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
),
355 KEY usertext_timestamp (ar_user_text
,ar_timestamp
)
361 -- Track page-to-page hyperlinks within the wiki.
363 CREATE TABLE /*$wgDBprefix*/pagelinks (
364 -- Key to the page_id of the page containing the link.
365 pl_from
int(8) unsigned
NOT NULL default '0',
367 -- Key to page_namespace/page_title of the target page.
368 -- The target page may or may not exist, and due to renames
369 -- and deletions may refer to different page records as time
371 pl_namespace
int NOT NULL default '0',
372 pl_title
varchar(255) binary NOT NULL default '',
374 UNIQUE KEY pl_from (pl_from
,pl_namespace
,pl_title
),
375 KEY (pl_namespace
,pl_title
,pl_from
)
381 -- Track template inclusions.
383 CREATE TABLE /*$wgDBprefix*/templatelinks (
384 -- Key to the page_id of the page containing the link.
385 tl_from
int(8) unsigned
NOT NULL default '0',
387 -- Key to page_namespace/page_title of the target page.
388 -- The target page may or may not exist, and due to renames
389 -- and deletions may refer to different page records as time
391 tl_namespace
int NOT NULL default '0',
392 tl_title
varchar(255) binary NOT NULL default '',
394 UNIQUE KEY tl_from (tl_from
,tl_namespace
,tl_title
),
395 KEY (tl_namespace
,tl_title
,tl_from
)
400 -- Track links to images *used inline*
401 -- We don't distinguish live from broken links here, so
402 -- they do not need to be changed on upload/removal.
404 CREATE TABLE /*$wgDBprefix*/imagelinks (
405 -- Key to page_id of the page containing the image / media link.
406 il_from
int(8) unsigned
NOT NULL default '0',
408 -- Filename of target image.
409 -- This is also the page_title of the file's description page;
410 -- all such pages are in namespace 6 (NS_IMAGE).
411 il_to
varchar(255) binary NOT NULL default '',
413 UNIQUE KEY il_from (il_from
,il_to
),
419 -- Track category inclusions *used inline*
420 -- This tracks a single level of category membership
421 -- (folksonomic tagging, really).
423 CREATE TABLE /*$wgDBprefix*/categorylinks (
424 -- Key to page_id of the page defined as a category member.
425 cl_from
int(8) unsigned
NOT NULL default '0',
427 -- Name of the category.
428 -- This is also the page_title of the category's description page;
429 -- all such pages are in namespace 14 (NS_CATEGORY).
430 cl_to
varchar(255) binary NOT NULL default '',
432 -- The title of the linking page, or an optional override
433 -- to determine sort order. Sorting is by binary order, which
434 -- isn't always ideal, but collations seem to be an exciting
435 -- and dangerous new world in MySQL... The sortkey is updated
436 -- if no override exists and cl_from is renamed.
438 -- For MySQL 4.1+ with charset set to utf8, the sort key *index*
439 -- needs cut to be smaller than 1024 bytes (at 3 bytes per char).
440 -- To sort properly on the shorter key, this field needs to be
441 -- the same shortness.
442 cl_sortkey
varchar(86) binary NOT NULL default '',
444 -- This isn't really used at present. Provided for an optional
445 -- sorting method by approximate addition time.
446 cl_timestamp
timestamp NOT NULL,
448 UNIQUE KEY cl_from (cl_from
,cl_to
),
450 -- We always sort within a given category...
451 KEY cl_sortkey (cl_to
,cl_sortkey
),
454 KEY cl_timestamp (cl_to
,cl_timestamp
)
459 -- Track links to external URLs
461 CREATE TABLE /*$wgDBprefix*/externallinks (
462 -- page_id of the referring page
463 el_from
int(8) unsigned
NOT NULL default '0',
466 el_to
blob NOT NULL default '',
468 -- In the case of HTTP URLs, this is the URL with any username or password
469 -- removed, and with the labels in the hostname reversed and converted to
470 -- lower case. An extra dot is added to allow for matching of either
471 -- example.com or *.example.com in a single scan.
473 -- http://user:password@sub.example.com/page.html
475 -- http://com.example.sub./page.html
476 -- which allows for fast searching for all pages under example.com with the
478 -- WHERE el_index LIKE 'http://com.example.%'
479 el_index
blob NOT NULL default '',
481 KEY (el_from
, el_to(40)),
482 KEY (el_to(60), el_from
),
487 -- Track interlanguage links
489 CREATE TABLE /*$wgDBprefix*/langlinks (
490 -- page_id of the referring page
491 ll_from
int(8) unsigned
NOT NULL default '0',
493 -- Language code of the target
494 ll_lang
varchar(10) binary NOT NULL default '',
496 -- Title of the target, including namespace
497 ll_title
varchar(255) binary NOT NULL default '',
499 UNIQUE KEY (ll_from
, ll_lang
),
500 KEY (ll_lang
, ll_title
)
504 -- Contains a single row with some aggregate info
505 -- on the state of the site.
507 CREATE TABLE /*$wgDBprefix*/site_stats (
508 -- The single row should contain 1 here.
509 ss_row_id
int(8) unsigned
NOT NULL,
511 -- Total number of page views, if hit counters are enabled.
512 ss_total_views
bigint(20) unsigned
default '0',
514 -- Total number of edits performed.
515 ss_total_edits
bigint(20) unsigned
default '0',
517 -- An approximate count of pages matching the following criteria:
520 -- * contains the text '[['
521 -- See Article::isCountable() in includes/Article.php
522 ss_good_articles
bigint(20) unsigned
default '0',
524 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
525 ss_total_pages
bigint(20) default '-1',
527 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
528 ss_users
bigint(20) default '-1',
530 -- Deprecated, no longer updated as of 1.5
531 ss_admins
int(10) default '-1',
533 -- Number of images, equivalent to SELECT COUNT(*) FROM image
534 ss_images
int(10) default '0',
536 UNIQUE KEY ss_row_id (ss_row_id
)
541 -- Stores an ID for every time any article is visited;
542 -- depending on $wgHitcounterUpdateFreq, it is
543 -- periodically cleared and the page_counter column
544 -- in the page table updated for the all articles
545 -- that have been visited.)
547 CREATE TABLE /*$wgDBprefix*/hitcounter (
548 hc_id
int unsigned
NOT NULL
549 ) TYPE=HEAP MAX_ROWS
=25000;
553 -- The internet is full of jerks, alas. Sometimes it's handy
554 -- to block a vandal or troll account.
556 CREATE TABLE /*$wgDBprefix*/ipblocks (
557 -- Primary key, introduced for privacy.
558 ipb_id
int(8) NOT NULL auto_increment
,
560 -- Blocked IP address in dotted-quad form or user name.
561 ipb_address tinyblob
NOT NULL default '',
563 -- Blocked user ID or 0 for IP blocks.
564 ipb_user
int(8) unsigned
NOT NULL default '0',
566 -- User ID who made the block.
567 ipb_by
int(8) unsigned
NOT NULL default '0',
569 -- Text comment made by blocker.
570 ipb_reason tinyblob
NOT NULL default '',
572 -- Creation (or refresh) date in standard YMDHMS form.
573 -- IP blocks expire automatically.
574 ipb_timestamp
char(14) binary NOT NULL default '',
576 -- Indicates that the IP address was banned because a banned
577 -- user accessed a page through it. If this is 1, ipb_address
578 -- will be hidden, and the block identified by block ID number.
579 ipb_auto bool
NOT NULL default 0,
581 -- If set to 1, block applies only to logged-out users
582 ipb_anon_only bool
NOT NULL default 0,
584 -- Block prevents account creation from matching IP addresses
585 ipb_create_account bool
NOT NULL default 1,
587 -- Block triggers autoblocks
588 ipb_enable_autoblock bool
NOT NULL default '1',
590 -- Time at which the block will expire.
591 ipb_expiry
char(14) binary NOT NULL default '',
593 -- Start and end of an address range, in hexadecimal
594 -- Size chosen to allow IPv6
595 ipb_range_start tinyblob
NOT NULL default '',
596 ipb_range_end tinyblob
NOT NULL default '',
598 PRIMARY KEY ipb_id (ipb_id
),
600 -- Unique index to support "user already blocked" messages
601 -- Any new options which prevent collisions should be included
602 UNIQUE INDEX ipb_address (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
),
604 INDEX ipb_user (ipb_user
),
605 INDEX ipb_range (ipb_range_start(8), ipb_range_end(8)),
606 INDEX ipb_timestamp (ipb_timestamp
),
607 INDEX ipb_expiry (ipb_expiry
)
613 -- Uploaded images and other files.
615 CREATE TABLE /*$wgDBprefix*/image (
617 -- This is also the title of the associated description page,
618 -- which will be in namespace 6 (NS_IMAGE).
619 img_name
varchar(255) binary NOT NULL default '',
621 -- File size in bytes.
622 img_size
int(8) unsigned
NOT NULL default '0',
624 -- For images, size in pixels.
625 img_width
int(5) NOT NULL default '0',
626 img_height
int(5) NOT NULL default '0',
628 -- Extracted EXIF metadata stored as a serialized PHP array.
629 img_metadata mediumblob
NOT NULL,
631 -- For images, bits per pixel if known.
632 img_bits
int(3) NOT NULL default '0',
634 -- Media type as defined by the MEDIATYPE_xxx constants
635 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
637 -- major part of a MIME media type as defined by IANA
638 -- see http://www.iana.org/assignments/media-types/
639 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
641 -- minor part of a MIME media type as defined by IANA
642 -- the minor parts are not required to adher to any standard
643 -- but should be consistent throughout the database
644 -- see http://www.iana.org/assignments/media-types/
645 img_minor_mime
varchar(32) NOT NULL default "unknown",
647 -- Description field as entered by the uploader.
648 -- This is displayed in image upload history and logs.
649 img_description tinyblob
NOT NULL default '',
651 -- user_id and user_name of uploader.
652 img_user
int(5) unsigned
NOT NULL default '0',
653 img_user_text
varchar(255) binary NOT NULL default '',
655 -- Time of the upload.
656 img_timestamp
char(14) binary NOT NULL default '',
658 PRIMARY KEY img_name (img_name
),
660 -- Used by Special:Imagelist for sort-by-size
661 INDEX img_size (img_size
),
663 -- Used by Special:Newimages and Special:Imagelist
664 INDEX img_timestamp (img_timestamp
)
669 -- Previous revisions of uploaded files.
670 -- Awkwardly, image rows have to be moved into
671 -- this table at re-upload time.
673 CREATE TABLE /*$wgDBprefix*/oldimage (
674 -- Base filename: key to image.img_name
675 oi_name
varchar(255) binary NOT NULL default '',
677 -- Filename of the archived file.
678 -- This is generally a timestamp and '!' prepended to the base name.
679 oi_archive_name
varchar(255) binary NOT NULL default '',
681 -- Other fields as in image...
682 oi_size
int(8) unsigned
NOT NULL default 0,
683 oi_width
int(5) NOT NULL default 0,
684 oi_height
int(5) NOT NULL default 0,
685 oi_bits
int(3) NOT NULL default 0,
686 oi_description tinyblob
NOT NULL default '',
687 oi_user
int(5) unsigned
NOT NULL default '0',
688 oi_user_text
varchar(255) binary NOT NULL default '',
689 oi_timestamp
char(14) binary NOT NULL default '',
691 INDEX oi_name (oi_name(10))
696 -- Record of deleted file data
698 CREATE TABLE /*$wgDBprefix*/filearchive (
700 fa_id
int NOT NULL auto_increment
,
702 -- Original base filename; key to image.img_name, page.page_title, etc
703 fa_name
varchar(255) binary NOT NULL default '',
705 -- Filename of archived file, if an old revision
706 fa_archive_name
varchar(255) binary default '',
708 -- Which storage bin (directory tree or object store) the file data
709 -- is stored in. Should be 'deleted' for files that have been deleted;
710 -- any other bin is not yet in use.
711 fa_storage_group
varchar(16),
713 -- SHA-1 of the file contents plus extension, used as a key for storage.
714 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
716 -- If NULL, the file was missing at deletion time or has been purged
717 -- from the archival storage.
718 fa_storage_key
varchar(64) binary default '',
720 -- Deletion information, if this file is deleted.
722 fa_deleted_timestamp
char(14) binary default '',
723 fa_deleted_reason
text,
725 -- Duped fields from image
726 fa_size
int(8) unsigned
default '0',
727 fa_width
int(5) default '0',
728 fa_height
int(5) default '0',
729 fa_metadata mediumblob
,
730 fa_bits
int(3) default '0',
731 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
732 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
733 fa_minor_mime
varchar(32) default "unknown",
734 fa_description tinyblob
default '',
735 fa_user
int(5) unsigned
default '0',
736 fa_user_text
varchar(255) binary default '',
737 fa_timestamp
char(14) binary default '',
740 INDEX (fa_name
, fa_timestamp
), -- pick out by image name
741 INDEX (fa_storage_group
, fa_storage_key
), -- pick out dupe files
742 INDEX (fa_deleted_timestamp
), -- sort by deletion time
743 INDEX (fa_deleted_user
) -- sort by deleter
748 -- Primarily a summary table for Special:Recentchanges,
749 -- this table contains some additional info on edits from
750 -- the last few days, see Article::editUpdates()
752 CREATE TABLE /*$wgDBprefix*/recentchanges (
753 rc_id
int(8) NOT NULL auto_increment
,
754 rc_timestamp
varchar(14) binary NOT NULL default '',
755 rc_cur_time
varchar(14) binary NOT NULL default '',
758 rc_user
int(10) unsigned
NOT NULL default '0',
759 rc_user_text
varchar(255) binary NOT NULL default '',
761 -- When pages are renamed, their RC entries do _not_ change.
762 rc_namespace
int NOT NULL default '0',
763 rc_title
varchar(255) binary NOT NULL default '',
766 rc_comment
varchar(255) binary NOT NULL default '',
767 rc_minor
tinyint(3) unsigned
NOT NULL default '0',
769 -- Edits by user accounts with the 'bot' rights key are
770 -- marked with a 1 here, and will be hidden from the
772 rc_bot
tinyint(3) unsigned
NOT NULL default '0',
774 rc_new
tinyint(3) unsigned
NOT NULL default '0',
776 -- Key to page_id (was cur_id prior to 1.5).
777 -- This will keep links working after moves while
778 -- retaining the at-the-time name in the changes list.
779 rc_cur_id
int(10) unsigned
NOT NULL default '0',
781 -- rev_id of the given revision
782 rc_this_oldid
int(10) unsigned
NOT NULL default '0',
784 -- rev_id of the prior revision, for generating diff links.
785 rc_last_oldid
int(10) unsigned
NOT NULL default '0',
787 -- These may no longer be used, with the new move log.
788 rc_type
tinyint(3) unsigned
NOT NULL default '0',
789 rc_moved_to_ns
tinyint(3) unsigned
NOT NULL default '0',
790 rc_moved_to_title
varchar(255) binary NOT NULL default '',
792 -- If the Recent Changes Patrol option is enabled,
793 -- users may mark edits as having been reviewed to
794 -- remove a warning flag on the RC list.
795 -- A value of 1 indicates the page has been reviewed.
796 rc_patrolled
tinyint(3) unsigned
NOT NULL default '0',
798 -- Recorded IP address the edit was made from, if the
799 -- $wgPutIPinRC option is enabled.
800 rc_ip
char(15) NOT NULL default '',
802 PRIMARY KEY rc_id (rc_id
),
803 INDEX rc_timestamp (rc_timestamp
),
804 INDEX rc_namespace_title (rc_namespace
, rc_title
),
805 INDEX rc_cur_id (rc_cur_id
),
806 INDEX new_name_timestamp (rc_new
,rc_namespace
,rc_timestamp
),
808 INDEX rc_ns_usertext (rc_namespace
, rc_user_text
),
809 INDEX rc_user_text (rc_user_text
, rc_timestamp
)
813 CREATE TABLE /*$wgDBprefix*/watchlist (
814 -- Key to user.user_id
815 wl_user
int(5) unsigned
NOT NULL,
817 -- Key to page_namespace/page_title
818 -- Note that users may watch pages which do not exist yet,
819 -- or existed in the past but have been deleted.
820 wl_namespace
int NOT NULL default '0',
821 wl_title
varchar(255) binary NOT NULL default '',
823 -- Timestamp when user was last sent a notification e-mail;
824 -- cleared when the user visits the page.
825 wl_notificationtimestamp
varchar(14) binary,
827 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
828 KEY namespace_title (wl_namespace
, wl_title
)
834 -- Used by the math module to keep track
835 -- of previously-rendered items.
837 CREATE TABLE /*$wgDBprefix*/math (
838 -- Binary MD5 hash of the latex fragment, used as an identifier key.
839 math_inputhash
varchar(16) NOT NULL,
841 -- Not sure what this is, exactly...
842 math_outputhash
varchar(16) NOT NULL,
844 -- texvc reports how well it thinks the HTML conversion worked;
845 -- if it's a low level the PNG rendering may be preferred.
846 math_html_conservativeness
tinyint(1) NOT NULL,
848 -- HTML output from texvc, if any
851 -- MathML output from texvc, if any
854 UNIQUE KEY math_inputhash (math_inputhash
)
859 -- When using the default MySQL search backend, page titles
860 -- and text are munged to strip markup, do Unicode case folding,
861 -- and prepare the result for MySQL's fulltext index.
863 -- This table must be MyISAM; InnoDB does not support the needed
866 CREATE TABLE /*$wgDBprefix*/searchindex (
868 si_page
int(8) unsigned
NOT NULL,
870 -- Munged version of title
871 si_title
varchar(255) NOT NULL default '',
873 -- Munged version of body text
874 si_text mediumtext
NOT NULL default '',
876 UNIQUE KEY (si_page
),
877 FULLTEXT
si_title (si_title
),
878 FULLTEXT
si_text (si_text
)
883 -- Recognized interwiki link prefixes
885 CREATE TABLE /*$wgDBprefix*/interwiki (
886 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
887 iw_prefix
char(32) NOT NULL,
889 -- The URL of the wiki, with "$1" as a placeholder for an article name.
890 -- Any spaces in the name will be transformed to underscores before
892 iw_url
char(127) NOT NULL,
894 -- A boolean value indicating whether the wiki is in this project
895 -- (used, for example, to detect redirect loops)
896 iw_local bool
NOT NULL,
898 -- Boolean value indicating whether interwiki transclusions are allowed.
899 iw_trans
tinyint(1) NOT NULL default 0,
901 UNIQUE KEY iw_prefix (iw_prefix
)
906 -- Used for caching expensive grouped queries
908 CREATE TABLE /*$wgDBprefix*/querycache (
909 -- A key name, generally the base name of of the special page.
910 qc_type
char(32) NOT NULL,
912 -- Some sort of stored value. Sizes, counts...
913 qc_value
int(5) unsigned
NOT NULL default '0',
915 -- Target namespace+title
916 qc_namespace
int NOT NULL default '0',
917 qc_title
char(255) binary NOT NULL default '',
919 KEY (qc_type
,qc_value
)
924 -- For a few generic cache operations if not using Memcached
926 CREATE TABLE /*$wgDBprefix*/objectcache (
927 keyname
char(255) binary NOT NULL default '',
930 UNIQUE KEY (keyname
),
936 -- Cache of interwiki transclusion
938 CREATE TABLE /*$wgDBprefix*/transcache (
939 tc_url
varchar(255) NOT NULL,
941 tc_time
int NOT NULL,
942 UNIQUE INDEX tc_url_idx (tc_url
)
945 CREATE TABLE /*$wgDBprefix*/logging (
946 -- Symbolic keys for the general log type and the action type
947 -- within the log. The output format will be controlled by the
948 -- action field, but only the type controls categorization.
949 log_type
char(10) NOT NULL default '',
950 log_action
char(10) NOT NULL default '',
953 log_timestamp
char(14) NOT NULL default '19700101000000',
955 -- The user who performed this action; key to user_id
956 log_user
int unsigned
NOT NULL default 0,
958 -- Key to the page affected. Where a user is the target,
959 -- this will point to the user page.
960 log_namespace
int NOT NULL default 0,
961 log_title
varchar(255) binary NOT NULL default '',
963 -- Freeform text. Interpreted as edit history comments.
964 log_comment
varchar(255) NOT NULL default '',
966 -- LF separated list of miscellaneous parameters
967 log_params
blob NOT NULL default '',
969 KEY type_time (log_type
, log_timestamp
),
970 KEY user_time (log_user
, log_timestamp
),
971 KEY page_time (log_namespace
, log_title
, log_timestamp
),
972 KEY times (log_timestamp
)
976 CREATE TABLE /*$wgDBprefix*/trackbacks (
977 tb_id
int auto_increment
,
978 tb_page
int REFERENCES page(page_id
) ON DELETE CASCADE,
979 tb_title
varchar(255) NOT NULL,
980 tb_url
varchar(255) NOT NULL,
982 tb_name
varchar(255),
989 -- Jobs performed by parallel apache threads or a command-line daemon
990 CREATE TABLE /*$wgDBprefix*/job (
991 job_id
int(9) unsigned
NOT NULL auto_increment
,
993 -- Command name, currently only refreshLinks is defined
994 job_cmd
varchar(255) NOT NULL default '',
996 -- Namespace and title to act on
997 -- Should be 0 and '' if the command does not operate on a title
998 job_namespace
int NOT NULL,
999 job_title
varchar(255) binary NOT NULL,
1001 -- Any other parameters to the command
1002 -- Presently unused, format undefined
1003 job_params
blob NOT NULL default '',
1005 PRIMARY KEY job_id (job_id
),
1006 KEY (job_cmd
, job_namespace
, job_title
)
1010 -- Details of updates to cached special pages
1011 CREATE TABLE /*$wgDBprefix*/querycache_info (
1013 -- Special page name
1014 -- Corresponds to a qc_type value
1015 qci_type
varchar(32) NOT NULL default '',
1017 -- Timestamp of last update
1018 qci_timestamp
char(14) NOT NULL default '19700101000000',
1020 UNIQUE KEY ( qci_type
)
1024 -- For each redirect, this table contains exactly one row defining its target
1025 CREATE TABLE /*$wgDBprefix*/redirect (
1026 -- Key to the page_id of the redirect page
1027 rd_from
int(8) unsigned
NOT NULL default '0',
1029 -- Key to page_namespace/page_title of the target page.
1030 -- The target page may or may not exist, and due to renames
1031 -- and deletions may refer to different page records as time
1033 rd_namespace
int NOT NULL default '0',
1034 rd_title
varchar(255) binary NOT NULL default '',
1036 PRIMARY KEY rd_from (rd_from
),
1037 KEY rd_ns_title (rd_namespace
,rd_title
,rd_from
)
1040 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1041 CREATE TABLE /*$wgDBprefix*/querycachetwo (
1042 -- A key name, generally the base name of of the special page.
1043 qcc_type
char(32) NOT NULL,
1045 -- Some sort of stored value. Sizes, counts...
1046 qcc_value
int(5) unsigned
NOT NULL default '0',
1048 -- Target namespace+title
1049 qcc_namespace
int NOT NULL default '0',
1050 qcc_title
char(255) binary NOT NULL default '',
1052 -- Target namespace+title2
1053 qcc_namespacetwo
int NOT NULL default '0',
1054 qcc_titletwo
char(255) binary NOT NULL default '',
1056 KEY qcc_type (qcc_type
,qcc_value
),
1057 KEY qcc_title (qcc_type
,qcc_namespace
,qcc_title
),
1058 KEY qcc_titletwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
)
1062 -- vim: sw=2 sts=2 et