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
264 ) /*$wgDBTableOptions*/;
266 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
267 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
268 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
269 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
272 -- Every edit of a page creates also a revision row.
273 -- This stores metadata about the revision, and a reference
274 -- to the text storage backend.
276 CREATE TABLE /*_*/revision (
277 -- Unique ID to identify each revision
278 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
280 -- Key to page_id. This should _never_ be invalid.
281 rev_page
int unsigned
NOT NULL,
283 -- Key to text.old_id, where the actual bulk text is stored.
284 -- It's possible for multiple revisions to use the same text,
285 -- for instance revisions where only metadata is altered
286 -- or a rollback to a previous version.
287 rev_text_id
int unsigned
NOT NULL,
289 -- Text comment summarizing the change.
290 -- This text is shown in the history and other changes lists,
291 -- rendered in a subset of wiki markup by Linker::formatComment()
292 rev_comment tinyblob
NOT NULL,
294 -- Key to user.user_id of the user who made this edit.
295 -- Stores 0 for anonymous edits and for some mass imports.
296 rev_user
int unsigned
NOT NULL default 0,
298 -- Text username or IP address of the editor.
299 rev_user_text
varchar(255) binary NOT NULL default '',
301 -- Timestamp of when revision was created
302 rev_timestamp
binary(14) NOT NULL default '',
304 -- Records whether the user marked the 'minor edit' checkbox.
305 -- Many automated edits are marked as minor.
306 rev_minor_edit tinyint unsigned
NOT NULL default 0,
308 -- Restrictions on who can access this revision
309 rev_deleted tinyint unsigned
NOT NULL default 0,
311 -- Length of this revision in bytes
312 rev_len
int unsigned
,
314 -- Key to revision.rev_id
315 -- This field is used to add support for a tree structure (The Adjacency List Model)
316 rev_parent_id
int unsigned
default NULL,
318 -- SHA-1 text content hash in base-36
319 rev_sha1
varbinary(32) NOT NULL default ''
321 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
322 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
324 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
325 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
326 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
327 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
328 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
329 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
332 -- Holds text of individual page revisions.
334 -- Field names are a holdover from the 'old' revisions table in
335 -- MediaWiki 1.4 and earlier: an upgrade will transform that
336 -- table into the 'text' table to minimize unnecessary churning
337 -- and downtime. If upgrading, the other fields will be left unused.
339 CREATE TABLE /*_*/text (
340 -- Unique text storage key number.
341 -- Note that the 'oldid' parameter used in URLs does *not*
342 -- refer to this number anymore, but to rev_id.
344 -- revision.rev_text_id is a key to this column
345 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
347 -- Depending on the contents of the old_flags field, the text
348 -- may be convenient plain text, or it may be funkily encoded.
349 old_text mediumblob
NOT NULL,
351 -- Comma-separated list of flags:
352 -- gzip: text is compressed with PHP's gzdeflate() function.
353 -- utf8: text was stored as UTF-8.
354 -- If $wgLegacyEncoding option is on, rows *without* this flag
355 -- will be converted to UTF-8 transparently at load time.
356 -- object: text field contained a serialized PHP object.
357 -- The object either contains multiple versions compressed
358 -- together to achieve a better compression ratio, or it refers
359 -- to another row where the text can be found.
360 old_flags tinyblob
NOT NULL
361 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
362 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
366 -- Holding area for deleted articles, which may be viewed
367 -- or restored by admins through the Special:Undelete interface.
368 -- The fields generally correspond to the page, revision, and text
369 -- fields, with several caveats.
371 CREATE TABLE /*_*/archive (
372 ar_namespace
int NOT NULL default 0,
373 ar_title
varchar(255) binary NOT NULL default '',
375 -- Newly deleted pages will not store text in this table,
376 -- but will reference the separately existing text rows.
377 -- This field is retained for backwards compatibility,
378 -- so old archived pages will remain accessible after
379 -- upgrading from 1.4 to 1.5.
380 -- Text may be gzipped or otherwise funky.
381 ar_text mediumblob
NOT NULL,
383 -- Basic revision stuff...
384 ar_comment tinyblob
NOT NULL,
385 ar_user
int unsigned
NOT NULL default 0,
386 ar_user_text
varchar(255) binary NOT NULL,
387 ar_timestamp
binary(14) NOT NULL default '',
388 ar_minor_edit tinyint
NOT NULL default 0,
391 ar_flags tinyblob
NOT NULL,
393 -- When revisions are deleted, their unique rev_id is stored
394 -- here so it can be retained after undeletion. This is necessary
395 -- to retain permalinks to given revisions after accidental delete
396 -- cycles or messy operations like history merges.
398 -- Old entries from 1.4 will be NULL here, and a new rev_id will
399 -- be created on undeletion for those revisions.
400 ar_rev_id
int unsigned
,
402 -- For newly deleted revisions, this is the text.old_id key to the
403 -- actual stored text. To avoid breaking the block-compression scheme
404 -- and otherwise making storage changes harder, the actual text is
405 -- *not* deleted from the text table, merely hidden by removal of the
406 -- page and revision entries.
408 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
409 -- ar_text and ar_flags fields will be used to create a new text
410 -- row upon undeletion.
411 ar_text_id
int unsigned
,
413 -- rev_deleted for archives
414 ar_deleted tinyint unsigned
NOT NULL default 0,
416 -- Length of this revision in bytes
419 -- Reference to page_id. Useful for sysadmin fixing of large pages
420 -- merged together in the archives, or for cleanly restoring a page
421 -- at its original ID number if possible.
423 -- Will be NULL for pages deleted prior to 1.11.
424 ar_page_id
int unsigned
,
426 -- Original previous revision
427 ar_parent_id
int unsigned
default NULL,
429 -- SHA-1 text content hash in base-36
430 ar_sha1
varbinary(32) NOT NULL default ''
431 ) /*$wgDBTableOptions*/;
433 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
434 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
435 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
439 -- Track page-to-page hyperlinks within the wiki.
441 CREATE TABLE /*_*/pagelinks (
442 -- Key to the page_id of the page containing the link.
443 pl_from
int unsigned
NOT NULL default 0,
445 -- Key to page_namespace/page_title of the target page.
446 -- The target page may or may not exist, and due to renames
447 -- and deletions may refer to different page records as time
449 pl_namespace
int NOT NULL default 0,
450 pl_title
varchar(255) binary NOT NULL default ''
451 ) /*$wgDBTableOptions*/;
453 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
454 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
458 -- Track template inclusions.
460 CREATE TABLE /*_*/templatelinks (
461 -- Key to the page_id of the page containing the link.
462 tl_from
int unsigned
NOT NULL default 0,
464 -- Key to page_namespace/page_title of the target page.
465 -- The target page may or may not exist, and due to renames
466 -- and deletions may refer to different page records as time
468 tl_namespace
int NOT NULL default 0,
469 tl_title
varchar(255) binary NOT NULL default ''
470 ) /*$wgDBTableOptions*/;
472 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
473 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
477 -- Track links to images *used inline*
478 -- We don't distinguish live from broken links here, so
479 -- they do not need to be changed on upload/removal.
481 CREATE TABLE /*_*/imagelinks (
482 -- Key to page_id of the page containing the image / media link.
483 il_from
int unsigned
NOT NULL default 0,
485 -- Filename of target image.
486 -- This is also the page_title of the file's description page;
487 -- all such pages are in namespace 6 (NS_FILE).
488 il_to
varchar(255) binary NOT NULL default ''
489 ) /*$wgDBTableOptions*/;
491 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
492 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
496 -- Track category inclusions *used inline*
497 -- This tracks a single level of category membership
499 CREATE TABLE /*_*/categorylinks (
500 -- Key to page_id of the page defined as a category member.
501 cl_from
int unsigned
NOT NULL default 0,
503 -- Name of the category.
504 -- This is also the page_title of the category's description page;
505 -- all such pages are in namespace 14 (NS_CATEGORY).
506 cl_to
varchar(255) binary NOT NULL default '',
508 -- A binary string obtained by applying a sortkey generation algorithm
509 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
510 -- . page_title if cl_sortkey_prefix is nonempty.
511 cl_sortkey
varbinary(230) NOT NULL default '',
513 -- A prefix for the raw sortkey manually specified by the user, either via
514 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
515 -- concatenated with a line break followed by the page title before the sortkey
516 -- conversion algorithm is run. We store this so that we can update
517 -- collations without reparsing all pages.
518 -- Note: If you change the length of this field, you also need to change
519 -- code in LinksUpdate.php. See bug 25254.
520 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
522 -- This isn't really used at present. Provided for an optional
523 -- sorting method by approximate addition time.
524 cl_timestamp
timestamp NOT NULL,
526 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
527 -- can be used to install new collation versions, tracking which rows are not
528 -- yet updated. '' means no collation, this is a legacy row that needs to be
529 -- updated by updateCollation.php. In the future, it might be possible to
530 -- specify different collations per category.
531 cl_collation
varbinary(32) NOT NULL default '',
533 -- Stores whether cl_from is a category, file, or other page, so we can
534 -- paginate the three categories separately. This never has to be updated
535 -- after the page is created, since none of these page types can be moved to
537 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
538 ) /*$wgDBTableOptions*/;
540 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
542 -- We always sort within a given category, and within a given type. FIXME:
543 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
544 -- callers won't be using an index: fix this?
545 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
548 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
550 -- For finding rows with outdated collation
551 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
554 -- Track all existing categories. Something is a category if 1) it has an en-
555 -- try somewhere in categorylinks, or 2) it once did. Categories might not
556 -- have corresponding pages, so they need to be tracked separately.
558 CREATE TABLE /*_*/category (
560 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
562 -- Name of the category, in the same form as page_title (with underscores).
563 -- If there is a category page corresponding to this category, by definition,
564 -- it has this name (in the Category namespace).
565 cat_title
varchar(255) binary NOT NULL,
567 -- The numbers of member pages (including categories and media), subcatego-
568 -- ries, and Image: namespace members, respectively. These are signed to
569 -- make underflow more obvious. We make the first number include the second
570 -- two for better sorting: subtracting for display is easy, adding for order-
572 cat_pages
int signed
NOT NULL default 0,
573 cat_subcats
int signed
NOT NULL default 0,
574 cat_files
int signed
NOT NULL default 0
575 ) /*$wgDBTableOptions*/;
577 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
579 -- For Special:Mostlinkedcategories
580 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
584 -- Track links to external URLs
586 CREATE TABLE /*_*/externallinks (
587 -- page_id of the referring page
588 el_from
int unsigned
NOT NULL default 0,
593 -- In the case of HTTP URLs, this is the URL with any username or password
594 -- removed, and with the labels in the hostname reversed and converted to
595 -- lower case. An extra dot is added to allow for matching of either
596 -- example.com or *.example.com in a single scan.
598 -- http://user:password@sub.example.com/page.html
600 -- http://com.example.sub./page.html
601 -- which allows for fast searching for all pages under example.com with the
603 -- WHERE el_index LIKE 'http://com.example.%'
604 el_index
blob NOT NULL
605 ) /*$wgDBTableOptions*/;
607 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
608 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
609 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
613 -- Track external user accounts, if ExternalAuth is used
615 CREATE TABLE /*_*/external_user (
616 -- Foreign key to user_id
617 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
619 -- Some opaque identifier provided by the external database
620 eu_external_id
varchar(255) binary NOT NULL
621 ) /*$wgDBTableOptions*/;
623 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
627 -- Track interlanguage links
629 CREATE TABLE /*_*/langlinks (
630 -- page_id of the referring page
631 ll_from
int unsigned
NOT NULL default 0,
633 -- Language code of the target
634 ll_lang
varbinary(20) NOT NULL default '',
636 -- Title of the target, including namespace
637 ll_title
varchar(255) binary NOT NULL default ''
638 ) /*$wgDBTableOptions*/;
640 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
641 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
645 -- Track inline interwiki links
647 CREATE TABLE /*_*/iwlinks (
648 -- page_id of the referring page
649 iwl_from
int unsigned
NOT NULL default 0,
651 -- Interwiki prefix code of the target
652 iwl_prefix
varbinary(20) NOT NULL default '',
654 -- Title of the target, including namespace
655 iwl_title
varchar(255) binary NOT NULL default ''
656 ) /*$wgDBTableOptions*/;
658 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
659 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
663 -- Contains a single row with some aggregate info
664 -- on the state of the site.
666 CREATE TABLE /*_*/site_stats (
667 -- The single row should contain 1 here.
668 ss_row_id
int unsigned
NOT NULL,
670 -- Total number of page views, if hit counters are enabled.
671 ss_total_views
bigint unsigned
default 0,
673 -- Total number of edits performed.
674 ss_total_edits
bigint unsigned
default 0,
676 -- An approximate count of pages matching the following criteria:
679 -- * contains the text '[['
680 -- See Article::isCountable() in includes/Article.php
681 ss_good_articles
bigint unsigned
default 0,
683 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
684 ss_total_pages
bigint default '-1',
686 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
687 ss_users
bigint default '-1',
689 -- Number of users that still edit
690 ss_active_users
bigint default '-1',
692 -- Number of images, equivalent to SELECT COUNT(*) FROM image
693 ss_images
int default 0
694 ) /*$wgDBTableOptions*/;
696 -- Pointless index to assuage developer superstitions
697 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
701 -- Stores an ID for every time any article is visited;
702 -- depending on $wgHitcounterUpdateFreq, it is
703 -- periodically cleared and the page_counter column
704 -- in the page table updated for all the articles
705 -- that have been visited.)
707 CREATE TABLE /*_*/hitcounter (
708 hc_id
int unsigned
NOT NULL
709 ) ENGINE
=HEAP MAX_ROWS
=25000;
713 -- The internet is full of jerks, alas. Sometimes it's handy
714 -- to block a vandal or troll account.
716 CREATE TABLE /*_*/ipblocks (
717 -- Primary key, introduced for privacy.
718 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
720 -- Blocked IP address in dotted-quad form or user name.
721 ipb_address tinyblob
NOT NULL,
723 -- Blocked user ID or 0 for IP blocks.
724 ipb_user
int unsigned
NOT NULL default 0,
726 -- User ID who made the block.
727 ipb_by
int unsigned
NOT NULL default 0,
729 -- User name of blocker
730 ipb_by_text
varchar(255) binary NOT NULL default '',
732 -- Text comment made by blocker.
733 ipb_reason tinyblob
NOT NULL,
735 -- Creation (or refresh) date in standard YMDHMS form.
736 -- IP blocks expire automatically.
737 ipb_timestamp
binary(14) NOT NULL default '',
739 -- Indicates that the IP address was banned because a banned
740 -- user accessed a page through it. If this is 1, ipb_address
741 -- will be hidden, and the block identified by block ID number.
742 ipb_auto bool
NOT NULL default 0,
744 -- If set to 1, block applies only to logged-out users
745 ipb_anon_only bool
NOT NULL default 0,
747 -- Block prevents account creation from matching IP addresses
748 ipb_create_account bool
NOT NULL default 1,
750 -- Block triggers autoblocks
751 ipb_enable_autoblock bool
NOT NULL default '1',
753 -- Time at which the block will expire.
755 ipb_expiry
varbinary(14) NOT NULL default '',
757 -- Start and end of an address range, in hexadecimal
758 -- Size chosen to allow IPv6
759 ipb_range_start tinyblob
NOT NULL,
760 ipb_range_end tinyblob
NOT NULL,
762 -- Flag for entries hidden from users and Sysops
763 ipb_deleted bool
NOT NULL default 0,
765 -- Block prevents user from accessing Special:Emailuser
766 ipb_block_email bool
NOT NULL default 0,
768 -- Block allows user to edit their own talk page
769 ipb_allow_usertalk bool
NOT NULL default 0,
771 -- ID of the block that caused this block to exist
772 -- Autoblocks set this to the original block
773 -- so that the original block being deleted also
774 -- deletes the autoblocks
775 ipb_parent_block_id
int default NULL
777 ) /*$wgDBTableOptions*/;
779 -- Unique index to support "user already blocked" messages
780 -- Any new options which prevent collisions should be included
781 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
783 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
784 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
785 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
786 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
787 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
791 -- Uploaded images and other files.
793 CREATE TABLE /*_*/image (
795 -- This is also the title of the associated description page,
796 -- which will be in namespace 6 (NS_FILE).
797 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
799 -- File size in bytes.
800 img_size
int unsigned
NOT NULL default 0,
802 -- For images, size in pixels.
803 img_width
int NOT NULL default 0,
804 img_height
int NOT NULL default 0,
806 -- Extracted EXIF metadata stored as a serialized PHP array.
807 img_metadata mediumblob
NOT NULL,
809 -- For images, bits per pixel if known.
810 img_bits
int NOT NULL default 0,
812 -- Media type as defined by the MEDIATYPE_xxx constants
813 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
815 -- major part of a MIME media type as defined by IANA
816 -- see http://www.iana.org/assignments/media-types/
817 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
819 -- minor part of a MIME media type as defined by IANA
820 -- the minor parts are not required to adher to any standard
821 -- but should be consistent throughout the database
822 -- see http://www.iana.org/assignments/media-types/
823 img_minor_mime
varbinary(100) NOT NULL default "unknown",
825 -- Description field as entered by the uploader.
826 -- This is displayed in image upload history and logs.
827 img_description tinyblob
NOT NULL,
829 -- user_id and user_name of uploader.
830 img_user
int unsigned
NOT NULL default 0,
831 img_user_text
varchar(255) binary NOT NULL,
833 -- Time of the upload.
834 img_timestamp
varbinary(14) NOT NULL default '',
836 -- SHA-1 content hash in base-36
837 img_sha1
varbinary(32) NOT NULL default ''
838 ) /*$wgDBTableOptions*/;
840 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
841 -- Used by Special:ListFiles for sort-by-size
842 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
843 -- Used by Special:Newimages and Special:ListFiles
844 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
845 -- Used in API and duplicate search
846 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
850 -- Previous revisions of uploaded files.
851 -- Awkwardly, image rows have to be moved into
852 -- this table at re-upload time.
854 CREATE TABLE /*_*/oldimage (
855 -- Base filename: key to image.img_name
856 oi_name
varchar(255) binary NOT NULL default '',
858 -- Filename of the archived file.
859 -- This is generally a timestamp and '!' prepended to the base name.
860 oi_archive_name
varchar(255) binary NOT NULL default '',
862 -- Other fields as in image...
863 oi_size
int unsigned
NOT NULL default 0,
864 oi_width
int NOT NULL default 0,
865 oi_height
int NOT NULL default 0,
866 oi_bits
int NOT NULL default 0,
867 oi_description tinyblob
NOT NULL,
868 oi_user
int unsigned
NOT NULL default 0,
869 oi_user_text
varchar(255) binary NOT NULL,
870 oi_timestamp
binary(14) NOT NULL default '',
872 oi_metadata mediumblob
NOT NULL,
873 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
874 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
875 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
876 oi_deleted tinyint unsigned
NOT NULL default 0,
877 oi_sha1
varbinary(32) NOT NULL default ''
878 ) /*$wgDBTableOptions*/;
880 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
881 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
882 -- oi_archive_name truncated to 14 to avoid key length overflow
883 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
884 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
888 -- Record of deleted file data
890 CREATE TABLE /*_*/filearchive (
892 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
894 -- Original base filename; key to image.img_name, page.page_title, etc
895 fa_name
varchar(255) binary NOT NULL default '',
897 -- Filename of archived file, if an old revision
898 fa_archive_name
varchar(255) binary default '',
900 -- Which storage bin (directory tree or object store) the file data
901 -- is stored in. Should be 'deleted' for files that have been deleted;
902 -- any other bin is not yet in use.
903 fa_storage_group
varbinary(16),
905 -- SHA-1 of the file contents plus extension, used as a key for storage.
906 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
908 -- If NULL, the file was missing at deletion time or has been purged
909 -- from the archival storage.
910 fa_storage_key
varbinary(64) default '',
912 -- Deletion information, if this file is deleted.
914 fa_deleted_timestamp
binary(14) default '',
915 fa_deleted_reason
text,
917 -- Duped fields from image
918 fa_size
int unsigned
default 0,
919 fa_width
int default 0,
920 fa_height
int default 0,
921 fa_metadata mediumblob
,
922 fa_bits
int default 0,
923 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
924 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
925 fa_minor_mime
varbinary(100) default "unknown",
926 fa_description tinyblob
,
927 fa_user
int unsigned
default 0,
928 fa_user_text
varchar(255) binary,
929 fa_timestamp
binary(14) default '',
931 -- Visibility of deleted revisions, bitfield
932 fa_deleted tinyint unsigned
NOT NULL default 0
933 ) /*$wgDBTableOptions*/;
935 -- pick out by image name
936 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
937 -- pick out dupe files
938 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
939 -- sort by deletion time
940 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
942 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
946 -- Store information about newly uploaded files before they're
947 -- moved into the actual filestore
949 CREATE TABLE /*_*/uploadstash (
950 us_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
952 -- the user who uploaded the file.
953 us_user
int unsigned
NOT NULL,
955 -- file key. this is how applications actually search for the file.
956 -- this might go away, or become the primary key.
957 us_key
varchar(255) NOT NULL,
960 us_orig_path
varchar(255) NOT NULL,
962 -- the temporary path at which the file is actually stored
963 us_path
varchar(255) NOT NULL,
965 -- which type of upload the file came from (sometimes)
966 us_source_type
varchar(50),
968 -- the date/time on which the file was added
969 us_timestamp
varbinary(14) NOT NULL,
971 us_status
varchar(50) NOT NULL,
973 -- chunk counter starts at 0, current offset is stored in us_size
974 us_chunk_inx
int unsigned
NULL,
976 -- file properties from File::getPropsFromPath. these may prove unnecessary.
978 us_size
int unsigned
NOT NULL,
979 -- this hash comes from File::sha1Base36(), and is 31 characters
980 us_sha1
varchar(31) NOT NULL,
981 us_mime
varchar(255),
982 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
983 us_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
984 -- image-specific properties
985 us_image_width
int unsigned
,
986 us_image_height
int unsigned
,
987 us_image_bits
smallint unsigned
989 ) /*$wgDBTableOptions*/;
991 -- sometimes there's a delete for all of a user's stuff.
992 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
993 -- pick out files by key, enforce key uniqueness
994 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
995 -- the abandoned upload cleanup script needs this
996 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
1000 -- Primarily a summary table for Special:Recentchanges,
1001 -- this table contains some additional info on edits from
1002 -- the last few days, see Article::editUpdates()
1004 CREATE TABLE /*_*/recentchanges (
1005 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1006 rc_timestamp
varbinary(14) NOT NULL default '',
1008 -- This is no longer used
1009 rc_cur_time
varbinary(14) NOT NULL default '',
1012 rc_user
int unsigned
NOT NULL default 0,
1013 rc_user_text
varchar(255) binary NOT NULL,
1015 -- When pages are renamed, their RC entries do _not_ change.
1016 rc_namespace
int NOT NULL default 0,
1017 rc_title
varchar(255) binary NOT NULL default '',
1019 -- as in revision...
1020 rc_comment
varchar(255) binary NOT NULL default '',
1021 rc_minor tinyint unsigned
NOT NULL default 0,
1023 -- Edits by user accounts with the 'bot' rights key are
1024 -- marked with a 1 here, and will be hidden from the
1026 rc_bot tinyint unsigned
NOT NULL default 0,
1028 -- Set if this change corresponds to a page creation
1029 rc_new tinyint unsigned
NOT NULL default 0,
1031 -- Key to page_id (was cur_id prior to 1.5).
1032 -- This will keep links working after moves while
1033 -- retaining the at-the-time name in the changes list.
1034 rc_cur_id
int unsigned
NOT NULL default 0,
1036 -- rev_id of the given revision
1037 rc_this_oldid
int unsigned
NOT NULL default 0,
1039 -- rev_id of the prior revision, for generating diff links.
1040 rc_last_oldid
int unsigned
NOT NULL default 0,
1042 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG)
1043 rc_type tinyint unsigned
NOT NULL default 0,
1045 -- These may no longer be used, with the new move log.
1046 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
1047 rc_moved_to_title
varchar(255) binary NOT NULL default '',
1049 -- If the Recent Changes Patrol option is enabled,
1050 -- users may mark edits as having been reviewed to
1051 -- remove a warning flag on the RC list.
1052 -- A value of 1 indicates the page has been reviewed.
1053 rc_patrolled tinyint unsigned
NOT NULL default 0,
1055 -- Recorded IP address the edit was made from, if the
1056 -- $wgPutIPinRC option is enabled.
1057 rc_ip
varbinary(40) NOT NULL default '',
1059 -- Text length in characters before
1060 -- and after the edit
1064 -- Visibility of recent changes items, bitfield
1065 rc_deleted tinyint unsigned
NOT NULL default 0,
1067 -- Value corresonding to log_id, specific log entries
1068 rc_logid
int unsigned
NOT NULL default 0,
1069 -- Store log type info here, or null
1070 rc_log_type
varbinary(255) NULL default NULL,
1071 -- Store log action or null
1072 rc_log_action
varbinary(255) NULL default NULL,
1075 ) /*$wgDBTableOptions*/;
1077 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1078 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1079 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1080 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1081 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1082 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1083 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1086 CREATE TABLE /*_*/watchlist (
1087 -- Key to user.user_id
1088 wl_user
int unsigned
NOT NULL,
1090 -- Key to page_namespace/page_title
1091 -- Note that users may watch pages which do not exist yet,
1092 -- or existed in the past but have been deleted.
1093 wl_namespace
int NOT NULL default 0,
1094 wl_title
varchar(255) binary NOT NULL default '',
1096 -- Timestamp when user was last sent a notification e-mail;
1097 -- cleared when the user visits the page.
1098 wl_notificationtimestamp
varbinary(14)
1100 ) /*$wgDBTableOptions*/;
1102 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1103 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1107 -- When using the default MySQL search backend, page titles
1108 -- and text are munged to strip markup, do Unicode case folding,
1109 -- and prepare the result for MySQL's fulltext index.
1111 -- This table must be MyISAM; InnoDB does not support the needed
1114 CREATE TABLE /*_*/searchindex (
1116 si_page
int unsigned
NOT NULL,
1118 -- Munged version of title
1119 si_title
varchar(255) NOT NULL default '',
1121 -- Munged version of body text
1122 si_text mediumtext
NOT NULL
1125 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1126 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1127 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1131 -- Recognized interwiki link prefixes
1133 CREATE TABLE /*_*/interwiki (
1134 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1135 iw_prefix
varchar(32) NOT NULL,
1137 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1138 -- Any spaces in the name will be transformed to underscores before
1140 iw_url
blob NOT NULL,
1142 -- The URL of the file api.php
1143 iw_api
blob NOT NULL,
1145 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1146 iw_wikiid
varchar(64) NOT NULL,
1148 -- A boolean value indicating whether the wiki is in this project
1149 -- (used, for example, to detect redirect loops)
1150 iw_local bool
NOT NULL,
1152 -- Boolean value indicating whether interwiki transclusions are allowed.
1153 iw_trans tinyint
NOT NULL default 0
1154 ) /*$wgDBTableOptions*/;
1156 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1160 -- Used for caching expensive grouped queries
1162 CREATE TABLE /*_*/querycache (
1163 -- A key name, generally the base name of of the special page.
1164 qc_type
varbinary(32) NOT NULL,
1166 -- Some sort of stored value. Sizes, counts...
1167 qc_value
int unsigned
NOT NULL default 0,
1169 -- Target namespace+title
1170 qc_namespace
int NOT NULL default 0,
1171 qc_title
varchar(255) binary NOT NULL default ''
1172 ) /*$wgDBTableOptions*/;
1174 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1178 -- For a few generic cache operations if not using Memcached
1180 CREATE TABLE /*_*/objectcache (
1181 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1184 ) /*$wgDBTableOptions*/;
1185 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1189 -- Cache of interwiki transclusion
1191 CREATE TABLE /*_*/transcache (
1192 tc_url
varbinary(255) NOT NULL,
1194 tc_time
binary(14) NOT NULL
1195 ) /*$wgDBTableOptions*/;
1197 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1200 CREATE TABLE /*_*/logging (
1201 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1202 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1204 -- Symbolic keys for the general log type and the action type
1205 -- within the log. The output format will be controlled by the
1206 -- action field, but only the type controls categorization.
1207 log_type
varbinary(32) NOT NULL default '',
1208 log_action
varbinary(32) NOT NULL default '',
1211 log_timestamp
binary(14) NOT NULL default '19700101000000',
1213 -- The user who performed this action; key to user_id
1214 log_user
int unsigned
NOT NULL default 0,
1216 -- Name of the user who performed this action
1217 log_user_text
varchar(255) binary NOT NULL default '',
1219 -- Key to the page affected. Where a user is the target,
1220 -- this will point to the user page.
1221 log_namespace
int NOT NULL default 0,
1222 log_title
varchar(255) binary NOT NULL default '',
1223 log_page
int unsigned
NULL,
1225 -- Freeform text. Interpreted as edit history comments.
1226 log_comment
varchar(255) NOT NULL default '',
1228 -- LF separated list of miscellaneous parameters
1229 log_params
blob NOT NULL,
1231 -- rev_deleted for logs
1232 log_deleted tinyint unsigned
NOT NULL default 0
1233 ) /*$wgDBTableOptions*/;
1235 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1236 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1237 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1238 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1239 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1240 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1241 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1244 CREATE TABLE /*_*/log_search (
1245 -- The type of ID (rev ID, log ID, rev timestamp, username)
1246 ls_field
varbinary(32) NOT NULL,
1247 -- The value of the ID
1248 ls_value
varchar(255) NOT NULL,
1250 ls_log_id
int unsigned
NOT NULL default 0
1251 ) /*$wgDBTableOptions*/;
1252 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1253 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1256 -- Jobs performed by parallel apache threads or a command-line daemon
1257 CREATE TABLE /*_*/job (
1258 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1261 -- Limited to 60 to prevent key length overflow
1262 job_cmd
varbinary(60) NOT NULL default '',
1264 -- Namespace and title to act on
1265 -- Should be 0 and '' if the command does not operate on a title
1266 job_namespace
int NOT NULL,
1267 job_title
varchar(255) binary NOT NULL,
1269 -- Timestamp of when the job was inserted
1270 -- NULL for jobs added before addition of the timestamp
1271 job_timestamp
varbinary(14) NULL default NULL,
1273 -- Any other parameters to the command
1274 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1275 job_params
blob NOT NULL
1276 ) /*$wgDBTableOptions*/;
1278 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1279 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1282 -- Details of updates to cached special pages
1283 CREATE TABLE /*_*/querycache_info (
1284 -- Special page name
1285 -- Corresponds to a qc_type value
1286 qci_type
varbinary(32) NOT NULL default '',
1288 -- Timestamp of last update
1289 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1290 ) /*$wgDBTableOptions*/;
1292 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1295 -- For each redirect, this table contains exactly one row defining its target
1296 CREATE TABLE /*_*/redirect (
1297 -- Key to the page_id of the redirect page
1298 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1300 -- Key to page_namespace/page_title of the target page.
1301 -- The target page may or may not exist, and due to renames
1302 -- and deletions may refer to different page records as time
1304 rd_namespace
int NOT NULL default 0,
1305 rd_title
varchar(255) binary NOT NULL default '',
1306 rd_interwiki
varchar(32) default NULL,
1307 rd_fragment
varchar(255) binary default NULL
1308 ) /*$wgDBTableOptions*/;
1310 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1313 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1314 CREATE TABLE /*_*/querycachetwo (
1315 -- A key name, generally the base name of of the special page.
1316 qcc_type
varbinary(32) NOT NULL,
1318 -- Some sort of stored value. Sizes, counts...
1319 qcc_value
int unsigned
NOT NULL default 0,
1321 -- Target namespace+title
1322 qcc_namespace
int NOT NULL default 0,
1323 qcc_title
varchar(255) binary NOT NULL default '',
1325 -- Target namespace+title2
1326 qcc_namespacetwo
int NOT NULL default 0,
1327 qcc_titletwo
varchar(255) binary NOT NULL default ''
1328 ) /*$wgDBTableOptions*/;
1330 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1331 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1332 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1335 -- Used for storing page restrictions (i.e. protection levels)
1336 CREATE TABLE /*_*/page_restrictions (
1337 -- Page to apply restrictions to (Foreign Key to page).
1338 pr_page
int NOT NULL,
1339 -- The protection type (edit, move, etc)
1340 pr_type
varbinary(60) NOT NULL,
1341 -- The protection level (Sysop, autoconfirmed, etc)
1342 pr_level
varbinary(60) NOT NULL,
1343 -- Whether or not to cascade the protection down to pages transcluded.
1344 pr_cascade tinyint
NOT NULL,
1345 -- Field for future support of per-user restriction.
1347 -- Field for time-limited protection.
1348 pr_expiry
varbinary(14) NULL,
1349 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1350 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1351 ) /*$wgDBTableOptions*/;
1353 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1354 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1355 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1356 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1359 -- Protected titles - nonexistent pages that have been protected
1360 CREATE TABLE /*_*/protected_titles (
1361 pt_namespace
int NOT NULL,
1362 pt_title
varchar(255) binary NOT NULL,
1363 pt_user
int unsigned
NOT NULL,
1365 pt_timestamp
binary(14) NOT NULL,
1366 pt_expiry
varbinary(14) NOT NULL default '',
1367 pt_create_perm
varbinary(60) NOT NULL
1368 ) /*$wgDBTableOptions*/;
1370 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1371 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1374 -- Name/value pairs indexed by page_id
1375 CREATE TABLE /*_*/page_props (
1376 pp_page
int NOT NULL,
1377 pp_propname
varbinary(60) NOT NULL,
1378 pp_value
blob NOT NULL
1379 ) /*$wgDBTableOptions*/;
1381 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1384 -- A table to log updates, one text key row per update.
1385 CREATE TABLE /*_*/updatelog (
1386 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1388 ) /*$wgDBTableOptions*/;
1391 -- A table to track tags for revisions, logs and recent changes.
1392 CREATE TABLE /*_*/change_tag (
1393 -- RCID for the change
1395 -- LOGID for the change
1397 -- REVID for the change
1400 ct_tag
varchar(255) NOT NULL,
1401 -- Parameters for the tag, presently unused
1403 ) /*$wgDBTableOptions*/;
1405 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1406 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1407 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1408 -- Covering index, so we can pull all the info only out of the index.
1409 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1412 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1413 -- that only works on MySQL 4.1+
1414 CREATE TABLE /*_*/tag_summary (
1415 -- RCID for the change
1417 -- LOGID for the change
1419 -- REVID for the change
1421 -- Comma-separated list of tags
1422 ts_tags
blob NOT NULL
1423 ) /*$wgDBTableOptions*/;
1425 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1426 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1427 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1430 CREATE TABLE /*_*/valid_tag (
1431 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1432 ) /*$wgDBTableOptions*/;
1434 -- Table for storing localisation data
1435 CREATE TABLE /*_*/l10n_cache (
1437 lc_lang
varbinary(32) NOT NULL,
1439 lc_key
varchar(255) NOT NULL,
1441 lc_value mediumblob
NOT NULL
1442 ) /*$wgDBTableOptions*/;
1443 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1445 -- Table for caching JSON message blobs for the resource loader
1446 CREATE TABLE /*_*/msg_resource (
1448 mr_resource
varbinary(255) NOT NULL,
1450 mr_lang
varbinary(32) NOT NULL,
1452 mr_blob mediumblob
NOT NULL,
1453 -- Timestamp of last update
1454 mr_timestamp
binary(14) NOT NULL
1455 ) /*$wgDBTableOptions*/;
1456 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1458 -- Table for administering which message is contained in which resource
1459 CREATE TABLE /*_*/msg_resource_links (
1460 mrl_resource
varbinary(255) NOT NULL,
1462 mrl_message
varbinary(255) NOT NULL
1463 ) /*$wgDBTableOptions*/;
1464 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1466 -- Table caching which local files a module depends on that aren't
1467 -- registered directly, used for fast retrieval of file dependency.
1468 -- Currently only used for tracking images that CSS depends on
1469 CREATE TABLE /*_*/module_deps (
1471 md_module
varbinary(255) NOT NULL,
1473 md_skin
varbinary(32) NOT NULL,
1474 -- JSON blob with file dependencies
1475 md_deps mediumblob
NOT NULL
1476 ) /*$wgDBTableOptions*/;
1477 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1479 -- Table for holding configuration changes
1480 CREATE TABLE /*_*/config (
1482 cf_name
varbinary(255) NOT NULL PRIMARY KEY,
1484 cf_value
blob NOT NULL
1485 ) /*$wgDBTableOptions*/;
1486 -- Should cover *most* configuration - strings, ints, bools, etc.
1487 CREATE INDEX /*i*/cf_name_value
ON /*_*/config (cf_name
,cf_value(255));
1489 -- vim: sw=2 sts=2 et