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 -- Newline-separated list of name=value defining the user
91 -- Now obsolete in favour of user_properties table;
92 -- old values will be migrated from here transparently.
93 user_options
blob NOT NULL,
95 -- This is a timestamp which is updated when a user
96 -- logs in, logs out, changes preferences, or performs
97 -- some other action requiring HTML cache invalidation
98 -- to ensure that the UI is updated.
99 user_touched
binary(14) NOT NULL default '',
101 -- A pseudorandomly generated value that is stored in
102 -- a cookie when the "remember password" feature is
103 -- used (previously, a hash of the password was used, but
104 -- this was vulnerable to cookie-stealing attacks)
105 user_token
binary(32) NOT NULL default '',
107 -- Initially NULL; when a user's e-mail address has been
108 -- validated by returning with a mailed token, this is
109 -- set to the current timestamp.
110 user_email_authenticated
binary(14),
112 -- Randomly generated token created when the e-mail address
113 -- is set and a confirmation test mail sent.
114 user_email_token
binary(32),
116 -- Expiration date for the user_email_token
117 user_email_token_expires
binary(14),
119 -- Timestamp of account registration.
120 -- Accounts predating this schema addition may contain NULL.
121 user_registration
binary(14),
123 -- Count of edits and edit-like actions.
125 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
126 -- May contain NULL for old accounts if batch-update scripts haven't been
127 -- run, as well as listing deleted edits and other myriad ways it could be
130 -- Meant primarily for heuristic checks to give an impression of whether
131 -- the account has been used much.
134 ) /*$wgDBTableOptions*/;
136 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
137 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
141 -- User permissions have been broken out to a separate table;
142 -- this allows sites with a shared user table to have different
143 -- permissions assigned to a user in each project.
145 -- This table replaces the old user_rights field which used a
146 -- comma-separated blob.
148 CREATE TABLE /*_*/user_groups (
150 ug_user
int unsigned
NOT NULL default 0,
152 -- Group names are short symbolic string keys.
153 -- The set of group names is open-ended, though in practice
154 -- only some predefined ones are likely to be used.
156 -- At runtime $wgGroupPermissions will associate group keys
157 -- with particular permissions. A user will have the combined
158 -- permissions of any group they're explicitly in, plus
159 -- the implicit '*' and 'user' groups.
160 ug_group
varbinary(16) NOT NULL default ''
161 ) /*$wgDBTableOptions*/;
163 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
164 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
168 -- Stores notifications of user talk page changes, for the display
169 -- of the "you have new messages" box
171 CREATE TABLE /*_*/user_newtalk (
172 -- Key to user.user_id
173 user_id
int NOT NULL default 0,
174 -- If the user is an anonymous user their IP address is stored here
175 -- since the user_id of 0 is ambiguous
176 user_ip
varbinary(40) NOT NULL default '',
177 -- The highest timestamp of revisions of the talk page viewed
179 user_last_timestamp
varbinary(14) NULL default NULL
180 ) /*$wgDBTableOptions*/;
182 -- Indexes renamed for SQLite in 1.14
183 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
184 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
188 -- User preferences and perhaps other fun stuff. :)
189 -- Replaces the old user.user_options blob, with a couple nice properties:
191 -- 1) We only store non-default settings, so changes to the defauls
192 -- are now reflected for everybody, not just new accounts.
193 -- 2) We can more easily do bulk lookups, statistics, or modifications of
194 -- saved options since it's a sane table structure.
196 CREATE TABLE /*_*/user_properties (
197 -- Foreign key to user.user_id
198 up_user
int NOT NULL,
200 -- Name of the option being saved. This is indexed for bulk lookup.
201 up_property
varbinary(32) NOT NULL,
203 -- Property value as a string.
205 ) /*$wgDBTableOptions*/;
207 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
208 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
211 -- Core of the wiki: each page has an entry here which identifies
212 -- it by title and contains some essential metadata.
214 CREATE TABLE /*_*/page (
215 -- Unique identifier number. The page_id will be preserved across
216 -- edits and rename operations, but not deletions and recreations.
217 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
219 -- A page name is broken into a namespace and a title.
220 -- The namespace keys are UI-language-independent constants,
221 -- defined in includes/Defines.php
222 page_namespace
int NOT NULL,
224 -- The rest of the title, as text.
225 -- Spaces are transformed into underscores in title storage.
226 page_title
varchar(255) binary NOT NULL,
228 -- Comma-separated set of permission keys indicating who
229 -- can move or edit the page.
230 page_restrictions tinyblob
NOT NULL,
232 -- Number of times this page has been viewed.
233 page_counter
bigint unsigned
NOT NULL default 0,
235 -- 1 indicates the article is a redirect.
236 page_is_redirect tinyint unsigned
NOT NULL default 0,
238 -- 1 indicates this is a new entry, with only one edit.
239 -- Not all pages with one edit are new pages.
240 page_is_new tinyint unsigned
NOT NULL default 0,
242 -- Random value between 0 and 1, used for Special:Randompage
243 page_random
real unsigned
NOT NULL,
245 -- This timestamp is updated whenever the page changes in
246 -- a way requiring it to be re-rendered, invalidating caches.
247 -- Aside from editing this includes permission changes,
248 -- creation or deletion of linked pages, and alteration
249 -- of contained templates.
250 page_touched
binary(14) NOT NULL default '',
252 -- Handy key to revision.rev_id of the current revision.
253 -- This may be 0 during page creation, but that shouldn't
254 -- happen outside of a transaction... hopefully.
255 page_latest
int unsigned
NOT NULL,
257 -- Uncompressed length in bytes of the page's current source text.
258 page_len
int unsigned
NOT NULL
259 ) /*$wgDBTableOptions*/;
261 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
262 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
263 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
267 -- Every edit of a page creates also a revision row.
268 -- This stores metadata about the revision, and a reference
269 -- to the text storage backend.
271 CREATE TABLE /*_*/revision (
272 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
274 -- Key to page_id. This should _never_ be invalid.
275 rev_page
int unsigned
NOT NULL,
277 -- Key to text.old_id, where the actual bulk text is stored.
278 -- It's possible for multiple revisions to use the same text,
279 -- for instance revisions where only metadata is altered
280 -- or a rollback to a previous version.
281 rev_text_id
int unsigned
NOT NULL,
283 -- Text comment summarizing the change.
284 -- This text is shown in the history and other changes lists,
285 -- rendered in a subset of wiki markup by Linker::formatComment()
286 rev_comment tinyblob
NOT NULL,
288 -- Key to user.user_id of the user who made this edit.
289 -- Stores 0 for anonymous edits and for some mass imports.
290 rev_user
int unsigned
NOT NULL default 0,
292 -- Text username or IP address of the editor.
293 rev_user_text
varchar(255) binary NOT NULL default '',
296 rev_timestamp
binary(14) NOT NULL default '',
298 -- Records whether the user marked the 'minor edit' checkbox.
299 -- Many automated edits are marked as minor.
300 rev_minor_edit tinyint unsigned
NOT NULL default 0,
302 -- Not yet used; reserved for future changes to the deletion system.
303 rev_deleted tinyint unsigned
NOT NULL default 0,
305 -- Length of this revision in bytes
306 rev_len
int unsigned
,
308 -- Key to revision.rev_id
309 -- This field is used to add support for a tree structure (The Adjacency List Model)
310 rev_parent_id
int unsigned
default NULL
312 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
313 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
315 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
316 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
317 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
318 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
319 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
322 -- Holds text of individual page revisions.
324 -- Field names are a holdover from the 'old' revisions table in
325 -- MediaWiki 1.4 and earlier: an upgrade will transform that
326 -- table into the 'text' table to minimize unnecessary churning
327 -- and downtime. If upgrading, the other fields will be left unused.
329 CREATE TABLE /*_*/text (
330 -- Unique text storage key number.
331 -- Note that the 'oldid' parameter used in URLs does *not*
332 -- refer to this number anymore, but to rev_id.
334 -- revision.rev_text_id is a key to this column
335 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
337 -- Depending on the contents of the old_flags field, the text
338 -- may be convenient plain text, or it may be funkily encoded.
339 old_text mediumblob
NOT NULL,
341 -- Comma-separated list of flags:
342 -- gzip: text is compressed with PHP's gzdeflate() function.
343 -- utf8: text was stored as UTF-8.
344 -- If $wgLegacyEncoding option is on, rows *without* this flag
345 -- will be converted to UTF-8 transparently at load time.
346 -- object: text field contained a serialized PHP object.
347 -- The object either contains multiple versions compressed
348 -- together to achieve a better compression ratio, or it refers
349 -- to another row where the text can be found.
350 old_flags tinyblob
NOT NULL
351 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
352 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
356 -- Holding area for deleted articles, which may be viewed
357 -- or restored by admins through the Special:Undelete interface.
358 -- The fields generally correspond to the page, revision, and text
359 -- fields, with several caveats.
361 CREATE TABLE /*_*/archive (
362 ar_namespace
int NOT NULL default 0,
363 ar_title
varchar(255) binary NOT NULL default '',
365 -- Newly deleted pages will not store text in this table,
366 -- but will reference the separately existing text rows.
367 -- This field is retained for backwards compatibility,
368 -- so old archived pages will remain accessible after
369 -- upgrading from 1.4 to 1.5.
370 -- Text may be gzipped or otherwise funky.
371 ar_text mediumblob
NOT NULL,
373 -- Basic revision stuff...
374 ar_comment tinyblob
NOT NULL,
375 ar_user
int unsigned
NOT NULL default 0,
376 ar_user_text
varchar(255) binary NOT NULL,
377 ar_timestamp
binary(14) NOT NULL default '',
378 ar_minor_edit tinyint
NOT NULL default 0,
381 ar_flags tinyblob
NOT NULL,
383 -- When revisions are deleted, their unique rev_id is stored
384 -- here so it can be retained after undeletion. This is necessary
385 -- to retain permalinks to given revisions after accidental delete
386 -- cycles or messy operations like history merges.
388 -- Old entries from 1.4 will be NULL here, and a new rev_id will
389 -- be created on undeletion for those revisions.
390 ar_rev_id
int unsigned
,
392 -- For newly deleted revisions, this is the text.old_id key to the
393 -- actual stored text. To avoid breaking the block-compression scheme
394 -- and otherwise making storage changes harder, the actual text is
395 -- *not* deleted from the text table, merely hidden by removal of the
396 -- page and revision entries.
398 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
399 -- ar_text and ar_flags fields will be used to create a new text
400 -- row upon undeletion.
401 ar_text_id
int unsigned
,
403 -- rev_deleted for archives
404 ar_deleted tinyint unsigned
NOT NULL default 0,
406 -- Length of this revision in bytes
409 -- Reference to page_id. Useful for sysadmin fixing of large pages
410 -- merged together in the archives, or for cleanly restoring a page
411 -- at its original ID number if possible.
413 -- Will be NULL for pages deleted prior to 1.11.
414 ar_page_id
int unsigned
,
416 -- Original previous revision
417 ar_parent_id
int unsigned
default NULL
418 ) /*$wgDBTableOptions*/;
420 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
421 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
422 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
426 -- Track page-to-page hyperlinks within the wiki.
428 CREATE TABLE /*_*/pagelinks (
429 -- Key to the page_id of the page containing the link.
430 pl_from
int unsigned
NOT NULL default 0,
432 -- Key to page_namespace/page_title of the target page.
433 -- The target page may or may not exist, and due to renames
434 -- and deletions may refer to different page records as time
436 pl_namespace
int NOT NULL default 0,
437 pl_title
varchar(255) binary NOT NULL default ''
438 ) /*$wgDBTableOptions*/;
440 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
441 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
445 -- Track template inclusions.
447 CREATE TABLE /*_*/templatelinks (
448 -- Key to the page_id of the page containing the link.
449 tl_from
int unsigned
NOT NULL default 0,
451 -- Key to page_namespace/page_title of the target page.
452 -- The target page may or may not exist, and due to renames
453 -- and deletions may refer to different page records as time
455 tl_namespace
int NOT NULL default 0,
456 tl_title
varchar(255) binary NOT NULL default ''
457 ) /*$wgDBTableOptions*/;
459 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
460 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
464 -- Track links to images *used inline*
465 -- We don't distinguish live from broken links here, so
466 -- they do not need to be changed on upload/removal.
468 CREATE TABLE /*_*/imagelinks (
469 -- Key to page_id of the page containing the image / media link.
470 il_from
int unsigned
NOT NULL default 0,
472 -- Filename of target image.
473 -- This is also the page_title of the file's description page;
474 -- all such pages are in namespace 6 (NS_FILE).
475 il_to
varchar(255) binary NOT NULL default ''
476 ) /*$wgDBTableOptions*/;
478 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
479 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
483 -- Track category inclusions *used inline*
484 -- This tracks a single level of category membership
486 CREATE TABLE /*_*/categorylinks (
487 -- Key to page_id of the page defined as a category member.
488 cl_from
int unsigned
NOT NULL default 0,
490 -- Name of the category.
491 -- This is also the page_title of the category's description page;
492 -- all such pages are in namespace 14 (NS_CATEGORY).
493 cl_to
varchar(255) binary NOT NULL default '',
495 -- A binary string obtained by applying a sortkey generation algorithm
496 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
497 -- . page_title if cl_sortkey_prefix is nonempty.
498 cl_sortkey
varbinary(230) NOT NULL default '',
500 -- A prefix for the raw sortkey manually specified by the user, either via
501 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
502 -- concatenated with a line break followed by the page title before the sortkey
503 -- conversion algorithm is run. We store this so that we can update
504 -- collations without reparsing all pages.
505 -- Note: If you change the length of this field, you also need to change
506 -- code in LinksUpdate.php. See bug 25254.
507 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
509 -- This isn't really used at present. Provided for an optional
510 -- sorting method by approximate addition time.
511 cl_timestamp
timestamp NOT NULL,
513 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
514 -- can be used to install new collation versions, tracking which rows are not
515 -- yet updated. '' means no collation, this is a legacy row that needs to be
516 -- updated by updateCollation.php. In the future, it might be possible to
517 -- specify different collations per category.
518 cl_collation
varbinary(32) NOT NULL default '',
520 -- Stores whether cl_from is a category, file, or other page, so we can
521 -- paginate the three categories separately. This never has to be updated
522 -- after the page is created, since none of these page types can be moved to
524 -- This used to be ENUM('page', 'subcat', 'file') but was changed to a
525 -- varchar because of the weird semantics of < and > when used on enums
526 cl_type
varchar(6) NOT NULL default 'page'
527 ) /*$wgDBTableOptions*/;
529 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
531 -- We always sort within a given category, and within a given type. FIXME:
532 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
533 -- callers won't be using an index: fix this?
534 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
537 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
539 -- For finding rows with outdated collation
540 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
543 -- Track all existing categories. Something is a category if 1) it has an en-
544 -- try somewhere in categorylinks, or 2) it once did. Categories might not
545 -- have corresponding pages, so they need to be tracked separately.
547 CREATE TABLE /*_*/category (
549 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
551 -- Name of the category, in the same form as page_title (with underscores).
552 -- If there is a category page corresponding to this category, by definition,
553 -- it has this name (in the Category namespace).
554 cat_title
varchar(255) binary NOT NULL,
556 -- The numbers of member pages (including categories and media), subcatego-
557 -- ries, and Image: namespace members, respectively. These are signed to
558 -- make underflow more obvious. We make the first number include the second
559 -- two for better sorting: subtracting for display is easy, adding for order-
561 cat_pages
int signed
NOT NULL default 0,
562 cat_subcats
int signed
NOT NULL default 0,
563 cat_files
int signed
NOT NULL default 0,
565 -- Reserved for future use
566 cat_hidden tinyint unsigned
NOT NULL default 0
567 ) /*$wgDBTableOptions*/;
569 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
571 -- For Special:Mostlinkedcategories
572 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
576 -- Track links to external URLs
578 CREATE TABLE /*_*/externallinks (
579 -- page_id of the referring page
580 el_from
int unsigned
NOT NULL default 0,
585 -- In the case of HTTP URLs, this is the URL with any username or password
586 -- removed, and with the labels in the hostname reversed and converted to
587 -- lower case. An extra dot is added to allow for matching of either
588 -- example.com or *.example.com in a single scan.
590 -- http://user:password@sub.example.com/page.html
592 -- http://com.example.sub./page.html
593 -- which allows for fast searching for all pages under example.com with the
595 -- WHERE el_index LIKE 'http://com.example.%'
596 el_index
blob NOT NULL
597 ) /*$wgDBTableOptions*/;
599 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
600 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
601 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
605 -- Track external user accounts, if ExternalAuth is used
607 CREATE TABLE /*_*/external_user (
608 -- Foreign key to user_id
609 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
611 -- Some opaque identifier provided by the external database
612 eu_external_id
varchar(255) binary NOT NULL
613 ) /*$wgDBTableOptions*/;
615 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
619 -- Track interlanguage links
621 CREATE TABLE /*_*/langlinks (
622 -- page_id of the referring page
623 ll_from
int unsigned
NOT NULL default 0,
625 -- Language code of the target
626 ll_lang
varbinary(20) NOT NULL default '',
628 -- Title of the target, including namespace
629 ll_title
varchar(255) binary NOT NULL default ''
630 ) /*$wgDBTableOptions*/;
632 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
633 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
637 -- Track inline interwiki links
639 CREATE TABLE /*_*/iwlinks (
640 -- page_id of the referring page
641 iwl_from
int unsigned
NOT NULL default 0,
643 -- Interwiki prefix code of the target
644 iwl_prefix
varbinary(20) NOT NULL default '',
646 -- Title of the target, including namespace
647 iwl_title
varchar(255) binary NOT NULL default ''
648 ) /*$wgDBTableOptions*/;
650 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
651 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
655 -- Contains a single row with some aggregate info
656 -- on the state of the site.
658 CREATE TABLE /*_*/site_stats (
659 -- The single row should contain 1 here.
660 ss_row_id
int unsigned
NOT NULL,
662 -- Total number of page views, if hit counters are enabled.
663 ss_total_views
bigint unsigned
default 0,
665 -- Total number of edits performed.
666 ss_total_edits
bigint unsigned
default 0,
668 -- An approximate count of pages matching the following criteria:
671 -- * contains the text '[['
672 -- See Article::isCountable() in includes/Article.php
673 ss_good_articles
bigint unsigned
default 0,
675 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
676 ss_total_pages
bigint default '-1',
678 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
679 ss_users
bigint default '-1',
681 -- Number of users that still edit
682 ss_active_users
bigint default '-1',
684 -- Deprecated, no longer updated as of 1.5
685 ss_admins
int default '-1',
687 -- Number of images, equivalent to SELECT COUNT(*) FROM image
688 ss_images
int default 0
689 ) /*$wgDBTableOptions*/;
691 -- Pointless index to assuage developer superstitions
692 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
696 -- Stores an ID for every time any article is visited;
697 -- depending on $wgHitcounterUpdateFreq, it is
698 -- periodically cleared and the page_counter column
699 -- in the page table updated for all the articles
700 -- that have been visited.)
702 CREATE TABLE /*_*/hitcounter (
703 hc_id
int unsigned
NOT NULL
704 ) ENGINE
=HEAP MAX_ROWS
=25000;
708 -- The internet is full of jerks, alas. Sometimes it's handy
709 -- to block a vandal or troll account.
711 CREATE TABLE /*_*/ipblocks (
712 -- Primary key, introduced for privacy.
713 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
715 -- Blocked IP address in dotted-quad form or user name.
716 ipb_address tinyblob
NOT NULL,
718 -- Blocked user ID or 0 for IP blocks.
719 ipb_user
int unsigned
NOT NULL default 0,
721 -- User ID who made the block.
722 ipb_by
int unsigned
NOT NULL default 0,
724 -- User name of blocker
725 ipb_by_text
varchar(255) binary NOT NULL default '',
727 -- Text comment made by blocker.
728 ipb_reason tinyblob
NOT NULL,
730 -- Creation (or refresh) date in standard YMDHMS form.
731 -- IP blocks expire automatically.
732 ipb_timestamp
binary(14) NOT NULL default '',
734 -- Indicates that the IP address was banned because a banned
735 -- user accessed a page through it. If this is 1, ipb_address
736 -- will be hidden, and the block identified by block ID number.
737 ipb_auto bool
NOT NULL default 0,
739 -- If set to 1, block applies only to logged-out users
740 ipb_anon_only bool
NOT NULL default 0,
742 -- Block prevents account creation from matching IP addresses
743 ipb_create_account bool
NOT NULL default 1,
745 -- Block triggers autoblocks
746 ipb_enable_autoblock bool
NOT NULL default '1',
748 -- Time at which the block will expire.
750 ipb_expiry
varbinary(14) NOT NULL default '',
752 -- Start and end of an address range, in hexadecimal
753 -- Size chosen to allow IPv6
754 ipb_range_start tinyblob
NOT NULL,
755 ipb_range_end tinyblob
NOT NULL,
757 -- Flag for entries hidden from users and Sysops
758 ipb_deleted bool
NOT NULL default 0,
760 -- Block prevents user from accessing Special:Emailuser
761 ipb_block_email bool
NOT NULL default 0,
763 -- Block allows user to edit their own talk page
764 ipb_allow_usertalk bool
NOT NULL default 0
766 ) /*$wgDBTableOptions*/;
768 -- Unique index to support "user already blocked" messages
769 -- Any new options which prevent collisions should be included
770 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
772 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
773 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
774 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
775 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
779 -- Uploaded images and other files.
781 CREATE TABLE /*_*/image (
783 -- This is also the title of the associated description page,
784 -- which will be in namespace 6 (NS_FILE).
785 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
787 -- File size in bytes.
788 img_size
int unsigned
NOT NULL default 0,
790 -- For images, size in pixels.
791 img_width
int NOT NULL default 0,
792 img_height
int NOT NULL default 0,
794 -- Extracted EXIF metadata stored as a serialized PHP array.
795 img_metadata mediumblob
NOT NULL,
797 -- For images, bits per pixel if known.
798 img_bits
int NOT NULL default 0,
800 -- Media type as defined by the MEDIATYPE_xxx constants
801 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
803 -- major part of a MIME media type as defined by IANA
804 -- see http://www.iana.org/assignments/media-types/
805 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
807 -- minor part of a MIME media type as defined by IANA
808 -- the minor parts are not required to adher to any standard
809 -- but should be consistent throughout the database
810 -- see http://www.iana.org/assignments/media-types/
811 img_minor_mime
varbinary(100) NOT NULL default "unknown",
813 -- Description field as entered by the uploader.
814 -- This is displayed in image upload history and logs.
815 img_description tinyblob
NOT NULL,
817 -- user_id and user_name of uploader.
818 img_user
int unsigned
NOT NULL default 0,
819 img_user_text
varchar(255) binary NOT NULL,
821 -- Time of the upload.
822 img_timestamp
varbinary(14) NOT NULL default '',
824 -- SHA-1 content hash in base-36
825 img_sha1
varbinary(32) NOT NULL default ''
826 ) /*$wgDBTableOptions*/;
828 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
829 -- Used by Special:ListFiles for sort-by-size
830 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
831 -- Used by Special:Newimages and Special:ListFiles
832 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
833 -- Used in API and duplicate search
834 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
838 -- Previous revisions of uploaded files.
839 -- Awkwardly, image rows have to be moved into
840 -- this table at re-upload time.
842 CREATE TABLE /*_*/oldimage (
843 -- Base filename: key to image.img_name
844 oi_name
varchar(255) binary NOT NULL default '',
846 -- Filename of the archived file.
847 -- This is generally a timestamp and '!' prepended to the base name.
848 oi_archive_name
varchar(255) binary NOT NULL default '',
850 -- Other fields as in image...
851 oi_size
int unsigned
NOT NULL default 0,
852 oi_width
int NOT NULL default 0,
853 oi_height
int NOT NULL default 0,
854 oi_bits
int NOT NULL default 0,
855 oi_description tinyblob
NOT NULL,
856 oi_user
int unsigned
NOT NULL default 0,
857 oi_user_text
varchar(255) binary NOT NULL,
858 oi_timestamp
binary(14) NOT NULL default '',
860 oi_metadata mediumblob
NOT NULL,
861 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
862 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
863 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
864 oi_deleted tinyint unsigned
NOT NULL default 0,
865 oi_sha1
varbinary(32) NOT NULL default ''
866 ) /*$wgDBTableOptions*/;
868 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
869 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
870 -- oi_archive_name truncated to 14 to avoid key length overflow
871 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
872 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
876 -- Record of deleted file data
878 CREATE TABLE /*_*/filearchive (
880 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
882 -- Original base filename; key to image.img_name, page.page_title, etc
883 fa_name
varchar(255) binary NOT NULL default '',
885 -- Filename of archived file, if an old revision
886 fa_archive_name
varchar(255) binary default '',
888 -- Which storage bin (directory tree or object store) the file data
889 -- is stored in. Should be 'deleted' for files that have been deleted;
890 -- any other bin is not yet in use.
891 fa_storage_group
varbinary(16),
893 -- SHA-1 of the file contents plus extension, used as a key for storage.
894 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
896 -- If NULL, the file was missing at deletion time or has been purged
897 -- from the archival storage.
898 fa_storage_key
varbinary(64) default '',
900 -- Deletion information, if this file is deleted.
902 fa_deleted_timestamp
binary(14) default '',
903 fa_deleted_reason
text,
905 -- Duped fields from image
906 fa_size
int unsigned
default 0,
907 fa_width
int default 0,
908 fa_height
int default 0,
909 fa_metadata mediumblob
,
910 fa_bits
int default 0,
911 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
912 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
913 fa_minor_mime
varbinary(100) default "unknown",
914 fa_description tinyblob
,
915 fa_user
int unsigned
default 0,
916 fa_user_text
varchar(255) binary,
917 fa_timestamp
binary(14) default '',
919 -- Visibility of deleted revisions, bitfield
920 fa_deleted tinyint unsigned
NOT NULL default 0
921 ) /*$wgDBTableOptions*/;
923 -- pick out by image name
924 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
925 -- pick out dupe files
926 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
927 -- sort by deletion time
928 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
930 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
934 -- Primarily a summary table for Special:Recentchanges,
935 -- this table contains some additional info on edits from
936 -- the last few days, see Article::editUpdates()
938 CREATE TABLE /*_*/recentchanges (
939 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
940 rc_timestamp
varbinary(14) NOT NULL default '',
941 rc_cur_time
varbinary(14) NOT NULL default '',
944 rc_user
int unsigned
NOT NULL default 0,
945 rc_user_text
varchar(255) binary NOT NULL,
947 -- When pages are renamed, their RC entries do _not_ change.
948 rc_namespace
int NOT NULL default 0,
949 rc_title
varchar(255) binary NOT NULL default '',
952 rc_comment
varchar(255) binary NOT NULL default '',
953 rc_minor tinyint unsigned
NOT NULL default 0,
955 -- Edits by user accounts with the 'bot' rights key are
956 -- marked with a 1 here, and will be hidden from the
958 rc_bot tinyint unsigned
NOT NULL default 0,
960 rc_new tinyint unsigned
NOT NULL default 0,
962 -- Key to page_id (was cur_id prior to 1.5).
963 -- This will keep links working after moves while
964 -- retaining the at-the-time name in the changes list.
965 rc_cur_id
int unsigned
NOT NULL default 0,
967 -- rev_id of the given revision
968 rc_this_oldid
int unsigned
NOT NULL default 0,
970 -- rev_id of the prior revision, for generating diff links.
971 rc_last_oldid
int unsigned
NOT NULL default 0,
973 -- These may no longer be used, with the new move log.
974 rc_type tinyint unsigned
NOT NULL default 0,
975 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
976 rc_moved_to_title
varchar(255) binary NOT NULL default '',
978 -- If the Recent Changes Patrol option is enabled,
979 -- users may mark edits as having been reviewed to
980 -- remove a warning flag on the RC list.
981 -- A value of 1 indicates the page has been reviewed.
982 rc_patrolled tinyint unsigned
NOT NULL default 0,
984 -- Recorded IP address the edit was made from, if the
985 -- $wgPutIPinRC option is enabled.
986 rc_ip
varbinary(40) NOT NULL default '',
988 -- Text length in characters before
989 -- and after the edit
993 -- Visibility of recent changes items, bitfield
994 rc_deleted tinyint unsigned
NOT NULL default 0,
996 -- Value corresonding to log_id, specific log entries
997 rc_logid
int unsigned
NOT NULL default 0,
998 -- Store log type info here, or null
999 rc_log_type
varbinary(255) NULL default NULL,
1000 -- Store log action or null
1001 rc_log_action
varbinary(255) NULL default NULL,
1004 ) /*$wgDBTableOptions*/;
1006 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1007 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1008 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1009 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1010 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1011 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1012 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1015 CREATE TABLE /*_*/watchlist (
1016 -- Key to user.user_id
1017 wl_user
int unsigned
NOT NULL,
1019 -- Key to page_namespace/page_title
1020 -- Note that users may watch pages which do not exist yet,
1021 -- or existed in the past but have been deleted.
1022 wl_namespace
int NOT NULL default 0,
1023 wl_title
varchar(255) binary NOT NULL default '',
1025 -- Timestamp when user was last sent a notification e-mail;
1026 -- cleared when the user visits the page.
1027 wl_notificationtimestamp
varbinary(14)
1029 ) /*$wgDBTableOptions*/;
1031 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1032 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1036 -- Used by the math module to keep track
1037 -- of previously-rendered items.
1039 CREATE TABLE /*_*/math (
1040 -- Binary MD5 hash of the latex fragment, used as an identifier key.
1041 math_inputhash
varbinary(16) NOT NULL,
1043 -- Not sure what this is, exactly...
1044 math_outputhash
varbinary(16) NOT NULL,
1046 -- texvc reports how well it thinks the HTML conversion worked;
1047 -- if it's a low level the PNG rendering may be preferred.
1048 math_html_conservativeness tinyint
NOT NULL,
1050 -- HTML output from texvc, if any
1053 -- MathML output from texvc, if any
1055 ) /*$wgDBTableOptions*/;
1057 CREATE UNIQUE INDEX /*i*/math_inputhash
ON /*_*/math (math_inputhash
);
1061 -- When using the default MySQL search backend, page titles
1062 -- and text are munged to strip markup, do Unicode case folding,
1063 -- and prepare the result for MySQL's fulltext index.
1065 -- This table must be MyISAM; InnoDB does not support the needed
1068 CREATE TABLE /*_*/searchindex (
1070 si_page
int unsigned
NOT NULL,
1072 -- Munged version of title
1073 si_title
varchar(255) NOT NULL default '',
1075 -- Munged version of body text
1076 si_text mediumtext
NOT NULL
1079 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1080 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1081 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1085 -- Recognized interwiki link prefixes
1087 CREATE TABLE /*_*/interwiki (
1088 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1089 iw_prefix
varchar(32) NOT NULL,
1091 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1092 -- Any spaces in the name will be transformed to underscores before
1094 iw_url
blob NOT NULL,
1096 -- The URL of the file api.php
1097 iw_api
blob NOT NULL,
1099 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1100 iw_wikiid
varchar(64) NOT NULL,
1102 -- A boolean value indicating whether the wiki is in this project
1103 -- (used, for example, to detect redirect loops)
1104 iw_local bool
NOT NULL,
1106 -- Boolean value indicating whether interwiki transclusions are allowed.
1107 iw_trans tinyint
NOT NULL default 0
1108 ) /*$wgDBTableOptions*/;
1110 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1114 -- Used for caching expensive grouped queries
1116 CREATE TABLE /*_*/querycache (
1117 -- A key name, generally the base name of of the special page.
1118 qc_type
varbinary(32) NOT NULL,
1120 -- Some sort of stored value. Sizes, counts...
1121 qc_value
int unsigned
NOT NULL default 0,
1123 -- Target namespace+title
1124 qc_namespace
int NOT NULL default 0,
1125 qc_title
varchar(255) binary NOT NULL default ''
1126 ) /*$wgDBTableOptions*/;
1128 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1132 -- For a few generic cache operations if not using Memcached
1134 CREATE TABLE /*_*/objectcache (
1135 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1138 ) /*$wgDBTableOptions*/;
1139 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1143 -- Cache of interwiki transclusion
1145 CREATE TABLE /*_*/transcache (
1146 tc_url
varbinary(255) NOT NULL,
1148 tc_time
binary(14) NOT NULL
1149 ) /*$wgDBTableOptions*/;
1151 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1154 CREATE TABLE /*_*/logging (
1155 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1156 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1158 -- Symbolic keys for the general log type and the action type
1159 -- within the log. The output format will be controlled by the
1160 -- action field, but only the type controls categorization.
1161 log_type
varbinary(32) NOT NULL default '',
1162 log_action
varbinary(32) NOT NULL default '',
1165 log_timestamp
binary(14) NOT NULL default '19700101000000',
1167 -- The user who performed this action; key to user_id
1168 log_user
int unsigned
NOT NULL default 0,
1170 -- Name of the user who performed this action
1171 log_user_text
varchar(255) binary NOT NULL default '',
1173 -- Key to the page affected. Where a user is the target,
1174 -- this will point to the user page.
1175 log_namespace
int NOT NULL default 0,
1176 log_title
varchar(255) binary NOT NULL default '',
1177 log_page
int unsigned
NULL,
1179 -- Freeform text. Interpreted as edit history comments.
1180 log_comment
varchar(255) NOT NULL default '',
1182 -- LF separated list of miscellaneous parameters
1183 log_params
blob NOT NULL,
1185 -- rev_deleted for logs
1186 log_deleted tinyint unsigned
NOT NULL default 0
1187 ) /*$wgDBTableOptions*/;
1189 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1190 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1191 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1192 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1193 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1194 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1197 CREATE TABLE /*_*/log_search (
1198 -- The type of ID (rev ID, log ID, rev timestamp, username)
1199 ls_field
varbinary(32) NOT NULL,
1200 -- The value of the ID
1201 ls_value
varchar(255) NOT NULL,
1203 ls_log_id
int unsigned
NOT NULL default 0
1204 ) /*$wgDBTableOptions*/;
1205 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1206 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1209 CREATE TABLE /*_*/trackbacks (
1210 tb_id
int PRIMARY KEY AUTO_INCREMENT
,
1211 tb_page
int REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1212 tb_title
varchar(255) NOT NULL,
1213 tb_url
blob NOT NULL,
1215 tb_name
varchar(255)
1216 ) /*$wgDBTableOptions*/;
1217 CREATE INDEX /*i*/tb_page
ON /*_*/trackbacks (tb_page
);
1220 -- Jobs performed by parallel apache threads or a command-line daemon
1221 CREATE TABLE /*_*/job (
1222 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1225 -- Limited to 60 to prevent key length overflow
1226 job_cmd
varbinary(60) NOT NULL default '',
1228 -- Namespace and title to act on
1229 -- Should be 0 and '' if the command does not operate on a title
1230 job_namespace
int NOT NULL,
1231 job_title
varchar(255) binary NOT NULL,
1233 -- Any other parameters to the command
1234 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1235 job_params
blob NOT NULL
1236 ) /*$wgDBTableOptions*/;
1238 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1241 -- Details of updates to cached special pages
1242 CREATE TABLE /*_*/querycache_info (
1243 -- Special page name
1244 -- Corresponds to a qc_type value
1245 qci_type
varbinary(32) NOT NULL default '',
1247 -- Timestamp of last update
1248 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1249 ) /*$wgDBTableOptions*/;
1251 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1254 -- For each redirect, this table contains exactly one row defining its target
1255 CREATE TABLE /*_*/redirect (
1256 -- Key to the page_id of the redirect page
1257 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1259 -- Key to page_namespace/page_title of the target page.
1260 -- The target page may or may not exist, and due to renames
1261 -- and deletions may refer to different page records as time
1263 rd_namespace
int NOT NULL default 0,
1264 rd_title
varchar(255) binary NOT NULL default '',
1265 rd_interwiki
varchar(32) default NULL,
1266 rd_fragment
varchar(255) binary default NULL
1267 ) /*$wgDBTableOptions*/;
1269 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1272 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1273 CREATE TABLE /*_*/querycachetwo (
1274 -- A key name, generally the base name of of the special page.
1275 qcc_type
varbinary(32) NOT NULL,
1277 -- Some sort of stored value. Sizes, counts...
1278 qcc_value
int unsigned
NOT NULL default 0,
1280 -- Target namespace+title
1281 qcc_namespace
int NOT NULL default 0,
1282 qcc_title
varchar(255) binary NOT NULL default '',
1284 -- Target namespace+title2
1285 qcc_namespacetwo
int NOT NULL default 0,
1286 qcc_titletwo
varchar(255) binary NOT NULL default ''
1287 ) /*$wgDBTableOptions*/;
1289 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1290 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1291 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1294 -- Used for storing page restrictions (i.e. protection levels)
1295 CREATE TABLE /*_*/page_restrictions (
1296 -- Page to apply restrictions to (Foreign Key to page).
1297 pr_page
int NOT NULL,
1298 -- The protection type (edit, move, etc)
1299 pr_type
varbinary(60) NOT NULL,
1300 -- The protection level (Sysop, autoconfirmed, etc)
1301 pr_level
varbinary(60) NOT NULL,
1302 -- Whether or not to cascade the protection down to pages transcluded.
1303 pr_cascade tinyint
NOT NULL,
1304 -- Field for future support of per-user restriction.
1306 -- Field for time-limited protection.
1307 pr_expiry
varbinary(14) NULL,
1308 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1309 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1310 ) /*$wgDBTableOptions*/;
1312 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1313 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1314 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1315 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1318 -- Protected titles - nonexistent pages that have been protected
1319 CREATE TABLE /*_*/protected_titles (
1320 pt_namespace
int NOT NULL,
1321 pt_title
varchar(255) binary NOT NULL,
1322 pt_user
int unsigned
NOT NULL,
1324 pt_timestamp
binary(14) NOT NULL,
1325 pt_expiry
varbinary(14) NOT NULL default '',
1326 pt_create_perm
varbinary(60) NOT NULL
1327 ) /*$wgDBTableOptions*/;
1329 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1330 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1333 -- Name/value pairs indexed by page_id
1334 CREATE TABLE /*_*/page_props (
1335 pp_page
int NOT NULL,
1336 pp_propname
varbinary(60) NOT NULL,
1337 pp_value
blob NOT NULL
1338 ) /*$wgDBTableOptions*/;
1340 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1343 -- A table to log updates, one text key row per update.
1344 CREATE TABLE /*_*/updatelog (
1345 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1347 ) /*$wgDBTableOptions*/;
1350 -- A table to track tags for revisions, logs and recent changes.
1351 CREATE TABLE /*_*/change_tag (
1352 -- RCID for the change
1354 -- LOGID for the change
1356 -- REVID for the change
1359 ct_tag
varchar(255) NOT NULL,
1360 -- Parameters for the tag, presently unused
1362 ) /*$wgDBTableOptions*/;
1364 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1365 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1366 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1367 -- Covering index, so we can pull all the info only out of the index.
1368 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1371 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1372 -- that only works on MySQL 4.1+
1373 CREATE TABLE /*_*/tag_summary (
1374 -- RCID for the change
1376 -- LOGID for the change
1378 -- REVID for the change
1380 -- Comma-separated list of tags
1381 ts_tags
blob NOT NULL
1382 ) /*$wgDBTableOptions*/;
1384 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1385 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1386 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1389 CREATE TABLE /*_*/valid_tag (
1390 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1391 ) /*$wgDBTableOptions*/;
1393 -- Table for storing localisation data
1394 CREATE TABLE /*_*/l10n_cache (
1396 lc_lang
varbinary(32) NOT NULL,
1398 lc_key
varchar(255) NOT NULL,
1400 lc_value mediumblob
NOT NULL
1401 ) /*$wgDBTableOptions*/;
1402 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1404 -- Table for storing JSON message blobs for the resource loader
1405 CREATE TABLE /*_*/msg_resource (
1407 mr_resource
varbinary(255) NOT NULL,
1409 mr_lang
varbinary(32) NOT NULL,
1411 mr_blob mediumblob
NOT NULL,
1412 -- Timestamp of last update
1413 mr_timestamp
binary(14) NOT NULL
1414 ) /*$wgDBTableOptions*/;
1415 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1417 -- Table for administering which message is contained in which resource
1418 CREATE TABLE /*_*/msg_resource_links (
1419 mrl_resource
varbinary(255) NOT NULL,
1421 mrl_message
varbinary(255) NOT NULL
1422 ) /*$wgDBTableOptions*/;
1423 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1425 -- Table for tracking which local files a module depends on that aren't
1426 -- registered directly.
1427 -- Currently only used for tracking images that CSS depends on
1428 CREATE TABLE /*_*/module_deps (
1430 md_module
varbinary(255) NOT NULL,
1432 md_skin
varbinary(32) NOT NULL,
1433 -- JSON blob with file dependencies
1434 md_deps mediumblob
NOT NULL
1435 ) /*$wgDBTableOptions*/;
1436 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1438 -- vim: sw=2 sts=2 et