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 CHAR or VARCHAR 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(5) 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 default '',
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 default '',
77 -- Timestamp of the last time when a new password was
78 -- sent, for throttling purposes
79 user_newpass_time
char(14) binary,
81 -- Note: email should be restricted, not public info.
82 -- Same with passwords.
83 user_email tinytext
NOT NULL default '',
85 -- Newline-separated list of name=value defining the user
87 user_options
blob NOT NULL default '',
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
char(14) binary 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
char(32) binary 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
char(14) binary,
106 -- Randomly generated token created when the e-mail address
107 -- is set and a confirmation test mail sent.
108 user_email_token
char(32) binary,
110 -- Expiration date for the user_email_token
111 user_email_token_expires
char(14) binary,
113 -- Timestamp of account registration.
114 -- Accounts predating this schema addition may contain NULL.
115 user_registration
char(14) binary,
117 PRIMARY KEY user_id (user_id
),
118 UNIQUE INDEX user_name (user_name
),
119 INDEX (user_email_token
)
124 -- User permissions have been broken out to a separate table;
125 -- this allows sites with a shared user table to have different
126 -- permissions assigned to a user in each project.
128 -- This table replaces the old user_rights field which used a
129 -- comma-separated blob.
131 CREATE TABLE /*$wgDBprefix*/user_groups (
133 ug_user
int(5) unsigned
NOT NULL default '0',
135 -- Group names are short symbolic string keys.
136 -- The set of group names is open-ended, though in practice
137 -- only some predefined ones are likely to be used.
139 -- At runtime $wgGroupPermissions will associate group keys
140 -- with particular permissions. A user will have the combined
141 -- permissions of any group they're explicitly in, plus
142 -- the implicit '*' and 'user' groups.
143 ug_group
char(16) NOT NULL default '',
145 PRIMARY KEY (ug_user
,ug_group
),
149 -- Stores notifications of user talk page changes, for the display
150 -- of the "you have new messages" box
151 CREATE TABLE /*$wgDBprefix*/user_newtalk (
152 -- Key to user.user_id
153 user_id
int(5) NOT NULL default '0',
154 -- If the user is an anonymous user hir IP address is stored here
155 -- since the user_id of 0 is ambiguous
156 user_ip
varchar(40) NOT NULL default '',
157 INDEX user_id (user_id
),
158 INDEX user_ip (user_ip
)
164 -- Core of the wiki: each page has an entry here which identifies
165 -- it by title and contains some essential metadata.
167 CREATE TABLE /*$wgDBprefix*/page (
168 -- Unique identifier number. The page_id will be preserved across
169 -- edits and rename operations, but not deletions and recreations.
170 page_id
int(8) unsigned
NOT NULL auto_increment
,
172 -- A page name is broken into a namespace and a title.
173 -- The namespace keys are UI-language-independent constants,
174 -- defined in includes/Defines.php
175 page_namespace
int NOT NULL,
177 -- The rest of the title, as text.
178 -- Spaces are transformed into underscores in title storage.
179 page_title
varchar(255) binary NOT NULL,
181 -- Comma-separated set of permission keys indicating who
182 -- can move or edit the page.
183 page_restrictions tinyblob
NOT NULL default '',
185 -- Number of times this page has been viewed.
186 page_counter
bigint(20) unsigned
NOT NULL default '0',
188 -- 1 indicates the article is a redirect.
189 page_is_redirect
tinyint(1) unsigned
NOT NULL default '0',
191 -- 1 indicates this is a new entry, with only one edit.
192 -- Not all pages with one edit are new pages.
193 page_is_new
tinyint(1) unsigned
NOT NULL default '0',
195 -- Random value between 0 and 1, used for Special:Randompage
196 page_random
real unsigned
NOT NULL,
198 -- This timestamp is updated whenever the page changes in
199 -- a way requiring it to be re-rendered, invalidating caches.
200 -- Aside from editing this includes permission changes,
201 -- creation or deletion of linked pages, and alteration
202 -- of contained templates.
203 page_touched
char(14) binary NOT NULL default '',
205 -- Handy key to revision.rev_id of the current revision.
206 -- This may be 0 during page creation, but that shouldn't
207 -- happen outside of a transaction... hopefully.
208 page_latest
int(8) unsigned
NOT NULL,
210 -- Uncompressed length in bytes of the page's current source text.
211 page_len
int(8) unsigned
NOT NULL,
213 PRIMARY KEY page_id (page_id
),
214 UNIQUE INDEX name_title (page_namespace
,page_title
),
216 -- Special-purpose indexes
223 -- Every edit of a page creates also a revision row.
224 -- This stores metadata about the revision, and a reference
225 -- to the text storage backend.
227 CREATE TABLE /*$wgDBprefix*/revision (
228 rev_id
int(8) unsigned
NOT NULL auto_increment
,
230 -- Key to page_id. This should _never_ be invalid.
231 rev_page
int(8) unsigned
NOT NULL,
233 -- Key to text.old_id, where the actual bulk text is stored.
234 -- It's possible for multiple revisions to use the same text,
235 -- for instance revisions where only metadata is altered
236 -- or a rollback to a previous version.
237 rev_text_id
int(8) unsigned
NOT NULL,
239 -- Text comment summarizing the change.
240 -- This text is shown in the history and other changes lists,
241 -- rendered in a subset of wiki markup by Linker::formatComment()
242 rev_comment tinyblob
NOT NULL default '',
244 -- Key to user.user_id of the user who made this edit.
245 -- Stores 0 for anonymous edits and for some mass imports.
246 rev_user
int(5) unsigned
NOT NULL default '0',
248 -- Text username or IP address of the editor.
249 rev_user_text
varchar(255) binary NOT NULL default '',
252 rev_timestamp
char(14) binary NOT NULL default '',
254 -- Records whether the user marked the 'minor edit' checkbox.
255 -- Many automated edits are marked as minor.
256 rev_minor_edit
tinyint(1) unsigned
NOT NULL default '0',
258 -- Not yet used; reserved for future changes to the deletion system.
259 rev_deleted
tinyint(1) unsigned
NOT NULL default '0',
261 PRIMARY KEY rev_page_id (rev_page
, rev_id
),
262 UNIQUE INDEX rev_id (rev_id
),
263 INDEX rev_timestamp (rev_timestamp
),
264 INDEX page_timestamp (rev_page
,rev_timestamp
),
265 INDEX user_timestamp (rev_user
,rev_timestamp
),
266 INDEX usertext_timestamp (rev_user_text
,rev_timestamp
)
272 -- Holds text of individual page revisions.
274 -- Field names are a holdover from the 'old' revisions table in
275 -- MediaWiki 1.4 and earlier: an upgrade will transform that
276 -- table into the 'text' table to minimize unnecessary churning
277 -- and downtime. If upgrading, the other fields will be left unused.
279 CREATE TABLE /*$wgDBprefix*/text (
280 -- Unique text storage key number.
281 -- Note that the 'oldid' parameter used in URLs does *not*
282 -- refer to this number anymore, but to rev_id.
284 -- revision.rev_text_id is a key to this column
285 old_id
int(8) unsigned
NOT NULL auto_increment
,
287 -- Depending on the contents of the old_flags field, the text
288 -- may be convenient plain text, or it may be funkily encoded.
289 old_text mediumblob
NOT NULL default '',
291 -- Comma-separated list of flags:
292 -- gzip: text is compressed with PHP's gzdeflate() function.
293 -- utf8: text was stored as UTF-8.
294 -- If $wgLegacyEncoding option is on, rows *without* this flag
295 -- will be converted to UTF-8 transparently at load time.
296 -- object: text field contained a serialized PHP object.
297 -- The object either contains multiple versions compressed
298 -- together to achieve a better compression ratio, or it refers
299 -- to another row where the text can be found.
300 old_flags tinyblob
NOT NULL default '',
302 PRIMARY KEY old_id (old_id
)
307 -- Holding area for deleted articles, which may be viewed
308 -- or restored by admins through the Special:Undelete interface.
309 -- The fields generally correspond to the page, revision, and text
310 -- fields, with several caveats.
312 CREATE TABLE /*$wgDBprefix*/archive (
313 ar_namespace
int NOT NULL default '0',
314 ar_title
varchar(255) binary NOT NULL default '',
316 -- Newly deleted pages will not store text in this table,
317 -- but will reference the separately existing text rows.
318 -- This field is retained for backwards compatibility,
319 -- so old archived pages will remain accessible after
320 -- upgrading from 1.4 to 1.5.
321 -- Text may be gzipped or otherwise funky.
322 ar_text mediumblob
NOT NULL default '',
324 -- Basic revision stuff...
325 ar_comment tinyblob
NOT NULL default '',
326 ar_user
int(5) unsigned
NOT NULL default '0',
327 ar_user_text
varchar(255) binary NOT NULL,
328 ar_timestamp
char(14) binary NOT NULL default '',
329 ar_minor_edit
tinyint(1) NOT NULL default '0',
332 ar_flags tinyblob
NOT NULL default '',
334 -- When revisions are deleted, their unique rev_id is stored
335 -- here so it can be retained after undeletion. This is necessary
336 -- to retain permalinks to given revisions after accidental delete
337 -- cycles or messy operations like history merges.
339 -- Old entries from 1.4 will be NULL here, and a new rev_id will
340 -- be created on undeletion for those revisions.
341 ar_rev_id
int(8) unsigned
,
343 -- For newly deleted revisions, this is the text.old_id key to the
344 -- actual stored text. To avoid breaking the block-compression scheme
345 -- and otherwise making storage changes harder, the actual text is
346 -- *not* deleted from the text table, merely hidden by removal of the
347 -- page and revision entries.
349 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
350 -- ar_text and ar_flags fields will be used to create a new text
351 -- row upon undeletion.
352 ar_text_id
int(8) unsigned
,
354 KEY name_title_timestamp (ar_namespace
,ar_title
,ar_timestamp
)
360 -- Track page-to-page hyperlinks within the wiki.
362 CREATE TABLE /*$wgDBprefix*/pagelinks (
363 -- Key to the page_id of the page containing the link.
364 pl_from
int(8) unsigned
NOT NULL default '0',
366 -- Key to page_namespace/page_title of the target page.
367 -- The target page may or may not exist, and due to renames
368 -- and deletions may refer to different page records as time
370 pl_namespace
int NOT NULL default '0',
371 pl_title
varchar(255) binary NOT NULL default '',
373 UNIQUE KEY pl_from (pl_from
,pl_namespace
,pl_title
),
374 KEY (pl_namespace
,pl_title
,pl_from
)
380 -- Track template inclusions.
382 CREATE TABLE /*$wgDBprefix*/templatelinks (
383 -- Key to the page_id of the page containing the link.
384 tl_from
int(8) unsigned
NOT NULL default '0',
386 -- Key to page_namespace/page_title of the target page.
387 -- The target page may or may not exist, and due to renames
388 -- and deletions may refer to different page records as time
390 tl_namespace
int NOT NULL default '0',
391 tl_title
varchar(255) binary NOT NULL default '',
393 UNIQUE KEY tl_from (tl_from
,tl_namespace
,tl_title
),
394 KEY (tl_namespace
,tl_title
,tl_from
)
399 -- Track links to images *used inline*
400 -- We don't distinguish live from broken links here, so
401 -- they do not need to be changed on upload/removal.
403 CREATE TABLE /*$wgDBprefix*/imagelinks (
404 -- Key to page_id of the page containing the image / media link.
405 il_from
int(8) unsigned
NOT NULL default '0',
407 -- Filename of target image.
408 -- This is also the page_title of the file's description page;
409 -- all such pages are in namespace 6 (NS_IMAGE).
410 il_to
varchar(255) binary NOT NULL default '',
412 UNIQUE KEY il_from (il_from
,il_to
),
418 -- Track category inclusions *used inline*
419 -- This tracks a single level of category membership
420 -- (folksonomic tagging, really).
422 CREATE TABLE /*$wgDBprefix*/categorylinks (
423 -- Key to page_id of the page defined as a category member.
424 cl_from
int(8) unsigned
NOT NULL default '0',
426 -- Name of the category.
427 -- This is also the page_title of the category's description page;
428 -- all such pages are in namespace 14 (NS_CATEGORY).
429 cl_to
varchar(255) binary NOT NULL default '',
431 -- The title of the linking page, or an optional override
432 -- to determine sort order. Sorting is by binary order, which
433 -- isn't always ideal, but collations seem to be an exciting
434 -- and dangerous new world in MySQL... The sortkey is updated
435 -- if no override exists and cl_from is renamed.
437 -- For MySQL 4.1+ with charset set to utf8, the sort key *index*
438 -- needs cut to be smaller than 1024 bytes (at 3 bytes per char).
439 -- To sort properly on the shorter key, this field needs to be
440 -- the same shortness.
441 cl_sortkey
varchar(86) binary NOT NULL default '',
443 -- This isn't really used at present. Provided for an optional
444 -- sorting method by approximate addition time.
445 cl_timestamp
timestamp NOT NULL,
447 UNIQUE KEY cl_from (cl_from
,cl_to
),
449 -- We always sort within a given category...
450 KEY cl_sortkey (cl_to
,cl_sortkey
),
453 KEY cl_timestamp (cl_to
,cl_timestamp
)
458 -- Track links to external URLs
460 CREATE TABLE /*$wgDBprefix*/externallinks (
461 -- page_id of the referring page
462 el_from
int(8) unsigned
NOT NULL default '0',
465 el_to
blob NOT NULL default '',
467 -- In the case of HTTP URLs, this is the URL with any username or password
468 -- removed, and with the labels in the hostname reversed and converted to
469 -- lower case. An extra dot is added to allow for matching of either
470 -- example.com or *.example.com in a single scan.
472 -- http://user:password@sub.example.com/page.html
474 -- http://com.example.sub./page.html
475 -- which allows for fast searching for all pages under example.com with the
477 -- WHERE el_index LIKE 'http://com.example.%'
478 el_index
blob NOT NULL default '',
480 KEY (el_from
, el_to(40)),
481 KEY (el_to(60), el_from
),
486 -- Track interlanguage links
488 CREATE TABLE /*$wgDBprefix*/langlinks (
489 -- page_id of the referring page
490 ll_from
int(8) unsigned
NOT NULL default '0',
492 -- Language code of the target
493 ll_lang
varchar(10) binary NOT NULL default '',
495 -- Title of the target, including namespace
496 ll_title
varchar(255) binary NOT NULL default '',
498 UNIQUE KEY (ll_from
, ll_lang
),
499 KEY (ll_lang
, ll_title
)
503 -- Contains a single row with some aggregate info
504 -- on the state of the site.
506 CREATE TABLE /*$wgDBprefix*/site_stats (
507 -- The single row should contain 1 here.
508 ss_row_id
int(8) unsigned
NOT NULL,
510 -- Total number of page views, if hit counters are enabled.
511 ss_total_views
bigint(20) unsigned
default '0',
513 -- Total number of edits performed.
514 ss_total_edits
bigint(20) unsigned
default '0',
516 -- An approximate count of pages matching the following criteria:
519 -- * contains the text '[['
520 -- See Article::isCountable() in includes/Article.php
521 ss_good_articles
bigint(20) unsigned
default '0',
523 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
524 ss_total_pages
bigint(20) default '-1',
526 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
527 ss_users
bigint(20) default '-1',
529 -- Deprecated, no longer updated as of 1.5
530 ss_admins
int(10) default '-1',
532 -- Number of images, equivalent to SELECT COUNT(*) FROM image
533 ss_images
int(10) default '0',
535 UNIQUE KEY ss_row_id (ss_row_id
)
540 -- Stores an ID for every time any article is visited;
541 -- depending on $wgHitcounterUpdateFreq, it is
542 -- periodically cleared and the page_counter column
543 -- in the page table updated for the all articles
544 -- that have been visited.)
546 CREATE TABLE /*$wgDBprefix*/hitcounter (
547 hc_id
int unsigned
NOT NULL
548 ) TYPE=HEAP MAX_ROWS
=25000;
552 -- The internet is full of jerks, alas. Sometimes it's handy
553 -- to block a vandal or troll account.
555 CREATE TABLE /*$wgDBprefix*/ipblocks (
556 -- Primary key, introduced for privacy.
557 ipb_id
int(8) NOT NULL auto_increment
,
559 -- Blocked IP address in dotted-quad form or user name.
560 ipb_address tinyblob
NOT NULL default '',
562 -- Blocked user ID or 0 for IP blocks.
563 ipb_user
int(8) unsigned
NOT NULL default '0',
565 -- User ID who made the block.
566 ipb_by
int(8) unsigned
NOT NULL default '0',
568 -- Text comment made by blocker.
569 ipb_reason tinyblob
NOT NULL default '',
571 -- Creation (or refresh) date in standard YMDHMS form.
572 -- IP blocks expire automatically.
573 ipb_timestamp
char(14) binary NOT NULL default '',
575 -- Indicates that the IP address was banned because a banned
576 -- user accessed a page through it. If this is 1, ipb_address
577 -- will be hidden, and the block identified by block ID number.
578 ipb_auto bool
NOT NULL default 0,
580 -- If set to 1, block applies only to logged-out users
581 ipb_anon_only bool
NOT NULL default 0,
583 -- Block prevents account creation from matching IP addresses
584 ipb_create_account bool
NOT NULL default 1,
586 -- Block triggers autoblocks
587 ipb_enable_autoblock bool
NOT NULL default '1',
589 -- Time at which the block will expire.
590 ipb_expiry
char(14) binary NOT NULL default '',
592 -- Start and end of an address range, in hexadecimal
593 -- Size chosen to allow IPv6
594 ipb_range_start tinyblob
NOT NULL default '',
595 ipb_range_end tinyblob
NOT NULL default '',
597 PRIMARY KEY ipb_id (ipb_id
),
599 -- Unique index to support "user already blocked" messages
600 -- Any new options which prevent collisions should be included
601 UNIQUE INDEX ipb_address (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
),
603 INDEX ipb_user (ipb_user
),
604 INDEX ipb_range (ipb_range_start(8), ipb_range_end(8)),
605 INDEX ipb_timestamp (ipb_timestamp
),
606 INDEX ipb_expiry (ipb_expiry
)
612 -- Uploaded images and other files.
614 CREATE TABLE /*$wgDBprefix*/image (
616 -- This is also the title of the associated description page,
617 -- which will be in namespace 6 (NS_IMAGE).
618 img_name
varchar(255) binary NOT NULL default '',
620 -- File size in bytes.
621 img_size
int(8) unsigned
NOT NULL default '0',
623 -- For images, size in pixels.
624 img_width
int(5) NOT NULL default '0',
625 img_height
int(5) NOT NULL default '0',
627 -- Extracted EXIF metadata stored as a serialized PHP array.
628 img_metadata mediumblob
NOT NULL,
630 -- For images, bits per pixel if known.
631 img_bits
int(3) NOT NULL default '0',
633 -- Media type as defined by the MEDIATYPE_xxx constants
634 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
636 -- major part of a MIME media type as defined by IANA
637 -- see http://www.iana.org/assignments/media-types/
638 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
640 -- minor part of a MIME media type as defined by IANA
641 -- the minor parts are not required to adher to any standard
642 -- but should be consistent throughout the database
643 -- see http://www.iana.org/assignments/media-types/
644 img_minor_mime
varchar(32) NOT NULL default "unknown",
646 -- Description field as entered by the uploader.
647 -- This is displayed in image upload history and logs.
648 img_description tinyblob
NOT NULL default '',
650 -- user_id and user_name of uploader.
651 img_user
int(5) unsigned
NOT NULL default '0',
652 img_user_text
varchar(255) binary NOT NULL default '',
654 -- Time of the upload.
655 img_timestamp
char(14) binary NOT NULL default '',
657 PRIMARY KEY img_name (img_name
),
659 -- Used by Special:Imagelist for sort-by-size
660 INDEX img_size (img_size
),
662 -- Used by Special:Newimages and Special:Imagelist
663 INDEX img_timestamp (img_timestamp
)
668 -- Previous revisions of uploaded files.
669 -- Awkwardly, image rows have to be moved into
670 -- this table at re-upload time.
672 CREATE TABLE /*$wgDBprefix*/oldimage (
673 -- Base filename: key to image.img_name
674 oi_name
varchar(255) binary NOT NULL default '',
676 -- Filename of the archived file.
677 -- This is generally a timestamp and '!' prepended to the base name.
678 oi_archive_name
varchar(255) binary NOT NULL default '',
680 -- Other fields as in image...
681 oi_size
int(8) unsigned
NOT NULL default 0,
682 oi_width
int(5) NOT NULL default 0,
683 oi_height
int(5) NOT NULL default 0,
684 oi_bits
int(3) NOT NULL default 0,
685 oi_description tinyblob
NOT NULL default '',
686 oi_user
int(5) unsigned
NOT NULL default '0',
687 oi_user_text
varchar(255) binary NOT NULL default '',
688 oi_timestamp
char(14) binary NOT NULL default '',
690 INDEX oi_name (oi_name(10))
695 -- Record of deleted file data
697 CREATE TABLE /*$wgDBprefix*/filearchive (
699 fa_id
int NOT NULL auto_increment
,
701 -- Original base filename; key to image.img_name, page.page_title, etc
702 fa_name
varchar(255) binary NOT NULL default '',
704 -- Filename of archived file, if an old revision
705 fa_archive_name
varchar(255) binary default '',
707 -- Which storage bin (directory tree or object store) the file data
708 -- is stored in. Should be 'deleted' for files that have been deleted;
709 -- any other bin is not yet in use.
710 fa_storage_group
varchar(16),
712 -- SHA-1 of the file contents plus extension, used as a key for storage.
713 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
715 -- If NULL, the file was missing at deletion time or has been purged
716 -- from the archival storage.
717 fa_storage_key
varchar(64) binary default '',
719 -- Deletion information, if this file is deleted.
721 fa_deleted_timestamp
char(14) binary default '',
722 fa_deleted_reason
text,
724 -- Duped fields from image
725 fa_size
int(8) unsigned
default '0',
726 fa_width
int(5) default '0',
727 fa_height
int(5) default '0',
728 fa_metadata mediumblob
,
729 fa_bits
int(3) default '0',
730 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
731 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
732 fa_minor_mime
varchar(32) default "unknown",
733 fa_description tinyblob
default '',
734 fa_user
int(5) unsigned
default '0',
735 fa_user_text
varchar(255) binary default '',
736 fa_timestamp
char(14) binary default '',
739 INDEX (fa_name
, fa_timestamp
), -- pick out by image name
740 INDEX (fa_storage_group
, fa_storage_key
), -- pick out dupe files
741 INDEX (fa_deleted_timestamp
), -- sort by deletion time
742 INDEX (fa_deleted_user
) -- sort by deleter
747 -- Primarily a summary table for Special:Recentchanges,
748 -- this table contains some additional info on edits from
749 -- the last few days, see Article::editUpdates()
751 CREATE TABLE /*$wgDBprefix*/recentchanges (
752 rc_id
int(8) NOT NULL auto_increment
,
753 rc_timestamp
varchar(14) binary NOT NULL default '',
754 rc_cur_time
varchar(14) binary NOT NULL default '',
757 rc_user
int(10) unsigned
NOT NULL default '0',
758 rc_user_text
varchar(255) binary NOT NULL default '',
760 -- When pages are renamed, their RC entries do _not_ change.
761 rc_namespace
int NOT NULL default '0',
762 rc_title
varchar(255) binary NOT NULL default '',
765 rc_comment
varchar(255) binary NOT NULL default '',
766 rc_minor
tinyint(3) unsigned
NOT NULL default '0',
768 -- Edits by user accounts with the 'bot' rights key are
769 -- marked with a 1 here, and will be hidden from the
771 rc_bot
tinyint(3) unsigned
NOT NULL default '0',
773 rc_new
tinyint(3) unsigned
NOT NULL default '0',
775 -- Key to page_id (was cur_id prior to 1.5).
776 -- This will keep links working after moves while
777 -- retaining the at-the-time name in the changes list.
778 rc_cur_id
int(10) unsigned
NOT NULL default '0',
780 -- rev_id of the given revision
781 rc_this_oldid
int(10) unsigned
NOT NULL default '0',
783 -- rev_id of the prior revision, for generating diff links.
784 rc_last_oldid
int(10) unsigned
NOT NULL default '0',
786 -- These may no longer be used, with the new move log.
787 rc_type
tinyint(3) unsigned
NOT NULL default '0',
788 rc_moved_to_ns
tinyint(3) unsigned
NOT NULL default '0',
789 rc_moved_to_title
varchar(255) binary NOT NULL default '',
791 -- If the Recent Changes Patrol option is enabled,
792 -- users may mark edits as having been reviewed to
793 -- remove a warning flag on the RC list.
794 -- A value of 1 indicates the page has been reviewed.
795 rc_patrolled
tinyint(3) unsigned
NOT NULL default '0',
797 -- Recorded IP address the edit was made from, if the
798 -- $wgPutIPinRC option is enabled.
799 rc_ip
char(15) NOT NULL default '',
801 -- Text length in characters before
802 -- and after the edit
803 rc_old_len
int(10) default '0',
804 rc_new_len
int(10) default '0',
806 PRIMARY KEY rc_id (rc_id
),
807 INDEX rc_timestamp (rc_timestamp
),
808 INDEX rc_namespace_title (rc_namespace
, rc_title
),
809 INDEX rc_cur_id (rc_cur_id
),
810 INDEX new_name_timestamp (rc_new
,rc_namespace
,rc_timestamp
),
812 INDEX rc_ns_usertext (rc_namespace
, rc_user_text
),
813 INDEX rc_user_text (rc_user_text
, rc_timestamp
)
817 CREATE TABLE /*$wgDBprefix*/watchlist (
818 -- Key to user.user_id
819 wl_user
int(5) unsigned
NOT NULL,
821 -- Key to page_namespace/page_title
822 -- Note that users may watch pages which do not exist yet,
823 -- or existed in the past but have been deleted.
824 wl_namespace
int NOT NULL default '0',
825 wl_title
varchar(255) binary NOT NULL default '',
827 -- Timestamp when user was last sent a notification e-mail;
828 -- cleared when the user visits the page.
829 wl_notificationtimestamp
varchar(14) binary,
831 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
832 KEY namespace_title (wl_namespace
, wl_title
)
838 -- Used by the math module to keep track
839 -- of previously-rendered items.
841 CREATE TABLE /*$wgDBprefix*/math (
842 -- Binary MD5 hash of the latex fragment, used as an identifier key.
843 math_inputhash
varchar(16) NOT NULL,
845 -- Not sure what this is, exactly...
846 math_outputhash
varchar(16) NOT NULL,
848 -- texvc reports how well it thinks the HTML conversion worked;
849 -- if it's a low level the PNG rendering may be preferred.
850 math_html_conservativeness
tinyint(1) NOT NULL,
852 -- HTML output from texvc, if any
855 -- MathML output from texvc, if any
858 UNIQUE KEY math_inputhash (math_inputhash
)
863 -- When using the default MySQL search backend, page titles
864 -- and text are munged to strip markup, do Unicode case folding,
865 -- and prepare the result for MySQL's fulltext index.
867 -- This table must be MyISAM; InnoDB does not support the needed
870 CREATE TABLE /*$wgDBprefix*/searchindex (
872 si_page
int(8) unsigned
NOT NULL,
874 -- Munged version of title
875 si_title
varchar(255) NOT NULL default '',
877 -- Munged version of body text
878 si_text mediumtext
NOT NULL default '',
880 UNIQUE KEY (si_page
),
881 FULLTEXT
si_title (si_title
),
882 FULLTEXT
si_text (si_text
)
887 -- Recognized interwiki link prefixes
889 CREATE TABLE /*$wgDBprefix*/interwiki (
890 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
891 iw_prefix
char(32) NOT NULL,
893 -- The URL of the wiki, with "$1" as a placeholder for an article name.
894 -- Any spaces in the name will be transformed to underscores before
896 iw_url
char(127) NOT NULL,
898 -- A boolean value indicating whether the wiki is in this project
899 -- (used, for example, to detect redirect loops)
900 iw_local bool
NOT NULL,
902 -- Boolean value indicating whether interwiki transclusions are allowed.
903 iw_trans
tinyint(1) NOT NULL default 0,
905 UNIQUE KEY iw_prefix (iw_prefix
)
910 -- Used for caching expensive grouped queries
912 CREATE TABLE /*$wgDBprefix*/querycache (
913 -- A key name, generally the base name of of the special page.
914 qc_type
char(32) NOT NULL,
916 -- Some sort of stored value. Sizes, counts...
917 qc_value
int(5) unsigned
NOT NULL default '0',
919 -- Target namespace+title
920 qc_namespace
int NOT NULL default '0',
921 qc_title
char(255) binary NOT NULL default '',
923 KEY (qc_type
,qc_value
)
928 -- For a few generic cache operations if not using Memcached
930 CREATE TABLE /*$wgDBprefix*/objectcache (
931 keyname
char(255) binary NOT NULL default '',
934 UNIQUE KEY (keyname
),
940 -- Cache of interwiki transclusion
942 CREATE TABLE /*$wgDBprefix*/transcache (
943 tc_url
varchar(255) NOT NULL,
945 tc_time
int NOT NULL,
946 UNIQUE INDEX tc_url_idx (tc_url
)
949 CREATE TABLE /*$wgDBprefix*/logging (
950 -- Symbolic keys for the general log type and the action type
951 -- within the log. The output format will be controlled by the
952 -- action field, but only the type controls categorization.
953 log_type
char(10) NOT NULL default '',
954 log_action
char(10) NOT NULL default '',
957 log_timestamp
char(14) NOT NULL default '19700101000000',
959 -- The user who performed this action; key to user_id
960 log_user
int unsigned
NOT NULL default 0,
962 -- Key to the page affected. Where a user is the target,
963 -- this will point to the user page.
964 log_namespace
int NOT NULL default 0,
965 log_title
varchar(255) binary NOT NULL default '',
967 -- Freeform text. Interpreted as edit history comments.
968 log_comment
varchar(255) NOT NULL default '',
970 -- LF separated list of miscellaneous parameters
971 log_params
blob NOT NULL default '',
973 KEY type_time (log_type
, log_timestamp
),
974 KEY user_time (log_user
, log_timestamp
),
975 KEY page_time (log_namespace
, log_title
, log_timestamp
),
976 KEY times (log_timestamp
)
980 CREATE TABLE /*$wgDBprefix*/trackbacks (
981 tb_id
int auto_increment
,
982 tb_page
int REFERENCES page(page_id
) ON DELETE CASCADE,
983 tb_title
varchar(255) NOT NULL,
984 tb_url
varchar(255) NOT NULL,
986 tb_name
varchar(255),
993 -- Jobs performed by parallel apache threads or a command-line daemon
994 CREATE TABLE /*$wgDBprefix*/job (
995 job_id
int(9) unsigned
NOT NULL auto_increment
,
997 -- Command name, currently only refreshLinks is defined
998 job_cmd
varchar(255) NOT NULL default '',
1000 -- Namespace and title to act on
1001 -- Should be 0 and '' if the command does not operate on a title
1002 job_namespace
int NOT NULL,
1003 job_title
varchar(255) binary NOT NULL,
1005 -- Any other parameters to the command
1006 -- Presently unused, format undefined
1007 job_params
blob NOT NULL default '',
1009 PRIMARY KEY job_id (job_id
),
1010 KEY (job_cmd
, job_namespace
, job_title
)
1014 -- Details of updates to cached special pages
1015 CREATE TABLE /*$wgDBprefix*/querycache_info (
1017 -- Special page name
1018 -- Corresponds to a qc_type value
1019 qci_type
varchar(32) NOT NULL default '',
1021 -- Timestamp of last update
1022 qci_timestamp
char(14) NOT NULL default '19700101000000',
1024 UNIQUE KEY ( qci_type
)
1028 -- For each redirect, this table contains exactly one row defining its target
1029 CREATE TABLE /*$wgDBprefix*/redirect (
1030 -- Key to the page_id of the redirect page
1031 rd_from
int(8) unsigned
NOT NULL default '0',
1033 -- Key to page_namespace/page_title of the target page.
1034 -- The target page may or may not exist, and due to renames
1035 -- and deletions may refer to different page records as time
1037 rd_namespace
int NOT NULL default '0',
1038 rd_title
varchar(255) binary NOT NULL default '',
1040 PRIMARY KEY rd_from (rd_from
),
1041 KEY rd_ns_title (rd_namespace
,rd_title
,rd_from
)
1044 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1045 CREATE TABLE /*$wgDBprefix*/querycachetwo (
1046 -- A key name, generally the base name of of the special page.
1047 qcc_type
char(32) NOT NULL,
1049 -- Some sort of stored value. Sizes, counts...
1050 qcc_value
int(5) unsigned
NOT NULL default '0',
1052 -- Target namespace+title
1053 qcc_namespace
int NOT NULL default '0',
1054 qcc_title
char(255) binary NOT NULL default '',
1056 -- Target namespace+title2
1057 qcc_namespacetwo
int NOT NULL default '0',
1058 qcc_titletwo
char(255) binary NOT NULL default '',
1060 KEY qcc_type (qcc_type
,qcc_value
),
1061 KEY qcc_title (qcc_type
,qcc_namespace
,qcc_title
),
1062 KEY qcc_titletwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
)
1066 -- vim: sw=2 sts=2 et