP URLs, this is the URL with any username or password
588 -- removed, and with the labels in the hostname reversed and converted to
589 -- lower case. An extra dot is added to allow for matching of either
590 -- example.com or *.example.com in a single scan.
592 -- http://user:password@sub.example.com/page.html
594 -- http://com.example.sub./page.html
595 -- which allows for fast searching for all pages under example.com with the
597 -- WHERE el_index LIKE 'http://com.example.%'
598 el_index
blob NOT NULL
599 ) /*$wgDBTableOptions*/;
601 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
602 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
603 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
607 -- Track external user accounts, if ExternalAuth is used
609 CREATE TABLE /*_*/external_user (
610 -- Foreign key to user_id
611 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
613 -- Some opaque identifier provided by the external database
614 eu_external_id
varchar(255) binary NOT NULL
615 ) /*$wgDBTableOptions*/;
617 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
621 -- Track interlanguage links
623 CREATE TABLE /*_*/langlinks (
624 -- page_id of the referring page
625 ll_from
int unsigned
NOT NULL default 0,
627 -- Language code of the target
628 ll_lang
varbinary(20) NOT NULL default '',
630 -- Title of the target, including namespace
631 ll_title
varchar(255) binary NOT NULL default ''
632 ) /*$wgDBTableOptions*/;
634 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
635 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
639 -- Track inline interwiki links
641 CREATE TABLE /*_*/iwlinks (
642 -- page_id of the referring page
643 iwl_from
int unsigned
NOT NULL default 0,
645 -- Interwiki prefix code of the target
646 iwl_prefix
varbinary(20) NOT NULL default '',
648 -- Title of the target, including namespace
649 iwl_title
varchar(255) binary NOT NULL default ''
650 ) /*$wgDBTableOptions*/;
652 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
653 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
657 -- Contains a single row with some aggregate info
658 -- on the state of the site.
660 CREATE TABLE /*_*/site_stats (
661 -- The single row should contain 1 here.
662 ss_row_id
int unsigned
NOT NULL,
664 -- Total number of page views, if hit counters are enabled.
665 ss_total_views
bigint unsigned
default 0,
667 -- Total number of edits performed.
668 ss_total_edits
bigint unsigned
default 0,
670 -- An approximate count of pages matching the following criteria:
673 -- * contains the text '[['
674 -- See Article::isCountable() in includes/Article.php
675 ss_good_articles
bigint unsigned
default 0,
677 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
678 ss_total_pages
bigint default '-1',
680 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
681 ss_users
bigint default '-1',
683 -- Number of users that still edit
684 ss_active_users
bigint default '-1',
686 -- Deprecated, no longer updated as of 1.5
687 ss_admins
int default '-1',
689 -- Number of images, equivalent to SELECT COUNT(*) FROM image
690 ss_images
int default 0
691 ) /*$wgDBTableOptions*/;
693 -- Pointless index to assuage developer superstitions
694 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
698 -- Stores an ID for every time any article is visited;
699 -- depending on $wgHitcounterUpdateFreq, it is
700 -- periodically cleared and the page_counter column
701 -- in the page table updated for all the articles
702 -- that have been visited.)
704 CREATE TABLE /*_*/hitcounter (
705 hc_id
int unsigned
NOT NULL
706 ) ENGINE
=HEAP MAX_ROWS
=25000;
710 -- The internet is full of jerks, alas. Sometimes it's handy
711 -- to block a vandal or troll account.
713 CREATE TABLE /*_*/ipblocks (
714 -- Primary key, introduced for privacy.
715 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
717 -- Blocked IP address in dotted-quad form or user name.
718 ipb_address tinyblob
NOT NULL,
720 -- Blocked user ID or 0 for IP blocks.
721 ipb_user
int unsigned
NOT NULL default 0,
723 -- User ID who made the block.
724 ipb_by
int unsigned
NOT NULL default 0,
726 -- User name of blocker
727 ipb_by_text
varchar(255) binary NOT NULL default '',
729 -- Text comment made by blocker.
730 ipb_reason tinyblob
NOT NULL,
732 -- Creation (or refresh) date in standard YMDHMS form.
733 -- IP blocks expire automatically.
734 ipb_timestamp
binary(14) NOT NULL default '',
736 -- Indicates that the IP address was banned because a banned
737 -- user accessed a page through it. If this is 1, ipb_address
738 -- will be hidden, and the block identified by block ID number.
739 ipb_auto bool
NOT NULL default 0,
741 -- If set to 1, block applies only to logged-out users
742 ipb_anon_only bool
NOT NULL default 0,
744 -- Block prevents account creation from matching IP addresses
745 ipb_create_account bool
NOT NULL default 1,
747 -- Block triggers autoblocks
748 ipb_enable_autoblock bool
NOT NULL default '1',
750 -- Time at which the block will expire.
752 ipb_expiry
varbinary(14) NOT NULL default '',
754 -- Start and end of an address range, in hexadecimal
755 -- Size chosen to allow IPv6
756 ipb_range_start tinyblob
NOT NULL,
757 ipb_range_end tinyblob
NOT NULL,
759 -- Flag for entries hidden from users and Sysops
760 ipb_deleted bool
NOT NULL default 0,
762 -- Block prevents user from accessing Special:Emailuser
763 ipb_block_email bool
NOT NULL default 0,
765 -- Block allows user to edit their own talk page
766 ipb_allow_usertalk bool
NOT NULL default 0
768 ) /*$wgDBTableOptions*/;
770 -- Unique index to support "user already blocked" messages
771 -- Any new options which prevent collisions should be included
772 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
774 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
775 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
776 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
777 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
781 -- Uploaded images and other files.
783 CREATE TABLE /*_*/image (
785 -- This is also the title of the associated description page,
786 -- which will be in namespace 6 (NS_FILE).
787 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
789 -- File size in bytes.
790 img_size
int unsigned
NOT NULL default 0,
792 -- For images, size in pixels.
793 img_width
int NOT NULL default 0,
794 img_height
int NOT NULL default 0,
796 -- Extracted EXIF metadata stored as a serialized PHP array.
797 img_metadata mediumblob
NOT NULL,
799 -- For images, bits per pixel if known.
800 img_bits
int NOT NULL default 0,
802 -- Media type as defined by the MEDIATYPE_xxx constants
803 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
805 -- major part of a MIME media type as defined by IANA
806 -- see http://www.iana.org/assignments/media-types/
807 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
809 -- minor part of a MIME media type as defined by IANA
810 -- the minor parts are not required to adher to any standard
811 -- but should be consistent throughout the database
812 -- see http://www.iana.org/assignments/media-types/
813 img_minor_mime
varbinary(100) NOT NULL default "unknown",
815 -- Description field as entered by the uploader.
816 -- This is displayed in image upload history and logs.
817 img_description tinyblob
NOT NULL,
819 -- user_id and user_name of uploader.
820 img_user
int unsigned
NOT NULL default 0,
821 img_user_text
varchar(255) binary NOT NULL,
823 -- Time of the upload.
824 img_timestamp
varbinary(14) NOT NULL default '',
826 -- SHA-1 content hash in base-36
827 img_sha1
varbinary(32) NOT NULL default ''
828 ) /*$wgDBTableOptions*/;
830 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
831 -- Used by Special:ListFiles for sort-by-size
832 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
833 -- Used by Special:Newimages and Special:ListFiles
834 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
835 -- Used in API and duplicate search
836 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
840 -- Previous revisions of uploaded files.
841 -- Awkwardly, image rows have to be moved into
842 -- this table at re-upload time.
844 CREATE TABLE /*_*/oldimage (
845 -- Base filename: key to image.img_name
846 oi_name
varchar(255) binary NOT NULL default '',
848 -- Filename of the archived file.
849 -- This is generally a timestamp and '!' prepended to the base name.
850 oi_archive_name
varchar(255) binary NOT NULL default '',
852 -- Other fields as in image...
853 oi_size
int unsigned
NOT NULL default 0,
854 oi_width
int NOT NULL default 0,
855 oi_height
int NOT NULL default 0,
856 oi_bits
int NOT NULL default 0,
857 oi_description tinyblob
NOT NULL,
858 oi_user
int unsigned
NOT NULL default 0,
859 oi_user_text
varchar(255) binary NOT NULL,
860 oi_timestamp
binary(14) NOT NULL default '',
862 oi_metadata mediumblob
NOT NULL,
863 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
864 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
865 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
866 oi_deleted tinyint unsigned
NOT NULL default 0,
867 oi_sha1
varbinary(32) NOT NULL default ''
868 ) /*$wgDBTableOptions*/;
870 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
871 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
872 -- oi_archive_name truncated to 14 to avoid key length overflow
873 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
874 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
878 -- Record of deleted file data
880 CREATE TABLE /*_*/filearchive (
882 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
884 -- Original base filename; key to image.img_name, page.page_title, etc
885 fa_name
varchar(255) binary NOT NULL default '',
887 -- Filename of archived file, if an old revision
888 fa_archive_name
varchar(255) binary default '',
890 -- Which storage bin (directory tree or object store) the file data
891 -- is stored in. Should be 'deleted' for files that have been deleted;
892 -- any other bin is not yet in use.
893 fa_storage_group
varbinary(16),
895 -- SHA-1 of the file contents plus extension, used as a key for storage.
896 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
898 -- If NULL, the file was missing at deletion time or has been purged
899 -- from the archival storage.
900 fa_storage_key
varbinary(64) default '',
902 -- Deletion information, if this file is deleted.
904 fa_deleted_timestamp
binary(14) default '',
905 fa_deleted_reason
text,
907 -- Duped fields from image
908 fa_size
int unsigned
default 0,
909 fa_width
int default 0,
910 fa_height
int default 0,
911 fa_metadata mediumblob
,
912 fa_bits
int default 0,
913 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
914 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
915 fa_minor_mime
varbinary(100) default "unknown",
916 fa_description tinyblob
,
917 fa_user
int unsigned
default 0,
918 fa_user_text
varchar(255) binary,
919 fa_timestamp
binary(14) default '',
921 -- Visibility of deleted revisions, bitfield
922 fa_deleted tinyint unsigned
NOT NULL default 0
923 ) /*$wgDBTableOptions*/;
925 -- pick out by image name
926 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
927 -- pick out dupe files
928 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
929 -- sort by deletion time
930 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
932 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
936 -- Store information about newly uploaded files before they're
937 -- moved into the actual filestore
939 CREATE TABLE /*_*/uploadstash (
940 us_id
int unsigned
NOT NULL PRIMARY KEY auto_increment
,
942 -- the user who uploaded the file.
943 us_user
int unsigned
NOT NULL,
945 -- file key. this is how applications actually search for the file.
946 -- this might go away, or become the primary key.
947 us_key
varchar(255) NOT NULL,
950 us_orig_path
varchar(255) NOT NULL,
952 -- the temporary path at which the file is actually stored
953 us_path
varchar(255) NOT NULL,
955 -- which type of upload the file came from (sometimes)
956 us_source_type
varchar(50),
958 -- the date/time on which the file was added
959 us_timestamp
varbinary(14) not null,
961 us_status
varchar(50) not null,
963 -- file properties from File::getPropsFromPath. these may prove unnecessary.
965 us_size
int unsigned
NOT NULL,
966 -- this hash comes from File::sha1Base36(), and is 31 characters
967 us_sha1
varchar(31) NOT NULL,
968 us_mime
varchar(255),
969 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
970 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
971 -- image-specific properties
972 us_image_width
int unsigned
,
973 us_image_height
int unsigned
,
974 us_image_bits
smallint unsigned
976 ) /*$wgDBTableOptions*/;
978 -- sometimes there's a delete for all of a user's stuff.
979 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
980 -- pick out files by key, enforce key uniqueness
981 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
982 -- the abandoned upload cleanup script needs this
983 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
987 -- Primarily a summary table for Special:Recentchanges,
988 -- this table contains some additional info on edits from
989 -- the last few days, see Article::editUpdates()
991 CREATE TABLE /*_*/recentchanges (
992 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
993 rc_timestamp
varbinary(14) NOT NULL default '',
994 rc_cur_time
varbinary(14) NOT NULL default '',
997 rc_user
int unsigned
NOT NULL default 0,
998 rc_user_text
varchar(255) binary NOT NULL,
1000 -- When pages are renamed, their RC entries do _not_ change.
1001 rc_namespace
int NOT NULL default 0,
1002 rc_title
varchar(255) binary NOT NULL default '',
1004 -- as in revision...
1005 rc_comment
varchar(255) binary NOT NULL default '',
1006 rc_minor tinyint unsigned
NOT NULL default 0,
1008 -- Edits by user accounts with the 'bot' rights key are
1009 -- marked with a 1 here, and will be hidden from the
1011 rc_bot tinyint unsigned
NOT NULL default 0,
1013 rc_new tinyint unsigned
NOT NULL default 0,
1015 -- Key to page_id (was cur_id prior to 1.5).
1016 -- This will keep links working after moves while
1017 -- retaining the at-the-time name in the changes list.
1018 rc_cur_id
int unsigned
NOT NULL default 0,
1020 -- rev_id of the given revision
1021 rc_this_oldid
int unsigned
NOT NULL default 0,
1023 -- rev_id of the prior revision, for generating diff links.
1024 rc_last_oldid
int unsigned
NOT NULL default 0,
1026 -- These may no longer be used, with the new move log.
1027 rc_type tinyint unsigned
NOT NULL default 0,
1028 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
1029 rc_moved_to_title
varchar(255) binary NOT NULL default '',
1031 -- If the Recent Changes Patrol option is enabled,
1032 -- users may mark edits as having been reviewed to
1033 -- remove a warning flag on the RC list.
1034 -- A value of 1 indicates the page has been reviewed.
1035 rc_patrolled tinyint unsigned
NOT NULL default 0,
1037 -- Recorded IP address the edit was made from, if the
1038 -- $wgPutIPinRC option is enabled.
1039 rc_ip
varbinary(40) NOT NULL default '',
1041 -- Text length in characters before
1042 -- and after the edit
1046 -- Visibility of recent changes items, bitfield
1047 rc_deleted tinyint unsigned
NOT NULL default 0,
1049 -- Value corresonding to log_id, specific log entries
1050 rc_logid
int unsigned
NOT NULL default 0,
1051 -- Store log type info here, or null
1052 rc_log_type
varbinary(255) NULL default NULL,
1053 -- Store log action or null
1054 rc_log_action
varbinary(255) NULL default NULL,
1057 ) /*$wgDBTableOptions*/;
1059 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1060 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1061 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1062 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1063 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1064 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1065 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1068 CREATE TABLE /*_*/watchlist (
1069 -- Key to user.user_id
1070 wl_user
int unsigned
NOT NULL,
1072 -- Key to page_namespace/page_title
1073 -- Note that users may watch pages which do not exist yet,
1074 -- or existed in the past but have been deleted.
1075 wl_namespace
int NOT NULL default 0,
1076 wl_title
varchar(255) binary NOT NULL default '',
1078 -- Timestamp when user was last sent a notification e-mail;
1079 -- cleared when the user visits the page.
1080 wl_notificationtimestamp
varbinary(14)
1082 ) /*$wgDBTableOptions*/;
1084 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1085 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1089 -- When using the default MySQL search backend, page titles
1090 -- and text are munged to strip markup, do Unicode case folding,
1091 -- and prepare the result for MySQL's fulltext index.
1093 -- This table must be MyISAM; InnoDB does not support the needed
1096 CREATE TABLE /*_*/searchindex (
1098 si_page
int unsigned
NOT NULL,
1100 -- Munged version of title
1101 si_title
varchar(255) NOT NULL default '',
1103 -- Munged version of body text
1104 si_text mediumtext
NOT NULL
1107 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1108 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1109 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1113 -- Recognized interwiki link prefixes
1115 CREATE TABLE /*_*/interwiki (
1116 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1117 iw_prefix
varchar(32) NOT NULL,
1119 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1120 -- Any spaces in the name will be transformed to underscores before
1122 iw_url
blob NOT NULL,
1124 -- The URL of the file api.php
1125 iw_api
blob NOT NULL,
1127 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1128 iw_wikiid
varchar(64) NOT NULL,
1130 -- A boolean value indicating whether the wiki is in this project
1131 -- (used, for example, to detect redirect loops)
1132 iw_local bool
NOT NULL,
1134 -- Boolean value indicating whether interwiki transclusions are allowed.
1135 iw_trans tinyint
NOT NULL default 0
1136 ) /*$wgDBTableOptions*/;
1138 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1142 -- Used for caching expensive grouped queries
1144 CREATE TABLE /*_*/querycache (
1145 -- A key name, generally the base name of of the special page.
1146 qc_type
varbinary(32) NOT NULL,
1148 -- Some sort of stored value. Sizes, counts...
1149 qc_value
int unsigned
NOT NULL default 0,
1151 -- Target namespace+title
1152 qc_namespace
int NOT NULL default 0,
1153 qc_title
varchar(255) binary NOT NULL default ''
1154 ) /*$wgDBTableOptions*/;
1156 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1160 -- For a few generic cache operations if not using Memcached
1162 CREATE TABLE /*_*/objectcache (
1163 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1166 ) /*$wgDBTableOptions*/;
1167 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1171 -- Cache of interwiki transclusion
1173 CREATE TABLE /*_*/transcache (
1174 tc_url
varbinary(255) NOT NULL,
1176 tc_time
binary(14) NOT NULL
1177 ) /*$wgDBTableOptions*/;
1179 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1182 CREATE TABLE /*_*/logging (
1183 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1184 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1186 -- Symbolic keys for the general log type and the action type
1187 -- within the log. The output format will be controlled by the
1188 -- action field, but only the type controls categorization.
1189 log_type
varbinary(32) NOT NULL default '',
1190 log_action
varbinary(32) NOT NULL default '',
1193 log_timestamp
binary(14) NOT NULL default '19700101000000',
1195 -- The user who performed this action; key to user_id
1196 log_user
int unsigned
NOT NULL default 0,
1198 -- Name of the user who performed this action
1199 log_user_text
varchar(255) binary NOT NULL default '',
1201 -- Key to the page affected. Where a user is the target,
1202 -- this will point to the user page.
1203 log_namespace
int NOT NULL default 0,
1204 log_title
varchar(255) binary NOT NULL default '',
1205 log_page
int unsigned
NULL,
1207 -- Freeform text. Interpreted as edit history comments.
1208 log_comment
varchar(255) NOT NULL default '',
1210 -- LF separated list of miscellaneous parameters
1211 log_params
blob NOT NULL,
1213 -- rev_deleted for logs
1214 log_deleted tinyint unsigned
NOT NULL default 0
1215 ) /*$wgDBTableOptions*/;
1217 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1218 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1219 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1220 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1221 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1222 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1223 CREATE INDEX /*i*/type_action
ON /*_*/logging(log_type
, log_action
, log_timestamp
);
1226 CREATE TABLE /*_*/log_search (
1227 -- The type of ID (rev ID, log ID, rev timestamp, username)
1228 ls_field
varbinary(32) NOT NULL,
1229 -- The value of the ID
1230 ls_value
varchar(255) NOT NULL,
1232 ls_log_id
int unsigned
NOT NULL default 0
1233 ) /*$wgDBTableOptions*/;
1234 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1235 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1238 CREATE TABLE /*_*/trackbacks (
1239 tb_id
int PRIMARY KEY AUTO_INCREMENT
,
1240 tb_page
int REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1241 tb_title
varchar(255) NOT NULL,
1242 tb_url
blob NOT NULL,
1244 tb_name
varchar(255)
1245 ) /*$wgDBTableOptions*/;
1246 CREATE INDEX /*i*/tb_page
ON /*_*/trackbacks (tb_page
);
1249 -- Jobs performed by parallel apache threads or a command-line daemon
1250 CREATE TABLE /*_*/job (
1251 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1254 -- Limited to 60 to prevent key length overflow
1255 job_cmd
varbinary(60) NOT NULL default '',
1257 -- Namespace and title to act on
1258 -- Should be 0 and '' if the command does not operate on a title
1259 job_namespace
int NOT NULL,
1260 job_title
varchar(255) binary NOT NULL,
1262 -- Any other parameters to the command
1263 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1264 job_params
blob NOT NULL
1265 ) /*$wgDBTableOptions*/;
1267 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1270 -- Details of updates to cached special pages
1271 CREATE TABLE /*_*/querycache_info (
1272 -- Special page name
1273 -- Corresponds to a qc_type value
1274 qci_type
varbinary(32) NOT NULL default '',
1276 -- Timestamp of last update
1277 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1278 ) /*$wgDBTableOptions*/;
1280 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1283 -- For each redirect, this table contains exactly one row defining its target
1284 CREATE TABLE /*_*/redirect (
1285 -- Key to the page_id of the redirect page
1286 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1288 -- Key to page_namespace/page_title of the target page.
1289 -- The target page may or may not exist, and due to renames
1290 -- and deletions may refer to different page records as time
1292 rd_namespace
int NOT NULL default 0,
1293 rd_title
varchar(255) binary NOT NULL default '',
1294 rd_interwiki
varchar(32) default NULL,
1295 rd_fragment
varchar(255) binary default NULL
1296 ) /*$wgDBTableOptions*/;
1298 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1301 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1302 CREATE TABLE /*_*/querycachetwo (
1303 -- A key name, generally the base name of of the special page.
1304 qcc_type
varbinary(32) NOT NULL,
1306 -- Some sort of stored value. Sizes, counts...
1307 qcc_value
int unsigned
NOT NULL default 0,
1309 -- Target namespace+title
1310 qcc_namespace
int NOT NULL default 0,
1311 qcc_title
varchar(255) binary NOT NULL default '',
1313 -- Target namespace+title2
1314 qcc_namespacetwo
int NOT NULL default 0,
1315 qcc_titletwo
varchar(255) binary NOT NULL default ''
1316 ) /*$wgDBTableOptions*/;
1318 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1319 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1320 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1323 -- Used for storing page restrictions (i.e. protection levels)
1324 CREATE TABLE /*_*/page_restrictions (
1325 -- Page to apply restrictions to (Foreign Key to page).
1326 pr_page
int NOT NULL,
1327 -- The protection type (edit, move, etc)
1328 pr_type
varbinary(60) NOT NULL,
1329 -- The protection level (Sysop, autoconfirmed, etc)
1330 pr_level
varbinary(60) NOT NULL,
1331 -- Whether or not to cascade the protection down to pages transcluded.
1332 pr_cascade tinyint
NOT NULL,
1333 -- Field for future support of per-user restriction.
1335 -- Field for time-limited protection.
1336 pr_expiry
varbinary(14) NULL,
1337 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1338 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1339 ) /*$wgDBTableOptions*/;
1341 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1342 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1343 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1344 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1347 -- Protected titles - nonexistent pages that have been protected
1348 CREATE TABLE /*_*/protected_titles (
1349 pt_namespace
int NOT NULL,
1350 pt_title
varchar(255) binary NOT NULL,
1351 pt_user
int unsigned
NOT NULL,
1353 pt_timestamp
binary(14) NOT NULL,
1354 pt_expiry
varbinary(14) NOT NULL default '',
1355 pt_create_perm
varbinary(60) NOT NULL
1356 ) /*$wgDBTableOptions*/;
1358 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1359 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1362 -- Name/value pairs indexed by page_id
1363 CREATE TABLE /*_*/page_props (
1364 pp_page
int NOT NULL,
1365 pp_propname
varbinary(60) NOT NULL,
1366 pp_value
blob NOT NULL
1367 ) /*$wgDBTableOptions*/;
1369 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1372 -- A table to log updates, one text key row per update.
1373 CREATE TABLE /*_*/updatelog (
1374 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1376 ) /*$wgDBTableOptions*/;
1379 -- A table to track tags for revisions, logs and recent changes.
1380 CREATE TABLE /*_*/change_tag (
1381 -- RCID for the change
1383 -- LOGID for the change
1385 -- REVID for the change
1388 ct_tag
varchar(255) NOT NULL,
1389 -- Parameters for the tag, presently unused
1391 ) /*$wgDBTableOptions*/;
1393 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1394 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1395 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1396 -- Covering index, so we can pull all the info only out of the index.
1397 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1400 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1401 -- that only works on MySQL 4.1+
1402 CREATE TABLE /*_*/tag_summary (
1403 -- RCID for the change
1405 -- LOGID for the change
1407 -- REVID for the change
1409 -- Comma-separated list of tags
1410 ts_tags
blob NOT NULL
1411 ) /*$wgDBTableOptions*/;
1413 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1414 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1415 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1418 CREATE TABLE /*_*/valid_tag (
1419 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1420 ) /*$wgDBTableOptions*/;
1422 -- Table for storing localisation data
1423 CREATE TABLE /*_*/l10n_cache (
1425 lc_lang
varbinary(32) NOT NULL,
1427 lc_key
varchar(255) NOT NULL,
1429 lc_value mediumblob
NOT NULL
1430 ) /*$wgDBTableOptions*/;
1431 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1433 -- Table for storing JSON message blobs for the resource loader
1434 CREATE TABLE /*_*/msg_resource (
1436 mr_resource
varbinary(255) NOT NULL,
1438 mr_lang
varbinary(32) NOT NULL,
1440 mr_blob mediumblob
NOT NULL,
1441 -- Timestamp of last update
1442 mr_timestamp
binary(14) NOT NULL
1443 ) /*$wgDBTableOptions*/;
1444 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1446 -- Table for administering which message is contained in which resource
1447 CREATE TABLE /*_*/msg_resource_links (
1448 mrl_resource
varbinary(255) NOT NULL,
1450 mrl_message
varbinary(255) NOT NULL
1451 ) /*$wgDBTableOptions*/;
1452 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1454 -- Table for tracking which local files a module depends on that aren't
1455 -- registered directly.
1456 -- Currently only used for tracking images that CSS depends on
1457 CREATE TABLE /*_*/module_deps (
1459 md_module
varbinary(255) NOT NULL,
1461 md_skin
varbinary(32) NOT NULL,
1462 -- JSON blob with file dependencies
1463 md_deps mediumblob
NOT NULL
1464 ) /*$wgDBTableOptions*/;
1465 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1467 -- Table for holding configuration changes
1468 CREATE TABLE /*_*/config (
1470 cf_name
varbinary(255) NOT NULL PRIMARY KEY,
1472 cf_value
blob NOT NULL
1473 ) /*$wgDBTableOptions*/;
1474 -- Should cover *most* configuration - strings, ints, bools, etc.
1475 CREATE INDEX /*i*/cf_name_value
ON /*_*/config (cf_name
,cf_value(255));
1477 -- vim: sw=2 sts=2 et