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 purposes
80 user_newpass_time
binary(14),
82 -- Note: email should be restricted, not public info.
83 -- Same with passwords.
84 user_email tinytext
NOT NULL,
86 -- Newline-separated list of name=value defining the user
88 -- Now obsolete in favour of user_properties table;
89 -- old values will be migrated from here transparently.
90 user_options
blob NOT NULL,
92 -- This is a timestamp which is updated when a user
93 -- logs in, logs out, changes preferences, or performs
94 -- some other action requiring HTML cache invalidation
95 -- to ensure that the UI is updated.
96 user_touched
binary(14) NOT NULL default '',
98 -- A pseudorandomly generated value that is stored in
99 -- a cookie when the "remember password" feature is
100 -- used (previously, a hash of the password was used, but
101 -- this was vulnerable to cookie-stealing attacks)
102 user_token
binary(32) NOT NULL default '',
104 -- Initially NULL; when a user's e-mail address has been
105 -- validated by returning with a mailed token, this is
106 -- set to the current timestamp.
107 user_email_authenticated
binary(14),
109 -- Randomly generated token created when the e-mail address
110 -- is set and a confirmation test mail sent.
111 user_email_token
binary(32),
113 -- Expiration date for the user_email_token
114 user_email_token_expires
binary(14),
116 -- Timestamp of account registration.
117 -- Accounts predating this schema addition may contain NULL.
118 user_registration
binary(14),
120 -- Count of edits and edit-like actions.
122 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
123 -- May contain NULL for old accounts if batch-update scripts haven't been
124 -- run, as well as listing deleted edits and other myriad ways it could be
127 -- Meant primarily for heuristic checks to give an impression of whether
128 -- the account has been used much.
131 ) /*$wgDBTableOptions*/;
133 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
134 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
138 -- User permissions have been broken out to a separate table;
139 -- this allows sites with a shared user table to have different
140 -- permissions assigned to a user in each project.
142 -- This table replaces the old user_rights field which used a
143 -- comma-separated blob.
145 CREATE TABLE /*_*/user_groups (
147 ug_user
int unsigned
NOT NULL default 0,
149 -- Group names are short symbolic string keys.
150 -- The set of group names is open-ended, though in practice
151 -- only some predefined ones are likely to be used.
153 -- At runtime $wgGroupPermissions will associate group keys
154 -- with particular permissions. A user will have the combined
155 -- permissions of any group they're explicitly in, plus
156 -- the implicit '*' and 'user' groups.
157 ug_group
varbinary(16) NOT NULL default ''
158 ) /*$wgDBTableOptions*/;
160 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
161 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
165 -- Stores notifications of user talk page changes, for the display
166 -- of the "you have new messages" box
168 CREATE TABLE /*_*/user_newtalk (
169 -- Key to user.user_id
170 user_id
int NOT NULL default 0,
171 -- If the user is an anonymous user their IP address is stored here
172 -- since the user_id of 0 is ambiguous
173 user_ip
varbinary(40) NOT NULL default '',
174 -- The highest timestamp of revisions of the talk page viewed
176 user_last_timestamp
binary(14) NOT NULL default ''
177 ) /*$wgDBTableOptions*/;
179 -- Indexes renamed for SQLite in 1.14
180 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
181 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
185 -- User preferences and perhaps other fun stuff. :)
186 -- Replaces the old user.user_options blob, with a couple nice properties:
188 -- 1) We only store non-default settings, so changes to the defauls
189 -- are now reflected for everybody, not just new accounts.
190 -- 2) We can more easily do bulk lookups, statistics, or modifications of
191 -- saved options since it's a sane table structure.
193 CREATE TABLE /*_*/user_properties (
194 -- Foreign key to user.user_id
195 up_user
int NOT NULL,
197 -- Name of the option being saved. This is indexed for bulk lookup.
198 up_property
varbinary(32) NOT NULL,
200 -- Property value as a string.
202 ) /*$wgDBTableOptions*/;
204 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
205 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
208 -- Core of the wiki: each page has an entry here which identifies
209 -- it by title and contains some essential metadata.
211 CREATE TABLE /*_*/page (
212 -- Unique identifier number. The page_id will be preserved across
213 -- edits and rename operations, but not deletions and recreations.
214 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
216 -- A page name is broken into a namespace and a title.
217 -- The namespace keys are UI-language-independent constants,
218 -- defined in includes/Defines.php
219 page_namespace
int NOT NULL,
221 -- The rest of the title, as text.
222 -- Spaces are transformed into underscores in title storage.
223 page_title
varchar(255) binary NOT NULL,
225 -- Comma-separated set of permission keys indicating who
226 -- can move or edit the page.
227 page_restrictions tinyblob
NOT NULL,
229 -- Number of times this page has been viewed.
230 page_counter
bigint unsigned
NOT NULL default 0,
232 -- 1 indicates the article is a redirect.
233 page_is_redirect tinyint unsigned
NOT NULL default 0,
235 -- 1 indicates this is a new entry, with only one edit.
236 -- Not all pages with one edit are new pages.
237 page_is_new tinyint unsigned
NOT NULL default 0,
239 -- Random value between 0 and 1, used for Special:Randompage
240 page_random
real unsigned
NOT NULL,
242 -- This timestamp is updated whenever the page changes in
243 -- a way requiring it to be re-rendered, invalidating caches.
244 -- Aside from editing this includes permission changes,
245 -- creation or deletion of linked pages, and alteration
246 -- of contained templates.
247 page_touched
binary(14) NOT NULL default '',
249 -- Handy key to revision.rev_id of the current revision.
250 -- This may be 0 during page creation, but that shouldn't
251 -- happen outside of a transaction... hopefully.
252 page_latest
int unsigned
NOT NULL,
254 -- Uncompressed length in bytes of the page's current source text.
255 page_len
int unsigned
NOT NULL
256 ) /*$wgDBTableOptions*/;
258 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
259 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
260 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
264 -- Every edit of a page creates also a revision row.
265 -- This stores metadata about the revision, and a reference
266 -- to the text storage backend.
268 CREATE TABLE /*_*/revision (
269 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
271 -- Key to page_id. This should _never_ be invalid.
272 rev_page
int unsigned
NOT NULL,
274 -- Key to text.old_id, where the actual bulk text is stored.
275 -- It's possible for multiple revisions to use the same text,
276 -- for instance revisions where only metadata is altered
277 -- or a rollback to a previous version.
278 rev_text_id
int unsigned
NOT NULL,
280 -- Text comment summarizing the change.
281 -- This text is shown in the history and other changes lists,
282 -- rendered in a subset of wiki markup by Linker::formatComment()
283 rev_comment tinyblob
NOT NULL,
285 -- Key to user.user_id of the user who made this edit.
286 -- Stores 0 for anonymous edits and for some mass imports.
287 rev_user
int unsigned
NOT NULL default 0,
289 -- Text username or IP address of the editor.
290 rev_user_text
varchar(255) binary NOT NULL default '',
293 rev_timestamp
binary(14) NOT NULL default '',
295 -- Records whether the user marked the 'minor edit' checkbox.
296 -- Many automated edits are marked as minor.
297 rev_minor_edit tinyint unsigned
NOT NULL default 0,
299 -- Not yet used; reserved for future changes to the deletion system.
300 rev_deleted tinyint unsigned
NOT NULL default 0,
302 -- Length of this revision in bytes
303 rev_len
int unsigned
,
305 -- Key to revision.rev_id
306 -- This field is used to add support for a tree structure (The Adjacency List Model)
307 rev_parent_id
int unsigned
default NULL
309 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
310 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
312 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
313 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
314 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
315 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
316 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
319 -- Holds text of individual page revisions.
321 -- Field names are a holdover from the 'old' revisions table in
322 -- MediaWiki 1.4 and earlier: an upgrade will transform that
323 -- table into the 'text' table to minimize unnecessary churning
324 -- and downtime. If upgrading, the other fields will be left unused.
326 CREATE TABLE /*_*/text (
327 -- Unique text storage key number.
328 -- Note that the 'oldid' parameter used in URLs does *not*
329 -- refer to this number anymore, but to rev_id.
331 -- revision.rev_text_id is a key to this column
332 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
334 -- Depending on the contents of the old_flags field, the text
335 -- may be convenient plain text, or it may be funkily encoded.
336 old_text mediumblob
NOT NULL,
338 -- Comma-separated list of flags:
339 -- gzip: text is compressed with PHP's gzdeflate() function.
340 -- utf8: text was stored as UTF-8.
341 -- If $wgLegacyEncoding option is on, rows *without* this flag
342 -- will be converted to UTF-8 transparently at load time.
343 -- object: text field contained a serialized PHP object.
344 -- The object either contains multiple versions compressed
345 -- together to achieve a better compression ratio, or it refers
346 -- to another row where the text can be found.
347 old_flags tinyblob
NOT NULL
348 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
349 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
353 -- Holding area for deleted articles, which may be viewed
354 -- or restored by admins through the Special:Undelete interface.
355 -- The fields generally correspond to the page, revision, and text
356 -- fields, with several caveats.
358 CREATE TABLE /*_*/archive (
359 ar_namespace
int NOT NULL default 0,
360 ar_title
varchar(255) binary NOT NULL default '',
362 -- Newly deleted pages will not store text in this table,
363 -- but will reference the separately existing text rows.
364 -- This field is retained for backwards compatibility,
365 -- so old archived pages will remain accessible after
366 -- upgrading from 1.4 to 1.5.
367 -- Text may be gzipped or otherwise funky.
368 ar_text mediumblob
NOT NULL,
370 -- Basic revision stuff...
371 ar_comment tinyblob
NOT NULL,
372 ar_user
int unsigned
NOT NULL default 0,
373 ar_user_text
varchar(255) binary NOT NULL,
374 ar_timestamp
binary(14) NOT NULL default '',
375 ar_minor_edit tinyint
NOT NULL default 0,
378 ar_flags tinyblob
NOT NULL,
380 -- When revisions are deleted, their unique rev_id is stored
381 -- here so it can be retained after undeletion. This is necessary
382 -- to retain permalinks to given revisions after accidental delete
383 -- cycles or messy operations like history merges.
385 -- Old entries from 1.4 will be NULL here, and a new rev_id will
386 -- be created on undeletion for those revisions.
387 ar_rev_id
int unsigned
,
389 -- For newly deleted revisions, this is the text.old_id key to the
390 -- actual stored text. To avoid breaking the block-compression scheme
391 -- and otherwise making storage changes harder, the actual text is
392 -- *not* deleted from the text table, merely hidden by removal of the
393 -- page and revision entries.
395 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
396 -- ar_text and ar_flags fields will be used to create a new text
397 -- row upon undeletion.
398 ar_text_id
int unsigned
,
400 -- rev_deleted for archives
401 ar_deleted tinyint unsigned
NOT NULL default 0,
403 -- Length of this revision in bytes
406 -- Reference to page_id. Useful for sysadmin fixing of large pages
407 -- merged together in the archives, or for cleanly restoring a page
408 -- at its original ID number if possible.
410 -- Will be NULL for pages deleted prior to 1.11.
411 ar_page_id
int unsigned
,
413 -- Original previous revision
414 ar_parent_id
int unsigned
default NULL
415 ) /*$wgDBTableOptions*/;
417 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
418 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
419 CREATE INDEX /*i*/ar_page_revid
ON /*_*/archive (ar_namespace
, ar_title
, ar_rev_id
);
423 -- Track page-to-page hyperlinks within the wiki.
425 CREATE TABLE /*_*/pagelinks (
426 -- Key to the page_id of the page containing the link.
427 pl_from
int unsigned
NOT NULL default 0,
429 -- Key to page_namespace/page_title of the target page.
430 -- The target page may or may not exist, and due to renames
431 -- and deletions may refer to different page records as time
433 pl_namespace
int NOT NULL default 0,
434 pl_title
varchar(255) binary NOT NULL default ''
435 ) /*$wgDBTableOptions*/;
437 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
438 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
442 -- Track template inclusions.
444 CREATE TABLE /*_*/templatelinks (
445 -- Key to the page_id of the page containing the link.
446 tl_from
int unsigned
NOT NULL default 0,
448 -- Key to page_namespace/page_title of the target page.
449 -- The target page may or may not exist, and due to renames
450 -- and deletions may refer to different page records as time
452 tl_namespace
int NOT NULL default 0,
453 tl_title
varchar(255) binary NOT NULL default ''
454 ) /*$wgDBTableOptions*/;
456 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
457 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
461 -- Track links to images *used inline*
462 -- We don't distinguish live from broken links here, so
463 -- they do not need to be changed on upload/removal.
465 CREATE TABLE /*_*/imagelinks (
466 -- Key to page_id of the page containing the image / media link.
467 il_from
int unsigned
NOT NULL default 0,
469 -- Filename of target image.
470 -- This is also the page_title of the file's description page;
471 -- all such pages are in namespace 6 (NS_FILE).
472 il_to
varchar(255) binary NOT NULL default ''
473 ) /*$wgDBTableOptions*/;
475 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
476 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
480 -- Track category inclusions *used inline*
481 -- This tracks a single level of category membership
483 CREATE TABLE /*_*/categorylinks (
484 -- Key to page_id of the page defined as a category member.
485 cl_from
int unsigned
NOT NULL default 0,
487 -- Name of the category.
488 -- This is also the page_title of the category's description page;
489 -- all such pages are in namespace 14 (NS_CATEGORY).
490 cl_to
varchar(255) binary NOT NULL default '',
492 -- A binary string obtained by applying a sortkey generation algorithm
493 -- (Language::convertToSortkey()) to page_title, or cl_sortkey_prefix . "\0"
494 -- . page_title if cl_sortkey_prefix is nonempty.
495 cl_sortkey
varbinary(230) NOT NULL default '',
497 -- A prefix for the raw sortkey manually specified by the user, either via
498 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
499 -- concatenated with a null followed by the page title before the sortkey
500 -- conversion algorithm is run. We store this so that we can update
501 -- collations without reparsing all pages.
502 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
504 -- This isn't really used at present. Provided for an optional
505 -- sorting method by approximate addition time.
506 cl_timestamp
timestamp NOT NULL,
508 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
509 -- can be used to install new collation versions, tracking which rows are not
510 -- yet updated. '' means no collation, this is a legacy row that needs to be
511 -- updated by updateCollation.php. In the future, it might be possible to
512 -- specify different collations per category.
513 cl_collation
varbinary(32) NOT NULL default '',
515 -- Stores whether cl_from is a category, file, or other page, so we can
516 -- paginate the three categories separately. This never has to be updated
517 -- after the page is created, since none of these page types can be moved to
519 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
520 ) /*$wgDBTableOptions*/;
522 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
524 -- We always sort within a given category, and within a given type. FIXME:
525 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
526 -- callers won't be using an index: fix this?
527 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
530 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
532 -- For finding rows with outdated collation
533 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
536 -- Track all existing categories. Something is a category if 1) it has an en-
537 -- try somewhere in categorylinks, or 2) it once did. Categories might not
538 -- have corresponding pages, so they need to be tracked separately.
540 CREATE TABLE /*_*/category (
542 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
544 -- Name of the category, in the same form as page_title (with underscores).
545 -- If there is a category page corresponding to this category, by definition,
546 -- it has this name (in the Category namespace).
547 cat_title
varchar(255) binary NOT NULL,
549 -- The numbers of member pages (including categories and media), subcatego-
550 -- ries, and Image: namespace members, respectively. These are signed to
551 -- make underflow more obvious. We make the first number include the second
552 -- two for better sorting: subtracting for display is easy, adding for order-
554 cat_pages
int signed
NOT NULL default 0,
555 cat_subcats
int signed
NOT NULL default 0,
556 cat_files
int signed
NOT NULL default 0,
558 -- Reserved for future use
559 cat_hidden tinyint unsigned
NOT NULL default 0
560 ) /*$wgDBTableOptions*/;
562 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
564 -- For Special:Mostlinkedcategories
565 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
569 -- Track links to external URLs
571 CREATE TABLE /*_*/externallinks (
572 -- page_id of the referring page
573 el_from
int unsigned
NOT NULL default 0,
578 -- In the case of HTTP URLs, this is the URL with any username or password
579 -- removed, and with the labels in the hostname reversed and converted to
580 -- lower case. An extra dot is added to allow for matching of either
581 -- example.com or *.example.com in a single scan.
583 -- http://user:password@sub.example.com/page.html
585 -- http://com.example.sub./page.html
586 -- which allows for fast searching for all pages under example.com with the
588 -- WHERE el_index LIKE 'http://com.example.%'
589 el_index
blob NOT NULL
590 ) /*$wgDBTableOptions*/;
592 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
593 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
594 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
598 -- Track external user accounts, if ExternalAuth is used
600 CREATE TABLE /*_*/external_user (
601 -- Foreign key to user_id
602 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
604 -- Some opaque identifier provided by the external database
605 eu_external_id
varchar(255) binary NOT NULL
606 ) /*$wgDBTableOptions*/;
608 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
612 -- Track interlanguage links
614 CREATE TABLE /*_*/langlinks (
615 -- page_id of the referring page
616 ll_from
int unsigned
NOT NULL default 0,
618 -- Language code of the target
619 ll_lang
varbinary(20) NOT NULL default '',
621 -- Title of the target, including namespace
622 ll_title
varchar(255) binary NOT NULL default ''
623 ) /*$wgDBTableOptions*/;
625 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
626 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
630 -- Track inline interwiki links
632 CREATE TABLE /*_*/iwlinks (
633 -- page_id of the referring page
634 iwl_from
int unsigned
NOT NULL default 0,
636 -- Interwiki prefix code of the target
637 iwl_prefix
varbinary(20) NOT NULL default '',
639 -- Title of the target, including namespace
640 iwl_title
varchar(255) binary NOT NULL default ''
641 ) /*$wgDBTableOptions*/;
643 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
644 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
648 -- Contains a single row with some aggregate info
649 -- on the state of the site.
651 CREATE TABLE /*_*/site_stats (
652 -- The single row should contain 1 here.
653 ss_row_id
int unsigned
NOT NULL,
655 -- Total number of page views, if hit counters are enabled.
656 ss_total_views
bigint unsigned
default 0,
658 -- Total number of edits performed.
659 ss_total_edits
bigint unsigned
default 0,
661 -- An approximate count of pages matching the following criteria:
664 -- * contains the text '[['
665 -- See Article::isCountable() in includes/Article.php
666 ss_good_articles
bigint unsigned
default 0,
668 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
669 ss_total_pages
bigint default '-1',
671 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
672 ss_users
bigint default '-1',
674 -- Number of users that still edit
675 ss_active_users
bigint default '-1',
677 -- Deprecated, no longer updated as of 1.5
678 ss_admins
int default '-1',
680 -- Number of images, equivalent to SELECT COUNT(*) FROM image
681 ss_images
int default 0
682 ) /*$wgDBTableOptions*/;
684 -- Pointless index to assuage developer superstitions
685 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
689 -- Stores an ID for every time any article is visited;
690 -- depending on $wgHitcounterUpdateFreq, it is
691 -- periodically cleared and the page_counter column
692 -- in the page table updated for all the articles
693 -- that have been visited.)
695 CREATE TABLE /*_*/hitcounter (
696 hc_id
int unsigned
NOT NULL
697 ) ENGINE
=HEAP MAX_ROWS
=25000;
701 -- The internet is full of jerks, alas. Sometimes it's handy
702 -- to block a vandal or troll account.
704 CREATE TABLE /*_*/ipblocks (
705 -- Primary key, introduced for privacy.
706 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
708 -- Blocked IP address in dotted-quad form or user name.
709 ipb_address tinyblob
NOT NULL,
711 -- Blocked user ID or 0 for IP blocks.
712 ipb_user
int unsigned
NOT NULL default 0,
714 -- User ID who made the block.
715 ipb_by
int unsigned
NOT NULL default 0,
717 -- User name of blocker
718 ipb_by_text
varchar(255) binary NOT NULL default '',
720 -- Text comment made by blocker.
721 ipb_reason tinyblob
NOT NULL,
723 -- Creation (or refresh) date in standard YMDHMS form.
724 -- IP blocks expire automatically.
725 ipb_timestamp
binary(14) NOT NULL default '',
727 -- Indicates that the IP address was banned because a banned
728 -- user accessed a page through it. If this is 1, ipb_address
729 -- will be hidden, and the block identified by block ID number.
730 ipb_auto bool
NOT NULL default 0,
732 -- If set to 1, block applies only to logged-out users
733 ipb_anon_only bool
NOT NULL default 0,
735 -- Block prevents account creation from matching IP addresses
736 ipb_create_account bool
NOT NULL default 1,
738 -- Block triggers autoblocks
739 ipb_enable_autoblock bool
NOT NULL default '1',
741 -- Time at which the block will expire.
743 ipb_expiry
varbinary(14) NOT NULL default '',
745 -- Start and end of an address range, in hexadecimal
746 -- Size chosen to allow IPv6
747 ipb_range_start tinyblob
NOT NULL,
748 ipb_range_end tinyblob
NOT NULL,
750 -- Flag for entries hidden from users and Sysops
751 ipb_deleted bool
NOT NULL default 0,
753 -- Block prevents user from accessing Special:Emailuser
754 ipb_block_email bool
NOT NULL default 0,
756 -- Block allows user to edit their own talk page
757 ipb_allow_usertalk bool
NOT NULL default 0
759 ) /*$wgDBTableOptions*/;
761 -- Unique index to support "user already blocked" messages
762 -- Any new options which prevent collisions should be included
763 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
765 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
766 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
767 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
768 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
772 -- Uploaded images and other files.
774 CREATE TABLE /*_*/image (
776 -- This is also the title of the associated description page,
777 -- which will be in namespace 6 (NS_FILE).
778 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
780 -- File size in bytes.
781 img_size
int unsigned
NOT NULL default 0,
783 -- For images, size in pixels.
784 img_width
int NOT NULL default 0,
785 img_height
int NOT NULL default 0,
787 -- Extracted EXIF metadata stored as a serialized PHP array.
788 img_metadata mediumblob
NOT NULL,
790 -- For images, bits per pixel if known.
791 img_bits
int NOT NULL default 0,
793 -- Media type as defined by the MEDIATYPE_xxx constants
794 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
796 -- major part of a MIME media type as defined by IANA
797 -- see http://www.iana.org/assignments/media-types/
798 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
800 -- minor part of a MIME media type as defined by IANA
801 -- the minor parts are not required to adher to any standard
802 -- but should be consistent throughout the database
803 -- see http://www.iana.org/assignments/media-types/
804 img_minor_mime
varbinary(100) NOT NULL default "unknown",
806 -- Description field as entered by the uploader.
807 -- This is displayed in image upload history and logs.
808 img_description tinyblob
NOT NULL,
810 -- user_id and user_name of uploader.
811 img_user
int unsigned
NOT NULL default 0,
812 img_user_text
varchar(255) binary NOT NULL,
814 -- Time of the upload.
815 img_timestamp
varbinary(14) NOT NULL default '',
817 -- SHA-1 content hash in base-36
818 img_sha1
varbinary(32) NOT NULL default ''
819 ) /*$wgDBTableOptions*/;
821 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
822 -- Used by Special:ListFiles for sort-by-size
823 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
824 -- Used by Special:Newimages and Special:ListFiles
825 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
826 -- Used in API and duplicate search
827 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
831 -- Previous revisions of uploaded files.
832 -- Awkwardly, image rows have to be moved into
833 -- this table at re-upload time.
835 CREATE TABLE /*_*/oldimage (
836 -- Base filename: key to image.img_name
837 oi_name
varchar(255) binary NOT NULL default '',
839 -- Filename of the archived file.
840 -- This is generally a timestamp and '!' prepended to the base name.
841 oi_archive_name
varchar(255) binary NOT NULL default '',
843 -- Other fields as in image...
844 oi_size
int unsigned
NOT NULL default 0,
845 oi_width
int NOT NULL default 0,
846 oi_height
int NOT NULL default 0,
847 oi_bits
int NOT NULL default 0,
848 oi_description tinyblob
NOT NULL,
849 oi_user
int unsigned
NOT NULL default 0,
850 oi_user_text
varchar(255) binary NOT NULL,
851 oi_timestamp
binary(14) NOT NULL default '',
853 oi_metadata mediumblob
NOT NULL,
854 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
855 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
856 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
857 oi_deleted tinyint unsigned
NOT NULL default 0,
858 oi_sha1
varbinary(32) NOT NULL default ''
859 ) /*$wgDBTableOptions*/;
861 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
862 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
863 -- oi_archive_name truncated to 14 to avoid key length overflow
864 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
865 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
869 -- Record of deleted file data
871 CREATE TABLE /*_*/filearchive (
873 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
875 -- Original base filename; key to image.img_name, page.page_title, etc
876 fa_name
varchar(255) binary NOT NULL default '',
878 -- Filename of archived file, if an old revision
879 fa_archive_name
varchar(255) binary default '',
881 -- Which storage bin (directory tree or object store) the file data
882 -- is stored in. Should be 'deleted' for files that have been deleted;
883 -- any other bin is not yet in use.
884 fa_storage_group
varbinary(16),
886 -- SHA-1 of the file contents plus extension, used as a key for storage.
887 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
889 -- If NULL, the file was missing at deletion time or has been purged
890 -- from the archival storage.
891 fa_storage_key
varbinary(64) default '',
893 -- Deletion information, if this file is deleted.
895 fa_deleted_timestamp
binary(14) default '',
896 fa_deleted_reason
text,
898 -- Duped fields from image
899 fa_size
int unsigned
default 0,
900 fa_width
int default 0,
901 fa_height
int default 0,
902 fa_metadata mediumblob
,
903 fa_bits
int default 0,
904 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
905 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
906 fa_minor_mime
varbinary(100) default "unknown",
907 fa_description tinyblob
,
908 fa_user
int unsigned
default 0,
909 fa_user_text
varchar(255) binary,
910 fa_timestamp
binary(14) default '',
912 -- Visibility of deleted revisions, bitfield
913 fa_deleted tinyint unsigned
NOT NULL default 0
914 ) /*$wgDBTableOptions*/;
916 -- pick out by image name
917 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
918 -- pick out dupe files
919 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
920 -- sort by deletion time
921 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
923 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
927 -- Primarily a summary table for Special:Recentchanges,
928 -- this table contains some additional info on edits from
929 -- the last few days, see Article::editUpdates()
931 CREATE TABLE /*_*/recentchanges (
932 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
933 rc_timestamp
varbinary(14) NOT NULL default '',
934 rc_cur_time
varbinary(14) NOT NULL default '',
937 rc_user
int unsigned
NOT NULL default 0,
938 rc_user_text
varchar(255) binary NOT NULL,
940 -- When pages are renamed, their RC entries do _not_ change.
941 rc_namespace
int NOT NULL default 0,
942 rc_title
varchar(255) binary NOT NULL default '',
945 rc_comment
varchar(255) binary NOT NULL default '',
946 rc_minor tinyint unsigned
NOT NULL default 0,
948 -- Edits by user accounts with the 'bot' rights key are
949 -- marked with a 1 here, and will be hidden from the
951 rc_bot tinyint unsigned
NOT NULL default 0,
953 rc_new tinyint unsigned
NOT NULL default 0,
955 -- Key to page_id (was cur_id prior to 1.5).
956 -- This will keep links working after moves while
957 -- retaining the at-the-time name in the changes list.
958 rc_cur_id
int unsigned
NOT NULL default 0,
960 -- rev_id of the given revision
961 rc_this_oldid
int unsigned
NOT NULL default 0,
963 -- rev_id of the prior revision, for generating diff links.
964 rc_last_oldid
int unsigned
NOT NULL default 0,
966 -- These may no longer be used, with the new move log.
967 rc_type tinyint unsigned
NOT NULL default 0,
968 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
969 rc_moved_to_title
varchar(255) binary NOT NULL default '',
971 -- If the Recent Changes Patrol option is enabled,
972 -- users may mark edits as having been reviewed to
973 -- remove a warning flag on the RC list.
974 -- A value of 1 indicates the page has been reviewed.
975 rc_patrolled tinyint unsigned
NOT NULL default 0,
977 -- Recorded IP address the edit was made from, if the
978 -- $wgPutIPinRC option is enabled.
979 rc_ip
varbinary(40) NOT NULL default '',
981 -- Text length in characters before
982 -- and after the edit
986 -- Visibility of recent changes items, bitfield
987 rc_deleted tinyint unsigned
NOT NULL default 0,
989 -- Value corresonding to log_id, specific log entries
990 rc_logid
int unsigned
NOT NULL default 0,
991 -- Store log type info here, or null
992 rc_log_type
varbinary(255) NULL default NULL,
993 -- Store log action or null
994 rc_log_action
varbinary(255) NULL default NULL,
997 ) /*$wgDBTableOptions*/;
999 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1000 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1001 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1002 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1003 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1004 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1005 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1008 CREATE TABLE /*_*/watchlist (
1009 -- Key to user.user_id
1010 wl_user
int unsigned
NOT NULL,
1012 -- Key to page_namespace/page_title
1013 -- Note that users may watch pages which do not exist yet,
1014 -- or existed in the past but have been deleted.
1015 wl_namespace
int NOT NULL default 0,
1016 wl_title
varchar(255) binary NOT NULL default '',
1018 -- Timestamp when user was last sent a notification e-mail;
1019 -- cleared when the user visits the page.
1020 wl_notificationtimestamp
varbinary(14)
1022 ) /*$wgDBTableOptions*/;
1024 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1025 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1029 -- Used by the math module to keep track
1030 -- of previously-rendered items.
1032 CREATE TABLE /*_*/math (
1033 -- Binary MD5 hash of the latex fragment, used as an identifier key.
1034 math_inputhash
varbinary(16) NOT NULL,
1036 -- Not sure what this is, exactly...
1037 math_outputhash
varbinary(16) NOT NULL,
1039 -- texvc reports how well it thinks the HTML conversion worked;
1040 -- if it's a low level the PNG rendering may be preferred.
1041 math_html_conservativeness tinyint
NOT NULL,
1043 -- HTML output from texvc, if any
1046 -- MathML output from texvc, if any
1048 ) /*$wgDBTableOptions*/;
1050 CREATE UNIQUE INDEX /*i*/math_inputhash
ON /*_*/math (math_inputhash
);
1054 -- When using the default MySQL search backend, page titles
1055 -- and text are munged to strip markup, do Unicode case folding,
1056 -- and prepare the result for MySQL's fulltext index.
1058 -- This table must be MyISAM; InnoDB does not support the needed
1061 CREATE TABLE /*_*/searchindex (
1063 si_page
int unsigned
NOT NULL,
1065 -- Munged version of title
1066 si_title
varchar(255) NOT NULL default '',
1068 -- Munged version of body text
1069 si_text mediumtext
NOT NULL
1072 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1073 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1074 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1078 -- Recognized interwiki link prefixes
1080 CREATE TABLE /*_*/interwiki (
1081 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1082 iw_prefix
varchar(32) NOT NULL,
1084 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1085 -- Any spaces in the name will be transformed to underscores before
1087 iw_url
blob NOT NULL,
1089 -- The URL of the file api.php
1090 iw_api
blob NOT NULL,
1092 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1093 iw_wikiid
varchar(64) NOT NULL,
1095 -- A boolean value indicating whether the wiki is in this project
1096 -- (used, for example, to detect redirect loops)
1097 iw_local bool
NOT NULL,
1099 -- Boolean value indicating whether interwiki transclusions are allowed.
1100 iw_trans tinyint
NOT NULL default 0
1101 ) /*$wgDBTableOptions*/;
1103 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1107 -- Used for caching expensive grouped queries
1109 CREATE TABLE /*_*/querycache (
1110 -- A key name, generally the base name of of the special page.
1111 qc_type
varbinary(32) NOT NULL,
1113 -- Some sort of stored value. Sizes, counts...
1114 qc_value
int unsigned
NOT NULL default 0,
1116 -- Target namespace+title
1117 qc_namespace
int NOT NULL default 0,
1118 qc_title
varchar(255) binary NOT NULL default ''
1119 ) /*$wgDBTableOptions*/;
1121 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1125 -- For a few generic cache operations if not using Memcached
1127 CREATE TABLE /*_*/objectcache (
1128 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1131 ) /*$wgDBTableOptions*/;
1132 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1136 -- Cache of interwiki transclusion
1138 CREATE TABLE /*_*/transcache (
1139 tc_url
varbinary(255) NOT NULL,
1141 tc_time
binary(14) NOT NULL
1142 ) /*$wgDBTableOptions*/;
1144 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1147 CREATE TABLE /*_*/logging (
1148 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1149 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1151 -- Symbolic keys for the general log type and the action type
1152 -- within the log. The output format will be controlled by the
1153 -- action field, but only the type controls categorization.
1154 log_type
varbinary(32) NOT NULL default '',
1155 log_action
varbinary(32) NOT NULL default '',
1158 log_timestamp
binary(14) NOT NULL default '19700101000000',
1160 -- The user who performed this action; key to user_id
1161 log_user
int unsigned
NOT NULL default 0,
1163 -- Name of the user who performed this action
1164 log_user_text
varchar(255) binary NOT NULL default '',
1166 -- Key to the page affected. Where a user is the target,
1167 -- this will point to the user page.
1168 log_namespace
int NOT NULL default 0,
1169 log_title
varchar(255) binary NOT NULL default '',
1170 log_page
int unsigned
NULL,
1172 -- Freeform text. Interpreted as edit history comments.
1173 log_comment
varchar(255) NOT NULL default '',
1175 -- LF separated list of miscellaneous parameters
1176 log_params
blob NOT NULL,
1178 -- rev_deleted for logs
1179 log_deleted tinyint unsigned
NOT NULL default 0
1180 ) /*$wgDBTableOptions*/;
1182 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1183 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1184 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1185 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1186 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1187 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1190 CREATE TABLE /*_*/log_search (
1191 -- The type of ID (rev ID, log ID, rev timestamp, username)
1192 ls_field
varbinary(32) NOT NULL,
1193 -- The value of the ID
1194 ls_value
varchar(255) NOT NULL,
1196 ls_log_id
int unsigned
NOT NULL default 0
1197 ) /*$wgDBTableOptions*/;
1198 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1199 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1202 CREATE TABLE /*_*/trackbacks (
1203 tb_id
int PRIMARY KEY AUTO_INCREMENT
,
1204 tb_page
int REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1205 tb_title
varchar(255) NOT NULL,
1206 tb_url
blob NOT NULL,
1208 tb_name
varchar(255)
1209 ) /*$wgDBTableOptions*/;
1210 CREATE INDEX /*i*/tb_page
ON /*_*/trackbacks (tb_page
);
1213 -- Jobs performed by parallel apache threads or a command-line daemon
1214 CREATE TABLE /*_*/job (
1215 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1218 -- Limited to 60 to prevent key length overflow
1219 job_cmd
varbinary(60) NOT NULL default '',
1221 -- Namespace and title to act on
1222 -- Should be 0 and '' if the command does not operate on a title
1223 job_namespace
int NOT NULL,
1224 job_title
varchar(255) binary NOT NULL,
1226 -- Any other parameters to the command
1227 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1228 job_params
blob NOT NULL
1229 ) /*$wgDBTableOptions*/;
1231 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1234 -- Details of updates to cached special pages
1235 CREATE TABLE /*_*/querycache_info (
1236 -- Special page name
1237 -- Corresponds to a qc_type value
1238 qci_type
varbinary(32) NOT NULL default '',
1240 -- Timestamp of last update
1241 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1242 ) /*$wgDBTableOptions*/;
1244 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1247 -- For each redirect, this table contains exactly one row defining its target
1248 CREATE TABLE /*_*/redirect (
1249 -- Key to the page_id of the redirect page
1250 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1252 -- Key to page_namespace/page_title of the target page.
1253 -- The target page may or may not exist, and due to renames
1254 -- and deletions may refer to different page records as time
1256 rd_namespace
int NOT NULL default 0,
1257 rd_title
varchar(255) binary NOT NULL default '',
1258 rd_interwiki
varchar(32) default NULL,
1259 rd_fragment
varchar(255) binary default NULL
1260 ) /*$wgDBTableOptions*/;
1262 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1265 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1266 CREATE TABLE /*_*/querycachetwo (
1267 -- A key name, generally the base name of of the special page.
1268 qcc_type
varbinary(32) NOT NULL,
1270 -- Some sort of stored value. Sizes, counts...
1271 qcc_value
int unsigned
NOT NULL default 0,
1273 -- Target namespace+title
1274 qcc_namespace
int NOT NULL default 0,
1275 qcc_title
varchar(255) binary NOT NULL default '',
1277 -- Target namespace+title2
1278 qcc_namespacetwo
int NOT NULL default 0,
1279 qcc_titletwo
varchar(255) binary NOT NULL default ''
1280 ) /*$wgDBTableOptions*/;
1282 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1283 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1284 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1287 -- Used for storing page restrictions (i.e. protection levels)
1288 CREATE TABLE /*_*/page_restrictions (
1289 -- Page to apply restrictions to (Foreign Key to page).
1290 pr_page
int NOT NULL,
1291 -- The protection type (edit, move, etc)
1292 pr_type
varbinary(60) NOT NULL,
1293 -- The protection level (Sysop, autoconfirmed, etc)
1294 pr_level
varbinary(60) NOT NULL,
1295 -- Whether or not to cascade the protection down to pages transcluded.
1296 pr_cascade tinyint
NOT NULL,
1297 -- Field for future support of per-user restriction.
1299 -- Field for time-limited protection.
1300 pr_expiry
varbinary(14) NULL,
1301 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1302 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1303 ) /*$wgDBTableOptions*/;
1305 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1306 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1307 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1308 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1311 -- Protected titles - nonexistent pages that have been protected
1312 CREATE TABLE /*_*/protected_titles (
1313 pt_namespace
int NOT NULL,
1314 pt_title
varchar(255) binary NOT NULL,
1315 pt_user
int unsigned
NOT NULL,
1317 pt_timestamp
binary(14) NOT NULL,
1318 pt_expiry
varbinary(14) NOT NULL default '',
1319 pt_create_perm
varbinary(60) NOT NULL
1320 ) /*$wgDBTableOptions*/;
1322 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1323 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1326 -- Name/value pairs indexed by page_id
1327 CREATE TABLE /*_*/page_props (
1328 pp_page
int NOT NULL,
1329 pp_propname
varbinary(60) NOT NULL,
1330 pp_value
blob NOT NULL
1331 ) /*$wgDBTableOptions*/;
1333 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1336 -- A table to log updates, one text key row per update.
1337 CREATE TABLE /*_*/updatelog (
1338 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1340 ) /*$wgDBTableOptions*/;
1343 -- A table to track tags for revisions, logs and recent changes.
1344 CREATE TABLE /*_*/change_tag (
1345 -- RCID for the change
1347 -- LOGID for the change
1349 -- REVID for the change
1352 ct_tag
varchar(255) NOT NULL,
1353 -- Parameters for the tag, presently unused
1355 ) /*$wgDBTableOptions*/;
1357 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1358 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1359 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1360 -- Covering index, so we can pull all the info only out of the index.
1361 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1364 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1365 -- that only works on MySQL 4.1+
1366 CREATE TABLE /*_*/tag_summary (
1367 -- RCID for the change
1369 -- LOGID for the change
1371 -- REVID for the change
1373 -- Comma-separated list of tags
1374 ts_tags
blob NOT NULL
1375 ) /*$wgDBTableOptions*/;
1377 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1378 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1379 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1382 CREATE TABLE /*_*/valid_tag (
1383 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1384 ) /*$wgDBTableOptions*/;
1386 -- Table for storing localisation data
1387 CREATE TABLE /*_*/l10n_cache (
1389 lc_lang
varbinary(32) NOT NULL,
1391 lc_key
varchar(255) NOT NULL,
1393 lc_value mediumblob
NOT NULL
1394 ) /*$wgDBTableOptions*/;
1395 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1397 -- Table for storing JSON message blobs for the resource loader
1398 CREATE TABLE /*_*/msg_resource (
1400 mr_resource
varbinary(255) NOT NULL,
1402 mr_lang
varbinary(32) NOT NULL,
1404 mr_blob mediumblob
NOT NULL,
1405 -- Timestamp of last update
1406 mr_timestamp
binary(14) NOT NULL
1407 ) /*$wgDBTableOptions*/;
1408 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1410 -- Table for administering which message is contained in which resource
1411 CREATE TABLE /*_*/msg_resource_links (
1412 mrl_resource
varbinary(255) NOT NULL,
1414 mrl_message
varbinary(255) NOT NULL
1415 ) /*$wgDBTableOptions*/;
1416 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1418 -- Table for tracking which local files a module depends on that aren't
1419 -- registered directly.
1420 -- Currently only used for tracking images that CSS depends on
1421 CREATE TABLE /*_*/module_deps (
1423 md_module
varbinary(255) NOT NULL,
1425 md_skin
varbinary(32) NOT NULL,
1426 -- JSON blob with file dependencies
1427 md_deps mediumblob
NOT NULL
1428 ) /*$wgDBTableOptions*/;
1429 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1431 -- vim: sw=2 sts=2 et