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.
8 -- If possible, create tables as InnoDB to benefit from the
9 -- superior resiliency against crashes and ability to read
10 -- during writes (and write during reads!)
12 -- Only the 'searchindex' table requires MyISAM due to the
13 -- requirement for fulltext index support, which is missing
17 -- The MySQL table backend for MediaWiki currently uses
18 -- 14-character BINARY or VARBINARY fields to store timestamps.
19 -- The format is YYYYMMDDHHMMSS, which is derived from the
20 -- text format of MySQL's TIMESTAMP fields.
22 -- Historically TIMESTAMP fields were used, but abandoned
23 -- in early 2002 after a lot of trouble with the fields
26 -- The Postgres backend uses DATETIME fields for timestamps,
27 -- and we will migrate the MySQL definitions at some point as
31 -- The /*$wgDBprefix*/ comments in this and other files are
32 -- replaced with the defined table prefix by the installer
33 -- and updater scripts. If you are installing or running
34 -- updates manually, you will need to manually insert the
35 -- table prefix if any when running these scripts.
40 -- The user table contains basic account information,
41 -- authentication keys, etc.
43 -- Some multi-wiki sites may share a single central user table
44 -- between separate wikis using the $wgSharedDB setting.
46 -- Note that when a external authentication plugin is used,
47 -- user table entries still need to be created to store
48 -- preferences and to key tracking information in the other
51 CREATE TABLE /*$wgDBprefix*/user (
52 user_id
int unsigned
NOT NULL auto_increment
,
54 -- Usernames must be unique, must not be in the form of
55 -- an IP address. _Shouldn't_ allow slashes or case
56 -- conflicts. Spaces are allowed, and are _not_ converted
57 -- to underscores like titles. See the User::newFromName() for
58 -- the specific tests that usernames have to pass.
59 user_name
varchar(255) binary NOT NULL default '',
61 -- Optional 'real name' to be displayed in credit listings
62 user_real_name
varchar(255) binary NOT NULL default '',
64 -- Password hashes, normally hashed like so:
65 -- MD5(CONCAT(user_id,'-',MD5(plaintext_password))), see
66 -- wfEncryptPassword() in GlobalFunctions.php
67 user_password tinyblob
NOT NULL,
69 -- When using 'mail me a new password', a random
70 -- password is generated and the hash stored here.
71 -- The previous password is left in place until
72 -- someone actually logs in with the new password,
73 -- at which point the hash is moved to user_password
74 -- and the old password is invalidated.
75 user_newpassword tinyblob
NOT NULL,
77 -- Timestamp of the last time when a new password was
78 -- sent, for throttling purposes
79 user_newpass_time
binary(14),
81 -- Note: email should be restricted, not public info.
82 -- Same with passwords.
83 user_email tinytext
NOT NULL,
85 -- Newline-separated list of name=value defining the user
87 user_options
blob NOT NULL,
89 -- This is a timestamp which is updated when a user
90 -- logs in, logs out, changes preferences, or performs
91 -- some other action requiring HTML cache invalidation
92 -- to ensure that the UI is updated.
93 user_touched
binary(14) NOT NULL default '',
95 -- A pseudorandomly generated value that is stored in
96 -- a cookie when the "remember password" feature is
97 -- used (previously, a hash of the password was used, but
98 -- this was vulnerable to cookie-stealing attacks)
99 user_token
binary(32) NOT NULL default '',
101 -- Initially NULL; when a user's e-mail address has been
102 -- validated by returning with a mailed token, this is
103 -- set to the current timestamp.
104 user_email_authenticated
binary(14),
106 -- Randomly generated token created when the e-mail address
107 -- is set and a confirmation test mail sent.
108 user_email_token
binary(32),
110 -- Expiration date for the user_email_token
111 user_email_token_expires
binary(14),
113 -- Timestamp of account registration.
114 -- Accounts predating this schema addition may contain NULL.
115 user_registration
binary(14),
117 -- Count of edits and edit-like actions.
119 -- *NOT* intended to be an accurate copy of COUNT(*) WHERE rev_user=user_id
120 -- May contain NULL for old accounts if batch-update scripts haven't been
121 -- run, as well as listing deleted edits and other myriad ways it could be
124 -- Meant primarily for heuristic checks to give an impression of whether
125 -- the account has been used much.
129 PRIMARY KEY user_id (user_id
),
130 UNIQUE INDEX user_name (user_name
),
131 INDEX (user_email_token
)
133 ) /*$wgDBTableOptions*/;
136 -- User permissions have been broken out to a separate table;
137 -- this allows sites with a shared user table to have different
138 -- permissions assigned to a user in each project.
140 -- This table replaces the old user_rights field which used a
141 -- comma-separated blob.
143 CREATE TABLE /*$wgDBprefix*/user_groups (
145 ug_user
int unsigned
NOT NULL default '0',
147 -- Group names are short symbolic string keys.
148 -- The set of group names is open-ended, though in practice
149 -- only some predefined ones are likely to be used.
151 -- At runtime $wgGroupPermissions will associate group keys
152 -- with particular permissions. A user will have the combined
153 -- permissions of any group they're explicitly in, plus
154 -- the implicit '*' and 'user' groups.
155 ug_group
varbinary(16) NOT NULL default '',
157 PRIMARY KEY (ug_user
,ug_group
),
159 ) /*$wgDBTableOptions*/;
161 -- Stores notifications of user talk page changes, for the display
162 -- of the "you have new messages" box
163 CREATE TABLE /*$wgDBprefix*/user_newtalk (
164 -- Key to user.user_id
165 user_id
int NOT NULL default '0',
166 -- If the user is an anonymous user their IP address is stored here
167 -- since the user_id of 0 is ambiguous
168 user_ip
varbinary(40) NOT NULL default '',
169 INDEX user_id (user_id
),
170 INDEX user_ip (user_ip
)
172 ) /*$wgDBTableOptions*/;
176 -- Core of the wiki: each page has an entry here which identifies
177 -- it by title and contains some essential metadata.
179 CREATE TABLE /*$wgDBprefix*/page (
180 -- Unique identifier number. The page_id will be preserved across
181 -- edits and rename operations, but not deletions and recreations.
182 page_id
int unsigned
NOT NULL auto_increment
,
184 -- A page name is broken into a namespace and a title.
185 -- The namespace keys are UI-language-independent constants,
186 -- defined in includes/Defines.php
187 page_namespace
int NOT NULL,
189 -- The rest of the title, as text.
190 -- Spaces are transformed into underscores in title storage.
191 page_title
varchar(255) binary NOT NULL,
193 -- Comma-separated set of permission keys indicating who
194 -- can move or edit the page.
195 page_restrictions tinyblob
NOT NULL,
197 -- Number of times this page has been viewed.
198 page_counter
bigint unsigned
NOT NULL default '0',
200 -- 1 indicates the article is a redirect.
201 page_is_redirect tinyint unsigned
NOT NULL default '0',
203 -- 1 indicates this is a new entry, with only one edit.
204 -- Not all pages with one edit are new pages.
205 page_is_new tinyint unsigned
NOT NULL default '0',
207 -- Random value between 0 and 1, used for Special:Randompage
208 page_random
real unsigned
NOT NULL,
210 -- This timestamp is updated whenever the page changes in
211 -- a way requiring it to be re-rendered, invalidating caches.
212 -- Aside from editing this includes permission changes,
213 -- creation or deletion of linked pages, and alteration
214 -- of contained templates.
215 page_touched
binary(14) NOT NULL default '',
217 -- Handy key to revision.rev_id of the current revision.
218 -- This may be 0 during page creation, but that shouldn't
219 -- happen outside of a transaction... hopefully.
220 page_latest
int unsigned
NOT NULL,
222 -- Uncompressed length in bytes of the page's current source text.
223 page_len
int unsigned
NOT NULL,
225 PRIMARY KEY page_id (page_id
),
226 UNIQUE INDEX name_title (page_namespace
,page_title
),
228 -- Special-purpose indexes
232 ) /*$wgDBTableOptions*/;
235 -- Every edit of a page creates also a revision row.
236 -- This stores metadata about the revision, and a reference
237 -- to the text storage backend.
239 CREATE TABLE /*$wgDBprefix*/revision (
240 rev_id
int unsigned
NOT NULL auto_increment
,
242 -- Key to page_id. This should _never_ be invalid.
243 rev_page
int unsigned
NOT NULL,
245 -- Key to text.old_id, where the actual bulk text is stored.
246 -- It's possible for multiple revisions to use the same text,
247 -- for instance revisions where only metadata is altered
248 -- or a rollback to a previous version.
249 rev_text_id
int unsigned
NOT NULL,
251 -- Text comment summarizing the change.
252 -- This text is shown in the history and other changes lists,
253 -- rendered in a subset of wiki markup by Linker::formatComment()
254 rev_comment tinyblob
NOT NULL,
256 -- Key to user.user_id of the user who made this edit.
257 -- Stores 0 for anonymous edits and for some mass imports.
258 rev_user
int unsigned
NOT NULL default '0',
260 -- Text username or IP address of the editor.
261 rev_user_text
varchar(255) binary NOT NULL default '',
264 rev_timestamp
binary(14) NOT NULL default '',
266 -- Records whether the user marked the 'minor edit' checkbox.
267 -- Many automated edits are marked as minor.
268 rev_minor_edit tinyint unsigned
NOT NULL default '0',
270 -- Not yet used; reserved for future changes to the deletion system.
271 rev_deleted tinyint unsigned
NOT NULL default '0',
273 -- Length of this revision in bytes
274 rev_len
int unsigned
,
276 -- Key to revision.rev_id
277 -- This field is used to add support for a tree structure (The Adjacency List Model)
278 rev_parent_id
int unsigned
default NULL,
280 PRIMARY KEY rev_page_id (rev_page
, rev_id
),
281 UNIQUE INDEX rev_id (rev_id
),
282 INDEX rev_timestamp (rev_timestamp
),
283 INDEX page_timestamp (rev_page
,rev_timestamp
),
284 INDEX user_timestamp (rev_user
,rev_timestamp
),
285 INDEX usertext_timestamp (rev_user_text
,rev_timestamp
)
287 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
288 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
291 -- Holds text of individual page revisions.
293 -- Field names are a holdover from the 'old' revisions table in
294 -- MediaWiki 1.4 and earlier: an upgrade will transform that
295 -- table into the 'text' table to minimize unnecessary churning
296 -- and downtime. If upgrading, the other fields will be left unused.
298 CREATE TABLE /*$wgDBprefix*/text (
299 -- Unique text storage key number.
300 -- Note that the 'oldid' parameter used in URLs does *not*
301 -- refer to this number anymore, but to rev_id.
303 -- revision.rev_text_id is a key to this column
304 old_id
int unsigned
NOT NULL auto_increment
,
306 -- Depending on the contents of the old_flags field, the text
307 -- may be convenient plain text, or it may be funkily encoded.
308 old_text mediumblob
NOT NULL,
310 -- Comma-separated list of flags:
311 -- gzip: text is compressed with PHP's gzdeflate() function.
312 -- utf8: text was stored as UTF-8.
313 -- If $wgLegacyEncoding option is on, rows *without* this flag
314 -- will be converted to UTF-8 transparently at load time.
315 -- object: text field contained a serialized PHP object.
316 -- The object either contains multiple versions compressed
317 -- together to achieve a better compression ratio, or it refers
318 -- to another row where the text can be found.
319 old_flags tinyblob
NOT NULL,
321 PRIMARY KEY old_id (old_id
)
323 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
324 -- 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 /*$wgDBprefix*/archive (
333 ar_namespace
int NOT NULL default '0',
334 ar_title
varchar(255) binary NOT NULL default '',
336 -- Newly deleted pages will not store text in this table,
337 -- but will reference the separately existing text rows.
338 -- This field is retained for backwards compatibility,
339 -- so old archived pages will remain accessible after
340 -- upgrading from 1.4 to 1.5.
341 -- Text may be gzipped or otherwise funky.
342 ar_text mediumblob
NOT NULL,
344 -- Basic revision stuff...
345 ar_comment tinyblob
NOT NULL,
346 ar_user
int unsigned
NOT NULL default '0',
347 ar_user_text
varchar(255) binary NOT NULL,
348 ar_timestamp
binary(14) NOT NULL default '',
349 ar_minor_edit tinyint
NOT NULL default '0',
352 ar_flags tinyblob
NOT NULL,
354 -- When revisions are deleted, their unique rev_id is stored
355 -- here so it can be retained after undeletion. This is necessary
356 -- to retain permalinks to given revisions after accidental delete
357 -- cycles or messy operations like history merges.
359 -- Old entries from 1.4 will be NULL here, and a new rev_id will
360 -- be created on undeletion for those revisions.
361 ar_rev_id
int unsigned
,
363 -- For newly deleted revisions, this is the text.old_id key to the
364 -- actual stored text. To avoid breaking the block-compression scheme
365 -- and otherwise making storage changes harder, the actual text is
366 -- *not* deleted from the text table, merely hidden by removal of the
367 -- page and revision entries.
369 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
370 -- ar_text and ar_flags fields will be used to create a new text
371 -- row upon undeletion.
372 ar_text_id
int unsigned
,
374 -- rev_deleted for archives
375 ar_deleted tinyint unsigned
NOT NULL default '0',
377 -- Length of this revision in bytes
380 KEY name_title_timestamp (ar_namespace
,ar_title
,ar_timestamp
)
382 ) /*$wgDBTableOptions*/;
386 -- Track page-to-page hyperlinks within the wiki.
388 CREATE TABLE /*$wgDBprefix*/pagelinks (
389 -- Key to the page_id of the page containing the link.
390 pl_from
int unsigned
NOT NULL default '0',
392 -- Key to page_namespace/page_title of the target page.
393 -- The target page may or may not exist, and due to renames
394 -- and deletions may refer to different page records as time
396 pl_namespace
int NOT NULL default '0',
397 pl_title
varchar(255) binary NOT NULL default '',
399 UNIQUE KEY pl_from (pl_from
,pl_namespace
,pl_title
),
400 KEY (pl_namespace
,pl_title
,pl_from
)
402 ) /*$wgDBTableOptions*/;
406 -- Track template inclusions.
408 CREATE TABLE /*$wgDBprefix*/templatelinks (
409 -- Key to the page_id of the page containing the link.
410 tl_from
int unsigned
NOT NULL default '0',
412 -- Key to page_namespace/page_title of the target page.
413 -- The target page may or may not exist, and due to renames
414 -- and deletions may refer to different page records as time
416 tl_namespace
int NOT NULL default '0',
417 tl_title
varchar(255) binary NOT NULL default '',
419 UNIQUE KEY tl_from (tl_from
,tl_namespace
,tl_title
),
420 KEY (tl_namespace
,tl_title
,tl_from
)
422 ) /*$wgDBTableOptions*/;
425 -- Track links to images *used inline*
426 -- We don't distinguish live from broken links here, so
427 -- they do not need to be changed on upload/removal.
429 CREATE TABLE /*$wgDBprefix*/imagelinks (
430 -- Key to page_id of the page containing the image / media link.
431 il_from
int unsigned
NOT NULL default '0',
433 -- Filename of target image.
434 -- This is also the page_title of the file's description page;
435 -- all such pages are in namespace 6 (NS_IMAGE).
436 il_to
varchar(255) binary NOT NULL default '',
438 UNIQUE KEY il_from (il_from
,il_to
),
441 ) /*$wgDBTableOptions*/;
444 -- Track category inclusions *used inline*
445 -- This tracks a single level of category membership
446 -- (folksonomic tagging, really).
448 CREATE TABLE /*$wgDBprefix*/categorylinks (
449 -- Key to page_id of the page defined as a category member.
450 cl_from
int unsigned
NOT NULL default '0',
452 -- Name of the category.
453 -- This is also the page_title of the category's description page;
454 -- all such pages are in namespace 14 (NS_CATEGORY).
455 cl_to
varchar(255) binary NOT NULL default '',
457 -- The title of the linking page, or an optional override
458 -- to determine sort order. Sorting is by binary order, which
459 -- isn't always ideal, but collations seem to be an exciting
460 -- and dangerous new world in MySQL... The sortkey is updated
461 -- if no override exists and cl_from is renamed.
463 -- Truncate so that the cl_sortkey key fits in 1000 bytes
464 -- (MyISAM 5 with server_character_set=utf8)
465 cl_sortkey
varchar(70) binary NOT NULL default '',
467 -- This isn't really used at present. Provided for an optional
468 -- sorting method by approximate addition time.
469 cl_timestamp
timestamp NOT NULL,
471 UNIQUE KEY cl_from (cl_from
,cl_to
),
473 -- We always sort within a given category...
474 KEY cl_sortkey (cl_to
,cl_sortkey
,cl_from
),
477 KEY cl_timestamp (cl_to
,cl_timestamp
)
479 ) /*$wgDBTableOptions*/;
482 -- Track links to external URLs
484 CREATE TABLE /*$wgDBprefix*/externallinks (
485 -- page_id of the referring page
486 el_from
int unsigned
NOT NULL default '0',
491 -- In the case of HTTP URLs, this is the URL with any username or password
492 -- removed, and with the labels in the hostname reversed and converted to
493 -- lower case. An extra dot is added to allow for matching of either
494 -- example.com or *.example.com in a single scan.
496 -- http://user:password@sub.example.com/page.html
498 -- http://com.example.sub./page.html
499 -- which allows for fast searching for all pages under example.com with the
501 -- WHERE el_index LIKE 'http://com.example.%'
502 el_index
blob NOT NULL,
504 KEY (el_from
, el_to(40)),
505 KEY (el_to(60), el_from
),
507 ) /*$wgDBTableOptions*/;
510 -- Track interlanguage links
512 CREATE TABLE /*$wgDBprefix*/langlinks (
513 -- page_id of the referring page
514 ll_from
int unsigned
NOT NULL default '0',
516 -- Language code of the target
517 ll_lang
varbinary(20) NOT NULL default '',
519 -- Title of the target, including namespace
520 ll_title
varchar(255) binary NOT NULL default '',
522 UNIQUE KEY (ll_from
, ll_lang
),
523 KEY (ll_lang
, ll_title
)
524 ) /*$wgDBTableOptions*/;
527 -- Contains a single row with some aggregate info
528 -- on the state of the site.
530 CREATE TABLE /*$wgDBprefix*/site_stats (
531 -- The single row should contain 1 here.
532 ss_row_id
int unsigned
NOT NULL,
534 -- Total number of page views, if hit counters are enabled.
535 ss_total_views
bigint unsigned
default '0',
537 -- Total number of edits performed.
538 ss_total_edits
bigint unsigned
default '0',
540 -- An approximate count of pages matching the following criteria:
543 -- * contains the text '[['
544 -- See Article::isCountable() in includes/Article.php
545 ss_good_articles
bigint unsigned
default '0',
547 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
548 ss_total_pages
bigint default '-1',
550 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
551 ss_users
bigint default '-1',
553 -- Deprecated, no longer updated as of 1.5
554 ss_admins
int default '-1',
556 -- Number of images, equivalent to SELECT COUNT(*) FROM image
557 ss_images
int default '0',
559 UNIQUE KEY ss_row_id (ss_row_id
)
561 ) /*$wgDBTableOptions*/;
564 -- Stores an ID for every time any article is visited;
565 -- depending on $wgHitcounterUpdateFreq, it is
566 -- periodically cleared and the page_counter column
567 -- in the page table updated for the all articles
568 -- that have been visited.)
570 CREATE TABLE /*$wgDBprefix*/hitcounter (
571 hc_id
int unsigned
NOT NULL
572 ) TYPE=HEAP MAX_ROWS
=25000;
576 -- The internet is full of jerks, alas. Sometimes it's handy
577 -- to block a vandal or troll account.
579 CREATE TABLE /*$wgDBprefix*/ipblocks (
580 -- Primary key, introduced for privacy.
581 ipb_id
int NOT NULL auto_increment
,
583 -- Blocked IP address in dotted-quad form or user name.
584 ipb_address tinyblob
NOT NULL,
586 -- Blocked user ID or 0 for IP blocks.
587 ipb_user
int unsigned
NOT NULL default '0',
589 -- User ID who made the block.
590 ipb_by
int unsigned
NOT NULL default '0',
592 -- Text comment made by blocker.
593 ipb_reason tinyblob
NOT NULL,
595 -- Creation (or refresh) date in standard YMDHMS form.
596 -- IP blocks expire automatically.
597 ipb_timestamp
binary(14) NOT NULL default '',
599 -- Indicates that the IP address was banned because a banned
600 -- user accessed a page through it. If this is 1, ipb_address
601 -- will be hidden, and the block identified by block ID number.
602 ipb_auto bool
NOT NULL default 0,
604 -- If set to 1, block applies only to logged-out users
605 ipb_anon_only bool
NOT NULL default 0,
607 -- Block prevents account creation from matching IP addresses
608 ipb_create_account bool
NOT NULL default 1,
610 -- Block triggers autoblocks
611 ipb_enable_autoblock bool
NOT NULL default '1',
613 -- Time at which the block will expire.
615 ipb_expiry
varbinary(14) NOT NULL default '',
617 -- Start and end of an address range, in hexadecimal
618 -- Size chosen to allow IPv6
619 ipb_range_start tinyblob
NOT NULL,
620 ipb_range_end tinyblob
NOT NULL,
622 -- Flag for entries hidden from users and Sysops
623 ipb_deleted bool
NOT NULL default 0,
625 -- Block prevents user from accessing Special:Emailuser
626 ipb_block_email bool
NOT NULL default 0,
628 PRIMARY KEY ipb_id (ipb_id
),
630 -- Unique index to support "user already blocked" messages
631 -- Any new options which prevent collisions should be included
632 UNIQUE INDEX ipb_address (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
),
634 INDEX ipb_user (ipb_user
),
635 INDEX ipb_range (ipb_range_start(8), ipb_range_end(8)),
636 INDEX ipb_timestamp (ipb_timestamp
),
637 INDEX ipb_expiry (ipb_expiry
)
639 ) /*$wgDBTableOptions*/;
643 -- Uploaded images and other files.
645 CREATE TABLE /*$wgDBprefix*/image (
647 -- This is also the title of the associated description page,
648 -- which will be in namespace 6 (NS_IMAGE).
649 img_name
varchar(255) binary NOT NULL default '',
651 -- File size in bytes.
652 img_size
int unsigned
NOT NULL default '0',
654 -- For images, size in pixels.
655 img_width
int NOT NULL default '0',
656 img_height
int NOT NULL default '0',
658 -- Extracted EXIF metadata stored as a serialized PHP array.
659 img_metadata mediumblob
NOT NULL,
661 -- For images, bits per pixel if known.
662 img_bits
int NOT NULL default '0',
664 -- Media type as defined by the MEDIATYPE_xxx constants
665 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
667 -- major part of a MIME media type as defined by IANA
668 -- see http://www.iana.org/assignments/media-types/
669 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
671 -- minor part of a MIME media type as defined by IANA
672 -- the minor parts are not required to adher to any standard
673 -- but should be consistent throughout the database
674 -- see http://www.iana.org/assignments/media-types/
675 img_minor_mime
varbinary(32) NOT NULL default "unknown",
677 -- Description field as entered by the uploader.
678 -- This is displayed in image upload history and logs.
679 img_description tinyblob
NOT NULL,
681 -- user_id and user_name of uploader.
682 img_user
int unsigned
NOT NULL default '0',
683 img_user_text
varchar(255) binary NOT NULL,
685 -- Time of the upload.
686 img_timestamp
varbinary(14) NOT NULL default '',
688 PRIMARY KEY img_name (img_name
),
690 -- Used by Special:Imagelist for sort-by-size
691 INDEX img_size (img_size
),
693 -- Used by Special:Newimages and Special:Imagelist
694 INDEX img_timestamp (img_timestamp
)
696 ) /*$wgDBTableOptions*/;
699 -- Previous revisions of uploaded files.
700 -- Awkwardly, image rows have to be moved into
701 -- this table at re-upload time.
703 CREATE TABLE /*$wgDBprefix*/oldimage (
704 -- Base filename: key to image.img_name
705 oi_name
varchar(255) binary NOT NULL default '',
707 -- Filename of the archived file.
708 -- This is generally a timestamp and '!' prepended to the base name.
709 oi_archive_name
varchar(255) binary NOT NULL default '',
711 -- Other fields as in image...
712 oi_size
int unsigned
NOT NULL default 0,
713 oi_width
int NOT NULL default 0,
714 oi_height
int NOT NULL default 0,
715 oi_bits
int NOT NULL default 0,
716 oi_description tinyblob
NOT NULL,
717 oi_user
int unsigned
NOT NULL default '0',
718 oi_user_text
varchar(255) binary NOT NULL,
719 oi_timestamp
binary(14) NOT NULL default '',
721 oi_metadata mediumblob
NOT NULL,
722 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
723 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
724 oi_minor_mime
varbinary(32) NOT NULL default "unknown",
725 oi_deleted tinyint unsigned
NOT NULL default '0',
727 INDEX oi_name_timestamp (oi_name
,oi_timestamp
),
728 -- oi_archive_name truncated to 14 to avoid key length overflow
729 INDEX oi_name_archive_name (oi_name
,oi_archive_name(14))
731 ) /*$wgDBTableOptions*/;
734 -- Record of deleted file data
736 CREATE TABLE /*$wgDBprefix*/filearchive (
738 fa_id
int NOT NULL auto_increment
,
740 -- Original base filename; key to image.img_name, page.page_title, etc
741 fa_name
varchar(255) binary NOT NULL default '',
743 -- Filename of archived file, if an old revision
744 fa_archive_name
varchar(255) binary default '',
746 -- Which storage bin (directory tree or object store) the file data
747 -- is stored in. Should be 'deleted' for files that have been deleted;
748 -- any other bin is not yet in use.
749 fa_storage_group
varbinary(16),
751 -- SHA-1 of the file contents plus extension, used as a key for storage.
752 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
754 -- If NULL, the file was missing at deletion time or has been purged
755 -- from the archival storage.
756 fa_storage_key
varbinary(64) default '',
758 -- Deletion information, if this file is deleted.
760 fa_deleted_timestamp
binary(14) default '',
761 fa_deleted_reason
text,
763 -- Duped fields from image
764 fa_size
int unsigned
default '0',
765 fa_width
int default '0',
766 fa_height
int default '0',
767 fa_metadata mediumblob
,
768 fa_bits
int default '0',
769 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
770 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
771 fa_minor_mime
varbinary(32) default "unknown",
772 fa_description tinyblob
,
773 fa_user
int unsigned
default '0',
774 fa_user_text
varchar(255) binary,
775 fa_timestamp
binary(14) default '',
777 -- Visibility of deleted revisions, bitfield
778 fa_deleted tinyint unsigned
NOT NULL default '0',
781 INDEX (fa_name
, fa_timestamp
), -- pick out by image name
782 INDEX (fa_storage_group
, fa_storage_key
), -- pick out dupe files
783 INDEX (fa_deleted_timestamp
), -- sort by deletion time
784 INDEX (fa_deleted_user
) -- sort by deleter
786 ) /*$wgDBTableOptions*/;
789 -- Primarily a summary table for Special:Recentchanges,
790 -- this table contains some additional info on edits from
791 -- the last few days, see Article::editUpdates()
793 CREATE TABLE /*$wgDBprefix*/recentchanges (
794 rc_id
int NOT NULL auto_increment
,
795 rc_timestamp
varbinary(14) NOT NULL default '',
796 rc_cur_time
varbinary(14) NOT NULL default '',
799 rc_user
int unsigned
NOT NULL default '0',
800 rc_user_text
varchar(255) binary NOT NULL,
802 -- When pages are renamed, their RC entries do _not_ change.
803 rc_namespace
int NOT NULL default '0',
804 rc_title
varchar(255) binary NOT NULL default '',
807 rc_comment
varchar(255) binary NOT NULL default '',
808 rc_minor tinyint unsigned
NOT NULL default '0',
810 -- Edits by user accounts with the 'bot' rights key are
811 -- marked with a 1 here, and will be hidden from the
813 rc_bot tinyint unsigned
NOT NULL default '0',
815 rc_new tinyint unsigned
NOT NULL default '0',
817 -- Key to page_id (was cur_id prior to 1.5).
818 -- This will keep links working after moves while
819 -- retaining the at-the-time name in the changes list.
820 rc_cur_id
int unsigned
NOT NULL default '0',
822 -- rev_id of the given revision
823 rc_this_oldid
int unsigned
NOT NULL default '0',
825 -- rev_id of the prior revision, for generating diff links.
826 rc_last_oldid
int unsigned
NOT NULL default '0',
828 -- These may no longer be used, with the new move log.
829 rc_type tinyint unsigned
NOT NULL default '0',
830 rc_moved_to_ns tinyint unsigned
NOT NULL default '0',
831 rc_moved_to_title
varchar(255) binary NOT NULL default '',
833 -- If the Recent Changes Patrol option is enabled,
834 -- users may mark edits as having been reviewed to
835 -- remove a warning flag on the RC list.
836 -- A value of 1 indicates the page has been reviewed.
837 rc_patrolled tinyint unsigned
NOT NULL default '0',
839 -- Recorded IP address the edit was made from, if the
840 -- $wgPutIPinRC option is enabled.
841 rc_ip
varbinary(40) NOT NULL default '',
843 -- Text length in characters before
844 -- and after the edit
848 -- Visibility of deleted revisions, bitfield
849 rc_deleted tinyint unsigned
NOT NULL default '0',
851 -- Value corresonding to log_id, specific log entries
852 rc_logid
int unsigned
NOT NULL default '0',
853 -- Store log type info here, or null
854 rc_log_type
varbinary(255) NULL default NULL,
855 -- Store log action or null
856 rc_log_action
varbinary(255) NULL default NULL,
858 rc_params
blob NOT NULL default '',
860 PRIMARY KEY rc_id (rc_id
),
861 INDEX rc_timestamp (rc_timestamp
),
862 INDEX rc_namespace_title (rc_namespace
, rc_title
),
863 INDEX rc_cur_id (rc_cur_id
),
864 INDEX new_name_timestamp (rc_new
,rc_namespace
,rc_timestamp
),
866 INDEX rc_ns_usertext (rc_namespace
, rc_user_text
),
867 INDEX rc_user_text (rc_user_text
, rc_timestamp
)
869 ) /*$wgDBTableOptions*/;
871 CREATE TABLE /*$wgDBprefix*/watchlist (
872 -- Key to user.user_id
873 wl_user
int unsigned
NOT NULL,
875 -- Key to page_namespace/page_title
876 -- Note that users may watch pages which do not exist yet,
877 -- or existed in the past but have been deleted.
878 wl_namespace
int NOT NULL default '0',
879 wl_title
varchar(255) binary NOT NULL default '',
881 -- Timestamp when user was last sent a notification e-mail;
882 -- cleared when the user visits the page.
883 wl_notificationtimestamp
varbinary(14),
885 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
886 KEY namespace_title (wl_namespace
, wl_title
)
888 ) /*$wgDBTableOptions*/;
892 -- Used by the math module to keep track
893 -- of previously-rendered items.
895 CREATE TABLE /*$wgDBprefix*/math (
896 -- Binary MD5 hash of the latex fragment, used as an identifier key.
897 math_inputhash
varbinary(16) NOT NULL,
899 -- Not sure what this is, exactly...
900 math_outputhash
varbinary(16) NOT NULL,
902 -- texvc reports how well it thinks the HTML conversion worked;
903 -- if it's a low level the PNG rendering may be preferred.
904 math_html_conservativeness tinyint
NOT NULL,
906 -- HTML output from texvc, if any
909 -- MathML output from texvc, if any
912 UNIQUE KEY math_inputhash (math_inputhash
)
914 ) /*$wgDBTableOptions*/;
917 -- When using the default MySQL search backend, page titles
918 -- and text are munged to strip markup, do Unicode case folding,
919 -- and prepare the result for MySQL's fulltext index.
921 -- This table must be MyISAM; InnoDB does not support the needed
924 CREATE TABLE /*$wgDBprefix*/searchindex (
926 si_page
int unsigned
NOT NULL,
928 -- Munged version of title
929 si_title
varchar(255) NOT NULL default '',
931 -- Munged version of body text
932 si_text mediumtext
NOT NULL,
934 UNIQUE KEY (si_page
),
935 FULLTEXT
si_title (si_title
),
936 FULLTEXT
si_text (si_text
)
941 -- Recognized interwiki link prefixes
943 CREATE TABLE /*$wgDBprefix*/interwiki (
944 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
945 iw_prefix
varchar(32) NOT NULL,
947 -- The URL of the wiki, with "$1" as a placeholder for an article name.
948 -- Any spaces in the name will be transformed to underscores before
950 iw_url
blob NOT NULL,
952 -- A boolean value indicating whether the wiki is in this project
953 -- (used, for example, to detect redirect loops)
954 iw_local bool
NOT NULL,
956 -- Boolean value indicating whether interwiki transclusions are allowed.
957 iw_trans tinyint
NOT NULL default 0,
959 UNIQUE KEY iw_prefix (iw_prefix
)
961 ) /*$wgDBTableOptions*/;
964 -- Used for caching expensive grouped queries
966 CREATE TABLE /*$wgDBprefix*/querycache (
967 -- A key name, generally the base name of of the special page.
968 qc_type
varbinary(32) NOT NULL,
970 -- Some sort of stored value. Sizes, counts...
971 qc_value
int unsigned
NOT NULL default '0',
973 -- Target namespace+title
974 qc_namespace
int NOT NULL default '0',
975 qc_title
varchar(255) binary NOT NULL default '',
977 KEY (qc_type
,qc_value
)
979 ) /*$wgDBTableOptions*/;
982 -- For a few generic cache operations if not using Memcached
984 CREATE TABLE /*$wgDBprefix*/objectcache (
985 keyname
varbinary(255) NOT NULL default '',
988 UNIQUE KEY (keyname
),
991 ) /*$wgDBTableOptions*/;
994 -- Cache of interwiki transclusion
996 CREATE TABLE /*$wgDBprefix*/transcache (
997 tc_url
varbinary(255) NOT NULL,
999 tc_time
int NOT NULL,
1000 UNIQUE INDEX tc_url_idx (tc_url
)
1001 ) /*$wgDBTableOptions*/;
1003 CREATE TABLE /*$wgDBprefix*/logging (
1004 -- Symbolic keys for the general log type and the action type
1005 -- within the log. The output format will be controlled by the
1006 -- action field, but only the type controls categorization.
1007 log_type
varbinary(10) NOT NULL default '',
1008 log_action
varbinary(10) NOT NULL default '',
1011 log_timestamp
binary(14) NOT NULL default '19700101000000',
1013 -- The user who performed this action; key to user_id
1014 log_user
int unsigned
NOT NULL default 0,
1016 -- Key to the page affected. Where a user is the target,
1017 -- this will point to the user page.
1018 log_namespace
int NOT NULL default 0,
1019 log_title
varchar(255) binary NOT NULL default '',
1021 -- Freeform text. Interpreted as edit history comments.
1022 log_comment
varchar(255) NOT NULL default '',
1024 -- LF separated list of miscellaneous parameters
1025 log_params
blob NOT NULL,
1027 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1028 log_id
int unsigned
NOT NULL auto_increment
,
1030 -- rev_deleted for logs
1031 log_deleted tinyint unsigned
NOT NULL default '0',
1033 PRIMARY KEY log_id (log_id
),
1034 KEY type_time (log_type
, log_timestamp
),
1035 KEY user_time (log_user
, log_timestamp
),
1036 KEY page_time (log_namespace
, log_title
, log_timestamp
),
1037 KEY times (log_timestamp
)
1039 ) /*$wgDBTableOptions*/;
1041 CREATE TABLE /*$wgDBprefix*/trackbacks (
1042 tb_id
int auto_increment
,
1043 tb_page
int REFERENCES page(page_id
) ON DELETE CASCADE,
1044 tb_title
varchar(255) NOT NULL,
1045 tb_url
blob NOT NULL,
1047 tb_name
varchar(255),
1049 PRIMARY KEY (tb_id
),
1051 ) /*$wgDBTableOptions*/;
1054 -- Jobs performed by parallel apache threads or a command-line daemon
1055 CREATE TABLE /*$wgDBprefix*/job (
1056 job_id
int unsigned
NOT NULL auto_increment
,
1059 -- Limited to 60 to prevent key length overflow
1060 job_cmd
varbinary(60) NOT NULL default '',
1062 -- Namespace and title to act on
1063 -- Should be 0 and '' if the command does not operate on a title
1064 job_namespace
int NOT NULL,
1065 job_title
varchar(255) binary NOT NULL,
1067 -- Any other parameters to the command
1068 -- Presently unused, format undefined
1069 job_params
blob NOT NULL,
1071 PRIMARY KEY job_id (job_id
),
1072 KEY (job_cmd
, job_namespace
, job_title
)
1073 ) /*$wgDBTableOptions*/;
1076 -- Details of updates to cached special pages
1077 CREATE TABLE /*$wgDBprefix*/querycache_info (
1079 -- Special page name
1080 -- Corresponds to a qc_type value
1081 qci_type
varbinary(32) NOT NULL default '',
1083 -- Timestamp of last update
1084 qci_timestamp
binary(14) NOT NULL default '19700101000000',
1086 UNIQUE KEY ( qci_type
)
1088 ) /*$wgDBTableOptions*/;
1090 -- For each redirect, this table contains exactly one row defining its target
1091 CREATE TABLE /*$wgDBprefix*/redirect (
1092 -- Key to the page_id of the redirect page
1093 rd_from
int unsigned
NOT NULL default '0',
1095 -- Key to page_namespace/page_title of the target page.
1096 -- The target page may or may not exist, and due to renames
1097 -- and deletions may refer to different page records as time
1099 rd_namespace
int NOT NULL default '0',
1100 rd_title
varchar(255) binary NOT NULL default '',
1102 PRIMARY KEY rd_from (rd_from
),
1103 KEY rd_ns_title (rd_namespace
,rd_title
,rd_from
)
1104 ) /*$wgDBTableOptions*/;
1106 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1107 CREATE TABLE /*$wgDBprefix*/querycachetwo (
1108 -- A key name, generally the base name of of the special page.
1109 qcc_type
varbinary(32) NOT NULL,
1111 -- Some sort of stored value. Sizes, counts...
1112 qcc_value
int unsigned
NOT NULL default '0',
1114 -- Target namespace+title
1115 qcc_namespace
int NOT NULL default '0',
1116 qcc_title
varchar(255) binary NOT NULL default '',
1118 -- Target namespace+title2
1119 qcc_namespacetwo
int NOT NULL default '0',
1120 qcc_titletwo
varchar(255) binary NOT NULL default '',
1122 KEY qcc_type (qcc_type
,qcc_value
),
1123 KEY qcc_title (qcc_type
,qcc_namespace
,qcc_title
),
1124 KEY qcc_titletwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
)
1126 ) /*$wgDBTableOptions*/;
1128 -- Used for storing page restrictions (i.e. protection levels)
1129 CREATE TABLE /*$wgDBprefix*/page_restrictions (
1130 -- Page to apply restrictions to (Foreign Key to page).
1131 pr_page
int NOT NULL,
1132 -- The protection type (edit, move, etc)
1133 pr_type
varbinary(60) NOT NULL,
1134 -- The protection level (Sysop, autoconfirmed, etc)
1135 pr_level
varbinary(60) NOT NULL,
1136 -- Whether or not to cascade the protection down to pages transcluded.
1137 pr_cascade tinyint
NOT NULL,
1138 -- Field for future support of per-user restriction.
1140 -- Field for time-limited protection.
1141 pr_expiry
varbinary(14) NULL,
1142 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1143 pr_id
int unsigned
NOT NULL auto_increment
,
1145 PRIMARY KEY pr_pagetype (pr_page
,pr_type
),
1147 UNIQUE KEY pr_id (pr_id
),
1148 KEY pr_typelevel (pr_type
,pr_level
),
1149 KEY pr_level (pr_level
),
1150 KEY pr_cascade (pr_cascade
)
1151 ) /*$wgDBTableOptions*/;
1153 -- vim: sw=2 sts=2 et