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 /*$wgDBprefix*/revision (
240 rev_id
int unsigned
NOT NULL auto_increment
,
242 -- Key to page_id. This should _never_ be invalid.
243 rev_page
int unsigned
NOT NULL,
245 -- Key to text.old_id, where the actual bulk text is stored.
246 -- It's possible for multiple revisions to use the same text,
247 -- for instance revisions where only metadata is altered
248 -- or a rollback to a previous version.
249 rev_text_id
int unsigned
NOT NULL,
251 -- Text comment summarizing the change.
252 -- This text is shown in the history and other changes lists,
253 -- rendered in a subset of wiki markup by Linker::formatComment()
254 rev_comment tinyblob
NOT NULL,
256 -- Key to user.user_id of the user who made this edit.
257 -- Stores 0 for anonymous edits and for some mass imports.
258 rev_user
int unsigned
NOT NULL default '0',
260 -- Text username or IP address of the editor.
261 rev_user_text
varchar(255) binary NOT NULL default '',
264 rev_timestamp
binary(14) NOT NULL default '',
266 -- Records whether the user marked the 'minor edit' checkbox.
267 -- Many automated edits are marked as minor.
268 rev_minor_edit tinyint unsigned
NOT NULL default '0',
270 -- Not yet used; reserved for future changes to the deletion system.
271 rev_deleted tinyint unsigned
NOT NULL default '0',
273 -- Length of this revision in bytes
274 rev_len
int unsigned
,
276 -- Key to revision.rev_id
277 -- This field is used to add support for a tree structure (The Adjacency List Model)
278 rev_parent_id
int unsigned
default NULL,
280 PRIMARY KEY rev_page_id (rev_page
, rev_id
),
281 UNIQUE INDEX rev_id (rev_id
),
282 INDEX rev_timestamp (rev_timestamp
),
283 INDEX page_timestamp (rev_page
,rev_timestamp
),
284 INDEX user_timestamp (rev_user
,rev_timestamp
),
285 INDEX usertext_timestamp (rev_user_text
,rev_timestamp
),
286 INDEX page_user_timestamp (rev_page
,rev_user
,rev_timestamp
)
288 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=1024;
289 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
292 -- Holds text of individual page revisions.
294 -- Field names are a holdover from the 'old' revisions table in
295 -- MediaWiki 1.4 and earlier: an upgrade will transform that
296 -- table into the 'text' table to minimize unnecessary churning
297 -- and downtime. If upgrading, the other fields will be left unused.
299 CREATE TABLE /*$wgDBprefix*/text (
300 -- Unique text storage key number.
301 -- Note that the 'oldid' parameter used in URLs does *not*
302 -- refer to this number anymore, but to rev_id.
304 -- revision.rev_text_id is a key to this column
305 old_id
int unsigned
NOT NULL auto_increment
,
307 -- Depending on the contents of the old_flags field, the text
308 -- may be convenient plain text, or it may be funkily encoded.
309 old_text mediumblob
NOT NULL,
311 -- Comma-separated list of flags:
312 -- gzip: text is compressed with PHP's gzdeflate() function.
313 -- utf8: text was stored as UTF-8.
314 -- If $wgLegacyEncoding option is on, rows *without* this flag
315 -- will be converted to UTF-8 transparently at load time.
316 -- object: text field contained a serialized PHP object.
317 -- The object either contains multiple versions compressed
318 -- together to achieve a better compression ratio, or it refers
319 -- to another row where the text can be found.
320 old_flags tinyblob
NOT NULL,
322 PRIMARY KEY old_id (old_id
)
324 ) /*$wgDBTableOptions*/ MAX_ROWS
=10000000 AVG_ROW_LENGTH
=10240;
325 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 4GB limit
328 -- Holding area for deleted articles, which may be viewed
329 -- or restored by admins through the Special:Undelete interface.
330 -- The fields generally correspond to the page, revision, and text
331 -- fields, with several caveats.
333 CREATE TABLE /*$wgDBprefix*/archive (
334 ar_namespace
int NOT NULL default '0',
335 ar_title
varchar(255) binary NOT NULL default '',
337 -- Newly deleted pages will not store text in this table,
338 -- but will reference the separately existing text rows.
339 -- This field is retained for backwards compatibility,
340 -- so old archived pages will remain accessible after
341 -- upgrading from 1.4 to 1.5.
342 -- Text may be gzipped or otherwise funky.
343 ar_text mediumblob
NOT NULL,
345 -- Basic revision stuff...
346 ar_comment tinyblob
NOT NULL,
347 ar_user
int unsigned
NOT NULL default '0',
348 ar_user_text
varchar(255) binary NOT NULL,
349 ar_timestamp
binary(14) NOT NULL default '',
350 ar_minor_edit tinyint
NOT NULL default '0',
353 ar_flags tinyblob
NOT NULL,
355 -- When revisions are deleted, their unique rev_id is stored
356 -- here so it can be retained after undeletion. This is necessary
357 -- to retain permalinks to given revisions after accidental delete
358 -- cycles or messy operations like history merges.
360 -- Old entries from 1.4 will be NULL here, and a new rev_id will
361 -- be created on undeletion for those revisions.
362 ar_rev_id
int unsigned
,
364 -- For newly deleted revisions, this is the text.old_id key to the
365 -- actual stored text. To avoid breaking the block-compression scheme
366 -- and otherwise making storage changes harder, the actual text is
367 -- *not* deleted from the text table, merely hidden by removal of the
368 -- page and revision entries.
370 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
371 -- ar_text and ar_flags fields will be used to create a new text
372 -- row upon undeletion.
373 ar_text_id
int unsigned
,
375 -- rev_deleted for archives
376 ar_deleted tinyint unsigned
NOT NULL default '0',
378 -- Length of this revision in bytes
381 -- Reference to page_id. Useful for sysadmin fixing of large pages
382 -- merged together in the archives, or for cleanly restoring a page
383 -- at its original ID number if possible.
385 -- Will be NULL for pages deleted prior to 1.11.
386 ar_page_id
int unsigned
,
388 KEY name_title_timestamp (ar_namespace
,ar_title
,ar_timestamp
),
389 KEY usertext_timestamp (ar_user_text
,ar_timestamp
)
391 ) /*$wgDBTableOptions*/;
395 -- Track page-to-page hyperlinks within the wiki.
397 CREATE TABLE /*$wgDBprefix*/pagelinks (
398 -- Key to the page_id of the page containing the link.
399 pl_from
int unsigned
NOT NULL default '0',
401 -- Key to page_namespace/page_title of the target page.
402 -- The target page may or may not exist, and due to renames
403 -- and deletions may refer to different page records as time
405 pl_namespace
int NOT NULL default '0',
406 pl_title
varchar(255) binary NOT NULL default '',
408 UNIQUE KEY pl_from (pl_from
,pl_namespace
,pl_title
),
409 KEY (pl_namespace
,pl_title
,pl_from
)
411 ) /*$wgDBTableOptions*/;
415 -- Track template inclusions.
417 CREATE TABLE /*$wgDBprefix*/templatelinks (
418 -- Key to the page_id of the page containing the link.
419 tl_from
int unsigned
NOT NULL default '0',
421 -- Key to page_namespace/page_title of the target page.
422 -- The target page may or may not exist, and due to renames
423 -- and deletions may refer to different page records as time
425 tl_namespace
int NOT NULL default '0',
426 tl_title
varchar(255) binary NOT NULL default '',
428 UNIQUE KEY tl_from (tl_from
,tl_namespace
,tl_title
),
429 KEY (tl_namespace
,tl_title
,tl_from
)
431 ) /*$wgDBTableOptions*/;
434 -- Track links to images *used inline*
435 -- We don't distinguish live from broken links here, so
436 -- they do not need to be changed on upload/removal.
438 CREATE TABLE /*$wgDBprefix*/imagelinks (
439 -- Key to page_id of the page containing the image / media link.
440 il_from
int unsigned
NOT NULL default '0',
442 -- Filename of target image.
443 -- This is also the page_title of the file's description page;
444 -- all such pages are in namespace 6 (NS_IMAGE).
445 il_to
varchar(255) binary NOT NULL default '',
447 UNIQUE KEY il_from (il_from
,il_to
),
450 ) /*$wgDBTableOptions*/;
453 -- Track category inclusions *used inline*
454 -- This tracks a single level of category membership
455 -- (folksonomic tagging, really).
457 CREATE TABLE /*$wgDBprefix*/categorylinks (
458 -- Key to page_id of the page defined as a category member.
459 cl_from
int unsigned
NOT NULL default '0',
461 -- Name of the category.
462 -- This is also the page_title of the category's description page;
463 -- all such pages are in namespace 14 (NS_CATEGORY).
464 cl_to
varchar(255) binary NOT NULL default '',
466 -- The title of the linking page, or an optional override
467 -- to determine sort order. Sorting is by binary order, which
468 -- isn't always ideal, but collations seem to be an exciting
469 -- and dangerous new world in MySQL... The sortkey is updated
470 -- if no override exists and cl_from is renamed.
472 -- Truncate so that the cl_sortkey key fits in 1000 bytes
473 -- (MyISAM 5 with server_character_set=utf8)
474 cl_sortkey
varchar(70) binary NOT NULL default '',
476 -- This isn't really used at present. Provided for an optional
477 -- sorting method by approximate addition time.
478 cl_timestamp
timestamp NOT NULL,
480 UNIQUE KEY cl_from (cl_from
,cl_to
),
482 -- We always sort within a given category...
483 KEY cl_sortkey (cl_to
,cl_sortkey
,cl_from
),
486 KEY cl_timestamp (cl_to
,cl_timestamp
)
488 ) /*$wgDBTableOptions*/;
491 -- Track links to external URLs
493 CREATE TABLE /*$wgDBprefix*/externallinks (
494 -- page_id of the referring page
495 el_from
int unsigned
NOT NULL default '0',
500 -- In the case of HTTP URLs, this is the URL with any username or password
501 -- removed, and with the labels in the hostname reversed and converted to
502 -- lower case. An extra dot is added to allow for matching of either
503 -- example.com or *.example.com in a single scan.
505 -- http://user:password@sub.example.com/page.html
507 -- http://com.example.sub./page.html
508 -- which allows for fast searching for all pages under example.com with the
510 -- WHERE el_index LIKE 'http://com.example.%'
511 el_index
blob NOT NULL,
513 KEY (el_from
, el_to(40)),
514 KEY (el_to(60), el_from
),
516 ) /*$wgDBTableOptions*/;
519 -- Track interlanguage links
521 CREATE TABLE /*$wgDBprefix*/langlinks (
522 -- page_id of the referring page
523 ll_from
int unsigned
NOT NULL default '0',
525 -- Language code of the target
526 ll_lang
varbinary(20) NOT NULL default '',
528 -- Title of the target, including namespace
529 ll_title
varchar(255) binary NOT NULL default '',
531 UNIQUE KEY (ll_from
, ll_lang
),
532 KEY (ll_lang
, ll_title
)
533 ) /*$wgDBTableOptions*/;
536 -- Contains a single row with some aggregate info
537 -- on the state of the site.
539 CREATE TABLE /*$wgDBprefix*/site_stats (
540 -- The single row should contain 1 here.
541 ss_row_id
int unsigned
NOT NULL,
543 -- Total number of page views, if hit counters are enabled.
544 ss_total_views
bigint unsigned
default '0',
546 -- Total number of edits performed.
547 ss_total_edits
bigint unsigned
default '0',
549 -- An approximate count of pages matching the following criteria:
552 -- * contains the text '[['
553 -- See Article::isCountable() in includes/Article.php
554 ss_good_articles
bigint unsigned
default '0',
556 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
557 ss_total_pages
bigint default '-1',
559 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
560 ss_users
bigint default '-1',
562 -- Deprecated, no longer updated as of 1.5
563 ss_admins
int default '-1',
565 -- Number of images, equivalent to SELECT COUNT(*) FROM image
566 ss_images
int default '0',
568 UNIQUE KEY ss_row_id (ss_row_id
)
570 ) /*$wgDBTableOptions*/;
573 -- Stores an ID for every time any article is visited;
574 -- depending on $wgHitcounterUpdateFreq, it is
575 -- periodically cleared and the page_counter column
576 -- in the page table updated for the all articles
577 -- that have been visited.)
579 CREATE TABLE /*$wgDBprefix*/hitcounter (
580 hc_id
int unsigned
NOT NULL
581 ) TYPE=HEAP MAX_ROWS
=25000;
585 -- The internet is full of jerks, alas. Sometimes it's handy
586 -- to block a vandal or troll account.
588 CREATE TABLE /*$wgDBprefix*/ipblocks (
589 -- Primary key, introduced for privacy.
590 ipb_id
int NOT NULL auto_increment
,
592 -- Blocked IP address in dotted-quad form or user name.
593 ipb_address tinyblob
NOT NULL,
595 -- Blocked user ID or 0 for IP blocks.
596 ipb_user
int unsigned
NOT NULL default '0',
598 -- User ID who made the block.
599 ipb_by
int unsigned
NOT NULL default '0',
601 -- Text comment made by blocker.
602 ipb_reason tinyblob
NOT NULL,
604 -- Creation (or refresh) date in standard YMDHMS form.
605 -- IP blocks expire automatically.
606 ipb_timestamp
binary(14) NOT NULL default '',
608 -- Indicates that the IP address was banned because a banned
609 -- user accessed a page through it. If this is 1, ipb_address
610 -- will be hidden, and the block identified by block ID number.
611 ipb_auto bool
NOT NULL default 0,
613 -- If set to 1, block applies only to logged-out users
614 ipb_anon_only bool
NOT NULL default 0,
616 -- Block prevents account creation from matching IP addresses
617 ipb_create_account bool
NOT NULL default 1,
619 -- Block triggers autoblocks
620 ipb_enable_autoblock bool
NOT NULL default '1',
622 -- Time at which the block will expire.
624 ipb_expiry
varbinary(14) NOT NULL default '',
626 -- Start and end of an address range, in hexadecimal
627 -- Size chosen to allow IPv6
628 ipb_range_start tinyblob
NOT NULL,
629 ipb_range_end tinyblob
NOT NULL,
631 -- Flag for entries hidden from users and Sysops
632 ipb_deleted bool
NOT NULL default 0,
634 -- Block prevents user from accessing Special:Emailuser
635 ipb_block_email bool
NOT NULL default 0,
637 PRIMARY KEY ipb_id (ipb_id
),
639 -- Unique index to support "user already blocked" messages
640 -- Any new options which prevent collisions should be included
641 UNIQUE INDEX ipb_address (ipb_address(255), ipb_user
, ipb_auto
, ipb_anon_only
),
643 INDEX ipb_user (ipb_user
),
644 INDEX ipb_range (ipb_range_start(8), ipb_range_end(8)),
645 INDEX ipb_timestamp (ipb_timestamp
),
646 INDEX ipb_expiry (ipb_expiry
)
648 ) /*$wgDBTableOptions*/;
652 -- Uploaded images and other files.
654 CREATE TABLE /*$wgDBprefix*/image (
656 -- This is also the title of the associated description page,
657 -- which will be in namespace 6 (NS_IMAGE).
658 img_name
varchar(255) binary NOT NULL default '',
660 -- File size in bytes.
661 img_size
int unsigned
NOT NULL default '0',
663 -- For images, size in pixels.
664 img_width
int NOT NULL default '0',
665 img_height
int NOT NULL default '0',
667 -- Extracted EXIF metadata stored as a serialized PHP array.
668 img_metadata mediumblob
NOT NULL,
670 -- For images, bits per pixel if known.
671 img_bits
int NOT NULL default '0',
673 -- Media type as defined by the MEDIATYPE_xxx constants
674 img_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
676 -- major part of a MIME media type as defined by IANA
677 -- see http://www.iana.org/assignments/media-types/
678 img_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
680 -- minor part of a MIME media type as defined by IANA
681 -- the minor parts are not required to adher to any standard
682 -- but should be consistent throughout the database
683 -- see http://www.iana.org/assignments/media-types/
684 img_minor_mime
varbinary(32) NOT NULL default "unknown",
686 -- Description field as entered by the uploader.
687 -- This is displayed in image upload history and logs.
688 img_description tinyblob
NOT NULL,
690 -- user_id and user_name of uploader.
691 img_user
int unsigned
NOT NULL default '0',
692 img_user_text
varchar(255) binary NOT NULL,
694 -- Time of the upload.
695 img_timestamp
varbinary(14) NOT NULL default '',
697 -- SHA-1 content hash in base-36
698 img_sha1
varbinary(32) NOT NULL default '',
700 PRIMARY KEY img_name (img_name
),
702 INDEX img_usertext_timestamp (img_user_text
,img_timestamp
),
703 -- Used by Special:Imagelist for sort-by-size
704 INDEX img_size (img_size
),
705 -- Used by Special:Newimages and Special:Imagelist
706 INDEX img_timestamp (img_timestamp
),
709 INDEX img_sha1 (img_sha1
)
712 ) /*$wgDBTableOptions*/;
715 -- Previous revisions of uploaded files.
716 -- Awkwardly, image rows have to be moved into
717 -- this table at re-upload time.
719 CREATE TABLE /*$wgDBprefix*/oldimage (
720 -- Base filename: key to image.img_name
721 oi_name
varchar(255) binary NOT NULL default '',
723 -- Filename of the archived file.
724 -- This is generally a timestamp and '!' prepended to the base name.
725 oi_archive_name
varchar(255) binary NOT NULL default '',
727 -- Other fields as in image...
728 oi_size
int unsigned
NOT NULL default 0,
729 oi_width
int NOT NULL default 0,
730 oi_height
int NOT NULL default 0,
731 oi_bits
int NOT NULL default 0,
732 oi_description tinyblob
NOT NULL,
733 oi_user
int unsigned
NOT NULL default '0',
734 oi_user_text
varchar(255) binary NOT NULL,
735 oi_timestamp
binary(14) NOT NULL default '',
737 oi_metadata mediumblob
NOT NULL,
738 oi_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
739 oi_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") NOT NULL default "unknown",
740 oi_minor_mime
varbinary(32) NOT NULL default "unknown",
741 oi_deleted tinyint unsigned
NOT NULL default '0',
742 oi_sha1
varbinary(32) NOT NULL default '',
744 INDEX oi_usertext_timestamp (oi_user_text
,oi_timestamp
),
745 INDEX oi_name_timestamp (oi_name
,oi_timestamp
),
746 -- oi_archive_name truncated to 14 to avoid key length overflow
747 INDEX oi_name_archive_name (oi_name
,oi_archive_name(14)),
748 INDEX oi_sha1 (oi_sha1
)
750 ) /*$wgDBTableOptions*/;
753 -- Record of deleted file data
755 CREATE TABLE /*$wgDBprefix*/filearchive (
757 fa_id
int NOT NULL auto_increment
,
759 -- Original base filename; key to image.img_name, page.page_title, etc
760 fa_name
varchar(255) binary NOT NULL default '',
762 -- Filename of archived file, if an old revision
763 fa_archive_name
varchar(255) binary default '',
765 -- Which storage bin (directory tree or object store) the file data
766 -- is stored in. Should be 'deleted' for files that have been deleted;
767 -- any other bin is not yet in use.
768 fa_storage_group
varbinary(16),
770 -- SHA-1 of the file contents plus extension, used as a key for storage.
771 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
773 -- If NULL, the file was missing at deletion time or has been purged
774 -- from the archival storage.
775 fa_storage_key
varbinary(64) default '',
777 -- Deletion information, if this file is deleted.
779 fa_deleted_timestamp
binary(14) default '',
780 fa_deleted_reason
text,
782 -- Duped fields from image
783 fa_size
int unsigned
default '0',
784 fa_width
int default '0',
785 fa_height
int default '0',
786 fa_metadata mediumblob
,
787 fa_bits
int default '0',
788 fa_media_type
ENUM("UNKNOWN", "BITMAP", "DRAWING", "AUDIO", "VIDEO", "MULTIMEDIA", "OFFICE", "TEXT", "EXECUTABLE", "ARCHIVE") default NULL,
789 fa_major_mime
ENUM("unknown", "application", "audio", "image", "text", "video", "message", "model", "multipart") default "unknown",
790 fa_minor_mime
varbinary(32) default "unknown",
791 fa_description tinyblob
,
792 fa_user
int unsigned
default '0',
793 fa_user_text
varchar(255) binary,
794 fa_timestamp
binary(14) default '',
796 -- Visibility of deleted revisions, bitfield
797 fa_deleted tinyint unsigned
NOT NULL default '0',
800 INDEX (fa_name
, fa_timestamp
), -- pick out by image name
801 INDEX (fa_storage_group
, fa_storage_key
), -- pick out dupe files
802 INDEX (fa_deleted_timestamp
), -- sort by deletion time
803 INDEX (fa_deleted_user
) -- sort by deleter
805 ) /*$wgDBTableOptions*/;
808 -- Primarily a summary table for Special:Recentchanges,
809 -- this table contains some additional info on edits from
810 -- the last few days, see Article::editUpdates()
812 CREATE TABLE /*$wgDBprefix*/recentchanges (
813 rc_id
int NOT NULL auto_increment
,
814 rc_timestamp
varbinary(14) NOT NULL default '',
815 rc_cur_time
varbinary(14) NOT NULL default '',
818 rc_user
int unsigned
NOT NULL default '0',
819 rc_user_text
varchar(255) binary NOT NULL,
821 -- When pages are renamed, their RC entries do _not_ change.
822 rc_namespace
int NOT NULL default '0',
823 rc_title
varchar(255) binary NOT NULL default '',
826 rc_comment
varchar(255) binary NOT NULL default '',
827 rc_minor tinyint unsigned
NOT NULL default '0',
829 -- Edits by user accounts with the 'bot' rights key are
830 -- marked with a 1 here, and will be hidden from the
832 rc_bot tinyint unsigned
NOT NULL default '0',
834 rc_new tinyint unsigned
NOT NULL default '0',
836 -- Key to page_id (was cur_id prior to 1.5).
837 -- This will keep links working after moves while
838 -- retaining the at-the-time name in the changes list.
839 rc_cur_id
int unsigned
NOT NULL default '0',
841 -- rev_id of the given revision
842 rc_this_oldid
int unsigned
NOT NULL default '0',
844 -- rev_id of the prior revision, for generating diff links.
845 rc_last_oldid
int unsigned
NOT NULL default '0',
847 -- These may no longer be used, with the new move log.
848 rc_type tinyint unsigned
NOT NULL default '0',
849 rc_moved_to_ns tinyint unsigned
NOT NULL default '0',
850 rc_moved_to_title
varchar(255) binary NOT NULL default '',
852 -- If the Recent Changes Patrol option is enabled,
853 -- users may mark edits as having been reviewed to
854 -- remove a warning flag on the RC list.
855 -- A value of 1 indicates the page has been reviewed.
856 rc_patrolled tinyint unsigned
NOT NULL default '0',
858 -- Recorded IP address the edit was made from, if the
859 -- $wgPutIPinRC option is enabled.
860 rc_ip
varbinary(40) NOT NULL default '',
862 -- Text length in characters before
863 -- and after the edit
867 -- Visibility of deleted revisions, bitfield
868 rc_deleted tinyint unsigned
NOT NULL default '0',
870 -- Value corresonding to log_id, specific log entries
871 rc_logid
int unsigned
NOT NULL default '0',
872 -- Store log type info here, or null
873 rc_log_type
varbinary(255) NULL default NULL,
874 -- Store log action or null
875 rc_log_action
varbinary(255) NULL default NULL,
879 PRIMARY KEY rc_id (rc_id
),
880 INDEX rc_timestamp (rc_timestamp
),
881 INDEX rc_namespace_title (rc_namespace
, rc_title
),
882 INDEX rc_cur_id (rc_cur_id
),
883 INDEX new_name_timestamp (rc_new
,rc_namespace
,rc_timestamp
),
885 INDEX rc_ns_usertext (rc_namespace
, rc_user_text
),
886 INDEX rc_user_text (rc_user_text
, rc_timestamp
),
887 INDEX rc_patrolling (rc_this_oldid
, rc_last_oldid
, rc_patrolled
)
889 ) /*$wgDBTableOptions*/;
891 CREATE TABLE /*$wgDBprefix*/watchlist (
892 -- Key to user.user_id
893 wl_user
int unsigned
NOT NULL,
895 -- Key to page_namespace/page_title
896 -- Note that users may watch pages which do not exist yet,
897 -- or existed in the past but have been deleted.
898 wl_namespace
int NOT NULL default '0',
899 wl_title
varchar(255) binary NOT NULL default '',
901 -- Timestamp when user was last sent a notification e-mail;
902 -- cleared when the user visits the page.
903 wl_notificationtimestamp
varbinary(14),
905 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
906 KEY namespace_title (wl_namespace
, wl_title
)
908 ) /*$wgDBTableOptions*/;
912 -- Used by the math module to keep track
913 -- of previously-rendered items.
915 CREATE TABLE /*$wgDBprefix*/math (
916 -- Binary MD5 hash of the latex fragment, used as an identifier key.
917 math_inputhash
varbinary(16) NOT NULL,
919 -- Not sure what this is, exactly...
920 math_outputhash
varbinary(16) NOT NULL,
922 -- texvc reports how well it thinks the HTML conversion worked;
923 -- if it's a low level the PNG rendering may be preferred.
924 math_html_conservativeness tinyint
NOT NULL,
926 -- HTML output from texvc, if any
929 -- MathML output from texvc, if any
932 UNIQUE KEY math_inputhash (math_inputhash
)
934 ) /*$wgDBTableOptions*/;
937 -- When using the default MySQL search backend, page titles
938 -- and text are munged to strip markup, do Unicode case folding,
939 -- and prepare the result for MySQL's fulltext index.
941 -- This table must be MyISAM; InnoDB does not support the needed
944 CREATE TABLE /*$wgDBprefix*/searchindex (
946 si_page
int unsigned
NOT NULL,
948 -- Munged version of title
949 si_title
varchar(255) NOT NULL default '',
951 -- Munged version of body text
952 si_text mediumtext
NOT NULL,
954 UNIQUE KEY (si_page
),
955 FULLTEXT
si_title (si_title
),
956 FULLTEXT
si_text (si_text
)
961 -- Recognized interwiki link prefixes
963 CREATE TABLE /*$wgDBprefix*/interwiki (
964 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
965 iw_prefix
varchar(32) NOT NULL,
967 -- The URL of the wiki, with "$1" as a placeholder for an article name.
968 -- Any spaces in the name will be transformed to underscores before
970 iw_url
blob NOT NULL,
972 -- A boolean value indicating whether the wiki is in this project
973 -- (used, for example, to detect redirect loops)
974 iw_local bool
NOT NULL,
976 -- Boolean value indicating whether interwiki transclusions are allowed.
977 iw_trans tinyint
NOT NULL default 0,
979 UNIQUE KEY iw_prefix (iw_prefix
)
981 ) /*$wgDBTableOptions*/;
984 -- Used for caching expensive grouped queries
986 CREATE TABLE /*$wgDBprefix*/querycache (
987 -- A key name, generally the base name of of the special page.
988 qc_type
varbinary(32) NOT NULL,
990 -- Some sort of stored value. Sizes, counts...
991 qc_value
int unsigned
NOT NULL default '0',
993 -- Target namespace+title
994 qc_namespace
int NOT NULL default '0',
995 qc_title
varchar(255) binary NOT NULL default '',
997 KEY (qc_type
,qc_value
)
999 ) /*$wgDBTableOptions*/;
1002 -- For a few generic cache operations if not using Memcached
1004 CREATE TABLE /*$wgDBprefix*/objectcache (
1005 keyname
varbinary(255) NOT NULL default '',
1008 UNIQUE KEY (keyname
),
1011 ) /*$wgDBTableOptions*/;
1014 -- Cache of interwiki transclusion
1016 CREATE TABLE /*$wgDBprefix*/transcache (
1017 tc_url
varbinary(255) NOT NULL,
1019 tc_time
int NOT NULL,
1020 UNIQUE INDEX tc_url_idx (tc_url
)
1021 ) /*$wgDBTableOptions*/;
1023 CREATE TABLE /*$wgDBprefix*/logging (
1024 -- Symbolic keys for the general log type and the action type
1025 -- within the log. The output format will be controlled by the
1026 -- action field, but only the type controls categorization.
1027 log_type
varbinary(10) NOT NULL default '',
1028 log_action
varbinary(10) NOT NULL default '',
1031 log_timestamp
binary(14) NOT NULL default '19700101000000',
1033 -- The user who performed this action; key to user_id
1034 log_user
int unsigned
NOT NULL default 0,
1036 -- Key to the page affected. Where a user is the target,
1037 -- this will point to the user page.
1038 log_namespace
int NOT NULL default 0,
1039 log_title
varchar(255) binary NOT NULL default '',
1041 -- Freeform text. Interpreted as edit history comments.
1042 log_comment
varchar(255) NOT NULL default '',
1044 -- LF separated list of miscellaneous parameters
1045 log_params
blob NOT NULL,
1047 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1048 log_id
int unsigned
NOT NULL auto_increment
,
1050 -- rev_deleted for logs
1051 log_deleted tinyint unsigned
NOT NULL default '0',
1053 PRIMARY KEY log_id (log_id
),
1054 KEY type_time (log_type
, log_timestamp
),
1055 KEY user_time (log_user
, log_timestamp
),
1056 KEY page_time (log_namespace
, log_title
, log_timestamp
),
1057 KEY times (log_timestamp
)
1059 ) /*$wgDBTableOptions*/;
1061 CREATE TABLE /*$wgDBprefix*/trackbacks (
1062 tb_id
int auto_increment
,
1063 tb_page
int REFERENCES page(page_id
) ON DELETE CASCADE,
1064 tb_title
varchar(255) NOT NULL,
1065 tb_url
blob NOT NULL,
1067 tb_name
varchar(255),
1069 PRIMARY KEY (tb_id
),
1071 ) /*$wgDBTableOptions*/;
1074 -- Jobs performed by parallel apache threads or a command-line daemon
1075 CREATE TABLE /*$wgDBprefix*/job (
1076 job_id
int unsigned
NOT NULL auto_increment
,
1079 -- Limited to 60 to prevent key length overflow
1080 job_cmd
varbinary(60) NOT NULL default '',
1082 -- Namespace and title to act on
1083 -- Should be 0 and '' if the command does not operate on a title
1084 job_namespace
int NOT NULL,
1085 job_title
varchar(255) binary NOT NULL,
1087 -- Any other parameters to the command
1088 -- Presently unused, format undefined
1089 job_params
blob NOT NULL,
1091 PRIMARY KEY job_id (job_id
),
1092 KEY (job_cmd
, job_namespace
, job_title
)
1093 ) /*$wgDBTableOptions*/;
1096 -- Details of updates to cached special pages
1097 CREATE TABLE /*$wgDBprefix*/querycache_info (
1099 -- Special page name
1100 -- Corresponds to a qc_type value
1101 qci_type
varbinary(32) NOT NULL default '',
1103 -- Timestamp of last update
1104 qci_timestamp
binary(14) NOT NULL default '19700101000000',
1106 UNIQUE KEY ( qci_type
)
1108 ) /*$wgDBTableOptions*/;
1110 -- For each redirect, this table contains exactly one row defining its target
1111 CREATE TABLE /*$wgDBprefix*/redirect (
1112 -- Key to the page_id of the redirect page
1113 rd_from
int unsigned
NOT NULL default '0',
1115 -- Key to page_namespace/page_title of the target page.
1116 -- The target page may or may not exist, and due to renames
1117 -- and deletions may refer to different page records as time
1119 rd_namespace
int NOT NULL default '0',
1120 rd_title
varchar(255) binary NOT NULL default '',
1122 PRIMARY KEY rd_from (rd_from
),
1123 KEY rd_ns_title (rd_namespace
,rd_title
,rd_from
)
1124 ) /*$wgDBTableOptions*/;
1126 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1127 CREATE TABLE /*$wgDBprefix*/querycachetwo (
1128 -- A key name, generally the base name of of the special page.
1129 qcc_type
varbinary(32) NOT NULL,
1131 -- Some sort of stored value. Sizes, counts...
1132 qcc_value
int unsigned
NOT NULL default '0',
1134 -- Target namespace+title
1135 qcc_namespace
int NOT NULL default '0',
1136 qcc_title
varchar(255) binary NOT NULL default '',
1138 -- Target namespace+title2
1139 qcc_namespacetwo
int NOT NULL default '0',
1140 qcc_titletwo
varchar(255) binary NOT NULL default '',
1142 KEY qcc_type (qcc_type
,qcc_value
),
1143 KEY qcc_title (qcc_type
,qcc_namespace
,qcc_title
),
1144 KEY qcc_titletwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
)
1146 ) /*$wgDBTableOptions*/;
1148 -- Used for storing page restrictions (i.e. protection levels)
1149 CREATE TABLE /*$wgDBprefix*/page_restrictions (
1150 -- Page to apply restrictions to (Foreign Key to page).
1151 pr_page
int NOT NULL,
1152 -- The protection type (edit, move, etc)
1153 pr_type
varbinary(60) NOT NULL,
1154 -- The protection level (Sysop, autoconfirmed, etc)
1155 pr_level
varbinary(60) NOT NULL,
1156 -- Whether or not to cascade the protection down to pages transcluded.
1157 pr_cascade tinyint
NOT NULL,
1158 -- Field for future support of per-user restriction.
1160 -- Field for time-limited protection.
1161 pr_expiry
varbinary(14) NULL,
1162 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1163 pr_id
int unsigned
NOT NULL auto_increment
,
1165 PRIMARY KEY pr_pagetype (pr_page
,pr_type
),
1167 UNIQUE KEY pr_id (pr_id
),
1168 KEY pr_typelevel (pr_type
,pr_level
),
1169 KEY pr_level (pr_level
),
1170 KEY pr_cascade (pr_cascade
)
1171 ) /*$wgDBTableOptions*/;
1173 -- vim: sw=2 sts=2 et