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 PostgreSQL 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. (Conflicts?)
58 user_name
varchar(255) binary NOT NULL default '',
60 -- Optional 'real name' to be displayed in credit listings
61 user_real_name
varchar(255) binary NOT NULL default '',
63 -- Password hashes, normally hashed like so:
64 -- MD5(CONCAT(user_id,'-',MD5(plaintext_password)))
65 user_password tinyblob
NOT NULL default '',
67 -- When using 'mail me a new password', a random
68 -- password is generated and the hash stored here.
69 -- The previous password is left in place until
70 -- someone actually logs in with the new password,
71 -- at which point the hash is moved to user_password
72 -- and the old password is invalidated.
73 user_newpassword tinyblob
NOT NULL default '',
75 -- Note: email should be restricted, not public info.
76 -- Same with passwords.
77 user_email tinytext
NOT NULL default '',
79 -- Newline-separated list of name=value pairs.
80 user_options
blob NOT NULL default '',
82 -- This is a timestamp which is updated when a user
83 -- logs in, logs out, changes preferences, or performs
84 -- some other action requiring HTML cache invalidation
85 -- to ensure that the UI is updated.
86 user_touched
char(14) binary NOT NULL default '',
88 -- A pseudorandomly generated value that is stored in
89 -- a cookie when the "remember password" feature is
90 -- used (previously, a hash of the password was used, but
91 -- this was vulnerable to cookie-stealing attacks)
92 user_token
char(32) binary NOT NULL default '',
94 -- Initially NULL; when a user's e-mail address has been
95 -- validated by returning with a mailed token, this is
96 -- set to the current timestamp.
97 user_email_authenticated
CHAR(14) BINARY,
99 -- Randomly generated token created when the e-mail address
100 -- is set and a confirmation test mail sent.
101 user_email_token
CHAR(32) BINARY,
103 -- Expiration date for the
104 user_email_token_expires
CHAR(14) BINARY,
106 PRIMARY KEY user_id (user_id
),
107 INDEX user_name (user_name(10)),
108 INDEX (user_email_token
)
113 -- User permissions have been broken out to a separate table;
114 -- this allows sites with a shared user table to have different
115 -- permissions assigned to a user in each project.
117 -- TODO: de-blob this; it should be a property table
119 CREATE TABLE /*$wgDBprefix*/user_rights (
121 ur_user
int(5) unsigned
NOT NULL,
123 -- Comma-separated list of permission keys
124 ur_rights tinyblob
NOT NULL default '',
126 UNIQUE KEY ur_user (ur_user
)
130 -- The following table is no longer needed with Enotif >= 2.00
131 -- Entries for newtalk on user_talk page are handled like in the watchlist table
132 -- CREATE TABLE /*$wgDBprefix*/user_newtalk (
133 -- user_id int(5) NOT NULL default '0',
134 -- user_ip varchar(40) NOT NULL default '',
135 -- INDEX user_id (user_id),
136 -- INDEX user_ip (user_ip)
141 -- Core of the wiki: each page has an entry here which identifies
142 -- it by title and contains some essential metadata.
144 CREATE TABLE /*$wgDBprefix*/page (
145 -- Unique identifier number. The page_id will be preserved across
146 -- edits and rename operations, but not deletions and recreations.
147 page_id
int(8) unsigned
NOT NULL auto_increment
,
149 -- A page name is broken into a namespace and a title.
150 -- The namespace keys are UI-language-independent constants,
151 -- defined in Namespace.php.
152 page_namespace
int NOT NULL,
154 -- The rest of the title, as text.
155 -- Spaces are transformed into underscores in title storage.
156 page_title
varchar(255) binary NOT NULL,
158 -- Comma-separated set of permission keys indicating who
159 -- can move or edit the page.
160 page_restrictions tinyblob
NOT NULL default '',
162 -- Number of times this page has been viewed.
163 page_counter
bigint(20) unsigned
NOT NULL default '0',
165 -- 1 indicates the article is a redirect.
166 page_is_redirect
tinyint(1) unsigned
NOT NULL default '0',
168 -- 1 indicates this is a new entry, with only one edit.
169 -- Not all pages with one edit are new pages.
170 page_is_new
tinyint(1) unsigned
NOT NULL default '0',
172 -- Random value between 0 and 1, used for Special:Randompage
173 page_random
real unsigned
NOT NULL,
175 -- This timestamp is updated whenever the page changes in
176 -- a way requiring it to be re-rendered, invalidating caches.
177 -- Aside from editing this includes permission changes,
178 -- creation or deletion of linked pages, and alteration
179 -- of contained templates.
180 page_touched
char(14) binary NOT NULL default '',
182 -- Handy key to revision.rev_id of the current revision.
183 -- This may be 0 during page creation, but that shouldn't
184 -- happen outside of a transaction... hopefully.
185 page_latest
int(8) unsigned
NOT NULL,
187 -- Uncompressed length in bytes of the page's current source text.
188 page_len
int(8) unsigned
NOT NULL,
190 PRIMARY KEY page_id (page_id
),
191 UNIQUE INDEX name_title (page_namespace
,page_title
),
193 -- Special-purpose indexes
200 -- Every edit of a page creates also a revision row.
201 -- This stores metadata about the revision, and a reference
202 -- to the text storage backend.
204 CREATE TABLE /*$wgDBprefix*/revision (
205 rev_id
int(8) unsigned
NOT NULL auto_increment
,
207 -- Key to page_id. This should _never_ be invalid.
208 rev_page
int(8) unsigned
NOT NULL,
210 -- Key to text.old_id, where the actual bulk text is stored.
211 -- It's possible for multiple revisions to use the same text,
212 -- for instance revisions where only metadata is altered
213 -- or a rollback to a previous version.
214 rev_text_id
int(8) unsigned
NOT NULL,
216 -- Text comment summarizing the change.
217 -- This text is shown in the history and other changes lists,
218 -- rendered in a subset of wiki markup.
219 rev_comment tinyblob
NOT NULL default '',
221 -- Key to user_id of the user who made this edit.
222 -- Stores 0 for anonymous edits and for some mass imports.
223 rev_user
int(5) unsigned
NOT NULL default '0',
225 -- Text username or IP address of the editor.
226 rev_user_text
varchar(255) binary NOT NULL default '',
229 rev_timestamp
char(14) binary NOT NULL default '',
231 -- Records whether the user marked the 'minor edit' checkbox.
232 -- Many automated edits are marked as minor.
233 rev_minor_edit
tinyint(1) unsigned
NOT NULL default '0',
235 -- Not yet used; reserved for future changes to the deletion system.
236 rev_deleted
tinyint(1) unsigned
NOT NULL default '0',
238 PRIMARY KEY rev_page_id (rev_page
, rev_id
),
239 UNIQUE INDEX rev_id (rev_id
),
240 INDEX rev_timestamp (rev_timestamp
),
241 INDEX page_timestamp (rev_page
,rev_timestamp
),
242 INDEX user_timestamp (rev_user
,rev_timestamp
),
243 INDEX usertext_timestamp (rev_user_text
,rev_timestamp
)
249 -- Holds text of individual page revisions.
251 -- Field names are a holdover from the 'old' revisions table in
252 -- MediaWiki 1.4 and earlier: an upgrade will transform that
253 -- table into the 'text' table to minimize unnecessary churning
254 -- and downtime. If upgrading, the other fields will be left unused.
256 CREATE TABLE /*$wgDBprefix*/text (
257 -- Unique text storage key number.
258 -- Note that the 'oldid' parameter used in URLs does *not*
259 -- refer to this number anymore, but to rev_id.
260 old_id
int(8) unsigned
NOT NULL auto_increment
,
262 -- Depending on the contents of the old_flags field, the text
263 -- may be convenient plain text, or it may be funkily encoded.
264 old_text mediumtext
NOT NULL default '',
266 -- Comma-separated list of flags:
267 -- gzip: text is compressed with PHP's gzdeflate() function.
268 -- utf8: text was stored as UTF-8.
269 -- If $wgLegacyEncoding option is on, rows *without* this flag
270 -- will be converted to UTF-8 transparently at load time.
271 -- object: text field contained a serialized PHP object.
272 -- The object either contains multiple versions compressed
273 -- together to achieve a better compression ratio, or it refers
274 -- to another row where the text can be found.
275 old_flags tinyblob
NOT NULL default '',
277 PRIMARY KEY old_id (old_id
)
282 -- Holding area for deleted articles, which may be viewed
283 -- or restored by admins through the Special:Undelete interface.
284 -- The fields generally correspond to the page, revision, and text
285 -- fields, with several caveats.
287 CREATE TABLE /*$wgDBprefix*/archive (
288 ar_namespace
int NOT NULL default '0',
289 ar_title
varchar(255) binary NOT NULL default '',
291 -- Newly deleted pages will not store text in this table,
292 -- but will reference the separately existing text rows.
293 -- This field is retained for backwards compatibility,
294 -- so old archived pages will remain accessible after
295 -- upgrading from 1.4 to 1.5.
296 ar_text mediumtext
NOT NULL default '',
298 -- Basic revision stuff...
299 ar_comment tinyblob
NOT NULL default '',
300 ar_user
int(5) unsigned
NOT NULL default '0',
301 ar_user_text
varchar(255) binary NOT NULL,
302 ar_timestamp
char(14) binary NOT NULL default '',
303 ar_minor_edit
tinyint(1) NOT NULL default '0',
306 ar_flags tinyblob
NOT NULL default '',
308 -- When revisions are deleted, their unique rev_id is stored
309 -- here so it can be retained after undeletion. This is necessary
310 -- to retain permalinks to given revisions after accidental delete
311 -- cycles or messy operations like history merges.
313 -- Old entries from 1.4 will be NULL here, and a new rev_id will
314 -- be created on undeletion for those revisions.
315 ar_rev_id
int(8) unsigned
,
317 -- For newly deleted revisions, this is the text.old_id key to the
318 -- actual stored text. To avoid breaking the block-compression scheme
319 -- and otherwise making storage changes harder, the actual text is
320 -- *not* deleted from the text table, merely hidden by removal of the
321 -- page and revision entries.
323 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
324 -- ar_text and ar_flags fields will be used to create a new text
325 -- row upon undeletion.
326 ar_text_id
int(8) unsigned
,
328 KEY name_title_timestamp (ar_namespace
,ar_title
,ar_timestamp
)
333 -- Track links within the wiki that do exist.
334 -- These rows must be removed when the target page is
335 -- deleted, and replaced with brokenlinks entries.
336 -- They must also be updated if a target page is renamed.
338 CREATE TABLE /*$wgDBprefix*/links (
339 -- Key to the page_id of the page containing the link.
340 l_from
int(8) unsigned
NOT NULL default '0',
342 -- Key to the page_id of the link target.
343 -- An unfortunate consequence of this is that rename
344 -- operations require changing the links entries for
345 -- all links to the moved page.
346 l_to
int(8) unsigned
NOT NULL default '0',
348 UNIQUE KEY l_from(l_from
,l_to
),
354 -- Track links to pages that don't yet exist.
355 -- These rows must be removed when the target page
356 -- is created, and replaced with links table entries.
358 CREATE TABLE /*$wgDBprefix*/brokenlinks (
359 -- Key to the page_id of the page containing the link.
360 bl_from
int(8) unsigned
NOT NULL default '0',
362 -- Text of the target page title ("namesapce:title").
363 -- Unfortunately this doesn't split the namespace index
364 -- key and therefore can't easily be joined to anything.
365 bl_to
varchar(255) binary NOT NULL default '',
366 UNIQUE KEY bl_from(bl_from
,bl_to
),
372 -- Track links to images *used inline*
373 -- We don't distinguish live from broken links here, so
374 -- they do not need to be changed on upload/removal.
376 CREATE TABLE /*$wgDBprefix*/imagelinks (
377 -- Key to page_id of the page containing the image / media link.
378 il_from
int(8) unsigned
NOT NULL default '0',
380 -- Filename of target image.
381 -- This is also the page_title of the file's description page;
382 -- all such pages are in namespace 6 (NS_IMAGE).
383 il_to
varchar(255) binary NOT NULL default '',
385 UNIQUE KEY il_from(il_from
,il_to
),
391 -- Track category inclusions *used inline*
392 -- This tracks a single level of category membership
393 -- (folksonomic tagging, really).
395 CREATE TABLE /*$wgDBprefix*/categorylinks (
396 -- Key to page_id of the page defined as a category member.
397 cl_from
int(8) unsigned
NOT NULL default '0',
399 -- Name of the category.
400 -- This is also the page_title of the category's description page;
401 -- all such pages are in namespace 14 (NS_CATEGORY).
402 cl_to
varchar(255) binary NOT NULL default '',
404 -- The title of the linking page, or an optional override
405 -- to determine sort order. Sorting is by binary order, which
406 -- isn't always ideal, but collations seem to be an exciting
407 -- and dangerous new world in MySQL...
408 cl_sortkey
varchar(255) binary NOT NULL default '',
410 -- This isn't really used at present. Provided for an optional
411 -- sorting method by approximate addition time.
412 cl_timestamp
timestamp NOT NULL,
414 UNIQUE KEY cl_from(cl_from
,cl_to
),
416 -- This key is trouble. It's incomplete, AND it's too big
417 -- when collation is set to UTF-8. Bleeeacch!
418 KEY cl_sortkey(cl_to
,cl_sortkey(128)),
421 KEY cl_timestamp(cl_to
,cl_timestamp
)
426 -- Stores (possibly gzipped) serialized objects with
427 -- cache arrays to reduce database load slurping up
428 -- from links and brokenlinks.
430 CREATE TABLE /*$wgDBprefix*/linkscc (
431 lcc_pageid
INT UNSIGNED
NOT NULL UNIQUE KEY,
432 lcc_cacheobj MEDIUMBLOB
NOT NULL
437 -- Contains a single row with some aggregate info
438 -- on the state of the site.
440 CREATE TABLE /*$wgDBprefix*/site_stats (
441 -- The single row should contain 1 here.
442 ss_row_id
int(8) unsigned
NOT NULL,
444 -- Total number of page views, if hit counters are enabled.
445 ss_total_views
bigint(20) unsigned
default '0',
447 -- Total number of edits performed.
448 ss_total_edits
bigint(20) unsigned
default '0',
450 -- An approximate count of pages matching the following criteria:
453 -- * contains the text '[['
454 -- See isCountable() in includes/Article.php
455 ss_good_articles
bigint(20) unsigned
default '0',
457 UNIQUE KEY ss_row_id (ss_row_id
)
462 -- Stores an ID for every time any article is visited;
463 -- depending on $wgHitcounterUpdateFreq, it is
464 -- periodically cleared and the cur_counter column
465 -- in the cur table updated for the all articles
466 -- that have been visited.)
468 CREATE TABLE /*$wgDBprefix*/hitcounter (
469 hc_id
INTEGER UNSIGNED
NOT NULL
470 ) TYPE=HEAP MAX_ROWS
=25000;
474 -- The internet is full of jerks, alas. Sometimes it's handy
475 -- to block a vandal or troll account.
477 CREATE TABLE /*$wgDBprefix*/ipblocks (
478 -- Primary key, introduced for privacy.
479 ipb_id
int(8) NOT NULL auto_increment
,
481 -- Blocked IP address in dotted-quad form or user name.
482 ipb_address
varchar(40) binary NOT NULL default '',
484 -- Blocked user ID or 0 for IP blocks.
485 ipb_user
int(8) unsigned
NOT NULL default '0',
487 -- User ID who made the block.
488 ipb_by
int(8) unsigned
NOT NULL default '0',
490 -- Text comment made by blocker.
491 ipb_reason tinyblob
NOT NULL default '',
493 -- Creation (or refresh) date in standard YMDHMS form.
494 -- IP blocks expire automatically.
495 ipb_timestamp
char(14) binary NOT NULL default '',
497 -- Indicates that the IP address was banned because a banned
498 -- user accessed a page through it. If this is 1, ipb_address
499 -- will be hidden, and the block identified by block ID number.
500 ipb_auto
tinyint(1) NOT NULL default '0',
502 -- Time at which the block will expire.
503 ipb_expiry
char(14) binary NOT NULL default '',
505 PRIMARY KEY ipb_id (ipb_id
),
506 INDEX ipb_address (ipb_address
),
507 INDEX ipb_user (ipb_user
)
513 -- Uploaded images and other files.
515 CREATE TABLE /*$wgDBprefix*/image (
517 -- This is also the title of the associated description page,
518 -- which will be in namespace 6 (NS_IMAGE).
519 img_name
varchar(255) binary NOT NULL default '',
521 -- File size in bytes.
522 img_size
int(8) unsigned
NOT NULL default '0',
524 -- For images, size in pixels.
525 img_width
int(5) NOT NULL default '0',
526 img_height
int(5) NOT NULL default '0',
528 -- Extracted EXIF metadata stored as a serialized PHP array.
529 img_metadata mediumblob
NOT NULL,
531 -- For images, bits per pixel if known.
532 img_bits
int(3) NOT NULL default '0',
534 -- File type key returned by getimagesize().
535 -- See http://www.php.net/getimagesize for possible values.
536 img_type
int(3) NOT NULL default '0',
538 -- Description field as entered by the uploader.
539 -- This is displayed in image upload history and logs.
540 img_description tinyblob
NOT NULL default '',
542 -- user_id and user_name of uploader.
543 img_user
int(5) unsigned
NOT NULL default '0',
544 img_user_text
varchar(255) binary NOT NULL default '',
546 -- Time of the upload.
547 img_timestamp
char(14) binary NOT NULL default '',
549 PRIMARY KEY img_name (img_name
),
551 -- Used by Special:Imagelist for sort-by-size
552 INDEX img_size (img_size
),
554 -- Used by Special:Newimages and Special:Imagelist
555 INDEX img_timestamp (img_timestamp
)
560 -- Previous revisions of uploaded files.
561 -- Awkwardly, image rows have to be moved into
562 -- this table at re-upload time.
564 CREATE TABLE /*$wgDBprefix*/oldimage (
565 -- Base filename: key to image.img_name
566 oi_name
varchar(255) binary NOT NULL default '',
568 -- Filename of the archived file.
569 -- This is generally a timestamp and '!' prepended to the base name.
570 oi_archive_name
varchar(255) binary NOT NULL default '',
572 -- Other fields as in image...
573 oi_size
int(8) unsigned
NOT NULL default 0,
574 oi_width
int(5) NOT NULL default 0,
575 oi_height
int(5) NOT NULL default 0,
576 oi_bits
int(3) NOT NULL default 0,
577 oi_type
int(3) NOT NULL default 0,
578 oi_description tinyblob
NOT NULL default '',
579 oi_user
int(5) unsigned
NOT NULL default '0',
580 oi_user_text
varchar(255) binary NOT NULL default '',
581 oi_timestamp
char(14) binary NOT NULL default '',
583 INDEX oi_name (oi_name(10))
589 -- Primarily a summary table for Special:Recentchanges,
590 -- this table contains some additional info on edits from
591 -- the last few days.
593 CREATE TABLE /*$wgDBprefix*/recentchanges (
594 rc_id
int(8) NOT NULL auto_increment
,
595 rc_timestamp
varchar(14) binary NOT NULL default '',
596 rc_cur_time
varchar(14) binary NOT NULL default '',
599 rc_user
int(10) unsigned
NOT NULL default '0',
600 rc_user_text
varchar(255) binary NOT NULL default '',
602 -- When pages are renamed, their RC entries do _not_ change.
603 rc_namespace
int NOT NULL default '0',
604 rc_title
varchar(255) binary NOT NULL default '',
607 rc_comment
varchar(255) binary NOT NULL default '',
608 rc_minor
tinyint(3) unsigned
NOT NULL default '0',
610 -- Edits by user accounts with the 'bot' rights key are
611 -- marked with a 1 here, and will be hidden from the
613 rc_bot
tinyint(3) unsigned
NOT NULL default '0',
615 rc_new
tinyint(3) unsigned
NOT NULL default '0',
617 -- Key to page_id (was cur_id prior to 1.5).
618 -- This will keep links working after moves while
619 -- retaining the at-the-time name in the changes list.
620 rc_cur_id
int(10) unsigned
NOT NULL default '0',
622 -- rev_id of the given revision
623 rc_this_oldid
int(10) unsigned
NOT NULL default '0',
625 -- rev_id of the prior revision, for generating diff links.
626 rc_last_oldid
int(10) unsigned
NOT NULL default '0',
628 -- These may no longer be used, with the new move log.
629 rc_type
tinyint(3) unsigned
NOT NULL default '0',
630 rc_moved_to_ns
tinyint(3) unsigned
NOT NULL default '0',
631 rc_moved_to_title
varchar(255) binary NOT NULL default '',
633 -- If the Recent Changes Patrol option is enabled,
634 -- users may mark edits as having been reviewed to
635 -- remove a warning flag on the RC list.
636 -- A value of 1 indicates the page has been reviewed.
637 rc_patrolled
tinyint(3) unsigned
NOT NULL default '0',
639 -- Recorded IP address the edit was made from, if the
640 -- $wgPutIPinRC option is enabled.
641 rc_ip
char(15) NOT NULL default '',
643 PRIMARY KEY rc_id (rc_id
),
644 INDEX rc_timestamp (rc_timestamp
),
645 INDEX rc_namespace_title (rc_namespace
, rc_title
),
646 INDEX rc_cur_id (rc_cur_id
),
647 INDEX new_name_timestamp(rc_new
,rc_namespace
,rc_timestamp
),
652 CREATE TABLE /*$wgDBprefix*/watchlist (
654 wl_user
int(5) unsigned
NOT NULL,
656 -- Key to page_namespace/page_title
657 -- Note that users may watch patches which do not exist yet,
658 -- or existed in the past but have been deleted.
659 wl_namespace
int NOT NULL default '0',
660 wl_title
varchar(255) binary NOT NULL default '',
662 -- Timestamp when user was last sent a notification e-mail;
663 -- cleared when the user visits the page.
664 -- FIXME: add proper null support etc
665 wl_notificationtimestamp
varchar(14) binary NOT NULL default '0',
667 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
668 KEY namespace_title (wl_namespace
,wl_title
)
674 -- Used by texvc math-rendering extension to keep track
675 -- of previously-rendered items.
677 CREATE TABLE /*$wgDBprefix*/math (
678 -- Binary MD5 hash of the latex fragment, used as an identifier key.
679 math_inputhash
varchar(16) NOT NULL,
681 -- Not sure what this is, exactly...
682 math_outputhash
varchar(16) NOT NULL,
684 -- texvc reports how well it thinks the HTML conversion worked;
685 -- if it's a low level the PNG rendering may be preferred.
686 math_html_conservativeness
tinyint(1) NOT NULL,
688 -- HTML output from texvc, if any
691 -- MathML output from texvc, if any
694 UNIQUE KEY math_inputhash (math_inputhash
)
699 -- When using the default MySQL search backend, page titles
700 -- and text are munged to strip markup, do Unicode case folding,
701 -- and prepare the result for MySQL's fulltext index.
703 -- This table must be MyISAM; InnoDB does not support the needed
706 CREATE TABLE /*$wgDBprefix*/searchindex (
708 si_page
int(8) unsigned
NOT NULL,
710 -- Munged version of title
711 si_title
varchar(255) NOT NULL default '',
713 -- Munged version of body text
714 si_text mediumtext
NOT NULL default '',
716 UNIQUE KEY (si_page
),
717 FULLTEXT
si_title (si_title
),
718 FULLTEXT
si_text (si_text
)
723 -- Recognized interwiki link prefixes
725 CREATE TABLE /*$wgDBprefix*/interwiki (
726 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
727 iw_prefix
char(32) NOT NULL,
729 -- The URL of the wiki, with "$1" as a placeholder for an article name.
730 -- Any spaces in the name will be transformed to underscores before
732 iw_url
char(127) NOT NULL,
734 -- A boolean value indicating whether the wiki is in this project
735 -- (used, for example, to detect redirect loops)
736 iw_local BOOL
NOT NULL,
738 UNIQUE KEY iw_prefix (iw_prefix
)
743 -- Used for caching expensive grouped queries
745 CREATE TABLE /*$wgDBprefix*/querycache (
746 -- A key name, generally the base name of of the special page.
747 qc_type
char(32) NOT NULL,
749 -- Some sort of stored value. Sizes, counts...
750 qc_value
int(5) unsigned
NOT NULL default '0',
752 -- Target namespace+title
753 qc_namespace
int NOT NULL default '0',
754 qc_title
char(255) binary NOT NULL default '',
756 KEY (qc_type
,qc_value
)
761 -- For a few generic cache operations if not using Memcached
763 CREATE TABLE /*$wgDBprefix*/objectcache (
764 keyname
char(255) binary not null default '',
767 unique key (keyname
),
772 -- For article validation
773 CREATE TABLE /*$wgDBprefix*/validate (
774 `val_user`
int(11) NOT NULL default '0',
775 `val_page`
int(11) unsigned
NOT NULL default '0',
776 `val_revision`
int(11) unsigned
NOT NULL default '0',
777 `val_type`
int(11) unsigned
NOT NULL default '0',
778 `val_value`
int(11) default '0',
779 `val_comment`
varchar(255) NOT NULL default '',
780 KEY `val_user`
(`val_user`
,`val_revision`
)
784 CREATE TABLE /*$wgDBprefix*/logging (
785 -- Symbolic keys for the general log type and the action type
786 -- within the log. The output format will be controlled by the
787 -- action field, but only the type controls categorization.
788 log_type
char(10) NOT NULL default '',
789 log_action
char(10) NOT NULL default '',
792 log_timestamp
char(14) NOT NULL default '19700101000000',
794 -- The user who performed this action; key to user_id
795 log_user
int unsigned
NOT NULL default 0,
797 -- Key to the page affected. Where a user is the target,
798 -- this will point to the user page.
799 log_namespace
int NOT NULL default 0,
800 log_title
varchar(255) binary NOT NULL default '',
802 -- Freeform text. Interpreted as edit history comments.
803 log_comment
varchar(255) NOT NULL default '',
805 -- LF separated list of miscellaneous parameters
806 log_params
blob NOT NULL default '',
808 KEY type_time (log_type
, log_timestamp
),
809 KEY user_time (log_user
, log_timestamp
),
810 KEY page_time (log_namespace
, log_title
, log_timestamp
)
818 -- Hold group name and description
819 CREATE TABLE /*$wgDBprefix*/groups (
820 gr_id
int(5) unsigned
NOT NULL auto_increment
,
821 gr_name
varchar(50) NOT NULL default '',
822 gr_description
varchar(255) NOT NULL default '',
828 -- Relation table between user and groups
829 CREATE TABLE /*$wgDBprefix*/user_groups (
830 ug_user
int(5) unsigned
NOT NULL default '0',
831 ug_group
int(5) unsigned
NOT NULL default '0',
832 PRIMARY KEY (ug_user
,ug_group
)