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 TIMESTAMPTZ fields for timestamps,
29 -- and we will migrate the MySQL definitions at some point as
33 -- The /*_*/ comments in this and other files are
34 -- replaced with the defined table prefix by the installer
35 -- and updater scripts. If you are installing or running
36 -- updates manually, you will need to manually insert the
37 -- table prefix if any when running these scripts.
42 -- The user table contains basic account information,
43 -- authentication keys, etc.
45 -- Some multi-wiki sites may share a single central user table
46 -- between separate wikis using the $wgSharedDB setting.
48 -- Note that when a external authentication plugin is used,
49 -- user table entries still need to be created to store
50 -- preferences and to key tracking information in the other
53 CREATE TABLE /*_*/user (
54 user_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
56 -- Usernames must be unique, must not be in the form of
57 -- an IP address. _Shouldn't_ allow slashes or case
58 -- conflicts. Spaces are allowed, and are _not_ converted
59 -- to underscores like titles. See the User::newFromName() for
60 -- the specific tests that usernames have to pass.
61 user_name
varchar(255) binary NOT NULL default '',
63 -- Optional 'real name' to be displayed in credit listings
64 user_real_name
varchar(255) binary NOT NULL default '',
66 -- Password hashes, see User::crypt() and User::comparePasswords()
67 -- in User.php for the algorithm
68 user_password tinyblob
NOT NULL,
70 -- When using 'mail me a new password', a random
71 -- password is generated and the hash stored here.
72 -- The previous password is left in place until
73 -- someone actually logs in with the new password,
74 -- at which point the hash is moved to user_password
75 -- and the old password is invalidated.
76 user_newpassword tinyblob
NOT NULL,
78 -- Timestamp of the last time when a new password was
79 -- sent, for throttling and expiring purposes
80 -- Emailed passwords will expire $wgNewPasswordExpiry
81 -- (a week) after being set. If user_newpass_time is NULL
82 -- (eg. created by mail) it doesn't expire.
83 user_newpass_time
binary(14),
85 -- Note: email should be restricted, not public info.
86 -- Same with passwords.
87 user_email tinytext
NOT NULL,
89 -- This is a timestamp which is updated when a user
90 -- logs in, logs out, changes preferences, or performs
91 -- some other action requiring HTML cache invalidation
92 -- to ensure that the UI is updated.
93 user_touched
binary(14) NOT NULL default '',
95 -- A pseudorandomly generated value that is stored in
96 -- a cookie when the "remember password" feature is
97 -- used (previously, a hash of the password was used, but
98 -- this was vulnerable to cookie-stealing attacks)
99 user_token
binary(32) NOT NULL default '',
101 -- Initially NULL; when a user's e-mail address has been
102 -- validated by returning with a mailed token, this is
103 -- set to the current timestamp.
104 user_email_authenticated
binary(14),
106 -- Randomly generated token created when the e-mail address
107 -- is set and a confirmation test mail sent.
108 user_email_token
binary(32),
110 -- Expiration date for the user_email_token
111 user_email_token_expires
binary(14),
113 -- Timestamp of account registration.
114 -- Accounts predating this schema addition may contain NULL.
115 user_registration
binary(14),
117 -- Count of edits and edit-like actions.
119 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
120 -- May contain NULL for old accounts if batch-update scripts haven't been
121 -- run, as well as listing deleted edits and other myriad ways it could be
124 -- Meant primarily for heuristic checks to give an impression of whether
125 -- the account has been used much.
128 ) /*$wgDBTableOptions*/;
130 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
131 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
132 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50));
136 -- User permissions have been broken out to a separate table;
137 -- this allows sites with a shared user table to have different
138 -- permissions assigned to a user in each project.
140 -- This table replaces the old user_rights field which used a
141 -- comma-separated blob.
143 CREATE TABLE /*_*/user_groups (
145 ug_user
int unsigned
NOT NULL default 0,
147 -- Group names are short symbolic string keys.
148 -- The set of group names is open-ended, though in practice
149 -- only some predefined ones are likely to be used.
151 -- At runtime $wgGroupPermissions will associate group keys
152 -- with particular permissions. A user will have the combined
153 -- permissions of any group they're explicitly in, plus
154 -- the implicit '*' and 'user' groups.
155 ug_group
varbinary(32) NOT NULL default ''
156 ) /*$wgDBTableOptions*/;
158 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
159 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
161 -- Stores the groups the user has once belonged to.
162 -- The user may still belong to these groups (check user_groups).
163 -- Users are not autopromoted to groups from which they were removed.
164 CREATE TABLE /*_*/user_former_groups (
166 ufg_user
int unsigned
NOT NULL default 0,
167 ufg_group
varbinary(32) NOT NULL default ''
168 ) /*$wgDBTableOptions*/;
170 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
173 -- Stores notifications of user talk page changes, for the display
174 -- of the "you have new messages" box
176 CREATE TABLE /*_*/user_newtalk (
177 -- Key to user.user_id
178 user_id
int NOT NULL default 0,
179 -- If the user is an anonymous user their IP address is stored here
180 -- since the user_id of 0 is ambiguous
181 user_ip
varbinary(40) NOT NULL default '',
182 -- The highest timestamp of revisions of the talk page viewed
184 user_last_timestamp
varbinary(14) NULL default NULL
185 ) /*$wgDBTableOptions*/;
187 -- Indexes renamed for SQLite in 1.14
188 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
189 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
193 -- User preferences and perhaps other fun stuff. :)
194 -- Replaces the old user.user_options blob, with a couple nice properties:
196 -- 1) We only store non-default settings, so changes to the defauls
197 -- are now reflected for everybody, not just new accounts.
198 -- 2) We can more easily do bulk lookups, statistics, or modifications of
199 -- saved options since it's a sane table structure.
201 CREATE TABLE /*_*/user_properties (
202 -- Foreign key to user.user_id
203 up_user
int NOT NULL,
205 -- Name of the option being saved. This is indexed for bulk lookup.
206 up_property
varbinary(255) NOT NULL,
208 -- Property value as a string.
210 ) /*$wgDBTableOptions*/;
212 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
213 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
216 -- Core of the wiki: each page has an entry here which identifies
217 -- it by title and contains some essential metadata.
219 CREATE TABLE /*_*/page (
220 -- Unique identifier number. The page_id will be preserved across
221 -- edits and rename operations, but not deletions and recreations.
222 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
224 -- A page name is broken into a namespace and a title.
225 -- The namespace keys are UI-language-independent constants,
226 -- defined in includes/Defines.php
227 page_namespace
int NOT NULL,
229 -- The rest of the title, as text.
230 -- Spaces are transformed into underscores in title storage.
231 page_title
varchar(255) binary NOT NULL,
233 -- Comma-separated set of permission keys indicating who
234 -- can move or edit the page.
235 page_restrictions tinyblob
NOT NULL,
237 -- Number of times this page has been viewed.
238 page_counter
bigint unsigned
NOT NULL default 0,
240 -- 1 indicates the article is a redirect.
241 page_is_redirect tinyint unsigned
NOT NULL default 0,
243 -- 1 indicates this is a new entry, with only one edit.
244 -- Not all pages with one edit are new pages.
245 page_is_new tinyint unsigned
NOT NULL default 0,
247 -- Random value between 0 and 1, used for Special:Randompage
248 page_random
real unsigned
NOT NULL,
250 -- This timestamp is updated whenever the page changes in
251 -- a way requiring it to be re-rendered, invalidating caches.
252 -- Aside from editing this includes permission changes,
253 -- creation or deletion of linked pages, and alteration
254 -- of contained templates.
255 page_touched
binary(14) NOT NULL default '',
257 -- Handy key to revision.rev_id of the current revision.
258 -- This may be 0 during page creation, but that shouldn't
259 -- happen outside of a transaction... hopefully.
260 page_latest
int unsigned
NOT NULL,
262 -- Uncompressed length in bytes of the page's current source text.
263 page_len
int unsigned
NOT NULL,
265 -- content model, see CONTENT_MODEL_XXX constants
266 page_content_model
varbinary(32) DEFAULT NULL
267 ) /*$wgDBTableOptions*/;
269 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
270 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
271 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
272 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
275 -- Every edit of a page creates also a revision row.
276 -- This stores metadata about the revision, and a reference
277 -- to the text storage backend.
279 CREATE TABLE /*_*/revision (
280 -- Unique ID to identify each revision
281 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
283 -- Key to page_id. This should _never_ be invalid.
284 rev_page
int unsigned
NOT NULL,
286 -- Key to text.old_id, where the actual bulk text is stored.
287 -- It's possible for multiple revisions to use the same text,
288 -- for instance revisions where only metadata is altered
289 -- or a rollback to a previous version.
290 rev_text_id
int unsigned
NOT NULL,
292 -- Text comment summarizing the change.
293 -- This text is shown in the history and other changes lists,
294 -- rendered in a subset of wiki markup by Linker::formatComment()
295 rev_comment tinyblob
NOT NULL,
297 -- Key to user.user_id of the user who made this edit.
298 -- Stores 0 for anonymous edits and for some mass imports.
299 rev_user
int unsigned
NOT NULL default 0,
301 -- Text username or IP address of the editor.
302 rev_user_text
varchar(255) binary NOT NULL default '',
304 -- Timestamp of when revision was created
305 rev_timestamp
binary(14) NOT NULL default '',
307 -- Records whether the user marked the 'minor edit' checkbox.
308 -- Many automated edits are marked as minor.
309 rev_minor_edit tinyint unsigned
NOT NULL default 0,
311 -- Restrictions on who can access this revision
312 rev_deleted tinyint unsigned
NOT NULL default 0,
314 -- Length of this revision in bytes
315 rev_len
int unsigned
,
317 -- Key to revision.rev_id
318 -- This field is used to add support for a tree structure (The Adjacency List Model)
319 rev_parent_id
int unsigned
default NULL,
321 -- SHA-1 text content hash in base-36
322 rev_sha1
varbinary(32) NOT NULL default '',
324 -- content model, see CONTENT_MODEL_XXX constants
325 rev_content_model
varbinary(32) DEFAULT NULL,
327 -- content format, see CONTENT_FORMAT_XXX constants
328 rev_content_format
varbinary(64) DEFAULT NULL
330 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
331 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
333 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
334 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
335 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
336 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
337 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
338 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
341 -- Holds text of individual page revisions.
343 -- Field names are a holdover from the 'old' revisions table in
344 -- MediaWiki 1.4 and earlier: an upgrade will transform that
345 -- table into the 'text' table to minimize unnecessary churning
346 -- and downtime. If upgrading, the other fields will be left unused.
348 CREATE TABLE /*_*/text (
349 -- Unique text storage key number.
350 -- Note that the 'oldid' parameter used in URLs does *not*
351 -- refer to this number anymore, but to rev_id.
353 -- revision.rev_text_id is a key to this column
354 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
356 -- Depending on the contents of the old_flags field, the text
357 -- may be convenient plain text, or it may be funkily encoded.
358 old_text mediumblob
NOT NULL,
360 -- Comma-separated list of flags:
361 -- gzip: text is compressed with PHP's gzdeflate() function.
362 -- utf8: text was stored as UTF-8.
363 -- If $wgLegacyEncoding option is on, rows *without* this flag
364 -- will be converted to UTF-8 transparently at load time.
365 -- object: text field contained a serialized PHP object.
366 -- The object either contains multiple versions compressed
367 -- together to achieve a better compression ratio, or it refers
368 -- to another row where the text can be found.
369 old_flags tinyblob
NOT NULL
370 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
371 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
375 -- Holding area for deleted articles, which may be viewed
376 -- or restored by admins through the Special:Undelete interface.
377 -- The fields generally correspond to the page, revision, and text
378 -- fields, with several caveats.
380 CREATE TABLE /*_*/archive (
381 ar_namespace
int NOT NULL default 0,
382 ar_title
varchar(255) binary NOT NULL default '',
384 -- Newly deleted pages will not store text in this table,
385 -- but will reference the separately existing text rows.
386 -- This field is retained for backwards compatibility,
387 -- so old archived pages will remain accessible after
388 -- upgrading from 1.4 to 1.5.
389 -- Text may be gzipped or otherwise funky.
390 ar_text mediumblob
NOT NULL,
392 -- Basic revision stuff...
393 ar_comment tinyblob
NOT NULL,
394 ar_user
int unsigned
NOT NULL default 0,
395 ar_user_text
varchar(255) binary NOT NULL,
396 ar_timestamp
binary(14) NOT NULL default '',
397 ar_minor_edit tinyint
NOT NULL default 0,
400 ar_flags tinyblob
NOT NULL,
402 -- When revisions are deleted, their unique rev_id is stored
403 -- here so it can be retained after undeletion. This is necessary
404 -- to retain permalinks to given revisions after accidental delete
405 -- cycles or messy operations like history merges.
407 -- Old entries from 1.4 will be NULL here, and a new rev_id will
408 -- be created on undeletion for those revisions.
409 ar_rev_id
int unsigned
,
411 -- For newly deleted revisions, this is the text.old_id key to the
412 -- actual stored text. To avoid breaking the block-compression scheme
413 -- and otherwise making storage changes harder, the actual text is
414 -- *not* deleted from the text table, merely hidden by removal of the
415 -- page and revision entries.
417 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
418 -- ar_text and ar_flags fields will be used to create a new text
419 -- row upon undeletion.
420 ar_text_id
int unsigned
,
422 -- rev_deleted for archives
423 ar_deleted tinyint unsigned
NOT NULL default 0,
425 -- Length of this revision in bytes
428 -- Reference to page_id. Useful for sysadmin fixing of large pages
429 -- merged together in the archives, or for cleanly restoring a page
430 -- at its original ID number if possible.
432 -- Will be NULL for pages deleted prior to 1.11.
433 ar_page_id
int unsigned
,
435 -- Original previous revision
436 ar_parent_id
int unsigned
default NULL,
438 -- SHA-1 text content hash in base-36
439 ar_sha1
varbinary(32) NOT NULL default '',
441 -- content model, see CONTENT_MODEL_XXX constants
442 ar_content_model
varbinary(32) DEFAULT NULL,
444 -- content format, see CONTENT_FORMAT_XXX constants
445 ar_content_format
varbinary(64) DEFAULT NULL
447 ) /*$wgDBTableOptions*/;
449 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
450 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
451 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
455 -- Track page-to-page hyperlinks within the wiki.
457 CREATE TABLE /*_*/pagelinks (
458 -- Key to the page_id of the page containing the link.
459 pl_from
int unsigned
NOT NULL default 0,
461 -- Key to page_namespace/page_title of the target page.
462 -- The target page may or may not exist, and due to renames
463 -- and deletions may refer to different page records as time
465 pl_namespace
int NOT NULL default 0,
466 pl_title
varchar(255) binary NOT NULL default ''
467 ) /*$wgDBTableOptions*/;
469 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
470 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
474 -- Track template inclusions.
476 CREATE TABLE /*_*/templatelinks (
477 -- Key to the page_id of the page containing the link.
478 tl_from
int unsigned
NOT NULL default 0,
480 -- Key to page_namespace/page_title of the target page.
481 -- The target page may or may not exist, and due to renames
482 -- and deletions may refer to different page records as time
484 tl_namespace
int NOT NULL default 0,
485 tl_title
varchar(255) binary NOT NULL default ''
486 ) /*$wgDBTableOptions*/;
488 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
489 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
493 -- Track links to images *used inline*
494 -- We don't distinguish live from broken links here, so
495 -- they do not need to be changed on upload/removal.
497 CREATE TABLE /*_*/imagelinks (
498 -- Key to page_id of the page containing the image / media link.
499 il_from
int unsigned
NOT NULL default 0,
501 -- Filename of target image.
502 -- This is also the page_title of the file's description page;
503 -- all such pages are in namespace 6 (NS_FILE).
504 il_to
varchar(255) binary NOT NULL default ''
505 ) /*$wgDBTableOptions*/;
507 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
508 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
512 -- Track category inclusions *used inline*
513 -- This tracks a single level of category membership
515 CREATE TABLE /*_*/categorylinks (
516 -- Key to page_id of the page defined as a category member.
517 cl_from
int unsigned
NOT NULL default 0,
519 -- Name of the category.
520 -- This is also the page_title of the category's description page;
521 -- all such pages are in namespace 14 (NS_CATEGORY).
522 cl_to
varchar(255) binary NOT NULL default '',
524 -- A binary string obtained by applying a sortkey generation algorithm
525 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
526 -- . page_title if cl_sortkey_prefix is nonempty.
527 cl_sortkey
varbinary(230) NOT NULL default '',
529 -- A prefix for the raw sortkey manually specified by the user, either via
530 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
531 -- concatenated with a line break followed by the page title before the sortkey
532 -- conversion algorithm is run. We store this so that we can update
533 -- collations without reparsing all pages.
534 -- Note: If you change the length of this field, you also need to change
535 -- code in LinksUpdate.php. See bug 25254.
536 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
538 -- This isn't really used at present. Provided for an optional
539 -- sorting method by approximate addition time.
540 cl_timestamp
timestamp NOT NULL,
542 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
543 -- can be used to install new collation versions, tracking which rows are not
544 -- yet updated. '' means no collation, this is a legacy row that needs to be
545 -- updated by updateCollation.php. In the future, it might be possible to
546 -- specify different collations per category.
547 cl_collation
varbinary(32) NOT NULL default '',
549 -- Stores whether cl_from is a category, file, or other page, so we can
550 -- paginate the three categories separately. This never has to be updated
551 -- after the page is created, since none of these page types can be moved to
553 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
554 ) /*$wgDBTableOptions*/;
556 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
558 -- We always sort within a given category, and within a given type. FIXME:
559 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
560 -- callers won't be using an index: fix this?
561 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
564 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
566 -- For finding rows with outdated collation
567 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
570 -- Track all existing categories. Something is a category if 1) it has an en-
571 -- try somewhere in categorylinks, or 2) it once did. Categories might not
572 -- have corresponding pages, so they need to be tracked separately.
574 CREATE TABLE /*_*/category (
576 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
578 -- Name of the category, in the same form as page_title (with underscores).
579 -- If there is a category page corresponding to this category, by definition,
580 -- it has this name (in the Category namespace).
581 cat_title
varchar(255) binary NOT NULL,
583 -- The numbers of member pages (including categories and media), subcatego-
584 -- ries, and Image: namespace members, respectively. These are signed to
585 -- make underflow more obvious. We make the first number include the second
586 -- two for better sorting: subtracting for display is easy, adding for order-
588 cat_pages
int signed
NOT NULL default 0,
589 cat_subcats
int signed
NOT NULL default 0,
590 cat_files
int signed
NOT NULL default 0
591 ) /*$wgDBTableOptions*/;
593 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
595 -- For Special:Mostlinkedcategories
596 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
600 -- Track links to external URLs
602 CREATE TABLE /*_*/externallinks (
603 -- page_id of the referring page
604 el_from
int unsigned
NOT NULL default 0,
609 -- In the case of HTTP URLs, this is the URL with any username or password
610 -- removed, and with the labels in the hostname reversed and converted to
611 -- lower case. An extra dot is added to allow for matching of either
612 -- example.com or *.example.com in a single scan.
614 -- http://user:password@sub.example.com/page.html
616 -- http://com.example.sub./page.html
617 -- which allows for fast searching for all pages under example.com with the
619 -- WHERE el_index LIKE 'http://com.example.%'
620 el_index
blob NOT NULL
621 ) /*$wgDBTableOptions*/;
623 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
624 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
625 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
629 -- Track external user accounts, if ExternalAuth is used
631 CREATE TABLE /*_*/external_user (
632 -- Foreign key to user_id
633 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
635 -- Some opaque identifier provided by the external database
636 eu_external_id
varchar(255) binary NOT NULL
637 ) /*$wgDBTableOptions*/;
639 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
643 -- Track interlanguage links
645 CREATE TABLE /*_*/langlinks (
646 -- page_id of the referring page
647 ll_from
int unsigned
NOT NULL default 0,
649 -- Language code of the target
650 ll_lang
varbinary(20) NOT NULL default '',
652 -- Title of the target, including namespace
653 ll_title
varchar(255) binary NOT NULL default ''
654 ) /*$wgDBTableOptions*/;
656 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
657 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
661 -- Track inline interwiki links
663 CREATE TABLE /*_*/iwlinks (
664 -- page_id of the referring page
665 iwl_from
int unsigned
NOT NULL default 0,
667 -- Interwiki prefix code of the target
668 iwl_prefix
varbinary(20) NOT NULL default '',
670 -- Title of the target, including namespace
671 iwl_title
varchar(255) binary NOT NULL default ''
672 ) /*$wgDBTableOptions*/;
674 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
675 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
679 -- Contains a single row with some aggregate info
680 -- on the state of the site.
682 CREATE TABLE /*_*/site_stats (
683 -- The single row should contain 1 here.
684 ss_row_id
int unsigned
NOT NULL,
686 -- Total number of page views, if hit counters are enabled.
687 ss_total_views
bigint unsigned
default 0,
689 -- Total number of edits performed.
690 ss_total_edits
bigint unsigned
default 0,
692 -- An approximate count of pages matching the following criteria:
695 -- * contains the text '[['
696 -- See Article::isCountable() in includes/Article.php
697 ss_good_articles
bigint unsigned
default 0,
699 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
700 ss_total_pages
bigint default '-1',
702 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
703 ss_users
bigint default '-1',
705 -- Number of users that still edit
706 ss_active_users
bigint default '-1',
708 -- Number of images, equivalent to SELECT COUNT(*) FROM image
709 ss_images
int default 0
710 ) /*$wgDBTableOptions*/;
712 -- Pointless index to assuage developer superstitions
713 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
717 -- Stores an ID for every time any article is visited;
718 -- depending on $wgHitcounterUpdateFreq, it is
719 -- periodically cleared and the page_counter column
720 -- in the page table updated for all the articles
721 -- that have been visited.)
723 CREATE TABLE /*_*/hitcounter (
724 hc_id
int unsigned
NOT NULL
725 ) ENGINE
=HEAP MAX_ROWS
=25000;
729 -- The internet is full of jerks, alas. Sometimes it's handy
730 -- to block a vandal or troll account.
732 CREATE TABLE /*_*/ipblocks (
733 -- Primary key, introduced for privacy.
734 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
736 -- Blocked IP address in dotted-quad form or user name.
737 ipb_address tinyblob
NOT NULL,
739 -- Blocked user ID or 0 for IP blocks.
740 ipb_user
int unsigned
NOT NULL default 0,
742 -- User ID who made the block.
743 ipb_by
int unsigned
NOT NULL default 0,
745 -- User name of blocker
746 ipb_by_text
varchar(255) binary NOT NULL default '',
748 -- Text comment made by blocker.
749 ipb_reason tinyblob
NOT NULL,
751 -- Creation (or refresh) date in standard YMDHMS form.
752 -- IP blocks expire automatically.
753 ipb_timestamp
binary(14) NOT NULL default '',
755 -- Indicates that the IP address was banned because a banned
756 -- user accessed a page through it. If this is 1, ipb_address
757 -- will be hidden, and the block identified by block ID number.
758 ipb_auto bool
NOT NULL default 0,
760 -- If set to 1, block applies only to logged-out users
761 ipb_anon_only bool
NOT NULL default 0,
763 -- Block prevents account creation from matching IP addresses
764 ipb_create_account bool
NOT NULL default 1,
766 -- Block triggers autoblocks
767 ipb_enable_autoblock bool
NOT NULL default '1',
769 -- Time at which the block will expire.
771 ipb_expiry
varbinary(14) NOT NULL default '',
773 -- Start and end of an address range, in hexadecimal
774 -- Size chosen to allow IPv6
775 ipb_range_start tinyblob
NOT NULL,
776 ipb_range_end tinyblob
NOT NULL,
778 -- Flag for entries hidden from users and Sysops
779 ipb_deleted bool
NOT NULL default 0,
781 -- Block prevents user from accessing Special:Emailuser
782 ipb_block_email bool
NOT NULL default 0,
784 -- Block allows user to edit their own talk page
785 ipb_allow_usertalk bool
NOT NULL default 0,
787 -- ID of the block that caused this block to exist
788 -- Autoblocks set this to the original block
789 -- so that the original block being deleted also
790 -- deletes the autoblocks
791 ipb_parent_block_id
int default NULL
793 ) /*$wgDBTableOptions*/;
795 -- Unique index to support "user already blocked" messages
796 -- Any new options which prevent collisions should be included
797 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
799 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
800 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
801 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
802 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
803 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
807 -- Uploaded images and other files.
809 CREATE TABLE /*_*/image (
811 -- This is also the title of the associated description page,
812 -- which will be in namespace 6 (NS_FILE).
813 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
815 -- File size in bytes.
816 img_size
int unsigned
NOT NULL default 0,
818 -- For images, size in pixels.
819 img_width
int NOT NULL default 0,
820 img_height
int NOT NULL default 0,
822 -- Extracted EXIF metadata stored as a serialized PHP array.
823 img_metadata mediumblob
NOT NULL,
825 -- For images, bits per pixel if known.
826 img_bits
int NOT NULL default 0,
828 -- Media type as defined by the MEDIATYPE_xxx constants
829 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
831 -- major part of a MIME media type as defined by IANA
832 -- see http://www.iana.org/assignments/media-types/
833 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
835 -- minor part of a MIME media type as defined by IANA
836 -- the minor parts are not required to adher to any standard
837 -- but should be consistent throughout the database
838 -- see http://www.iana.org/assignments/media-types/
839 img_minor_mime
varbinary(100) NOT NULL default "unknown",
841 -- Description field as entered by the uploader.
842 -- This is displayed in image upload history and logs.
843 img_description tinyblob
NOT NULL,
845 -- user_id and user_name of uploader.
846 img_user
int unsigned
NOT NULL default 0,
847 img_user_text
varchar(255) binary NOT NULL,
849 -- Time of the upload.
850 img_timestamp
varbinary(14) NOT NULL default '',
852 -- SHA-1 content hash in base-36
853 img_sha1
varbinary(32) NOT NULL default ''
854 ) /*$wgDBTableOptions*/;
856 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
857 -- Used by Special:ListFiles for sort-by-size
858 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
859 -- Used by Special:Newimages and Special:ListFiles
860 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
861 -- Used in API and duplicate search
862 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1(10));
866 -- Previous revisions of uploaded files.
867 -- Awkwardly, image rows have to be moved into
868 -- this table at re-upload time.
870 CREATE TABLE /*_*/oldimage (
871 -- Base filename: key to image.img_name
872 oi_name
varchar(255) binary NOT NULL default '',
874 -- Filename of the archived file.
875 -- This is generally a timestamp and '!' prepended to the base name.
876 oi_archive_name
varchar(255) binary NOT NULL default '',
878 -- Other fields as in image...
879 oi_size
int unsigned
NOT NULL default 0,
880 oi_width
int NOT NULL default 0,
881 oi_height
int NOT NULL default 0,
882 oi_bits
int NOT NULL default 0,
883 oi_description tinyblob
NOT NULL,
884 oi_user
int unsigned
NOT NULL default 0,
885 oi_user_text
varchar(255) binary NOT NULL,
886 oi_timestamp
binary(14) NOT NULL default '',
888 oi_metadata mediumblob
NOT NULL,
889 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
890 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
891 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
892 oi_deleted tinyint unsigned
NOT NULL default 0,
893 oi_sha1
varbinary(32) NOT NULL default ''
894 ) /*$wgDBTableOptions*/;
896 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
897 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
898 -- oi_archive_name truncated to 14 to avoid key length overflow
899 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
900 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1(10));
904 -- Record of deleted file data
906 CREATE TABLE /*_*/filearchive (
908 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
910 -- Original base filename; key to image.img_name, page.page_title, etc
911 fa_name
varchar(255) binary NOT NULL default '',
913 -- Filename of archived file, if an old revision
914 fa_archive_name
varchar(255) binary default '',
916 -- Which storage bin (directory tree or object store) the file data
917 -- is stored in. Should be 'deleted' for files that have been deleted;
918 -- any other bin is not yet in use.
919 fa_storage_group
varbinary(16),
921 -- SHA-1 of the file contents plus extension, used as a key for storage.
922 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
924 -- If NULL, the file was missing at deletion time or has been purged
925 -- from the archival storage.
926 fa_storage_key
varbinary(64) default '',
928 -- Deletion information, if this file is deleted.
930 fa_deleted_timestamp
binary(14) default '',
931 fa_deleted_reason
text,
933 -- Duped fields from image
934 fa_size
int unsigned
default 0,
935 fa_width
int default 0,
936 fa_height
int default 0,
937 fa_metadata mediumblob
,
938 fa_bits
int default 0,
939 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
940 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
941 fa_minor_mime
varbinary(100) default "unknown",
942 fa_description tinyblob
,
943 fa_user
int unsigned
default 0,
944 fa_user_text
varchar(255) binary,
945 fa_timestamp
binary(14) default '',
947 -- Visibility of deleted revisions, bitfield
948 fa_deleted tinyint unsigned
NOT NULL default 0,
950 -- sha1 hash of file content
951 fa_sha1
varbinary(32) NOT NULL default ''
952 ) /*$wgDBTableOptions*/;
954 -- pick out by image name
955 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
956 -- pick out dupe files
957 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
958 -- sort by deletion time
959 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
961 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
962 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
963 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1(10));
967 -- Store information about newly uploaded files before they're
968 -- moved into the actual filestore
970 CREATE TABLE /*_*/uploadstash (
971 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
973 -- the user who uploaded the file.
974 us_user
int unsigned
NOT NULL,
976 -- file key. this is how applications actually search for the file.
977 -- this might go away, or become the primary key.
978 us_key
varchar(255) NOT NULL,
981 us_orig_path
varchar(255) NOT NULL,
983 -- the temporary path at which the file is actually stored
984 us_path
varchar(255) NOT NULL,
986 -- which type of upload the file came from (sometimes)
987 us_source_type
varchar(50),
989 -- the date/time on which the file was added
990 us_timestamp
varbinary(14) NOT NULL,
992 us_status
varchar(50) NOT NULL,
994 -- chunk counter starts at 0, current offset is stored in us_size
995 us_chunk_inx
int unsigned
NULL,
997 -- file properties from File::getPropsFromPath. these may prove unnecessary.
999 us_size
int unsigned
NOT NULL,
1000 -- this hash comes from File::sha1Base36(), and is 31 characters
1001 us_sha1
varchar(31) NOT NULL,
1002 us_mime
varchar(255),
1003 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
1004 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
1005 -- image-specific properties
1006 us_image_width
int unsigned
,
1007 us_image_height
int unsigned
,
1008 us_image_bits
smallint unsigned
1010 ) /*$wgDBTableOptions*/;
1012 -- sometimes there's a delete for all of a user's stuff.
1013 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
1014 -- pick out files by key, enforce key uniqueness
1015 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
1016 -- the abandoned upload cleanup script needs this
1017 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1021 -- Primarily a summary table for Special:Recentchanges,
1022 -- this table contains some additional info on edits from
1023 -- the last few days, see Article::editUpdates()
1025 CREATE TABLE /*_*/recentchanges (
1026 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1027 rc_timestamp
varbinary(14) NOT NULL default '',
1029 -- This is no longer used
1030 rc_cur_time
varbinary(14) NOT NULL default '',
1033 rc_user
int unsigned
NOT NULL default 0,
1034 rc_user_text
varchar(255) binary NOT NULL,
1036 -- When pages are renamed, their RC entries do _not_ change.
1037 rc_namespace
int NOT NULL default 0,
1038 rc_title
varchar(255) binary NOT NULL default '',
1040 -- as in revision...
1041 rc_comment
varchar(255) binary NOT NULL default '',
1042 rc_minor tinyint unsigned
NOT NULL default 0,
1044 -- Edits by user accounts with the 'bot' rights key are
1045 -- marked with a 1 here, and will be hidden from the
1047 rc_bot tinyint unsigned
NOT NULL default 0,
1049 -- Set if this change corresponds to a page creation
1050 rc_new tinyint unsigned
NOT NULL default 0,
1052 -- Key to page_id (was cur_id prior to 1.5).
1053 -- This will keep links working after moves while
1054 -- retaining the at-the-time name in the changes list.
1055 rc_cur_id
int unsigned
NOT NULL default 0,
1057 -- rev_id of the given revision
1058 rc_this_oldid
int unsigned
NOT NULL default 0,
1060 -- rev_id of the prior revision, for generating diff links.
1061 rc_last_oldid
int unsigned
NOT NULL default 0,
1063 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG)
1064 rc_type tinyint unsigned
NOT NULL default 0,
1066 -- If the Recent Changes Patrol option is enabled,
1067 -- users may mark edits as having been reviewed to
1068 -- remove a warning flag on the RC list.
1069 -- A value of 1 indicates the page has been reviewed.
1070 rc_patrolled tinyint unsigned
NOT NULL default 0,
1072 -- Recorded IP address the edit was made from, if the
1073 -- $wgPutIPinRC option is enabled.
1074 rc_ip
varbinary(40) NOT NULL default '',
1076 -- Text length in characters before
1077 -- and after the edit
1081 -- Visibility of recent changes items, bitfield
1082 rc_deleted tinyint unsigned
NOT NULL default 0,
1084 -- Value corresonding to log_id, specific log entries
1085 rc_logid
int unsigned
NOT NULL default 0,
1086 -- Store log type info here, or null
1087 rc_log_type
varbinary(255) NULL default NULL,
1088 -- Store log action or null
1089 rc_log_action
varbinary(255) NULL default NULL,
1092 ) /*$wgDBTableOptions*/;
1094 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1095 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1096 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1097 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1098 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1099 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1100 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1103 CREATE TABLE /*_*/watchlist (
1104 -- Key to user.user_id
1105 wl_user
int unsigned
NOT NULL,
1107 -- Key to page_namespace/page_title
1108 -- Note that users may watch pages which do not exist yet,
1109 -- or existed in the past but have been deleted.
1110 wl_namespace
int NOT NULL default 0,
1111 wl_title
varchar(255) binary NOT NULL default '',
1113 -- Timestamp when user was last sent a notification e-mail;
1114 -- cleared when the user visits the page.
1115 wl_notificationtimestamp
varbinary(14)
1117 ) /*$wgDBTableOptions*/;
1119 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1120 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1124 -- When using the default MySQL search backend, page titles
1125 -- and text are munged to strip markup, do Unicode case folding,
1126 -- and prepare the result for MySQL's fulltext index.
1128 -- This table must be MyISAM; InnoDB does not support the needed
1131 CREATE TABLE /*_*/searchindex (
1133 si_page
int unsigned
NOT NULL,
1135 -- Munged version of title
1136 si_title
varchar(255) NOT NULL default '',
1138 -- Munged version of body text
1139 si_text mediumtext
NOT NULL
1142 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1143 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1144 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1148 -- Recognized interwiki link prefixes
1150 CREATE TABLE /*_*/interwiki (
1151 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1152 iw_prefix
varchar(32) NOT NULL,
1154 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1155 -- Any spaces in the name will be transformed to underscores before
1157 iw_url
blob NOT NULL,
1159 -- The URL of the file api.php
1160 iw_api
blob NOT NULL,
1162 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1163 iw_wikiid
varchar(64) NOT NULL,
1165 -- A boolean value indicating whether the wiki is in this project
1166 -- (used, for example, to detect redirect loops)
1167 iw_local bool
NOT NULL,
1169 -- Boolean value indicating whether interwiki transclusions are allowed.
1170 iw_trans tinyint
NOT NULL default 0
1171 ) /*$wgDBTableOptions*/;
1173 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1177 -- Used for caching expensive grouped queries
1179 CREATE TABLE /*_*/querycache (
1180 -- A key name, generally the base name of of the special page.
1181 qc_type
varbinary(32) NOT NULL,
1183 -- Some sort of stored value. Sizes, counts...
1184 qc_value
int unsigned
NOT NULL default 0,
1186 -- Target namespace+title
1187 qc_namespace
int NOT NULL default 0,
1188 qc_title
varchar(255) binary NOT NULL default ''
1189 ) /*$wgDBTableOptions*/;
1191 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1195 -- For a few generic cache operations if not using Memcached
1197 CREATE TABLE /*_*/objectcache (
1198 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1201 ) /*$wgDBTableOptions*/;
1202 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1206 -- Cache of interwiki transclusion
1208 CREATE TABLE /*_*/transcache (
1209 tc_url
varbinary(255) NOT NULL,
1211 tc_time
binary(14) NOT NULL
1212 ) /*$wgDBTableOptions*/;
1214 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1217 CREATE TABLE /*_*/logging (
1218 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1219 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1221 -- Symbolic keys for the general log type and the action type
1222 -- within the log. The output format will be controlled by the
1223 -- action field, but only the type controls categorization.
1224 log_type
varbinary(32) NOT NULL default '',
1225 log_action
varbinary(32) NOT NULL default '',
1228 log_timestamp
binary(14) NOT NULL default '19700101000000',
1230 -- The user who performed this action; key to user_id
1231 log_user
int unsigned
NOT NULL default 0,
1233 -- Name of the user who performed this action
1234 log_user_text
varchar(255) binary NOT NULL default '',
1236 -- Key to the page affected. Where a user is the target,
1237 -- this will point to the user page.
1238 log_namespace
int NOT NULL default 0,
1239 log_title
varchar(255) binary NOT NULL default '',
1240 log_page
int unsigned
NULL,
1242 -- Freeform text. Interpreted as edit history comments.
1243 log_comment
varchar(255) NOT NULL default '',
1245 -- LF separated list of miscellaneous parameters
1246 log_params
blob NOT NULL,
1248 -- rev_deleted for logs
1249 log_deleted tinyint unsigned
NOT NULL default 0
1250 ) /*$wgDBTableOptions*/;
1252 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1253 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1254 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1255 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1256 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1257 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1258 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1261 CREATE TABLE /*_*/log_search (
1262 -- The type of ID (rev ID, log ID, rev timestamp, username)
1263 ls_field
varbinary(32) NOT NULL,
1264 -- The value of the ID
1265 ls_value
varchar(255) NOT NULL,
1267 ls_log_id
int unsigned
NOT NULL default 0
1268 ) /*$wgDBTableOptions*/;
1269 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1270 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1273 -- Jobs performed by parallel apache threads or a command-line daemon
1274 CREATE TABLE /*_*/job (
1275 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1278 -- Limited to 60 to prevent key length overflow
1279 job_cmd
varbinary(60) NOT NULL default '',
1281 -- Namespace and title to act on
1282 -- Should be 0 and '' if the command does not operate on a title
1283 job_namespace
int NOT NULL,
1284 job_title
varchar(255) binary NOT NULL,
1286 -- Timestamp of when the job was inserted
1287 -- NULL for jobs added before addition of the timestamp
1288 job_timestamp
varbinary(14) NULL default NULL,
1290 -- Any other parameters to the command
1291 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1292 job_params
blob NOT NULL,
1294 -- Random, non-unique, number used for concurrent job acquisition
1295 job_random
integer unsigned
NOT NULL default 0,
1297 -- Field that conveys process locks on rows via process UUIDs
1298 job_token
varbinary(32) NOT NULL default '',
1300 -- Timestamp when the job was locked
1301 job_token_timestamp
varbinary(14) NULL default NULL,
1303 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1304 job_sha1
varbinary(32) NOT NULL default ''
1305 ) /*$wgDBTableOptions*/;
1307 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1308 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1309 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1310 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1313 -- Details of updates to cached special pages
1314 CREATE TABLE /*_*/querycache_info (
1315 -- Special page name
1316 -- Corresponds to a qc_type value
1317 qci_type
varbinary(32) NOT NULL default '',
1319 -- Timestamp of last update
1320 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1321 ) /*$wgDBTableOptions*/;
1323 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1326 -- For each redirect, this table contains exactly one row defining its target
1327 CREATE TABLE /*_*/redirect (
1328 -- Key to the page_id of the redirect page
1329 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1331 -- Key to page_namespace/page_title of the target page.
1332 -- The target page may or may not exist, and due to renames
1333 -- and deletions may refer to different page records as time
1335 rd_namespace
int NOT NULL default 0,
1336 rd_title
varchar(255) binary NOT NULL default '',
1337 rd_interwiki
varchar(32) default NULL,
1338 rd_fragment
varchar(255) binary default NULL
1339 ) /*$wgDBTableOptions*/;
1341 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1344 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1345 CREATE TABLE /*_*/querycachetwo (
1346 -- A key name, generally the base name of of the special page.
1347 qcc_type
varbinary(32) NOT NULL,
1349 -- Some sort of stored value. Sizes, counts...
1350 qcc_value
int unsigned
NOT NULL default 0,
1352 -- Target namespace+title
1353 qcc_namespace
int NOT NULL default 0,
1354 qcc_title
varchar(255) binary NOT NULL default '',
1356 -- Target namespace+title2
1357 qcc_namespacetwo
int NOT NULL default 0,
1358 qcc_titletwo
varchar(255) binary NOT NULL default ''
1359 ) /*$wgDBTableOptions*/;
1361 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1362 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1363 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1366 -- Used for storing page restrictions (i.e. protection levels)
1367 CREATE TABLE /*_*/page_restrictions (
1368 -- Page to apply restrictions to (Foreign Key to page).
1369 pr_page
int NOT NULL,
1370 -- The protection type (edit, move, etc)
1371 pr_type
varbinary(60) NOT NULL,
1372 -- The protection level (Sysop, autoconfirmed, etc)
1373 pr_level
varbinary(60) NOT NULL,
1374 -- Whether or not to cascade the protection down to pages transcluded.
1375 pr_cascade tinyint
NOT NULL,
1376 -- Field for future support of per-user restriction.
1378 -- Field for time-limited protection.
1379 pr_expiry
varbinary(14) NULL,
1380 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1381 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1382 ) /*$wgDBTableOptions*/;
1384 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1385 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1386 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1387 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1390 -- Protected titles - nonexistent pages that have been protected
1391 CREATE TABLE /*_*/protected_titles (
1392 pt_namespace
int NOT NULL,
1393 pt_title
varchar(255) binary NOT NULL,
1394 pt_user
int unsigned
NOT NULL,
1396 pt_timestamp
binary(14) NOT NULL,
1397 pt_expiry
varbinary(14) NOT NULL default '',
1398 pt_create_perm
varbinary(60) NOT NULL
1399 ) /*$wgDBTableOptions*/;
1401 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1402 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1405 -- Name/value pairs indexed by page_id
1406 CREATE TABLE /*_*/page_props (
1407 pp_page
int NOT NULL,
1408 pp_propname
varbinary(60) NOT NULL,
1409 pp_value
blob NOT NULL
1410 ) /*$wgDBTableOptions*/;
1412 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1415 -- A table to log updates, one text key row per update.
1416 CREATE TABLE /*_*/updatelog (
1417 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1419 ) /*$wgDBTableOptions*/;
1422 -- A table to track tags for revisions, logs and recent changes.
1423 CREATE TABLE /*_*/change_tag (
1424 -- RCID for the change
1426 -- LOGID for the change
1428 -- REVID for the change
1431 ct_tag
varchar(255) NOT NULL,
1432 -- Parameters for the tag, presently unused
1434 ) /*$wgDBTableOptions*/;
1436 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1437 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1438 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1439 -- Covering index, so we can pull all the info only out of the index.
1440 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1443 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1444 -- that only works on MySQL 4.1+
1445 CREATE TABLE /*_*/tag_summary (
1446 -- RCID for the change
1448 -- LOGID for the change
1450 -- REVID for the change
1452 -- Comma-separated list of tags
1453 ts_tags
blob NOT NULL
1454 ) /*$wgDBTableOptions*/;
1456 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1457 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1458 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1461 CREATE TABLE /*_*/valid_tag (
1462 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1463 ) /*$wgDBTableOptions*/;
1465 -- Table for storing localisation data
1466 CREATE TABLE /*_*/l10n_cache (
1468 lc_lang
varbinary(32) NOT NULL,
1470 lc_key
varchar(255) NOT NULL,
1472 lc_value mediumblob
NOT NULL
1473 ) /*$wgDBTableOptions*/;
1474 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1476 -- Table for caching JSON message blobs for the resource loader
1477 CREATE TABLE /*_*/msg_resource (
1479 mr_resource
varbinary(255) NOT NULL,
1481 mr_lang
varbinary(32) NOT NULL,
1483 mr_blob mediumblob
NOT NULL,
1484 -- Timestamp of last update
1485 mr_timestamp
binary(14) NOT NULL
1486 ) /*$wgDBTableOptions*/;
1487 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1489 -- Table for administering which message is contained in which resource
1490 CREATE TABLE /*_*/msg_resource_links (
1491 mrl_resource
varbinary(255) NOT NULL,
1493 mrl_message
varbinary(255) NOT NULL
1494 ) /*$wgDBTableOptions*/;
1495 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1497 -- Table caching which local files a module depends on that aren't
1498 -- registered directly, used for fast retrieval of file dependency.
1499 -- Currently only used for tracking images that CSS depends on
1500 CREATE TABLE /*_*/module_deps (
1502 md_module
varbinary(255) NOT NULL,
1504 md_skin
varbinary(32) NOT NULL,
1505 -- JSON blob with file dependencies
1506 md_deps mediumblob
NOT NULL
1507 ) /*$wgDBTableOptions*/;
1508 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1510 -- Table for holding configuration changes
1511 CREATE TABLE /*_*/config (
1513 cf_name
varbinary(255) NOT NULL PRIMARY KEY,
1515 cf_value
blob NOT NULL
1516 ) /*$wgDBTableOptions*/;
1517 -- Should cover *most* configuration - strings, ints, bools, etc.
1518 CREATE INDEX /*i*/cf_name_value
ON /*_*/config (cf_name
,cf_value(255));
1520 -- Holds all the sites known to the wiki.
1521 CREATE TABLE /*_*/sites (
1522 -- Numeric id of the site
1523 site_id
INT UNSIGNED
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1525 -- Global identifier for the site, ie 'enwiktionary'
1526 site_global_key
varbinary(32) NOT NULL,
1528 -- Type of the site, ie 'mediawiki'
1529 site_type
varbinary(32) NOT NULL,
1531 -- Group of the site, ie 'wikipedia'
1532 site_group
varbinary(32) NOT NULL,
1534 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1535 site_source
varbinary(32) NOT NULL,
1537 -- Language code of the sites primary language.
1538 site_language
varbinary(32) NOT NULL,
1540 -- Protocol of the site, ie 'http://', 'irc://', '//'
1541 -- This field is an index for lookups and is build from type specific data in site_data.
1542 site_protocol
varbinary(32) NOT NULL,
1544 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1545 -- This field is an index for lookups and is build from type specific data in site_data.
1546 site_domain
VARCHAR(255) NOT NULL,
1548 -- Type dependent site data.
1549 site_data
BLOB NOT NULL,
1551 -- If site.tld/path/key:pageTitle should forward users to the page on
1552 -- the actual site, where "key" is the local identifier.
1553 site_forward bool
NOT NULL,
1555 -- Type dependent site config.
1556 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1557 site_config
BLOB NOT NULL
1558 ) /*$wgDBTableOptions*/;
1560 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1561 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1562 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1563 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1564 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1565 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1566 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1567 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1569 -- Links local site identifiers to their corresponding site.
1570 CREATE TABLE /*_*/site_identifiers (
1571 -- Key on site.site_id
1572 si_site
INT UNSIGNED
NOT NULL,
1574 -- local key type, ie 'interwiki' or 'langlink'
1575 si_type
varbinary(32) NOT NULL,
1577 -- local key value, ie 'en' or 'wiktionary'
1578 si_key
varbinary(32) NOT NULL
1579 ) /*$wgDBTableOptions*/;
1581 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1582 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1583 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);
1585 -- vim: sw=2 sts=2 et