1 -- SQL to create the initial tables for the MediaWiki database.
2 -- This is read and executed by the install script; you should
3 -- not have to run it by itself unless doing a manual install.
5 -- This is a shared schema file used for both MySQL and SQLite installs.
10 -- If possible, create tables as InnoDB to benefit from the
11 -- superior resiliency against crashes and ability to read
12 -- during writes (and write during reads!)
14 -- Only the 'searchindex' table requires MyISAM due to the
15 -- requirement for fulltext index support, which is missing
19 -- The MySQL table backend for MediaWiki currently uses
20 -- 14-character BINARY or VARBINARY fields to store timestamps.
21 -- The format is YYYYMMDDHHMMSS, which is derived from the
22 -- text format of MySQL's TIMESTAMP fields.
24 -- Historically TIMESTAMP fields were used, but abandoned
25 -- in early 2002 after a lot of trouble with the fields
28 -- The Postgres backend uses DATETIME fields for timestamps,
29 -- and we will migrate the MySQL definitions at some point as
33 -- The /*_*/ comments in this and other files are
34 -- replaced with the defined table prefix by the installer
35 -- and updater scripts. If you are installing or running
36 -- updates manually, you will need to manually insert the
37 -- table prefix if any when running these scripts.
42 -- The user table contains basic account information,
43 -- authentication keys, etc.
45 -- Some multi-wiki sites may share a single central user table
46 -- between separate wikis using the $wgSharedDB setting.
48 -- Note that when a external authentication plugin is used,
49 -- user table entries still need to be created to store
50 -- preferences and to key tracking information in the other
53 CREATE TABLE /*_*/user (
54 user_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
56 -- Usernames must be unique, must not be in the form of
57 -- an IP address. _Shouldn't_ allow slashes or case
58 -- conflicts. Spaces are allowed, and are _not_ converted
59 -- to underscores like titles. See the User::newFromName() for
60 -- the specific tests that usernames have to pass.
61 user_name
varchar(255) binary NOT NULL default '',
63 -- Optional 'real name' to be displayed in credit listings
64 user_real_name
varchar(255) binary NOT NULL default '',
66 -- Password hashes, see User::crypt() and User::comparePasswords()
67 -- in User.php for the algorithm
68 user_password tinyblob
NOT NULL,
70 -- When using 'mail me a new password', a random
71 -- password is generated and the hash stored here.
72 -- The previous password is left in place until
73 -- someone actually logs in with the new password,
74 -- at which point the hash is moved to user_password
75 -- and the old password is invalidated.
76 user_newpassword tinyblob
NOT NULL,
78 -- Timestamp of the last time when a new password was
79 -- sent, for throttling and expiring purposes
80 -- Emailed passwords will expire $wgNewPasswordExpiry
81 -- (a week) after being set. If user_newpass_time is NULL
82 -- (eg. created by mail) it doesn't expire.
83 user_newpass_time
binary(14),
85 -- Note: email should be restricted, not public info.
86 -- Same with passwords.
87 user_email tinytext
NOT NULL,
89 -- Newline-separated list of name=value defining the user
91 -- Now obsolete in favour of user_properties table;
92 -- old values will be migrated from here transparently.
93 user_options
blob NOT NULL,
95 -- This is a timestamp which is updated when a user
96 -- logs in, logs out, changes preferences, or performs
97 -- some other action requiring HTML cache invalidation
98 -- to ensure that the UI is updated.
99 user_touched
binary(14) NOT NULL default '',
101 -- A pseudorandomly generated value that is stored in
102 -- a cookie when the "remember password" feature is
103 -- used (previously, a hash of the password was used, but
104 -- this was vulnerable to cookie-stealing attacks)
105 user_token
binary(32) NOT NULL default '',
107 -- Initially NULL; when a user's e-mail address has been
108 -- validated by returning with a mailed token, this is
109 -- set to the current timestamp.
110 user_email_authenticated
binary(14),
112 -- Randomly generated token created when the e-mail address
113 -- is set and a confirmation test mail sent.
114 user_email_token
binary(32),
116 -- Expiration date for the user_email_token
117 user_email_token_expires
binary(14),
119 -- Timestamp of account registration.
120 -- Accounts predating this schema addition may contain NULL.
121 user_registration
binary(14),
123 -- Count of edits and edit-like actions.
125 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
126 -- May contain NULL for old accounts if batch-update scripts haven't been
127 -- run, as well as listing deleted edits and other myriad ways it could be
130 -- Meant primarily for heuristic checks to give an impression of whether
131 -- the account has been used much.
134 ) /*$wgDBTableOptions*/;
136 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
137 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
138 CREATE INDEX /*i*/user_email
ON /*_*/user (user_email(50),user_name
);
142 -- User permissions have been broken out to a separate table;
143 -- this allows sites with a shared user table to have different
144 -- permissions assigned to a user in each project.
146 -- This table replaces the old user_rights field which used a
147 -- comma-separated blob.
149 CREATE TABLE /*_*/user_groups (
151 ug_user
int unsigned
NOT NULL default 0,
153 -- Group names are short symbolic string keys.
154 -- The set of group names is open-ended, though in practice
155 -- only some predefined ones are likely to be used.
157 -- At runtime $wgGroupPermissions will associate group keys
158 -- with particular permissions. A user will have the combined
159 -- permissions of any group they're explicitly in, plus
160 -- the implicit '*' and 'user' groups.
161 ug_group
varbinary(16) NOT NULL default ''
162 ) /*$wgDBTableOptions*/;
164 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
165 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
167 -- Stores the groups the user has once belonged to.
168 -- The user may still belong these groups. Check user_groups.
169 CREATE TABLE /*_*/user_former_groups (
171 ufg_user
int unsigned
NOT NULL default 0,
172 ufg_group
varbinary(16) NOT NULL default ''
173 ) /*$wgDBTableOptions*/;
175 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
176 CREATE INDEX /*i*/ufg_group
ON /*_*/user_former_groups (ufg_group
);
179 -- Stores notifications of user talk page changes, for the display
180 -- of the "you have new messages" box
182 CREATE TABLE /*_*/user_newtalk (
183 -- Key to user.user_id
184 user_id
int NOT NULL default 0,
185 -- If the user is an anonymous user their IP address is stored here
186 -- since the user_id of 0 is ambiguous
187 user_ip
varbinary(40) NOT NULL default '',
188 -- The highest timestamp of revisions of the talk page viewed
190 user_last_timestamp
varbinary(14) NULL default NULL
191 ) /*$wgDBTableOptions*/;
193 -- Indexes renamed for SQLite in 1.14
194 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
195 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
199 -- User preferences and perhaps other fun stuff. :)
200 -- Replaces the old user.user_options blob, with a couple nice properties:
202 -- 1) We only store non-default settings, so changes to the defauls
203 -- are now reflected for everybody, not just new accounts.
204 -- 2) We can more easily do bulk lookups, statistics, or modifications of
205 -- saved options since it's a sane table structure.
207 CREATE TABLE /*_*/user_properties (
208 -- Foreign key to user.user_id
209 up_user
int NOT NULL,
211 -- Name of the option being saved. This is indexed for bulk lookup.
212 up_property
varbinary(255) NOT NULL,
214 -- Property value as a string.
216 ) /*$wgDBTableOptions*/;
218 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
219 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
222 -- Core of the wiki: each page has an entry here which identifies
223 -- it by title and contains some essential metadata.
225 CREATE TABLE /*_*/page (
226 -- Unique identifier number. The page_id will be preserved across
227 -- edits and rename operations, but not deletions and recreations.
228 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
230 -- A page name is broken into a namespace and a title.
231 -- The namespace keys are UI-language-independent constants,
232 -- defined in includes/Defines.php
233 page_namespace
int NOT NULL,
235 -- The rest of the title, as text.
236 -- Spaces are transformed into underscores in title storage.
237 page_title
varchar(255) binary NOT NULL,
239 -- Comma-separated set of permission keys indicating who
240 -- can move or edit the page.
241 page_restrictions tinyblob
NOT NULL,
243 -- Number of times this page has been viewed.
244 page_counter
bigint unsigned
NOT NULL default 0,
246 -- 1 indicates the article is a redirect.
247 page_is_redirect tinyint unsigned
NOT NULL default 0,
249 -- 1 indicates this is a new entry, with only one edit.
250 -- Not all pages with one edit are new pages.
251 page_is_new tinyint unsigned
NOT NULL default 0,
253 -- Random value between 0 and 1, used for Special:Randompage
254 page_random
real unsigned
NOT NULL,
256 -- This timestamp is updated whenever the page changes in
257 -- a way requiring it to be re-rendered, invalidating caches.
258 -- Aside from editing this includes permission changes,
259 -- creation or deletion of linked pages, and alteration
260 -- of contained templates.
261 page_touched
binary(14) NOT NULL default '',
263 -- Handy key to revision.rev_id of the current revision.
264 -- This may be 0 during page creation, but that shouldn't
265 -- happen outside of a transaction... hopefully.
266 page_latest
int unsigned
NOT NULL,
268 -- Uncompressed length in bytes of the page's current source text.
269 page_len
int unsigned
NOT NULL
270 ) /*$wgDBTableOptions*/;
272 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
273 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
274 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
278 -- Every edit of a page creates also a revision row.
279 -- This stores metadata about the revision, and a reference
280 -- to the text storage backend.
282 CREATE TABLE /*_*/revision (
283 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
285 -- Key to page_id. This should _never_ be invalid.
286 rev_page
int unsigned
NOT NULL,
288 -- Key to text.old_id, where the actual bulk text is stored.
289 -- It's possible for multiple revisions to use the same text,
290 -- for instance revisions where only metadata is altered
291 -- or a rollback to a previous version.
292 rev_text_id
int unsigned
NOT NULL,
294 -- Text comment summarizing the change.
295 -- This text is shown in the history and other changes lists,
296 -- rendered in a subset of wiki markup by Linker::formatComment()
297 rev_comment tinyblob
NOT NULL,
299 -- Key to user.user_id of the user who made this edit.
300 -- Stores 0 for anonymous edits and for some mass imports.
301 rev_user
int unsigned
NOT NULL default 0,
303 -- Text username or IP address of the editor.
304 rev_user_text
varchar(255) binary NOT NULL default '',
307 rev_timestamp
binary(14) NOT NULL default '',
309 -- Records whether the user marked the 'minor edit' checkbox.
310 -- Many automated edits are marked as minor.
311 rev_minor_edit tinyint unsigned
NOT NULL default 0,
313 -- Not yet used; reserved for future changes to the deletion system.
314 rev_deleted tinyint unsigned
NOT NULL default 0,
316 -- Length of this revision in bytes
317 rev_len
int unsigned
,
319 -- Key to revision.rev_id
320 -- This field is used to add support for a tree structure (The Adjacency List Model)
321 rev_parent_id
int unsigned
default NULL
323 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
324 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
326 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
327 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
328 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
329 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
330 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
333 -- Holds text of individual page revisions.
335 -- Field names are a holdover from the 'old' revisions table in
336 -- MediaWiki 1.4 and earlier: an upgrade will transform that
337 -- table into the 'text' table to minimize unnecessary churning
338 -- and downtime. If upgrading, the other fields will be left unused.
340 CREATE TABLE /*_*/text (
341 -- Unique text storage key number.
342 -- Note that the 'oldid' parameter used in URLs does *not*
343 -- refer to this number anymore, but to rev_id.
345 -- revision.rev_text_id is a key to this column
346 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
348 -- Depending on the contents of the old_flags field, the text
349 -- may be convenient plain text, or it may be funkily encoded.
350 old_text mediumblob
NOT NULL,
352 -- Comma-separated list of flags:
353 -- gzip: text is compressed with PHP's gzdeflate() function.
354 -- utf8: text was stored as UTF-8.
355 -- If $wgLegacyEncoding option is on, rows *without* this flag
356 -- will be converted to UTF-8 transparently at load time.
357 -- object: text field contained a serialized PHP object.
358 -- The object either contains multiple versions compressed
359 -- together to achieve a better compression ratio, or it refers
360 -- to another row where the text can be found.
361 old_flags tinyblob
NOT NULL
362 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
363 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
367 -- Holding area for deleted articles, which may be viewed
368 -- or restored by admins through the Special:Undelete interface.
369 -- The fields generally correspond to the page, revision, and text
370 -- fields, with several caveats.
372 CREATE TABLE /*_*/archive (
373 ar_namespace
int NOT NULL default 0,
374 ar_title
varchar(255) binary NOT NULL default '',
376 -- Newly deleted pages will not store text in this table,
377 -- but will reference the separately existing text rows.
378 -- This field is retained for backwards compatibility,
379 -- so old archived pages will remain accessible after
380 -- upgrading from 1.4 to 1.5.
381 -- Text may be gzipped or otherwise funky.
382 ar_text mediumblob
NOT NULL,
384 -- Basic revision stuff...
385 ar_comment tinyblob
NOT NULL,
386 ar_user
int unsigned
NOT NULL default 0,
387 ar_user_text
varchar(255) binary NOT NULL,
388 ar_timestamp
binary(14) NOT NULL default '',
389 ar_minor_edit tinyint
NOT NULL default 0,
392 ar_flags tinyblob
NOT NULL,
394 -- When revisions are deleted, their unique rev_id is stored
395 -- here so it can be retained after undeletion. This is necessary
396 -- to retain permalinks to given revisions after accidental delete
397 -- cycles or messy operations like history merges.
399 -- Old entries from 1.4 will be NULL here, and a new rev_id will
400 -- be created on undeletion for those revisions.
401 ar_rev_id
int unsigned
,
403 -- For newly deleted revisions, this is the text.old_id key to the
404 -- actual stored text. To avoid breaking the block-compression scheme
405 -- and otherwise making storage changes harder, the actual text is
406 -- *not* deleted from the text table, merely hidden by removal of the
407 -- page and revision entries.
409 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
410 -- ar_text and ar_flags fields will be used to create a new text
411 -- row upon undeletion.
412 ar_text_id
int unsigned
,
414 -- rev_deleted for archives
415 ar_deleted tinyint unsigned
NOT NULL default 0,
417 -- Length of this revision in bytes
420 -- Reference to page_id. Useful for sysadmin fixing of large pages
421 -- merged together in the archives, or for cleanly restoring a page
422 -- at its original ID number if possible.
424 -- Will be NULL for pages deleted prior to 1.11.
425 ar_page_id
int unsigned
,
427 -- Original previous revision
428 ar_parent_id
int unsigned
default NULL
429 ) /*$wgDBTableOptions*/;
431 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
432 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
433 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
437 -- Track page-to-page hyperlinks within the wiki.
439 CREATE TABLE /*_*/pagelinks (
440 -- Key to the page_id of the page containing the link.
441 pl_from
int unsigned
NOT NULL default 0,
443 -- Key to page_namespace/page_title of the target page.
444 -- The target page may or may not exist, and due to renames
445 -- and deletions may refer to different page records as time
447 pl_namespace
int NOT NULL default 0,
448 pl_title
varchar(255) binary NOT NULL default ''
449 ) /*$wgDBTableOptions*/;
451 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
452 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
456 -- Track template inclusions.
458 CREATE TABLE /*_*/templatelinks (
459 -- Key to the page_id of the page containing the link.
460 tl_from
int unsigned
NOT NULL default 0,
462 -- Key to page_namespace/page_title of the target page.
463 -- The target page may or may not exist, and due to renames
464 -- and deletions may refer to different page records as time
466 tl_namespace
int NOT NULL default 0,
467 tl_title
varchar(255) binary NOT NULL default ''
468 ) /*$wgDBTableOptions*/;
470 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
471 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
475 -- Track links to images *used inline*
476 -- We don't distinguish live from broken links here, so
477 -- they do not need to be changed on upload/removal.
479 CREATE TABLE /*_*/imagelinks (
480 -- Key to page_id of the page containing the image / media link.
481 il_from
int unsigned
NOT NULL default 0,
483 -- Filename of target image.
484 -- This is also the page_title of the file's description page;
485 -- all such pages are in namespace 6 (NS_FILE).
486 il_to
varchar(255) binary NOT NULL default ''
487 ) /*$wgDBTableOptions*/;
489 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
490 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
494 -- Track category inclusions *used inline*
495 -- This tracks a single level of category membership
497 CREATE TABLE /*_*/categorylinks (
498 -- Key to page_id of the page defined as a category member.
499 cl_from
int unsigned
NOT NULL default 0,
501 -- Name of the category.
502 -- This is also the page_title of the category's description page;
503 -- all such pages are in namespace 14 (NS_CATEGORY).
504 cl_to
varchar(255) binary NOT NULL default '',
506 -- A binary string obtained by applying a sortkey generation algorithm
507 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
508 -- . page_title if cl_sortkey_prefix is nonempty.
509 cl_sortkey
varbinary(230) NOT NULL default '',
511 -- A prefix for the raw sortkey manually specified by the user, either via
512 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
513 -- concatenated with a line break followed by the page title before the sortkey
514 -- conversion algorithm is run. We store this so that we can update
515 -- collations without reparsing all pages.
516 -- Note: If you change the length of this field, you also need to change
517 -- code in LinksUpdate.php. See bug 25254.
518 cl_sortkey_prefix
varchar(255) binary NOT NULL default '',
520 -- This isn't really used at present. Provided for an optional
521 -- sorting method by approximate addition time.
522 cl_timestamp
timestamp NOT NULL,
524 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
525 -- can be used to install new collation versions, tracking which rows are not
526 -- yet updated. '' means no collation, this is a legacy row that needs to be
527 -- updated by updateCollation.php. In the future, it might be possible to
528 -- specify different collations per category.
529 cl_collation
varbinary(32) NOT NULL default '',
531 -- Stores whether cl_from is a category, file, or other page, so we can
532 -- paginate the three categories separately. This never has to be updated
533 -- after the page is created, since none of these page types can be moved to
535 cl_type
ENUM('page', 'subcat', 'file') NOT NULL default 'page'
536 ) /*$wgDBTableOptions*/;
538 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
540 -- We always sort within a given category, and within a given type. FIXME:
541 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
542 -- callers won't be using an index: fix this?
543 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
546 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
548 -- For finding rows with outdated collation
549 CREATE INDEX /*i*/cl_collation
ON /*_*/categorylinks (cl_collation
);
552 -- Track all existing categories. Something is a category if 1) it has an en-
553 -- try somewhere in categorylinks, or 2) it once did. Categories might not
554 -- have corresponding pages, so they need to be tracked separately.
556 CREATE TABLE /*_*/category (
558 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
560 -- Name of the category, in the same form as page_title (with underscores).
561 -- If there is a category page corresponding to this category, by definition,
562 -- it has this name (in the Category namespace).
563 cat_title
varchar(255) binary NOT NULL,
565 -- The numbers of member pages (including categories and media), subcatego-
566 -- ries, and Image: namespace members, respectively. These are signed to
567 -- make underflow more obvious. We make the first number include the second
568 -- two for better sorting: subtracting for display is easy, adding for order-
570 cat_pages
int signed
NOT NULL default 0,
571 cat_subcats
int signed
NOT NULL default 0,
572 cat_files
int signed
NOT NULL default 0,
574 -- Reserved for future use
575 cat_hidden tinyint unsigned
NOT NULL default 0
576 ) /*$wgDBTableOptions*/;
578 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
580 -- For Special:Mostlinkedcategories
581 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
585 -- Track links to external URLs
587 CREATE TABLE /*_*/externallinks (
588 -- page_id of the referring page
589 el_from
int unsigned
NOT NULL default 0,
594 -- In the case of HTTP URLs, this is the URL with any username or password
595 -- removed, and with the labels in the hostname reversed and converted to
596 -- lower case. An extra dot is added to allow for matching of either
597 -- example.com or *.example.com in a single scan.
599 -- http://user:password@sub.example.com/page.html
601 -- http://com.example.sub./page.html
602 -- which allows for fast searching for all pages under example.com with the
604 -- WHERE el_index LIKE 'http://com.example.%'
605 el_index
blob NOT NULL
606 ) /*$wgDBTableOptions*/;
608 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
609 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
610 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
614 -- Track external user accounts, if ExternalAuth is used
616 CREATE TABLE /*_*/external_user (
617 -- Foreign key to user_id
618 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
620 -- Some opaque identifier provided by the external database
621 eu_external_id
varchar(255) binary NOT NULL
622 ) /*$wgDBTableOptions*/;
624 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
628 -- Track interlanguage links
630 CREATE TABLE /*_*/langlinks (
631 -- page_id of the referring page
632 ll_from
int unsigned
NOT NULL default 0,
634 -- Language code of the target
635 ll_lang
varbinary(20) NOT NULL default '',
637 -- Title of the target, including namespace
638 ll_title
varchar(255) binary NOT NULL default ''
639 ) /*$wgDBTableOptions*/;
641 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
642 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
646 -- Track inline interwiki links
648 CREATE TABLE /*_*/iwlinks (
649 -- page_id of the referring page
650 iwl_from
int unsigned
NOT NULL default 0,
652 -- Interwiki prefix code of the target
653 iwl_prefix
varbinary(20) NOT NULL default '',
655 -- Title of the target, including namespace
656 iwl_title
varchar(255) binary NOT NULL default ''
657 ) /*$wgDBTableOptions*/;
659 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
660 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
664 -- Contains a single row with some aggregate info
665 -- on the state of the site.
667 CREATE TABLE /*_*/site_stats (
668 -- The single row should contain 1 here.
669 ss_row_id
int unsigned
NOT NULL,
671 -- Total number of page views, if hit counters are enabled.
672 ss_total_views
bigint unsigned
default 0,
674 -- Total number of edits performed.
675 ss_total_edits
bigint unsigned
default 0,
677 -- An approximate count of pages matching the following criteria:
680 -- * contains the text '[['
681 -- See Article::isCountable() in includes/Article.php
682 ss_good_articles
bigint unsigned
default 0,
684 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
685 ss_total_pages
bigint default '-1',
687 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
688 ss_users
bigint default '-1',
690 -- Number of users that still edit
691 ss_active_users
bigint default '-1',
693 -- Deprecated, no longer updated as of 1.5
694 ss_admins
int default '-1',
696 -- Number of images, equivalent to SELECT COUNT(*) FROM image
697 ss_images
int default 0
698 ) /*$wgDBTableOptions*/;
700 -- Pointless index to assuage developer superstitions
701 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
705 -- Stores an ID for every time any article is visited;
706 -- depending on $wgHitcounterUpdateFreq, it is
707 -- periodically cleared and the page_counter column
708 -- in the page table updated for all the articles
709 -- that have been visited.)
711 CREATE TABLE /*_*/hitcounter (
712 hc_id
int unsigned
NOT NULL
713 ) ENGINE
=HEAP MAX_ROWS
=25000;
717 -- The internet is full of jerks, alas. Sometimes it's handy
718 -- to block a vandal or troll account.
720 CREATE TABLE /*_*/ipblocks (
721 -- Primary key, introduced for privacy.
722 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
724 -- Blocked IP address in dotted-quad form or user name.
725 ipb_address tinyblob
NOT NULL,
727 -- Blocked user ID or 0 for IP blocks.
728 ipb_user
int unsigned
NOT NULL default 0,
730 -- User ID who made the block.
731 ipb_by
int unsigned
NOT NULL default 0,
733 -- User name of blocker
734 ipb_by_text
varchar(255) binary NOT NULL default '',
736 -- Text comment made by blocker.
737 ipb_reason tinyblob
NOT NULL,
739 -- Creation (or refresh) date in standard YMDHMS form.
740 -- IP blocks expire automatically.
741 ipb_timestamp
binary(14) NOT NULL default '',
743 -- Indicates that the IP address was banned because a banned
744 -- user accessed a page through it. If this is 1, ipb_address
745 -- will be hidden, and the block identified by block ID number.
746 ipb_auto bool
NOT NULL default 0,
748 -- If set to 1, block applies only to logged-out users
749 ipb_anon_only bool
NOT NULL default 0,
751 -- Block prevents account creation from matching IP addresses
752 ipb_create_account bool
NOT NULL default 1,
754 -- Block triggers autoblocks
755 ipb_enable_autoblock bool
NOT NULL default '1',
757 -- Time at which the block will expire.
759 ipb_expiry
varbinary(14) NOT NULL default '',
761 -- Start and end of an address range, in hexadecimal
762 -- Size chosen to allow IPv6
763 ipb_range_start tinyblob
NOT NULL,
764 ipb_range_end tinyblob
NOT NULL,
766 -- Flag for entries hidden from users and Sysops
767 ipb_deleted bool
NOT NULL default 0,
769 -- Block prevents user from accessing Special:Emailuser
770 ipb_block_email bool
NOT NULL default 0,
772 -- Block allows user to edit their own talk page
773 ipb_allow_usertalk bool
NOT NULL default 0
775 ) /*$wgDBTableOptions*/;
777 -- Unique index to support "user already blocked" messages
778 -- Any new options which prevent collisions should be included
779 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
781 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
782 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
783 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
784 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
788 -- Uploaded images and other files.
790 CREATE TABLE /*_*/image (
792 -- This is also the title of the associated description page,
793 -- which will be in namespace 6 (NS_FILE).
794 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
796 -- File size in bytes.
797 img_size
int unsigned
NOT NULL default 0,
799 -- For images, size in pixels.
800 img_width
int NOT NULL default 0,
801 img_height
int NOT NULL default 0,
803 -- Extracted EXIF metadata stored as a serialized PHP array.
804 img_metadata mediumblob
NOT NULL,
806 -- For images, bits per pixel if known.
807 img_bits
int NOT NULL default 0,
809 -- Media type as defined by the MEDIATYPE_xxx constants
810 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
812 -- major part of a MIME media type as defined by IANA
813 -- see http://www.iana.org/assignments/media-types/
814 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
816 -- minor part of a MIME media type as defined by IANA
817 -- the minor parts are not required to adher to any standard
818 -- but should be consistent throughout the database
819 -- see http://www.iana.org/assignments/media-types/
820 img_minor_mime
varbinary(100) NOT NULL default "unknown",
822 -- Description field as entered by the uploader.
823 -- This is displayed in image upload history and logs.
824 img_description tinyblob
NOT NULL,
826 -- user_id and user_name of uploader.
827 img_user
int unsigned
NOT NULL default 0,
828 img_user_text
varchar(255) binary NOT NULL,
830 -- Time of the upload.
831 img_timestamp
varbinary(14) NOT NULL default '',
833 -- SHA-1 content hash in base-36
834 img_sha1
varbinary(32) NOT NULL default ''
835 ) /*$wgDBTableOptions*/;
837 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
838 -- Used by Special:ListFiles for sort-by-size
839 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
840 -- Used by Special:Newimages and Special:ListFiles
841 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
842 -- Used in API and duplicate search
843 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
847 -- Previous revisions of uploaded files.
848 -- Awkwardly, image rows have to be moved into
849 -- this table at re-upload time.
851 CREATE TABLE /*_*/oldimage (
852 -- Base filename: key to image.img_name
853 oi_name
varchar(255) binary NOT NULL default '',
855 -- Filename of the archived file.
856 -- This is generally a timestamp and '!' prepended to the base name.
857 oi_archive_name
varchar(255) binary NOT NULL default '',
859 -- Other fields as in image...
860 oi_size
int unsigned
NOT NULL default 0,
861 oi_width
int NOT NULL default 0,
862 oi_height
int NOT NULL default 0,
863 oi_bits
int NOT NULL default 0,
864 oi_description tinyblob
NOT NULL,
865 oi_user
int unsigned
NOT NULL default 0,
866 oi_user_text
varchar(255) binary NOT NULL,
867 oi_timestamp
binary(14) NOT NULL default '',
869 oi_metadata mediumblob
NOT NULL,
870 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
871 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
872 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
873 oi_deleted tinyint unsigned
NOT NULL default 0,
874 oi_sha1
varbinary(32) NOT NULL default ''
875 ) /*$wgDBTableOptions*/;
877 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
878 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
879 -- oi_archive_name truncated to 14 to avoid key length overflow
880 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
881 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
885 -- Record of deleted file data
887 CREATE TABLE /*_*/filearchive (
889 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
891 -- Original base filename; key to image.img_name, page.page_title, etc
892 fa_name
varchar(255) binary NOT NULL default '',
894 -- Filename of archived file, if an old revision
895 fa_archive_name
varchar(255) binary default '',
897 -- Which storage bin (directory tree or object store) the file data
898 -- is stored in. Should be 'deleted' for files that have been deleted;
899 -- any other bin is not yet in use.
900 fa_storage_group
varbinary(16),
902 -- SHA-1 of the file contents plus extension, used as a key for storage.
903 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
905 -- If NULL, the file was missing at deletion time or has been purged
906 -- from the archival storage.
907 fa_storage_key
varbinary(64) default '',
909 -- Deletion information, if this file is deleted.
911 fa_deleted_timestamp
binary(14) default '',
912 fa_deleted_reason
text,
914 -- Duped fields from image
915 fa_size
int unsigned
default 0,
916 fa_width
int default 0,
917 fa_height
int default 0,
918 fa_metadata mediumblob
,
919 fa_bits
int default 0,
920 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
921 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
922 fa_minor_mime
varbinary(100) default "unknown",
923 fa_description tinyblob
,
924 fa_user
int unsigned
default 0,
925 fa_user_text
varchar(255) binary,
926 fa_timestamp
binary(14) default '',
928 -- Visibility of deleted revisions, bitfield
929 fa_deleted tinyint unsigned
NOT NULL default 0
930 ) /*$wgDBTableOptions*/;
932 -- pick out by image name
933 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
934 -- pick out dupe files
935 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
936 -- sort by deletion time
937 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
939 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
943 -- Primarily a summary table for Special:Recentchanges,
944 -- this table contains some additional info on edits from
945 -- the last few days, see Article::editUpdates()
947 CREATE TABLE /*_*/recentchanges (
948 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
949 rc_timestamp
varbinary(14) NOT NULL default '',
950 rc_cur_time
varbinary(14) NOT NULL default '',
953 rc_user
int unsigned
NOT NULL default 0,
954 rc_user_text
varchar(255) binary NOT NULL,
956 -- When pages are renamed, their RC entries do _not_ change.
957 rc_namespace
int NOT NULL default 0,
958 rc_title
varchar(255) binary NOT NULL default '',
961 rc_comment
varchar(255) binary NOT NULL default '',
962 rc_minor tinyint unsigned
NOT NULL default 0,
964 -- Edits by user accounts with the 'bot' rights key are
965 -- marked with a 1 here, and will be hidden from the
967 rc_bot tinyint unsigned
NOT NULL default 0,
969 rc_new tinyint unsigned
NOT NULL default 0,
971 -- Key to page_id (was cur_id prior to 1.5).
972 -- This will keep links working after moves while
973 -- retaining the at-the-time name in the changes list.
974 rc_cur_id
int unsigned
NOT NULL default 0,
976 -- rev_id of the given revision
977 rc_this_oldid
int unsigned
NOT NULL default 0,
979 -- rev_id of the prior revision, for generating diff links.
980 rc_last_oldid
int unsigned
NOT NULL default 0,
982 -- These may no longer be used, with the new move log.
983 rc_type tinyint unsigned
NOT NULL default 0,
984 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
985 rc_moved_to_title
varchar(255) binary NOT NULL default '',
987 -- If the Recent Changes Patrol option is enabled,
988 -- users may mark edits as having been reviewed to
989 -- remove a warning flag on the RC list.
990 -- A value of 1 indicates the page has been reviewed.
991 rc_patrolled tinyint unsigned
NOT NULL default 0,
993 -- Recorded IP address the edit was made from, if the
994 -- $wgPutIPinRC option is enabled.
995 rc_ip
varbinary(40) NOT NULL default '',
997 -- Text length in characters before
998 -- and after the edit
1002 -- Visibility of recent changes items, bitfield
1003 rc_deleted tinyint unsigned
NOT NULL default 0,
1005 -- Value corresonding to log_id, specific log entries
1006 rc_logid
int unsigned
NOT NULL default 0,
1007 -- Store log type info here, or null
1008 rc_log_type
varbinary(255) NULL default NULL,
1009 -- Store log action or null
1010 rc_log_action
varbinary(255) NULL default NULL,
1013 ) /*$wgDBTableOptions*/;
1015 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1016 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1017 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1018 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1019 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1020 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1021 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1024 CREATE TABLE /*_*/watchlist (
1025 -- Key to user.user_id
1026 wl_user
int unsigned
NOT NULL,
1028 -- Key to page_namespace/page_title
1029 -- Note that users may watch pages which do not exist yet,
1030 -- or existed in the past but have been deleted.
1031 wl_namespace
int NOT NULL default 0,
1032 wl_title
varchar(255) binary NOT NULL default '',
1034 -- Timestamp when user was last sent a notification e-mail;
1035 -- cleared when the user visits the page.
1036 wl_notificationtimestamp
varbinary(14)
1038 ) /*$wgDBTableOptions*/;
1040 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1041 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1045 -- When using the default MySQL search backend, page titles
1046 -- and text are munged to strip markup, do Unicode case folding,
1047 -- and prepare the result for MySQL's fulltext index.
1049 -- This table must be MyISAM; InnoDB does not support the needed
1052 CREATE TABLE /*_*/searchindex (
1054 si_page
int unsigned
NOT NULL,
1056 -- Munged version of title
1057 si_title
varchar(255) NOT NULL default '',
1059 -- Munged version of body text
1060 si_text mediumtext
NOT NULL
1063 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1064 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1065 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1069 -- Recognized interwiki link prefixes
1071 CREATE TABLE /*_*/interwiki (
1072 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1073 iw_prefix
varchar(32) NOT NULL,
1075 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1076 -- Any spaces in the name will be transformed to underscores before
1078 iw_url
blob NOT NULL,
1080 -- The URL of the file api.php
1081 iw_api
blob NOT NULL,
1083 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1084 iw_wikiid
varchar(64) NOT NULL,
1086 -- A boolean value indicating whether the wiki is in this project
1087 -- (used, for example, to detect redirect loops)
1088 iw_local bool
NOT NULL,
1090 -- Boolean value indicating whether interwiki transclusions are allowed.
1091 iw_trans tinyint
NOT NULL default 0
1092 ) /*$wgDBTableOptions*/;
1094 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1098 -- Used for caching expensive grouped queries
1100 CREATE TABLE /*_*/querycache (
1101 -- A key name, generally the base name of of the special page.
1102 qc_type
varbinary(32) NOT NULL,
1104 -- Some sort of stored value. Sizes, counts...
1105 qc_value
int unsigned
NOT NULL default 0,
1107 -- Target namespace+title
1108 qc_namespace
int NOT NULL default 0,
1109 qc_title
varchar(255) binary NOT NULL default ''
1110 ) /*$wgDBTableOptions*/;
1112 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1116 -- For a few generic cache operations if not using Memcached
1118 CREATE TABLE /*_*/objectcache (
1119 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1122 ) /*$wgDBTableOptions*/;
1123 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1127 -- Cache of interwiki transclusion
1129 CREATE TABLE /*_*/transcache (
1130 tc_url
varbinary(255) NOT NULL,
1132 tc_time
binary(14) NOT NULL
1133 ) /*$wgDBTableOptions*/;
1135 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1138 CREATE TABLE /*_*/logging (
1139 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1140 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1142 -- Symbolic keys for the general log type and the action type
1143 -- within the log. The output format will be controlled by the
1144 -- action field, but only the type controls categorization.
1145 log_type
varbinary(32) NOT NULL default '',
1146 log_action
varbinary(32) NOT NULL default '',
1149 log_timestamp
binary(14) NOT NULL default '19700101000000',
1151 -- The user who performed this action; key to user_id
1152 log_user
int unsigned
NOT NULL default 0,
1154 -- Name of the user who performed this action
1155 log_user_text
varchar(255) binary NOT NULL default '',
1157 -- Key to the page affected. Where a user is the target,
1158 -- this will point to the user page.
1159 log_namespace
int NOT NULL default 0,
1160 log_title
varchar(255) binary NOT NULL default '',
1161 log_page
int unsigned
NULL,
1163 -- Freeform text. Interpreted as edit history comments.
1164 log_comment
varchar(255) NOT NULL default '',
1166 -- LF separated list of miscellaneous parameters
1167 log_params
blob NOT NULL,
1169 -- rev_deleted for logs
1170 log_deleted tinyint unsigned
NOT NULL default 0
1171 ) /*$wgDBTableOptions*/;
1173 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1174 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1175 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1176 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1177 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1178 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1181 CREATE TABLE /*_*/log_search (
1182 -- The type of ID (rev ID, log ID, rev timestamp, username)
1183 ls_field
varbinary(32) NOT NULL,
1184 -- The value of the ID
1185 ls_value
varchar(255) NOT NULL,
1187 ls_log_id
int unsigned
NOT NULL default 0
1188 ) /*$wgDBTableOptions*/;
1189 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1190 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1193 CREATE TABLE /*_*/trackbacks (
1194 tb_id
int PRIMARY KEY AUTO_INCREMENT
,
1195 tb_page
int REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1196 tb_title
varchar(255) NOT NULL,
1197 tb_url
blob NOT NULL,
1199 tb_name
varchar(255)
1200 ) /*$wgDBTableOptions*/;
1201 CREATE INDEX /*i*/tb_page
ON /*_*/trackbacks (tb_page
);
1204 -- Jobs performed by parallel apache threads or a command-line daemon
1205 CREATE TABLE /*_*/job (
1206 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1209 -- Limited to 60 to prevent key length overflow
1210 job_cmd
varbinary(60) NOT NULL default '',
1212 -- Namespace and title to act on
1213 -- Should be 0 and '' if the command does not operate on a title
1214 job_namespace
int NOT NULL,
1215 job_title
varchar(255) binary NOT NULL,
1217 -- Any other parameters to the command
1218 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1219 job_params
blob NOT NULL
1220 ) /*$wgDBTableOptions*/;
1222 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1225 -- Details of updates to cached special pages
1226 CREATE TABLE /*_*/querycache_info (
1227 -- Special page name
1228 -- Corresponds to a qc_type value
1229 qci_type
varbinary(32) NOT NULL default '',
1231 -- Timestamp of last update
1232 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1233 ) /*$wgDBTableOptions*/;
1235 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1238 -- For each redirect, this table contains exactly one row defining its target
1239 CREATE TABLE /*_*/redirect (
1240 -- Key to the page_id of the redirect page
1241 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1243 -- Key to page_namespace/page_title of the target page.
1244 -- The target page may or may not exist, and due to renames
1245 -- and deletions may refer to different page records as time
1247 rd_namespace
int NOT NULL default 0,
1248 rd_title
varchar(255) binary NOT NULL default '',
1249 rd_interwiki
varchar(32) default NULL,
1250 rd_fragment
varchar(255) binary default NULL
1251 ) /*$wgDBTableOptions*/;
1253 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1256 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1257 CREATE TABLE /*_*/querycachetwo (
1258 -- A key name, generally the base name of of the special page.
1259 qcc_type
varbinary(32) NOT NULL,
1261 -- Some sort of stored value. Sizes, counts...
1262 qcc_value
int unsigned
NOT NULL default 0,
1264 -- Target namespace+title
1265 qcc_namespace
int NOT NULL default 0,
1266 qcc_title
varchar(255) binary NOT NULL default '',
1268 -- Target namespace+title2
1269 qcc_namespacetwo
int NOT NULL default 0,
1270 qcc_titletwo
varchar(255) binary NOT NULL default ''
1271 ) /*$wgDBTableOptions*/;
1273 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1274 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1275 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1278 -- Used for storing page restrictions (i.e. protection levels)
1279 CREATE TABLE /*_*/page_restrictions (
1280 -- Page to apply restrictions to (Foreign Key to page).
1281 pr_page
int NOT NULL,
1282 -- The protection type (edit, move, etc)
1283 pr_type
varbinary(60) NOT NULL,
1284 -- The protection level (Sysop, autoconfirmed, etc)
1285 pr_level
varbinary(60) NOT NULL,
1286 -- Whether or not to cascade the protection down to pages transcluded.
1287 pr_cascade tinyint
NOT NULL,
1288 -- Field for future support of per-user restriction.
1290 -- Field for time-limited protection.
1291 pr_expiry
varbinary(14) NULL,
1292 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1293 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1294 ) /*$wgDBTableOptions*/;
1296 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1297 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1298 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1299 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1302 -- Protected titles - nonexistent pages that have been protected
1303 CREATE TABLE /*_*/protected_titles (
1304 pt_namespace
int NOT NULL,
1305 pt_title
varchar(255) binary NOT NULL,
1306 pt_user
int unsigned
NOT NULL,
1308 pt_timestamp
binary(14) NOT NULL,
1309 pt_expiry
varbinary(14) NOT NULL default '',
1310 pt_create_perm
varbinary(60) NOT NULL
1311 ) /*$wgDBTableOptions*/;
1313 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1314 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1317 -- Name/value pairs indexed by page_id
1318 CREATE TABLE /*_*/page_props (
1319 pp_page
int NOT NULL,
1320 pp_propname
varbinary(60) NOT NULL,
1321 pp_value
blob NOT NULL
1322 ) /*$wgDBTableOptions*/;
1324 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1327 -- A table to log updates, one text key row per update.
1328 CREATE TABLE /*_*/updatelog (
1329 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1331 ) /*$wgDBTableOptions*/;
1334 -- A table to track tags for revisions, logs and recent changes.
1335 CREATE TABLE /*_*/change_tag (
1336 -- RCID for the change
1338 -- LOGID for the change
1340 -- REVID for the change
1343 ct_tag
varchar(255) NOT NULL,
1344 -- Parameters for the tag, presently unused
1346 ) /*$wgDBTableOptions*/;
1348 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1349 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1350 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1351 -- Covering index, so we can pull all the info only out of the index.
1352 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1355 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1356 -- that only works on MySQL 4.1+
1357 CREATE TABLE /*_*/tag_summary (
1358 -- RCID for the change
1360 -- LOGID for the change
1362 -- REVID for the change
1364 -- Comma-separated list of tags
1365 ts_tags
blob NOT NULL
1366 ) /*$wgDBTableOptions*/;
1368 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1369 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1370 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1373 CREATE TABLE /*_*/valid_tag (
1374 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1375 ) /*$wgDBTableOptions*/;
1377 -- Table for storing localisation data
1378 CREATE TABLE /*_*/l10n_cache (
1380 lc_lang
varbinary(32) NOT NULL,
1382 lc_key
varchar(255) NOT NULL,
1384 lc_value mediumblob
NOT NULL
1385 ) /*$wgDBTableOptions*/;
1386 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1388 -- Table for storing JSON message blobs for the resource loader
1389 CREATE TABLE /*_*/msg_resource (
1391 mr_resource
varbinary(255) NOT NULL,
1393 mr_lang
varbinary(32) NOT NULL,
1395 mr_blob mediumblob
NOT NULL,
1396 -- Timestamp of last update
1397 mr_timestamp
binary(14) NOT NULL
1398 ) /*$wgDBTableOptions*/;
1399 CREATE UNIQUE INDEX /*i*/mr_resource_lang
ON /*_*/msg_resource (mr_resource
, mr_lang
);
1401 -- Table for administering which message is contained in which resource
1402 CREATE TABLE /*_*/msg_resource_links (
1403 mrl_resource
varbinary(255) NOT NULL,
1405 mrl_message
varbinary(255) NOT NULL
1406 ) /*$wgDBTableOptions*/;
1407 CREATE UNIQUE INDEX /*i*/mrl_message_resource
ON /*_*/msg_resource_links (mrl_message
, mrl_resource
);
1409 -- Table for tracking which local files a module depends on that aren't
1410 -- registered directly.
1411 -- Currently only used for tracking images that CSS depends on
1412 CREATE TABLE /*_*/module_deps (
1414 md_module
varbinary(255) NOT NULL,
1416 md_skin
varbinary(32) NOT NULL,
1417 -- JSON blob with file dependencies
1418 md_deps mediumblob
NOT NULL
1419 ) /*$wgDBTableOptions*/;
1420 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1422 -- Table for holding configuration changes
1423 CREATE TABLE /*_*/config (
1425 cf_name
varbinary(255) NOT NULL PRIMARY KEY,
1427 cf_value
blob NOT NULL
1428 ) /*$wgDBTableOptions*/;
1429 -- Should cover *most* configuration - strings, ints, bools, etc.
1430 CREATE INDEX /*i*/cf_name_value
ON /*_*/config (cf_name
,cf_value(255));
1432 -- vim: sw=2 sts=2 et