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, normally hashed like so:
67 -- MD5(CONCAT(user_id,'-',MD5(plaintext_password))), see
68 -- wfEncryptPassword() in GlobalFunctions.php
69 user_password tinyblob
NOT NULL,
71 -- When using 'mail me a new password', a random
72 -- password is generated and the hash stored here.
73 -- The previous password is left in place until
74 -- someone actually logs in with the new password,
75 -- at which point the hash is moved to user_password
76 -- and the old password is invalidated.
77 user_newpassword tinyblob
NOT NULL,
79 -- Timestamp of the last time when a new password was
80 -- sent, for throttling purposes
81 user_newpass_time
binary(14),
83 -- Note: email should be restricted, not public info.
84 -- Same with passwords.
85 user_email tinytext
NOT NULL,
87 -- Newline-separated list of name=value defining the user
89 -- Now obsolete in favour of user_properties table;
90 -- old values will be migrated from here transparently.
91 user_options
blob NOT NULL,
93 -- This is a timestamp which is updated when a user
94 -- logs in, logs out, changes preferences, or performs
95 -- some other action requiring HTML cache invalidation
96 -- to ensure that the UI is updated.
97 user_touched
binary(14) NOT NULL default '',
99 -- A pseudorandomly generated value that is stored in
100 -- a cookie when the "remember password" feature is
101 -- used (previously, a hash of the password was used, but
102 -- this was vulnerable to cookie-stealing attacks)
103 user_token
binary(32) NOT NULL default '',
105 -- Initially NULL; when a user's e-mail address has been
106 -- validated by returning with a mailed token, this is
107 -- set to the current timestamp.
108 user_email_authenticated
binary(14),
110 -- Randomly generated token created when the e-mail address
111 -- is set and a confirmation test mail sent.
112 user_email_token
binary(32),
114 -- Expiration date for the user_email_token
115 user_email_token_expires
binary(14),
117 -- Timestamp of account registration.
118 -- Accounts predating this schema addition may contain NULL.
119 user_registration
binary(14),
121 -- Count of edits and edit-like actions.
123 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
124 -- May contain NULL for old accounts if batch-update scripts haven't been
125 -- run, as well as listing deleted edits and other myriad ways it could be
128 -- Meant primarily for heuristic checks to give an impression of whether
129 -- the account has been used much.
132 ) /*$wgDBTableOptions*/;
134 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/user (user_name
);
135 CREATE INDEX /*i*/user_email_token
ON /*_*/user (user_email_token
);
139 -- User permissions have been broken out to a separate table;
140 -- this allows sites with a shared user table to have different
141 -- permissions assigned to a user in each project.
143 -- This table replaces the old user_rights field which used a
144 -- comma-separated blob.
146 CREATE TABLE /*_*/user_groups (
148 ug_user
int unsigned
NOT NULL default 0,
150 -- Group names are short symbolic string keys.
151 -- The set of group names is open-ended, though in practice
152 -- only some predefined ones are likely to be used.
154 -- At runtime $wgGroupPermissions will associate group keys
155 -- with particular permissions. A user will have the combined
156 -- permissions of any group they're explicitly in, plus
157 -- the implicit '*' and 'user' groups.
158 ug_group
varbinary(16) NOT NULL default ''
159 ) /*$wgDBTableOptions*/;
161 CREATE UNIQUE INDEX /*i*/ug_user_group
ON /*_*/user_groups (ug_user
,ug_group
);
162 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups (ug_group
);
166 -- Stores notifications of user talk page changes, for the display
167 -- of the "you have new messages" box
169 CREATE TABLE /*_*/user_newtalk (
170 -- Key to user.user_id
171 user_id
int NOT NULL default 0,
172 -- If the user is an anonymous user their IP address is stored here
173 -- since the user_id of 0 is ambiguous
174 user_ip
varbinary(40) NOT NULL default '',
175 -- The highest timestamp of revisions of the talk page viewed
177 user_last_timestamp
binary(14) NOT NULL default ''
178 ) /*$wgDBTableOptions*/;
180 -- Indexes renamed for SQLite in 1.14
181 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
182 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
186 -- User preferences and perhaps other fun stuff. :)
187 -- Replaces the old user.user_options blob, with a couple nice properties:
189 -- 1) We only store non-default settings, so changes to the defauls
190 -- are now reflected for everybody, not just new accounts.
191 -- 2) We can more easily do bulk lookups, statistics, or modifications of
192 -- saved options since it's a sane table structure.
194 CREATE TABLE /*_*/user_properties (
195 -- Foreign key to user.user_id
196 up_user
int NOT NULL,
198 -- Name of the option being saved. This is indexed for bulk lookup.
199 up_property
varbinary(32) NOT NULL,
201 -- Property value as a string.
203 ) /*$wgDBTableOptions*/;
205 CREATE UNIQUE INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
206 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
209 -- Core of the wiki: each page has an entry here which identifies
210 -- it by title and contains some essential metadata.
212 CREATE TABLE /*_*/page (
213 -- Unique identifier number. The page_id will be preserved across
214 -- edits and rename operations, but not deletions and recreations.
215 page_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
217 -- A page name is broken into a namespace and a title.
218 -- The namespace keys are UI-language-independent constants,
219 -- defined in includes/Defines.php
220 page_namespace
int NOT NULL,
222 -- The rest of the title, as text.
223 -- Spaces are transformed into underscores in title storage.
224 page_title
varchar(255) binary NOT NULL,
226 -- Comma-separated set of permission keys indicating who
227 -- can move or edit the page.
228 page_restrictions tinyblob
NOT NULL,
230 -- Number of times this page has been viewed.
231 page_counter
bigint unsigned
NOT NULL default 0,
233 -- 1 indicates the article is a redirect.
234 page_is_redirect tinyint unsigned
NOT NULL default 0,
236 -- 1 indicates this is a new entry, with only one edit.
237 -- Not all pages with one edit are new pages.
238 page_is_new tinyint unsigned
NOT NULL default 0,
240 -- Random value between 0 and 1, used for Special:Randompage
241 page_random
real unsigned
NOT NULL,
243 -- This timestamp is updated whenever the page changes in
244 -- a way requiring it to be re-rendered, invalidating caches.
245 -- Aside from editing this includes permission changes,
246 -- creation or deletion of linked pages, and alteration
247 -- of contained templates.
248 page_touched
binary(14) NOT NULL default '',
250 -- Handy key to revision.rev_id of the current revision.
251 -- This may be 0 during page creation, but that shouldn't
252 -- happen outside of a transaction... hopefully.
253 page_latest
int unsigned
NOT NULL,
255 -- Uncompressed length in bytes of the page's current source text.
256 page_len
int unsigned
NOT NULL
257 ) /*$wgDBTableOptions*/;
259 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
260 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
261 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
265 -- Every edit of a page creates also a revision row.
266 -- This stores metadata about the revision, and a reference
267 -- to the text storage backend.
269 CREATE TABLE /*_*/revision (
270 rev_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
272 -- Key to page_id. This should _never_ be invalid.
273 rev_page
int unsigned
NOT NULL,
275 -- Key to text.old_id, where the actual bulk text is stored.
276 -- It's possible for multiple revisions to use the same text,
277 -- for instance revisions where only metadata is altered
278 -- or a rollback to a previous version.
279 rev_text_id
int unsigned
NOT NULL,
281 -- Text comment summarizing the change.
282 -- This text is shown in the history and other changes lists,
283 -- rendered in a subset of wiki markup by Linker::formatComment()
284 rev_comment tinyblob
NOT NULL,
286 -- Key to user.user_id of the user who made this edit.
287 -- Stores 0 for anonymous edits and for some mass imports.
288 rev_user
int unsigned
NOT NULL default 0,
290 -- Text username or IP address of the editor.
291 rev_user_text
varchar(255) binary NOT NULL default '',
294 rev_timestamp
binary(14) NOT NULL default '',
296 -- Records whether the user marked the 'minor edit' checkbox.
297 -- Many automated edits are marked as minor.
298 rev_minor_edit tinyint unsigned
NOT NULL default 0,
300 -- Not yet used; reserved for future changes to the deletion system.
301 rev_deleted tinyint unsigned
NOT NULL default 0,
303 -- Length of this revision in bytes
304 rev_len
int unsigned
,
306 -- Key to revision.rev_id
307 -- This field is used to add support for a tree structure (The Adjacency List Model)
308 rev_parent_id
int unsigned
default NULL
310 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
311 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
313 CREATE UNIQUE INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
314 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
315 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
316 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
317 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
320 -- Holds text of individual page revisions.
322 -- Field names are a holdover from the 'old' revisions table in
323 -- MediaWiki 1.4 and earlier: an upgrade will transform that
324 -- table into the 'text' table to minimize unnecessary churning
325 -- and downtime. If upgrading, the other fields will be left unused.
327 CREATE TABLE /*_*/text (
328 -- Unique text storage key number.
329 -- Note that the 'oldid' parameter used in URLs does *not*
330 -- refer to this number anymore, but to rev_id.
332 -- revision.rev_text_id is a key to this column
333 old_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
335 -- Depending on the contents of the old_flags field, the text
336 -- may be convenient plain text, or it may be funkily encoded.
337 old_text mediumblob
NOT NULL,
339 -- Comma-separated list of flags:
340 -- gzip: text is compressed with PHP's gzdeflate() function.
341 -- utf8: text was stored as UTF-8.
342 -- If $wgLegacyEncoding option is on, rows *without* this flag
343 -- will be converted to UTF-8 transparently at load time.
344 -- object: text field contained a serialized PHP object.
345 -- The object either contains multiple versions compressed
346 -- together to achieve a better compression ratio, or it refers
347 -- to another row where the text can be found.
348 old_flags tinyblob
NOT NULL
349 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
350 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
354 -- Holding area for deleted articles, which may be viewed
355 -- or restored by admins through the Special:Undelete interface.
356 -- The fields generally correspond to the page, revision, and text
357 -- fields, with several caveats.
359 CREATE TABLE /*_*/archive (
360 ar_namespace
int NOT NULL default 0,
361 ar_title
varchar(255) binary NOT NULL default '',
363 -- Newly deleted pages will not store text in this table,
364 -- but will reference the separately existing text rows.
365 -- This field is retained for backwards compatibility,
366 -- so old archived pages will remain accessible after
367 -- upgrading from 1.4 to 1.5.
368 -- Text may be gzipped or otherwise funky.
369 ar_text mediumblob
NOT NULL,
371 -- Basic revision stuff...
372 ar_comment tinyblob
NOT NULL,
373 ar_user
int unsigned
NOT NULL default 0,
374 ar_user_text
varchar(255) binary NOT NULL,
375 ar_timestamp
binary(14) NOT NULL default '',
376 ar_minor_edit tinyint
NOT NULL default 0,
379 ar_flags tinyblob
NOT NULL,
381 -- When revisions are deleted, their unique rev_id is stored
382 -- here so it can be retained after undeletion. This is necessary
383 -- to retain permalinks to given revisions after accidental delete
384 -- cycles or messy operations like history merges.
386 -- Old entries from 1.4 will be NULL here, and a new rev_id will
387 -- be created on undeletion for those revisions.
388 ar_rev_id
int unsigned
,
390 -- For newly deleted revisions, this is the text.old_id key to the
391 -- actual stored text. To avoid breaking the block-compression scheme
392 -- and otherwise making storage changes harder, the actual text is
393 -- *not* deleted from the text table, merely hidden by removal of the
394 -- page and revision entries.
396 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
397 -- ar_text and ar_flags fields will be used to create a new text
398 -- row upon undeletion.
399 ar_text_id
int unsigned
,
401 -- rev_deleted for archives
402 ar_deleted tinyint unsigned
NOT NULL default 0,
404 -- Length of this revision in bytes
407 -- Reference to page_id. Useful for sysadmin fixing of large pages
408 -- merged together in the archives, or for cleanly restoring a page
409 -- at its original ID number if possible.
411 -- Will be NULL for pages deleted prior to 1.11.
412 ar_page_id
int unsigned
,
414 -- Original previous revision
415 ar_parent_id
int unsigned
default NULL
416 ) /*$wgDBTableOptions*/;
418 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
419 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
420 CREATE INDEX /*i*/ar_page_revid
ON /*_*/archive (ar_namespace
, ar_title
, ar_rev_id
);
424 -- Track page-to-page hyperlinks within the wiki.
426 CREATE TABLE /*_*/pagelinks (
427 -- Key to the page_id of the page containing the link.
428 pl_from
int unsigned
NOT NULL default 0,
430 -- Key to page_namespace/page_title of the target page.
431 -- The target page may or may not exist, and due to renames
432 -- and deletions may refer to different page records as time
434 pl_namespace
int NOT NULL default 0,
435 pl_title
varchar(255) binary NOT NULL default ''
436 ) /*$wgDBTableOptions*/;
438 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
439 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
443 -- Track template inclusions.
445 CREATE TABLE /*_*/templatelinks (
446 -- Key to the page_id of the page containing the link.
447 tl_from
int unsigned
NOT NULL default 0,
449 -- Key to page_namespace/page_title of the target page.
450 -- The target page may or may not exist, and due to renames
451 -- and deletions may refer to different page records as time
453 tl_namespace
int NOT NULL default 0,
454 tl_title
varchar(255) binary NOT NULL default ''
455 ) /*$wgDBTableOptions*/;
457 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
458 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
462 -- Track links to images *used inline*
463 -- We don't distinguish live from broken links here, so
464 -- they do not need to be changed on upload/removal.
466 CREATE TABLE /*_*/imagelinks (
467 -- Key to page_id of the page containing the image / media link.
468 il_from
int unsigned
NOT NULL default 0,
470 -- Filename of target image.
471 -- This is also the page_title of the file's description page;
472 -- all such pages are in namespace 6 (NS_FILE).
473 il_to
varchar(255) binary NOT NULL default ''
474 ) /*$wgDBTableOptions*/;
476 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
477 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
481 -- Track category inclusions *used inline*
482 -- This tracks a single level of category membership
484 CREATE TABLE /*_*/categorylinks (
485 -- Key to page_id of the page defined as a category member.
486 cl_from
int unsigned
NOT NULL default 0,
488 -- Name of the category.
489 -- This is also the page_title of the category's description page;
490 -- all such pages are in namespace 14 (NS_CATEGORY).
491 cl_to
varchar(255) binary NOT NULL default '',
493 -- The title of the linking page, or an optional override
494 -- to determine sort order. Sorting is by binary order, which
495 -- isn't always ideal, but collations seem to be an exciting
496 -- and dangerous new world in MySQL... The sortkey is updated
497 -- if no override exists and cl_from is renamed.
499 -- Truncate so that the cl_sortkey key fits in 1000 bytes
500 -- (MyISAM 5 with server_character_set=utf8)
501 cl_sortkey
varchar(70) binary NOT NULL default '',
503 -- This isn't really used at present. Provided for an optional
504 -- sorting method by approximate addition time.
505 cl_timestamp
timestamp NOT NULL
506 ) /*$wgDBTableOptions*/;
508 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
510 -- We always sort within a given category...
511 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_sortkey
,cl_from
);
514 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
518 -- Track all existing categories. Something is a category if 1) it has an en-
519 -- try somewhere in categorylinks, or 2) it once did. Categories might not
520 -- have corresponding pages, so they need to be tracked separately.
522 CREATE TABLE /*_*/category (
524 cat_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
526 -- Name of the category, in the same form as page_title (with underscores).
527 -- If there is a category page corresponding to this category, by definition,
528 -- it has this name (in the Category namespace).
529 cat_title
varchar(255) binary NOT NULL,
531 -- The numbers of member pages (including categories and media), subcatego-
532 -- ries, and Image: namespace members, respectively. These are signed to
533 -- make underflow more obvious. We make the first number include the second
534 -- two for better sorting: subtracting for display is easy, adding for order-
536 cat_pages
int signed
NOT NULL default 0,
537 cat_subcats
int signed
NOT NULL default 0,
538 cat_files
int signed
NOT NULL default 0,
540 -- Reserved for future use
541 cat_hidden tinyint unsigned
NOT NULL default 0
542 ) /*$wgDBTableOptions*/;
544 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
546 -- For Special:Mostlinkedcategories
547 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
551 -- Track links to external URLs
553 CREATE TABLE /*_*/externallinks (
554 -- page_id of the referring page
555 el_from
int unsigned
NOT NULL default 0,
560 -- In the case of HTTP URLs, this is the URL with any username or password
561 -- removed, and with the labels in the hostname reversed and converted to
562 -- lower case. An extra dot is added to allow for matching of either
563 -- example.com or *.example.com in a single scan.
565 -- http://user:password@sub.example.com/page.html
567 -- http://com.example.sub./page.html
568 -- which allows for fast searching for all pages under example.com with the
570 -- WHERE el_index LIKE 'http://com.example.%'
571 el_index
blob NOT NULL
572 ) /*$wgDBTableOptions*/;
574 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
, el_to(40));
575 CREATE INDEX /*i*/el_to
ON /*_*/externallinks (el_to(60), el_from
);
576 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index(60));
580 -- Track external user accounts, if ExternalAuth is used
582 CREATE TABLE /*_*/external_user (
583 -- Foreign key to user_id
584 eu_local_id
int unsigned
NOT NULL PRIMARY KEY,
586 -- Some opaque identifier provided by the external database
587 eu_external_id
varchar(255) binary NOT NULL
588 ) /*$wgDBTableOptions*/;
590 CREATE UNIQUE INDEX /*i*/eu_external_id
ON /*_*/external_user (eu_external_id
);
594 -- Track interlanguage links
596 CREATE TABLE /*_*/langlinks (
597 -- page_id of the referring page
598 ll_from
int unsigned
NOT NULL default 0,
600 -- Language code of the target
601 ll_lang
varbinary(20) NOT NULL default '',
603 -- Title of the target, including namespace
604 ll_title
varchar(255) binary NOT NULL default ''
605 ) /*$wgDBTableOptions*/;
607 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
608 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
612 -- Track inline interwiki links
614 CREATE TABLE /*_*/iwlinks (
615 -- page_id of the referring page
616 iwl_from
int unsigned
NOT NULL default 0,
618 -- Interwiki prefix code of the target
619 iwl_prefix
varbinary(20) NOT NULL default '',
621 -- Title of the target, including namespace
622 iwl_title
varchar(255) binary NOT NULL default ''
623 ) /*$wgDBTableOptions*/;
625 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
626 CREATE UNIQUE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
630 -- Contains a single row with some aggregate info
631 -- on the state of the site.
633 CREATE TABLE /*_*/site_stats (
634 -- The single row should contain 1 here.
635 ss_row_id
int unsigned
NOT NULL,
637 -- Total number of page views, if hit counters are enabled.
638 ss_total_views
bigint unsigned
default 0,
640 -- Total number of edits performed.
641 ss_total_edits
bigint unsigned
default 0,
643 -- An approximate count of pages matching the following criteria:
646 -- * contains the text '[['
647 -- See Article::isCountable() in includes/Article.php
648 ss_good_articles
bigint unsigned
default 0,
650 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
651 ss_total_pages
bigint default '-1',
653 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
654 ss_users
bigint default '-1',
656 -- Number of users that still edit
657 ss_active_users
bigint default '-1',
659 -- Deprecated, no longer updated as of 1.5
660 ss_admins
int default '-1',
662 -- Number of images, equivalent to SELECT COUNT(*) FROM image
663 ss_images
int default 0
664 ) /*$wgDBTableOptions*/;
666 -- Pointless index to assuage developer superstitions
667 CREATE UNIQUE INDEX /*i*/ss_row_id
ON /*_*/site_stats (ss_row_id
);
671 -- Stores an ID for every time any article is visited;
672 -- depending on $wgHitcounterUpdateFreq, it is
673 -- periodically cleared and the page_counter column
674 -- in the page table updated for all the articles
675 -- that have been visited.)
677 CREATE TABLE /*_*/hitcounter (
678 hc_id
int unsigned
NOT NULL
679 ) ENGINE
=HEAP MAX_ROWS
=25000;
683 -- The internet is full of jerks, alas. Sometimes it's handy
684 -- to block a vandal or troll account.
686 CREATE TABLE /*_*/ipblocks (
687 -- Primary key, introduced for privacy.
688 ipb_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
690 -- Blocked IP address in dotted-quad form or user name.
691 ipb_address tinyblob
NOT NULL,
693 -- Blocked user ID or 0 for IP blocks.
694 ipb_user
int unsigned
NOT NULL default 0,
696 -- User ID who made the block.
697 ipb_by
int unsigned
NOT NULL default 0,
699 -- User name of blocker
700 ipb_by_text
varchar(255) binary NOT NULL default '',
702 -- Text comment made by blocker.
703 ipb_reason tinyblob
NOT NULL,
705 -- Creation (or refresh) date in standard YMDHMS form.
706 -- IP blocks expire automatically.
707 ipb_timestamp
binary(14) NOT NULL default '',
709 -- Indicates that the IP address was banned because a banned
710 -- user accessed a page through it. If this is 1, ipb_address
711 -- will be hidden, and the block identified by block ID number.
712 ipb_auto bool
NOT NULL default 0,
714 -- If set to 1, block applies only to logged-out users
715 ipb_anon_only bool
NOT NULL default 0,
717 -- Block prevents account creation from matching IP addresses
718 ipb_create_account bool
NOT NULL default 1,
720 -- Block triggers autoblocks
721 ipb_enable_autoblock bool
NOT NULL default '1',
723 -- Time at which the block will expire.
725 ipb_expiry
varbinary(14) NOT NULL default '',
727 -- Start and end of an address range, in hexadecimal
728 -- Size chosen to allow IPv6
729 ipb_range_start tinyblob
NOT NULL,
730 ipb_range_end tinyblob
NOT NULL,
732 -- Flag for entries hidden from users and Sysops
733 ipb_deleted bool
NOT NULL default 0,
735 -- Block prevents user from accessing Special:Emailuser
736 ipb_block_email bool
NOT NULL default 0,
738 -- Block allows user to edit their own talk page
739 ipb_allow_usertalk bool
NOT NULL default 0
741 ) /*$wgDBTableOptions*/;
743 -- Unique index to support "user already blocked" messages
744 -- Any new options which prevent collisions should be included
745 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
);
747 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
748 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
749 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
750 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
754 -- Uploaded images and other files.
756 CREATE TABLE /*_*/image (
758 -- This is also the title of the associated description page,
759 -- which will be in namespace 6 (NS_FILE).
760 img_name
varchar(255) binary NOT NULL default '' PRIMARY KEY,
762 -- File size in bytes.
763 img_size
int unsigned
NOT NULL default 0,
765 -- For images, size in pixels.
766 img_width
int NOT NULL default 0,
767 img_height
int NOT NULL default 0,
769 -- Extracted EXIF metadata stored as a serialized PHP array.
770 img_metadata mediumblob
NOT NULL,
772 -- For images, bits per pixel if known.
773 img_bits
int NOT NULL default 0,
775 -- Media type as defined by the MEDIATYPE_xxx constants
776 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
778 -- major part of a MIME media type as defined by IANA
779 -- see http://www.iana.org/assignments/media-types/
780 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
782 -- minor part of a MIME media type as defined by IANA
783 -- the minor parts are not required to adher to any standard
784 -- but should be consistent throughout the database
785 -- see http://www.iana.org/assignments/media-types/
786 img_minor_mime
varbinary(100) NOT NULL default "unknown",
788 -- Description field as entered by the uploader.
789 -- This is displayed in image upload history and logs.
790 img_description tinyblob
NOT NULL,
792 -- user_id and user_name of uploader.
793 img_user
int unsigned
NOT NULL default 0,
794 img_user_text
varchar(255) binary NOT NULL,
796 -- Time of the upload.
797 img_timestamp
varbinary(14) NOT NULL default '',
799 -- SHA-1 content hash in base-36
800 img_sha1
varbinary(32) NOT NULL default ''
801 ) /*$wgDBTableOptions*/;
803 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
804 -- Used by Special:ListFiles for sort-by-size
805 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
806 -- Used by Special:Newimages and Special:ListFiles
807 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
808 -- Used in API and duplicate search
809 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
813 -- Previous revisions of uploaded files.
814 -- Awkwardly, image rows have to be moved into
815 -- this table at re-upload time.
817 CREATE TABLE /*_*/oldimage (
818 -- Base filename: key to image.img_name
819 oi_name
varchar(255) binary NOT NULL default '',
821 -- Filename of the archived file.
822 -- This is generally a timestamp and '!' prepended to the base name.
823 oi_archive_name
varchar(255) binary NOT NULL default '',
825 -- Other fields as in image...
826 oi_size
int unsigned
NOT NULL default 0,
827 oi_width
int NOT NULL default 0,
828 oi_height
int NOT NULL default 0,
829 oi_bits
int NOT NULL default 0,
830 oi_description tinyblob
NOT NULL,
831 oi_user
int unsigned
NOT NULL default 0,
832 oi_user_text
varchar(255) binary NOT NULL,
833 oi_timestamp
binary(14) NOT NULL default '',
835 oi_metadata mediumblob
NOT NULL,
836 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
837 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
838 oi_minor_mime
varbinary(100) NOT NULL default "unknown",
839 oi_deleted tinyint unsigned
NOT NULL default 0,
840 oi_sha1
varbinary(32) NOT NULL default ''
841 ) /*$wgDBTableOptions*/;
843 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
844 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
845 -- oi_archive_name truncated to 14 to avoid key length overflow
846 CREATE INDEX /*i*/oi_name_archive_name
ON /*_*/oldimage (oi_name
,oi_archive_name(14));
847 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
851 -- Record of deleted file data
853 CREATE TABLE /*_*/filearchive (
855 fa_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
857 -- Original base filename; key to image.img_name, page.page_title, etc
858 fa_name
varchar(255) binary NOT NULL default '',
860 -- Filename of archived file, if an old revision
861 fa_archive_name
varchar(255) binary default '',
863 -- Which storage bin (directory tree or object store) the file data
864 -- is stored in. Should be 'deleted' for files that have been deleted;
865 -- any other bin is not yet in use.
866 fa_storage_group
varbinary(16),
868 -- SHA-1 of the file contents plus extension, used as a key for storage.
869 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
871 -- If NULL, the file was missing at deletion time or has been purged
872 -- from the archival storage.
873 fa_storage_key
varbinary(64) default '',
875 -- Deletion information, if this file is deleted.
877 fa_deleted_timestamp
binary(14) default '',
878 fa_deleted_reason
text,
880 -- Duped fields from image
881 fa_size
int unsigned
default 0,
882 fa_width
int default 0,
883 fa_height
int default 0,
884 fa_metadata mediumblob
,
885 fa_bits
int default 0,
886 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
887 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
888 fa_minor_mime
varbinary(100) default "unknown",
889 fa_description tinyblob
,
890 fa_user
int unsigned
default 0,
891 fa_user_text
varchar(255) binary,
892 fa_timestamp
binary(14) default '',
894 -- Visibility of deleted revisions, bitfield
895 fa_deleted tinyint unsigned
NOT NULL default 0
896 ) /*$wgDBTableOptions*/;
898 -- pick out by image name
899 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
900 -- pick out dupe files
901 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
902 -- sort by deletion time
903 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
905 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
909 -- Primarily a summary table for Special:Recentchanges,
910 -- this table contains some additional info on edits from
911 -- the last few days, see Article::editUpdates()
913 CREATE TABLE /*_*/recentchanges (
914 rc_id
int NOT NULL PRIMARY KEY AUTO_INCREMENT
,
915 rc_timestamp
varbinary(14) NOT NULL default '',
916 rc_cur_time
varbinary(14) NOT NULL default '',
919 rc_user
int unsigned
NOT NULL default 0,
920 rc_user_text
varchar(255) binary NOT NULL,
922 -- When pages are renamed, their RC entries do _not_ change.
923 rc_namespace
int NOT NULL default 0,
924 rc_title
varchar(255) binary NOT NULL default '',
927 rc_comment
varchar(255) binary NOT NULL default '',
928 rc_minor tinyint unsigned
NOT NULL default 0,
930 -- Edits by user accounts with the 'bot' rights key are
931 -- marked with a 1 here, and will be hidden from the
933 rc_bot tinyint unsigned
NOT NULL default 0,
935 rc_new tinyint unsigned
NOT NULL default 0,
937 -- Key to page_id (was cur_id prior to 1.5).
938 -- This will keep links working after moves while
939 -- retaining the at-the-time name in the changes list.
940 rc_cur_id
int unsigned
NOT NULL default 0,
942 -- rev_id of the given revision
943 rc_this_oldid
int unsigned
NOT NULL default 0,
945 -- rev_id of the prior revision, for generating diff links.
946 rc_last_oldid
int unsigned
NOT NULL default 0,
948 -- These may no longer be used, with the new move log.
949 rc_type tinyint unsigned
NOT NULL default 0,
950 rc_moved_to_ns tinyint unsigned
NOT NULL default 0,
951 rc_moved_to_title
varchar(255) binary NOT NULL default '',
953 -- If the Recent Changes Patrol option is enabled,
954 -- users may mark edits as having been reviewed to
955 -- remove a warning flag on the RC list.
956 -- A value of 1 indicates the page has been reviewed.
957 rc_patrolled tinyint unsigned
NOT NULL default 0,
959 -- Recorded IP address the edit was made from, if the
960 -- $wgPutIPinRC option is enabled.
961 rc_ip
varbinary(40) NOT NULL default '',
963 -- Text length in characters before
964 -- and after the edit
968 -- Visibility of recent changes items, bitfield
969 rc_deleted tinyint unsigned
NOT NULL default 0,
971 -- Value corresonding to log_id, specific log entries
972 rc_logid
int unsigned
NOT NULL default 0,
973 -- Store log type info here, or null
974 rc_log_type
varbinary(255) NULL default NULL,
975 -- Store log action or null
976 rc_log_action
varbinary(255) NULL default NULL,
979 ) /*$wgDBTableOptions*/;
981 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
982 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
983 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
984 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
985 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
986 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
987 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
990 CREATE TABLE /*_*/watchlist (
991 -- Key to user.user_id
992 wl_user
int unsigned
NOT NULL,
994 -- Key to page_namespace/page_title
995 -- Note that users may watch pages which do not exist yet,
996 -- or existed in the past but have been deleted.
997 wl_namespace
int NOT NULL default 0,
998 wl_title
varchar(255) binary NOT NULL default '',
1000 -- Timestamp when user was last sent a notification e-mail;
1001 -- cleared when the user visits the page.
1002 wl_notificationtimestamp
varbinary(14)
1004 ) /*$wgDBTableOptions*/;
1006 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1007 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1011 -- Used by the math module to keep track
1012 -- of previously-rendered items.
1014 CREATE TABLE /*_*/math (
1015 -- Binary MD5 hash of the latex fragment, used as an identifier key.
1016 math_inputhash
varbinary(16) NOT NULL,
1018 -- Not sure what this is, exactly...
1019 math_outputhash
varbinary(16) NOT NULL,
1021 -- texvc reports how well it thinks the HTML conversion worked;
1022 -- if it's a low level the PNG rendering may be preferred.
1023 math_html_conservativeness tinyint
NOT NULL,
1025 -- HTML output from texvc, if any
1028 -- MathML output from texvc, if any
1030 ) /*$wgDBTableOptions*/;
1032 CREATE UNIQUE INDEX /*i*/math_inputhash
ON /*_*/math (math_inputhash
);
1036 -- When using the default MySQL search backend, page titles
1037 -- and text are munged to strip markup, do Unicode case folding,
1038 -- and prepare the result for MySQL's fulltext index.
1040 -- This table must be MyISAM; InnoDB does not support the needed
1043 CREATE TABLE /*_*/searchindex (
1045 si_page
int unsigned
NOT NULL,
1047 -- Munged version of title
1048 si_title
varchar(255) NOT NULL default '',
1050 -- Munged version of body text
1051 si_text mediumtext
NOT NULL
1054 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1055 CREATE FULLTEXT
INDEX /*i*/si_title
ON /*_*/searchindex (si_title
);
1056 CREATE FULLTEXT
INDEX /*i*/si_text
ON /*_*/searchindex (si_text
);
1060 -- Recognized interwiki link prefixes
1062 CREATE TABLE /*_*/interwiki (
1063 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1064 iw_prefix
varchar(32) NOT NULL,
1066 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1067 -- Any spaces in the name will be transformed to underscores before
1069 iw_url
blob NOT NULL,
1071 -- The URL of the file api.php
1072 iw_api
blob NOT NULL,
1074 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1075 iw_wikiid
varchar(64) NOT NULL,
1077 -- A boolean value indicating whether the wiki is in this project
1078 -- (used, for example, to detect redirect loops)
1079 iw_local bool
NOT NULL,
1081 -- Boolean value indicating whether interwiki transclusions are allowed.
1082 iw_trans tinyint
NOT NULL default 0
1083 ) /*$wgDBTableOptions*/;
1085 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1089 -- Used for caching expensive grouped queries
1091 CREATE TABLE /*_*/querycache (
1092 -- A key name, generally the base name of of the special page.
1093 qc_type
varbinary(32) NOT NULL,
1095 -- Some sort of stored value. Sizes, counts...
1096 qc_value
int unsigned
NOT NULL default 0,
1098 -- Target namespace+title
1099 qc_namespace
int NOT NULL default 0,
1100 qc_title
varchar(255) binary NOT NULL default ''
1101 ) /*$wgDBTableOptions*/;
1103 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1107 -- For a few generic cache operations if not using Memcached
1109 CREATE TABLE /*_*/objectcache (
1110 keyname
varbinary(255) NOT NULL default '' PRIMARY KEY,
1113 ) /*$wgDBTableOptions*/;
1114 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1118 -- Cache of interwiki transclusion
1120 CREATE TABLE /*_*/transcache (
1121 tc_url
varbinary(255) NOT NULL,
1123 tc_time
binary(14) NOT NULL
1124 ) /*$wgDBTableOptions*/;
1126 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1129 CREATE TABLE /*_*/logging (
1130 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1131 log_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1133 -- Symbolic keys for the general log type and the action type
1134 -- within the log. The output format will be controlled by the
1135 -- action field, but only the type controls categorization.
1136 log_type
varbinary(32) NOT NULL default '',
1137 log_action
varbinary(32) NOT NULL default '',
1140 log_timestamp
binary(14) NOT NULL default '19700101000000',
1142 -- The user who performed this action; key to user_id
1143 log_user
int unsigned
NOT NULL default 0,
1145 -- Name of the user who performed this action
1146 log_user_text
varchar(255) binary NOT NULL default '',
1148 -- Key to the page affected. Where a user is the target,
1149 -- this will point to the user page.
1150 log_namespace
int NOT NULL default 0,
1151 log_title
varchar(255) binary NOT NULL default '',
1152 log_page
int unsigned
NULL,
1154 -- Freeform text. Interpreted as edit history comments.
1155 log_comment
varchar(255) NOT NULL default '',
1157 -- LF separated list of miscellaneous parameters
1158 log_params
blob NOT NULL,
1160 -- rev_deleted for logs
1161 log_deleted tinyint unsigned
NOT NULL default 0
1162 ) /*$wgDBTableOptions*/;
1164 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1165 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1166 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1167 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1168 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1169 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1172 CREATE TABLE /*_*/log_search (
1173 -- The type of ID (rev ID, log ID, rev timestamp, username)
1174 ls_field
varbinary(32) NOT NULL,
1175 -- The value of the ID
1176 ls_value
varchar(255) NOT NULL,
1178 ls_log_id
int unsigned
NOT NULL default 0
1179 ) /*$wgDBTableOptions*/;
1180 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1181 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1184 CREATE TABLE /*_*/trackbacks (
1185 tb_id
int PRIMARY KEY AUTO_INCREMENT
,
1186 tb_page
int REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1187 tb_title
varchar(255) NOT NULL,
1188 tb_url
blob NOT NULL,
1190 tb_name
varchar(255)
1191 ) /*$wgDBTableOptions*/;
1192 CREATE INDEX /*i*/tb_page
ON /*_*/trackbacks (tb_page
);
1195 -- Jobs performed by parallel apache threads or a command-line daemon
1196 CREATE TABLE /*_*/job (
1197 job_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
,
1200 -- Limited to 60 to prevent key length overflow
1201 job_cmd
varbinary(60) NOT NULL default '',
1203 -- Namespace and title to act on
1204 -- Should be 0 and '' if the command does not operate on a title
1205 job_namespace
int NOT NULL,
1206 job_title
varchar(255) binary NOT NULL,
1208 -- Any other parameters to the command
1209 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1210 job_params
blob NOT NULL
1211 ) /*$wgDBTableOptions*/;
1213 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
, job_params(128));
1216 -- Details of updates to cached special pages
1217 CREATE TABLE /*_*/querycache_info (
1218 -- Special page name
1219 -- Corresponds to a qc_type value
1220 qci_type
varbinary(32) NOT NULL default '',
1222 -- Timestamp of last update
1223 qci_timestamp
binary(14) NOT NULL default '19700101000000'
1224 ) /*$wgDBTableOptions*/;
1226 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1229 -- For each redirect, this table contains exactly one row defining its target
1230 CREATE TABLE /*_*/redirect (
1231 -- Key to the page_id of the redirect page
1232 rd_from
int unsigned
NOT NULL default 0 PRIMARY KEY,
1234 -- Key to page_namespace/page_title of the target page.
1235 -- The target page may or may not exist, and due to renames
1236 -- and deletions may refer to different page records as time
1238 rd_namespace
int NOT NULL default 0,
1239 rd_title
varchar(255) binary NOT NULL default '',
1240 rd_interwiki
varchar(32) default NULL,
1241 rd_fragment
varchar(255) binary default NULL
1242 ) /*$wgDBTableOptions*/;
1244 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1247 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1248 CREATE TABLE /*_*/querycachetwo (
1249 -- A key name, generally the base name of of the special page.
1250 qcc_type
varbinary(32) NOT NULL,
1252 -- Some sort of stored value. Sizes, counts...
1253 qcc_value
int unsigned
NOT NULL default 0,
1255 -- Target namespace+title
1256 qcc_namespace
int NOT NULL default 0,
1257 qcc_title
varchar(255) binary NOT NULL default '',
1259 -- Target namespace+title2
1260 qcc_namespacetwo
int NOT NULL default 0,
1261 qcc_titletwo
varchar(255) binary NOT NULL default ''
1262 ) /*$wgDBTableOptions*/;
1264 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1265 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1266 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1269 -- Used for storing page restrictions (i.e. protection levels)
1270 CREATE TABLE /*_*/page_restrictions (
1271 -- Page to apply restrictions to (Foreign Key to page).
1272 pr_page
int NOT NULL,
1273 -- The protection type (edit, move, etc)
1274 pr_type
varbinary(60) NOT NULL,
1275 -- The protection level (Sysop, autoconfirmed, etc)
1276 pr_level
varbinary(60) NOT NULL,
1277 -- Whether or not to cascade the protection down to pages transcluded.
1278 pr_cascade tinyint
NOT NULL,
1279 -- Field for future support of per-user restriction.
1281 -- Field for time-limited protection.
1282 pr_expiry
varbinary(14) NULL,
1283 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1284 pr_id
int unsigned
NOT NULL PRIMARY KEY AUTO_INCREMENT
1285 ) /*$wgDBTableOptions*/;
1287 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1288 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1289 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1290 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1293 -- Protected titles - nonexistent pages that have been protected
1294 CREATE TABLE /*_*/protected_titles (
1295 pt_namespace
int NOT NULL,
1296 pt_title
varchar(255) binary NOT NULL,
1297 pt_user
int unsigned
NOT NULL,
1299 pt_timestamp
binary(14) NOT NULL,
1300 pt_expiry
varbinary(14) NOT NULL default '',
1301 pt_create_perm
varbinary(60) NOT NULL
1302 ) /*$wgDBTableOptions*/;
1304 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1305 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1308 -- Name/value pairs indexed by page_id
1309 CREATE TABLE /*_*/page_props (
1310 pp_page
int NOT NULL,
1311 pp_propname
varbinary(60) NOT NULL,
1312 pp_value
blob NOT NULL
1313 ) /*$wgDBTableOptions*/;
1315 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1318 -- A table to log updates, one text key row per update.
1319 CREATE TABLE /*_*/updatelog (
1320 ul_key
varchar(255) NOT NULL PRIMARY KEY,
1322 ) /*$wgDBTableOptions*/;
1325 -- A table to track tags for revisions, logs and recent changes.
1326 CREATE TABLE /*_*/change_tag (
1327 -- RCID for the change
1329 -- LOGID for the change
1331 -- REVID for the change
1334 ct_tag
varchar(255) NOT NULL,
1335 -- Parameters for the tag, presently unused
1337 ) /*$wgDBTableOptions*/;
1339 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1340 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1341 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1342 -- Covering index, so we can pull all the info only out of the index.
1343 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1346 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1347 -- that only works on MySQL 4.1+
1348 CREATE TABLE /*_*/tag_summary (
1349 -- RCID for the change
1351 -- LOGID for the change
1353 -- REVID for the change
1355 -- Comma-separated list of tags
1356 ts_tags
blob NOT NULL
1357 ) /*$wgDBTableOptions*/;
1359 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1360 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1361 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1364 CREATE TABLE /*_*/valid_tag (
1365 vt_tag
varchar(255) NOT NULL PRIMARY KEY
1366 ) /*$wgDBTableOptions*/;
1368 -- Table for storing localisation data
1369 CREATE TABLE /*_*/l10n_cache (
1371 lc_lang
varbinary(32) NOT NULL,
1373 lc_key
varchar(255) NOT NULL,
1375 lc_value mediumblob
NOT NULL
1376 ) /*$wgDBTableOptions*/;
1377 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1379 -- vim: sw=2 sts=2 et