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 user_options blob NOT NULL,
91 -- This is a timestamp which is updated when a user
92 -- logs in, logs out, changes preferences, or performs
93 -- some other action requiring HTML cache invalidation
94 -- to ensure that the UI is updated.
95 user_touched binary(14) NOT NULL default '',
97 -- A pseudorandomly generated value that is stored in
98 -- a cookie when the "remember password" feature is
99 -- used (previously, a hash of the password was used, but
100 -- this was vulnerable to cookie-stealing attacks)
101 user_token binary(32) NOT NULL default '',
103 -- Initially NULL; when a user's e-mail address has been
104 -- validated by returning with a mailed token, this is
105 -- set to the current timestamp.
106 user_email_authenticated binary(14),
108 -- Randomly generated token created when the e-mail address
109 -- is set and a confirmation test mail sent.
110 user_email_token binary(32),
112 -- Expiration date for the user_email_token
113 user_email_token_expires binary(14),
115 -- Timestamp of account registration.
116 -- Accounts predating this schema addition may contain NULL.
117 user_registration binary(14),
119 -- Count of edits and edit-like actions.
121 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
122 -- May contain NULL for old accounts if batch-update scripts haven't been
123 -- run, as well as listing deleted edits and other myriad ways it could be
126 -- Meant primarily for heuristic checks to give an impression of whether
127 -- the account has been used much.
130 ) /*$wgDBTableOptions*/;
132 CREATE UNIQUE INDEX /*i*/user_name ON /*_*/user (user_name);
133 CREATE INDEX /*i*/user_email_token ON /*_*/user (user_email_token);
137 -- User permissions have been broken out to a separate table;
138 -- this allows sites with a shared user table to have different
139 -- permissions assigned to a user in each project.
141 -- This table replaces the old user_rights field which used a
142 -- comma-separated blob.
144 CREATE TABLE /*_*/user_groups (
146 ug_user int unsigned NOT NULL default 0,
148 -- Group names are short symbolic string keys.
149 -- The set of group names is open-ended, though in practice
150 -- only some predefined ones are likely to be used.
152 -- At runtime $wgGroupPermissions will associate group keys
153 -- with particular permissions. A user will have the combined
154 -- permissions of any group they're explicitly in, plus
155 -- the implicit '*' and 'user' groups.
156 ug_group varbinary(16) NOT NULL default ''
157 ) /*$wgDBTableOptions*/;
159 CREATE UNIQUE INDEX /*i*/ug_user_group ON /*_*/user_groups (ug_user,ug_group);
160 CREATE INDEX /*i*/ug_group ON /*_*/user_groups (ug_group);
163 -- Stores notifications of user talk page changes, for the display
164 -- of the "you have new messages" box
165 CREATE TABLE /*_*/user_newtalk (
166 -- Key to user.user_id
167 user_id int NOT NULL default 0,
168 -- If the user is an anonymous user their IP address is stored here
169 -- since the user_id of 0 is ambiguous
170 user_ip varbinary(40) NOT NULL default '',
171 -- The highest timestamp of revisions of the talk page viewed
173 user_last_timestamp binary(14) NOT NULL default ''
174 ) /*$wgDBTableOptions*/;
176 -- Indexes renamed for SQLite in 1.14
177 CREATE INDEX /*i*/un_user_id ON /*_*/user_newtalk (user_id);
178 CREATE INDEX /*i*/un_user_ip ON /*_*/user_newtalk (user_ip);
182 -- Core of the wiki: each page has an entry here which identifies
183 -- it by title and contains some essential metadata.
185 CREATE TABLE /*_*/page (
186 -- Unique identifier number. The page_id will be preserved across
187 -- edits and rename operations, but not deletions and recreations.
188 page_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
190 -- A page name is broken into a namespace and a title.
191 -- The namespace keys are UI-language-independent constants,
192 -- defined in includes/Defines.php
193 page_namespace int NOT NULL,
195 -- The rest of the title, as text.
196 -- Spaces are transformed into underscores in title storage.
197 page_title varchar(255) binary NOT NULL,
199 -- Comma-separated set of permission keys indicating who
200 -- can move or edit the page.
201 page_restrictions tinyblob NOT NULL,
203 -- Number of times this page has been viewed.
204 page_counter bigint unsigned NOT NULL default 0,
206 -- 1 indicates the article is a redirect.
207 page_is_redirect tinyint unsigned NOT NULL default 0,
209 -- 1 indicates this is a new entry, with only one edit.
210 -- Not all pages with one edit are new pages.
211 page_is_new tinyint unsigned NOT NULL default 0,
213 -- Random value between 0 and 1, used for Special:Randompage
214 page_random real unsigned NOT NULL,
216 -- This timestamp is updated whenever the page changes in
217 -- a way requiring it to be re-rendered, invalidating caches.
218 -- Aside from editing this includes permission changes,
219 -- creation or deletion of linked pages, and alteration
220 -- of contained templates.
221 page_touched binary(14) NOT NULL default '',
223 -- Handy key to revision.rev_id of the current revision.
224 -- This may be 0 during page creation, but that shouldn't
225 -- happen outside of a transaction... hopefully.
226 page_latest int unsigned NOT NULL,
228 -- Uncompressed length in bytes of the page's current source text.
229 page_len int unsigned NOT NULL
230 ) /*$wgDBTableOptions*/;
232 CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title);
233 CREATE INDEX /*i*/page_random ON /*_*/page (page_random);
234 CREATE INDEX /*i*/page_len ON /*_*/page (page_len);
238 -- Every edit of a page creates also a revision row.
239 -- This stores metadata about the revision, and a reference
240 -- to the text storage backend.
242 CREATE TABLE /*_*/revision (
243 rev_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
245 -- Key to page_id. This should _never_ be invalid.
246 rev_page int unsigned NOT NULL,
248 -- Key to text.old_id, where the actual bulk text is stored.
249 -- It's possible for multiple revisions to use the same text,
250 -- for instance revisions where only metadata is altered
251 -- or a rollback to a previous version.
252 rev_text_id int unsigned NOT NULL,
254 -- Text comment summarizing the change.
255 -- This text is shown in the history and other changes lists,
256 -- rendered in a subset of wiki markup by Linker::formatComment()
257 rev_comment tinyblob NOT NULL,
259 -- Key to user.user_id of the user who made this edit.
260 -- Stores 0 for anonymous edits and for some mass imports.
261 rev_user int unsigned NOT NULL default 0,
263 -- Text username or IP address of the editor.
264 rev_user_text varchar(255) binary NOT NULL default '',
267 rev_timestamp binary(14) NOT NULL default '',
269 -- Records whether the user marked the 'minor edit' checkbox.
270 -- Many automated edits are marked as minor.
271 rev_minor_edit tinyint unsigned NOT NULL default 0,
273 -- Not yet used; reserved for future changes to the deletion system.
274 rev_deleted tinyint unsigned NOT NULL default 0,
276 -- Length of this revision in bytes
277 rev_len int unsigned,
279 -- Key to revision.rev_id
280 -- This field is used to add support for a tree structure (The Adjacency List Model)
281 rev_parent_id int unsigned default NULL
283 ) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024;
284 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
286 CREATE UNIQUE INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id);
287 CREATE INDEX /*i*/rev_timestamp ON /*_*/revision (rev_timestamp);
288 CREATE INDEX /*i*/page_timestamp ON /*_*/revision (rev_page,rev_timestamp);
289 CREATE INDEX /*i*/user_timestamp ON /*_*/revision (rev_user,rev_timestamp);
290 CREATE INDEX /*i*/usertext_timestamp ON /*_*/revision (rev_user_text,rev_timestamp);
293 -- Holds text of individual page revisions.
295 -- Field names are a holdover from the 'old' revisions table in
296 -- MediaWiki 1.4 and earlier: an upgrade will transform that
297 -- table into the 'text' table to minimize unnecessary churning
298 -- and downtime. If upgrading, the other fields will be left unused.
300 CREATE TABLE /*_*/text (
301 -- Unique text storage key number.
302 -- Note that the 'oldid' parameter used in URLs does *not*
303 -- refer to this number anymore, but to rev_id.
305 -- revision.rev_text_id is a key to this column
306 old_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
308 -- Depending on the contents of the old_flags field, the text
309 -- may be convenient plain text, or it may be funkily encoded.
310 old_text mediumblob NOT NULL,
312 -- Comma-separated list of flags:
313 -- gzip: text is compressed with PHP's gzdeflate() function.
314 -- utf8: text was stored as UTF-8.
315 -- If $wgLegacyEncoding option is on, rows *without* this flag
316 -- will be converted to UTF-8 transparently at load time.
317 -- object: text field contained a serialized PHP object.
318 -- The object either contains multiple versions compressed
319 -- together to achieve a better compression ratio, or it refers
320 -- to another row where the text can be found.
321 old_flags tinyblob NOT NULL
322 ) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=10240;
323 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
327 -- Holding area for deleted articles, which may be viewed
328 -- or restored by admins through the Special:Undelete interface.
329 -- The fields generally correspond to the page, revision, and text
330 -- fields, with several caveats.
332 CREATE TABLE /*_*/archive (
333 ar_namespace int NOT NULL default 0,
334 ar_title varchar(255) binary NOT NULL default '',
336 -- Newly deleted pages will not store text in this table,
337 -- but will reference the separately existing text rows.
338 -- This field is retained for backwards compatibility,
339 -- so old archived pages will remain accessible after
340 -- upgrading from 1.4 to 1.5.
341 -- Text may be gzipped or otherwise funky.
342 ar_text mediumblob NOT NULL,
344 -- Basic revision stuff...
345 ar_comment tinyblob NOT NULL,
346 ar_user int unsigned NOT NULL default 0,
347 ar_user_text varchar(255) binary NOT NULL,
348 ar_timestamp binary(14) NOT NULL default '',
349 ar_minor_edit tinyint NOT NULL default 0,
352 ar_flags tinyblob NOT NULL,
354 -- When revisions are deleted, their unique rev_id is stored
355 -- here so it can be retained after undeletion. This is necessary
356 -- to retain permalinks to given revisions after accidental delete
357 -- cycles or messy operations like history merges.
359 -- Old entries from 1.4 will be NULL here, and a new rev_id will
360 -- be created on undeletion for those revisions.
361 ar_rev_id int unsigned,
363 -- For newly deleted revisions, this is the text.old_id key to the
364 -- actual stored text. To avoid breaking the block-compression scheme
365 -- and otherwise making storage changes harder, the actual text is
366 -- *not* deleted from the text table, merely hidden by removal of the
367 -- page and revision entries.
369 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
370 -- ar_text and ar_flags fields will be used to create a new text
371 -- row upon undeletion.
372 ar_text_id int unsigned,
374 -- rev_deleted for archives
375 ar_deleted tinyint unsigned NOT NULL default 0,
377 -- Length of this revision in bytes
380 -- Reference to page_id. Useful for sysadmin fixing of large pages
381 -- merged together in the archives, or for cleanly restoring a page
382 -- at its original ID number if possible.
384 -- Will be NULL for pages deleted prior to 1.11.
385 ar_page_id int unsigned,
387 -- Original previous revision
388 ar_parent_id int unsigned default NULL
389 ) /*$wgDBTableOptions*/;
391 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
392 CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
396 -- Track page-to-page hyperlinks within the wiki.
398 CREATE TABLE /*_*/pagelinks (
399 -- Key to the page_id of the page containing the link.
400 pl_from int unsigned NOT NULL default 0,
402 -- Key to page_namespace/page_title of the target page.
403 -- The target page may or may not exist, and due to renames
404 -- and deletions may refer to different page records as time
406 pl_namespace int NOT NULL default 0,
407 pl_title varchar(255) binary NOT NULL default ''
408 ) /*$wgDBTableOptions*/;
410 CREATE UNIQUE INDEX /*i*/pl_from ON /*_*/pagelinks (pl_from,pl_namespace,pl_title);
411 CREATE UNIQUE INDEX /*i*/pl_namespace ON /*_*/pagelinks (pl_namespace,pl_title,pl_from);
415 -- Track template inclusions.
417 CREATE TABLE /*_*/templatelinks (
418 -- Key to the page_id of the page containing the link.
419 tl_from int unsigned NOT NULL default 0,
421 -- Key to page_namespace/page_title of the target page.
422 -- The target page may or may not exist, and due to renames
423 -- and deletions may refer to different page records as time
425 tl_namespace int NOT NULL default 0,
426 tl_title varchar(255) binary NOT NULL default ''
427 ) /*$wgDBTableOptions*/;
429 CREATE UNIQUE INDEX /*i*/tl_from ON /*_*/templatelinks (tl_from,tl_namespace,tl_title);
430 CREATE UNIQUE INDEX /*i*/tl_namespace ON /*_*/templatelinks (tl_namespace,tl_title,tl_from);
434 -- Track links to images *used inline*
435 -- We don't distinguish live from broken links here, so
436 -- they do not need to be changed on upload/removal.
438 CREATE TABLE /*_*/imagelinks (
439 -- Key to page_id of the page containing the image / media link.
440 il_from int unsigned NOT NULL default 0,
442 -- Filename of target image.
443 -- This is also the page_title of the file's description page;
444 -- all such pages are in namespace 6 (NS_FILE).
445 il_to varchar(255) binary NOT NULL default ''
446 ) /*$wgDBTableOptions*/;
448 CREATE UNIQUE INDEX /*i*/il_from ON /*_*/imagelinks (il_from,il_to);
449 CREATE UNIQUE INDEX /*i*/il_to ON /*_*/imagelinks (il_to,il_from);
453 -- Track category inclusions *used inline*
454 -- This tracks a single level of category membership
456 CREATE TABLE /*_*/categorylinks (
457 -- Key to page_id of the page defined as a category member.
458 cl_from int unsigned NOT NULL default 0,
460 -- Name of the category.
461 -- This is also the page_title of the category's description page;
462 -- all such pages are in namespace 14 (NS_CATEGORY).
463 cl_to varchar(255) binary NOT NULL default '',
465 -- The title of the linking page, or an optional override
466 -- to determine sort order. Sorting is by binary order, which
467 -- isn't always ideal, but collations seem to be an exciting
468 -- and dangerous new world in MySQL... The sortkey is updated
469 -- if no override exists and cl_from is renamed.
471 -- Truncate so that the cl_sortkey key fits in 1000 bytes
472 -- (MyISAM 5 with server_character_set=utf8)
473 cl_sortkey varchar(70) binary NOT NULL default '',
475 -- This isn't really used at present. Provided for an optional
476 -- sorting method by approximate addition time.
477 cl_timestamp timestamp NOT NULL
478 ) /*$wgDBTableOptions*/;
480 CREATE UNIQUE INDEX /*i*/cl_from ON /*_*/categorylinks (cl_from,cl_to);
482 -- We always sort within a given category...
483 CREATE INDEX /*i*/cl_sortkey ON /*_*/categorylinks (cl_to,cl_sortkey,cl_from);
486 CREATE INDEX /*i*/cl_timestamp ON /*_*/categorylinks (cl_to,cl_timestamp);
490 -- Track all existing categories. Something is a category if 1) it has an en-
491 -- try somewhere in categorylinks, or 2) it once did. Categories might not
492 -- have corresponding pages, so they need to be tracked separately.
494 CREATE TABLE /*_*/category (
496 cat_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
498 -- Name of the category, in the same form as page_title (with underscores).
499 -- If there is a category page corresponding to this category, by definition,
500 -- it has this name (in the Category namespace).
501 cat_title varchar(255) binary NOT NULL,
503 -- The numbers of member pages (including categories and media), subcatego-
504 -- ries, and Image: namespace members, respectively. These are signed to
505 -- make underflow more obvious. We make the first number include the second
506 -- two for better sorting: subtracting for display is easy, adding for order-
508 cat_pages int signed NOT NULL default 0,
509 cat_subcats int signed NOT NULL default 0,
510 cat_files int signed NOT NULL default 0,
512 -- Reserved for future use
513 cat_hidden tinyint unsigned NOT NULL default 0
514 ) /*$wgDBTableOptions*/;
516 CREATE UNIQUE INDEX /*i*/cat_title ON /*_*/category (cat_title);
518 -- For Special:Mostlinkedcategories
519 CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages);
523 -- Track links to external URLs
525 CREATE TABLE /*_*/externallinks (
526 -- page_id of the referring page
527 el_from int unsigned NOT NULL default 0,
532 -- In the case of HTTP URLs, this is the URL with any username or password
533 -- removed, and with the labels in the hostname reversed and converted to
534 -- lower case. An extra dot is added to allow for matching of either
535 -- example.com or *.example.com in a single scan.
537 -- http://user:password@sub.example.com/page.html
539 -- http://com.example.sub./page.html
540 -- which allows for fast searching for all pages under example.com with the
542 -- WHERE el_index LIKE 'http://com.example.%'
543 el_index blob NOT NULL
544 ) /*$wgDBTableOptions*/;
546 CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from, el_to(40));
547 CREATE INDEX /*i*/el_to ON /*_*/externallinks (el_to(60), el_from);
548 CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index(60));
552 -- Track interlanguage links
554 CREATE TABLE /*_*/langlinks (
555 -- page_id of the referring page
556 ll_from int unsigned NOT NULL default 0,
558 -- Language code of the target
559 ll_lang varbinary(20) NOT NULL default '',
561 -- Title of the target, including namespace
562 ll_title varchar(255) binary NOT NULL default ''
563 ) /*$wgDBTableOptions*/;
565 CREATE UNIQUE INDEX /*i*/ll_from ON /*_*/langlinks (ll_from, ll_lang);
566 CREATE INDEX /*i*/ll_lang ON /*_*/langlinks (ll_lang, ll_title);
570 -- Contains a single row with some aggregate info
571 -- on the state of the site.
573 CREATE TABLE /*_*/site_stats (
574 -- The single row should contain 1 here.
575 ss_row_id int unsigned NOT NULL,
577 -- Total number of page views, if hit counters are enabled.
578 ss_total_views bigint unsigned default 0,
580 -- Total number of edits performed.
581 ss_total_edits bigint unsigned default 0,
583 -- An approximate count of pages matching the following criteria:
586 -- * contains the text '[['
587 -- See Article::isCountable() in includes/Article.php
588 ss_good_articles bigint unsigned default 0,
590 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
591 ss_total_pages bigint default '-1',
593 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
594 ss_users bigint default '-1',
596 -- Number of users that still edit
597 ss_active_users bigint default '-1',
599 -- Deprecated, no longer updated as of 1.5
600 ss_admins int default '-1',
602 -- Number of images, equivalent to SELECT COUNT(*) FROM image
603 ss_images int default 0
604 ) /*$wgDBTableOptions*/;
606 -- Pointless index to assuage developer superstitions
607 CREATE UNIQUE INDEX /*i*/ss_row_id ON /*_*/site_stats (ss_row_id);
611 -- Stores an ID for every time any article is visited;
612 -- depending on $wgHitcounterUpdateFreq, it is
613 -- periodically cleared and the page_counter column
614 -- in the page table updated for all the articles
615 -- that have been visited.)
617 CREATE TABLE /*_*/hitcounter (
618 hc_id int unsigned NOT NULL
619 ) ENGINE=HEAP MAX_ROWS=25000;
623 -- The internet is full of jerks, alas. Sometimes it's handy
624 -- to block a vandal or troll account.
626 CREATE TABLE /*_*/ipblocks (
627 -- Primary key, introduced for privacy.
628 ipb_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
630 -- Blocked IP address in dotted-quad form or user name.
631 ipb_address tinyblob NOT NULL,
633 -- Blocked user ID or 0 for IP blocks.
634 ipb_user int unsigned NOT NULL default 0,
636 -- User ID who made the block.
637 ipb_by int unsigned NOT NULL default 0,
639 -- User name of blocker
640 ipb_by_text varchar(255) binary NOT NULL default '',
642 -- Text comment made by blocker.
643 ipb_reason tinyblob NOT NULL,
645 -- Creation (or refresh) date in standard YMDHMS form.
646 -- IP blocks expire automatically.
647 ipb_timestamp binary(14) NOT NULL default '',
649 -- Indicates that the IP address was banned because a banned
650 -- user accessed a page through it. If this is 1, ipb_address
651 -- will be hidden, and the block identified by block ID number.
652 ipb_auto bool NOT NULL default 0,
654 -- If set to 1, block applies only to logged-out users
655 ipb_anon_only bool NOT NULL default 0,
657 -- Block prevents account creation from matching IP addresses
658 ipb_create_account bool NOT NULL default 1,
660 -- Block triggers autoblocks
661 ipb_enable_autoblock bool NOT NULL default '1',
663 -- Time at which the block will expire.
665 ipb_expiry varbinary(14) NOT NULL default '',
667 -- Start and end of an address range, in hexadecimal
668 -- Size chosen to allow IPv6
669 ipb_range_start tinyblob NOT NULL,
670 ipb_range_end tinyblob NOT NULL,
672 -- Flag for entries hidden from users and Sysops
673 ipb_deleted bool NOT NULL default 0,
675 -- Block prevents user from accessing Special:Emailuser
676 ipb_block_email bool NOT NULL default 0,
678 -- Block allows user to edit their own talk page
679 ipb_allow_usertalk bool NOT NULL default 0
681 ) /*$wgDBTableOptions*/;
683 -- Unique index to support "user already blocked" messages
684 -- Any new options which prevent collisions should be included
685 CREATE UNIQUE INDEX /*i*/ipb_address ON /*_*/ipblocks (ipb_address(255), ipb_user, ipb_auto, ipb_anon_only);
687 CREATE INDEX /*i*/ipb_user ON /*_*/ipblocks (ipb_user);
688 CREATE INDEX /*i*/ipb_range ON /*_*/ipblocks (ipb_range_start(8), ipb_range_end(8));
689 CREATE INDEX /*i*/ipb_timestamp ON /*_*/ipblocks (ipb_timestamp);
690 CREATE INDEX /*i*/ipb_expiry ON /*_*/ipblocks (ipb_expiry);
694 -- Uploaded images and other files.
696 CREATE TABLE /*_*/image (
698 -- This is also the title of the associated description page,
699 -- which will be in namespace 6 (NS_FILE).
700 img_name varchar(255) binary NOT NULL default '' PRIMARY KEY,
702 -- File size in bytes.
703 img_size int unsigned NOT NULL default 0,
705 -- For images, size in pixels.
706 img_width int NOT NULL default 0,
707 img_height int NOT NULL default 0,
709 -- Extracted EXIF metadata stored as a serialized PHP array.
710 img_metadata mediumblob NOT NULL,
712 -- For images, bits per pixel if known.
713 img_bits int NOT NULL default 0,
715 -- Media type as defined by the MEDIATYPE_xxx constants
716 img_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
718 -- major part of a MIME media type as defined by IANA
719 -- see http://www.iana.org/assignments/media-types/
720 img_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
722 -- minor part of a MIME media type as defined by IANA
723 -- the minor parts are not required to adher to any standard
724 -- but should be consistent throughout the database
725 -- see http://www.iana.org/assignments/media-types/
726 img_minor_mime varbinary(32) NOT NULL default "unknown",
728 -- Description field as entered by the uploader.
729 -- This is displayed in image upload history and logs.
730 img_description tinyblob NOT NULL,
732 -- user_id and user_name of uploader.
733 img_user int unsigned NOT NULL default 0,
734 img_user_text varchar(255) binary NOT NULL,
736 -- Time of the upload.
737 img_timestamp varbinary(14) NOT NULL default '',
739 -- SHA-1 content hash in base-36
740 img_sha1 varbinary(32) NOT NULL default ''
741 ) /*$wgDBTableOptions*/;
743 CREATE INDEX /*i*/img_usertext_timestamp ON /*_*/image (img_user_text,img_timestamp);
744 -- Used by Special:Imagelist for sort-by-size
745 CREATE INDEX /*i*/img_size ON /*_*/image (img_size);
746 -- Used by Special:Newimages and Special:Imagelist
747 CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp);
748 -- Used in API and duplicate search
749 CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1);
753 -- Previous revisions of uploaded files.
754 -- Awkwardly, image rows have to be moved into
755 -- this table at re-upload time.
757 CREATE TABLE /*_*/oldimage (
758 -- Base filename: key to image.img_name
759 oi_name varchar(255) binary NOT NULL default '',
761 -- Filename of the archived file.
762 -- This is generally a timestamp and '!' prepended to the base name.
763 oi_archive_name varchar(255) binary NOT NULL default '',
765 -- Other fields as in image...
766 oi_size int unsigned NOT NULL default 0,
767 oi_width int NOT NULL default 0,
768 oi_height int NOT NULL default 0,
769 oi_bits int NOT NULL default 0,
770 oi_description tinyblob NOT NULL,
771 oi_user int unsigned NOT NULL default 0,
772 oi_user_text varchar(255) binary NOT NULL,
773 oi_timestamp binary(14) NOT NULL default '',
775 oi_metadata mediumblob NOT NULL,
776 oi_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
777 oi_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
778 oi_minor_mime varbinary(32) NOT NULL default "unknown",
779 oi_deleted tinyint unsigned NOT NULL default 0,
780 oi_sha1 varbinary(32) NOT NULL default ''
781 ) /*$wgDBTableOptions*/;
783 CREATE INDEX /*i*/oi_usertext_timestamp ON /*_*/oldimage (oi_user_text,oi_timestamp);
784 CREATE INDEX /*i*/oi_name_timestamp ON /*_*/oldimage (oi_name,oi_timestamp);
785 -- oi_archive_name truncated to 14 to avoid key length overflow
786 CREATE INDEX /*i*/oi_name_archive_name ON /*_*/oldimage (oi_name,oi_archive_name(14));
787 CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1);
791 -- Record of deleted file data
793 CREATE TABLE /*_*/filearchive (
795 fa_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
797 -- Original base filename; key to image.img_name, page.page_title, etc
798 fa_name varchar(255) binary NOT NULL default '',
800 -- Filename of archived file, if an old revision
801 fa_archive_name varchar(255) binary default '',
803 -- Which storage bin (directory tree or object store) the file data
804 -- is stored in. Should be 'deleted' for files that have been deleted;
805 -- any other bin is not yet in use.
806 fa_storage_group varbinary(16),
808 -- SHA-1 of the file contents plus extension, used as a key for storage.
809 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
811 -- If NULL, the file was missing at deletion time or has been purged
812 -- from the archival storage.
813 fa_storage_key varbinary(64) default '',
815 -- Deletion information, if this file is deleted.
817 fa_deleted_timestamp binary(14) default '',
818 fa_deleted_reason text,
820 -- Duped fields from image
821 fa_size int unsigned default 0,
822 fa_width int default 0,
823 fa_height int default 0,
824 fa_metadata mediumblob,
825 fa_bits int default 0,
826 fa_media_type ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
827 fa_major_mime ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
828 fa_minor_mime varbinary(32) default "unknown",
829 fa_description tinyblob,
830 fa_user int unsigned default 0,
831 fa_user_text varchar(255) binary,
832 fa_timestamp binary(14) default '',
834 -- Visibility of deleted revisions, bitfield
835 fa_deleted tinyint unsigned NOT NULL default 0
836 ) /*$wgDBTableOptions*/;
838 -- pick out by image name
839 CREATE INDEX /*i*/fa_name ON /*_*/filearchive (fa_name, fa_timestamp);
840 -- pick out dupe files
841 CREATE INDEX /*i*/fa_storage_group ON /*_*/filearchive (fa_storage_group, fa_storage_key);
842 -- sort by deletion time
843 CREATE INDEX /*i*/fa_deleted_timestamp ON /*_*/filearchive (fa_deleted_timestamp);
845 CREATE INDEX /*i*/fa_user_timestamp ON /*_*/filearchive (fa_user_text,fa_timestamp);
849 -- Primarily a summary table for Special:Recentchanges,
850 -- this table contains some additional info on edits from
851 -- the last few days, see Article::editUpdates()
853 CREATE TABLE /*_*/recentchanges (
854 rc_id int NOT NULL PRIMARY KEY AUTO_INCREMENT,
855 rc_timestamp varbinary(14) NOT NULL default '',
856 rc_cur_time varbinary(14) NOT NULL default '',
859 rc_user int unsigned NOT NULL default 0,
860 rc_user_text varchar(255) binary NOT NULL,
862 -- When pages are renamed, their RC entries do _not_ change.
863 rc_namespace int NOT NULL default 0,
864 rc_title varchar(255) binary NOT NULL default '',
867 rc_comment varchar(255) binary NOT NULL default '',
868 rc_minor tinyint unsigned NOT NULL default 0,
870 -- Edits by user accounts with the 'bot' rights key are
871 -- marked with a 1 here, and will be hidden from the
873 rc_bot tinyint unsigned NOT NULL default 0,
875 rc_new tinyint unsigned NOT NULL default 0,
877 -- Key to page_id (was cur_id prior to 1.5).
878 -- This will keep links working after moves while
879 -- retaining the at-the-time name in the changes list.
880 rc_cur_id int unsigned NOT NULL default 0,
882 -- rev_id of the given revision
883 rc_this_oldid int unsigned NOT NULL default 0,
885 -- rev_id of the prior revision, for generating diff links.
886 rc_last_oldid int unsigned NOT NULL default 0,
888 -- These may no longer be used, with the new move log.
889 rc_type tinyint unsigned NOT NULL default 0,
890 rc_moved_to_ns tinyint unsigned NOT NULL default 0,
891 rc_moved_to_title varchar(255) binary NOT NULL default '',
893 -- If the Recent Changes Patrol option is enabled,
894 -- users may mark edits as having been reviewed to
895 -- remove a warning flag on the RC list.
896 -- A value of 1 indicates the page has been reviewed.
897 rc_patrolled tinyint unsigned NOT NULL default 0,
899 -- Recorded IP address the edit was made from, if the
900 -- $wgPutIPinRC option is enabled.
901 rc_ip varbinary(40) NOT NULL default '',
903 -- Text length in characters before
904 -- and after the edit
908 -- Visibility of recent changes items, bitfield
909 rc_deleted tinyint unsigned NOT NULL default 0,
911 -- Value corresonding to log_id, specific log entries
912 rc_logid int unsigned NOT NULL default 0,
913 -- Store log type info here, or null
914 rc_log_type varbinary(255) NULL default NULL,
915 -- Store log action or null
916 rc_log_action varbinary(255) NULL default NULL,
919 ) /*$wgDBTableOptions*/;
921 CREATE INDEX /*i*/rc_timestamp ON /*_*/recentchanges (rc_timestamp);
922 CREATE INDEX /*i*/rc_namespace_title ON /*_*/recentchanges (rc_namespace, rc_title);
923 CREATE INDEX /*i*/rc_cur_id ON /*_*/recentchanges (rc_cur_id);
924 CREATE INDEX /*i*/new_name_timestamp ON /*_*/recentchanges (rc_new,rc_namespace,rc_timestamp);
925 CREATE INDEX /*i*/rc_ip ON /*_*/recentchanges (rc_ip);
926 CREATE INDEX /*i*/rc_ns_usertext ON /*_*/recentchanges (rc_namespace, rc_user_text);
927 CREATE INDEX /*i*/rc_user_text ON /*_*/recentchanges (rc_user_text, rc_timestamp);
930 CREATE TABLE /*_*/watchlist (
931 -- Key to user.user_id
932 wl_user int unsigned NOT NULL,
934 -- Key to page_namespace/page_title
935 -- Note that users may watch pages which do not exist yet,
936 -- or existed in the past but have been deleted.
937 wl_namespace int NOT NULL default 0,
938 wl_title varchar(255) binary NOT NULL default '',
940 -- Timestamp when user was last sent a notification e-mail;
941 -- cleared when the user visits the page.
942 wl_notificationtimestamp varbinary(14)
944 ) /*$wgDBTableOptions*/;
946 CREATE UNIQUE INDEX /*i*/wl_user ON /*_*/watchlist (wl_user, wl_namespace, wl_title);
947 CREATE INDEX /*i*/namespace_title ON /*_*/watchlist (wl_namespace, wl_title);
951 -- Used by the math module to keep track
952 -- of previously-rendered items.
954 CREATE TABLE /*_*/math (
955 -- Binary MD5 hash of the latex fragment, used as an identifier key.
956 math_inputhash varbinary(16) NOT NULL,
958 -- Not sure what this is, exactly...
959 math_outputhash varbinary(16) NOT NULL,
961 -- texvc reports how well it thinks the HTML conversion worked;
962 -- if it's a low level the PNG rendering may be preferred.
963 math_html_conservativeness tinyint NOT NULL,
965 -- HTML output from texvc, if any
968 -- MathML output from texvc, if any
970 ) /*$wgDBTableOptions*/;
972 CREATE UNIQUE INDEX /*i*/math_inputhash ON /*_*/math (math_inputhash);
976 -- When using the default MySQL search backend, page titles
977 -- and text are munged to strip markup, do Unicode case folding,
978 -- and prepare the result for MySQL's fulltext index.
980 -- This table must be MyISAM; InnoDB does not support the needed
983 CREATE TABLE /*_*/searchindex (
985 si_page int unsigned NOT NULL,
987 -- Munged version of title
988 si_title varchar(255) NOT NULL default '',
990 -- Munged version of body text
991 si_text mediumtext NOT NULL
994 CREATE UNIQUE INDEX /*i*/si_page ON /*_*/searchindex (si_page);
995 CREATE FULLTEXT INDEX /*i*/si_title ON /*_*/searchindex (si_title);
996 CREATE FULLTEXT INDEX /*i*/si_text ON /*_*/searchindex (si_text);
1000 -- Recognized interwiki link prefixes
1002 CREATE TABLE /*_*/interwiki (
1003 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1004 iw_prefix varchar(32) NOT NULL,
1006 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1007 -- Any spaces in the name will be transformed to underscores before
1009 iw_url blob NOT NULL,
1011 -- A boolean value indicating whether the wiki is in this project
1012 -- (used, for example, to detect redirect loops)
1013 iw_local bool NOT NULL,
1015 -- Boolean value indicating whether interwiki transclusions are allowed.
1016 iw_trans tinyint NOT NULL default 0
1017 ) /*$wgDBTableOptions*/;
1019 CREATE UNIQUE INDEX /*i*/iw_prefix ON /*_*/interwiki (iw_prefix);
1023 -- Used for caching expensive grouped queries
1025 CREATE TABLE /*_*/querycache (
1026 -- A key name, generally the base name of of the special page.
1027 qc_type varbinary(32) NOT NULL,
1029 -- Some sort of stored value. Sizes, counts...
1030 qc_value int unsigned NOT NULL default 0,
1032 -- Target namespace+title
1033 qc_namespace int NOT NULL default 0,
1034 qc_title varchar(255) binary NOT NULL default ''
1035 ) /*$wgDBTableOptions*/;
1037 CREATE INDEX /*i*/qc_type ON /*_*/querycache (qc_type,qc_value);
1041 -- For a few generic cache operations if not using Memcached
1043 CREATE TABLE /*_*/objectcache (
1044 keyname varbinary(255) NOT NULL default '' PRIMARY KEY,
1047 ) /*$wgDBTableOptions*/;
1048 CREATE INDEX /*i*/exptime ON /*_*/objectcache (exptime);
1052 -- Cache of interwiki transclusion
1054 CREATE TABLE /*_*/transcache (
1055 tc_url varbinary(255) NOT NULL,
1057 tc_time int NOT NULL
1058 ) /*$wgDBTableOptions*/;
1060 CREATE UNIQUE INDEX /*i*/tc_url_idx ON /*_*/transcache (tc_url);
1063 CREATE TABLE /*_*/logging (
1064 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1065 log_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
1067 -- Symbolic keys for the general log type and the action type
1068 -- within the log. The output format will be controlled by the
1069 -- action field, but only the type controls categorization.
1070 log_type varbinary(10) NOT NULL default '',
1071 log_action varbinary(10) NOT NULL default '',
1074 log_timestamp binary(14) NOT NULL default '19700101000000',
1076 -- The user who performed this action; key to user_id
1077 log_user int unsigned NOT NULL default 0,
1079 -- Key to the page affected. Where a user is the target,
1080 -- this will point to the user page.
1081 log_namespace int NOT NULL default 0,
1082 log_title varchar(255) binary NOT NULL default '',
1084 -- Freeform text. Interpreted as edit history comments.
1085 log_comment varchar(255) NOT NULL default '',
1087 -- LF separated list of miscellaneous parameters
1088 log_params blob NOT NULL,
1090 -- rev_deleted for logs
1091 log_deleted tinyint unsigned NOT NULL default 0
1092 ) /*$wgDBTableOptions*/;
1094 CREATE INDEX /*i*/type_time ON /*_*/logging (log_type, log_timestamp);
1095 CREATE INDEX /*i*/user_time ON /*_*/logging (log_user, log_timestamp);
1096 CREATE INDEX /*i*/page_time ON /*_*/logging (log_namespace, log_title, log_timestamp);
1097 CREATE INDEX /*i*/times ON /*_*/logging (log_timestamp);
1100 CREATE TABLE /*_*/trackbacks (
1101 tb_id int PRIMARY KEY AUTO_INCREMENT,
1102 tb_page int REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
1103 tb_title varchar(255) NOT NULL,
1104 tb_url blob NOT NULL,
1106 tb_name varchar(255)
1107 ) /*$wgDBTableOptions*/;
1108 CREATE INDEX /*i*/tb_page ON /*_*/trackbacks (tb_page);
1111 -- Jobs performed by parallel apache threads or a command-line daemon
1112 CREATE TABLE /*_*/job (
1113 job_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
1116 -- Limited to 60 to prevent key length overflow
1117 job_cmd varbinary(60) NOT NULL default '',
1119 -- Namespace and title to act on
1120 -- Should be 0 and '' if the command does not operate on a title
1121 job_namespace int NOT NULL,
1122 job_title varchar(255) binary NOT NULL,
1124 -- Any other parameters to the command
1125 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1126 job_params blob NOT NULL
1127 ) /*$wgDBTableOptions*/;
1129 CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title);
1132 -- Details of updates to cached special pages
1133 CREATE TABLE /*_*/querycache_info (
1134 -- Special page name
1135 -- Corresponds to a qc_type value
1136 qci_type varbinary(32) NOT NULL default '',
1138 -- Timestamp of last update
1139 qci_timestamp binary(14) NOT NULL default '19700101000000'
1140 ) /*$wgDBTableOptions*/;
1142 CREATE UNIQUE INDEX /*i*/qci_type ON /*_*/querycache_info (qci_type);
1145 -- For each redirect, this table contains exactly one row defining its target
1146 CREATE TABLE /*_*/redirect (
1147 -- Key to the page_id of the redirect page
1148 rd_from int unsigned NOT NULL default 0 PRIMARY KEY,
1150 -- Key to page_namespace/page_title of the target page.
1151 -- The target page may or may not exist, and due to renames
1152 -- and deletions may refer to different page records as time
1154 rd_namespace int NOT NULL default 0,
1155 rd_title varchar(255) binary NOT NULL default ''
1156 ) /*$wgDBTableOptions*/;
1158 CREATE INDEX /*i*/rd_ns_title ON /*_*/redirect (rd_namespace,rd_title,rd_from);
1161 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1162 CREATE TABLE /*_*/querycachetwo (
1163 -- A key name, generally the base name of of the special page.
1164 qcc_type varbinary(32) NOT NULL,
1166 -- Some sort of stored value. Sizes, counts...
1167 qcc_value int unsigned NOT NULL default 0,
1169 -- Target namespace+title
1170 qcc_namespace int NOT NULL default 0,
1171 qcc_title varchar(255) binary NOT NULL default '',
1173 -- Target namespace+title2
1174 qcc_namespacetwo int NOT NULL default 0,
1175 qcc_titletwo varchar(255) binary NOT NULL default ''
1176 ) /*$wgDBTableOptions*/;
1178 CREATE INDEX /*i*/qcc_type ON /*_*/querycachetwo (qcc_type,qcc_value);
1179 CREATE INDEX /*i*/qcc_title ON /*_*/querycachetwo (qcc_type,qcc_namespace,qcc_title);
1180 CREATE INDEX /*i*/qcc_titletwo ON /*_*/querycachetwo (qcc_type,qcc_namespacetwo,qcc_titletwo);
1183 -- Used for storing page restrictions (i.e. protection levels)
1184 CREATE TABLE /*_*/page_restrictions (
1185 -- Page to apply restrictions to (Foreign Key to page).
1186 pr_page int NOT NULL,
1187 -- The protection type (edit, move, etc)
1188 pr_type varbinary(60) NOT NULL,
1189 -- The protection level (Sysop, autoconfirmed, etc)
1190 pr_level varbinary(60) NOT NULL,
1191 -- Whether or not to cascade the protection down to pages transcluded.
1192 pr_cascade tinyint NOT NULL,
1193 -- Field for future support of per-user restriction.
1195 -- Field for time-limited protection.
1196 pr_expiry varbinary(14) NULL,
1197 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1198 pr_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT
1199 ) /*$wgDBTableOptions*/;
1201 CREATE UNIQUE INDEX /*i*/pr_pagetype ON /*_*/page_restrictions (pr_page,pr_type);
1202 CREATE INDEX /*i*/pr_typelevel ON /*_*/page_restrictions (pr_type,pr_level);
1203 CREATE INDEX /*i*/pr_level ON /*_*/page_restrictions (pr_level);
1204 CREATE INDEX /*i*/pr_cascade ON /*_*/page_restrictions (pr_cascade);
1207 -- Protected titles - nonexistent pages that have been protected
1208 CREATE TABLE /*_*/protected_titles (
1209 pt_namespace int NOT NULL,
1210 pt_title varchar(255) binary NOT NULL,
1211 pt_user int unsigned NOT NULL,
1213 pt_timestamp binary(14) NOT NULL,
1214 pt_expiry varbinary(14) NOT NULL default '',
1215 pt_create_perm varbinary(60) NOT NULL
1216 ) /*$wgDBTableOptions*/;
1218 CREATE UNIQUE INDEX /*i*/pt_namespace_title ON /*_*/protected_titles (pt_namespace,pt_title);
1219 CREATE INDEX /*i*/pt_timestamp ON /*_*/protected_titles (pt_timestamp);
1222 -- Name/value pairs indexed by page_id
1223 CREATE TABLE /*_*/page_props (
1224 pp_page int NOT NULL,
1225 pp_propname varbinary(60) NOT NULL,
1226 pp_value blob NOT NULL
1227 ) /*$wgDBTableOptions*/;
1229 CREATE UNIQUE INDEX /*i*/pp_page_propname ON /*_*/page_props (pp_page,pp_propname);
1232 -- A table to log updates, one text key row per update.
1233 CREATE TABLE /*_*/updatelog (
1234 ul_key varchar(255) NOT NULL PRIMARY KEY
1235 ) /*$wgDBTableOptions*/;
1238 -- A table to track tags for revisions, logs and recent changes.
1239 CREATE TABLE /*_*/change_tag (
1243 ct_tag varchar(255) NOT NULL,
1245 ) /*$wgDBTableOptions*/;
1247 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag ON /*_*/change_tag (ct_rc_id,ct_tag);
1248 CREATE UNIQUE INDEX /*i*/change_tag_log_tag ON /*_*/change_tag (ct_log_id,ct_tag);
1249 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag ON /*_*/change_tag (ct_rev_id,ct_tag);
1250 -- Covering index, so we can pull all the info only out of the index.
1251 CREATE INDEX /*i*/change_tag_tag_id ON /*_*/change_tag (ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
1254 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT that only works on MySQL 4.1+
1255 CREATE TABLE /*_*/tag_summary (
1259 ts_tags blob NOT NULL
1260 ) /*$wgDBTableOptions*/;
1262 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id ON /*_*/tag_summary (ts_rc_id);
1263 CREATE UNIQUE INDEX /*i*/tag_summary_log_id ON /*_*/tag_summary (ts_log_id);
1264 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id ON /*_*/tag_summary (ts_rev_id);
1267 CREATE TABLE /*_*/valid_tag (
1268 vt_tag varchar(255) NOT NULL PRIMARY KEY
1269 ) /*$wgDBTableOptions*/;
1272 -- vim: sw=2 sts=2 et