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
)
112 -- User permissions have been broken out to a separate table;
113 -- this allows sites with a shared user table to have different
114 -- permissions assigned to a user in each project.
116 -- TODO: de-blob this; it should be a property table
118 CREATE TABLE /*$wgDBprefix*/user_rights (
120 ur_user
int(5) unsigned
NOT NULL,
122 -- Comma-separated list of permission keys
123 ur_rights tinyblob
NOT NULL default '',
125 UNIQUE KEY ur_user (ur_user
)
128 -- The following table is no longer needed with Enotif >= 2.00
129 -- Entries for newtalk on user_talk page are handled like in the watchlist table
130 -- CREATE TABLE /*$wgDBprefix*/user_newtalk (
131 -- user_id int(5) NOT NULL default '0',
132 -- user_ip varchar(40) NOT NULL default '',
133 -- INDEX user_id (user_id),
134 -- INDEX user_ip (user_ip)
139 -- Core of the wiki: each page has an entry here which identifies
140 -- it by title and contains some essential metadata.
142 CREATE TABLE /*$wgDBprefix*/page (
143 -- Unique identifier number. The page_id will be preserved across
144 -- edits and rename operations, but not deletions and recreations.
145 page_id
int(8) unsigned
NOT NULL auto_increment
,
147 -- A page name is broken into a namespace and a title.
148 -- The namespace keys are UI-language-independent constants,
149 -- defined in Namespace.php.
150 page_namespace tinyint
NOT NULL,
152 -- The rest of the title, as text.
153 -- Spaces are transformed into underscores in title storage.
154 page_title
varchar(255) binary NOT NULL,
156 -- Comma-separated set of permission keys indicating who
157 -- can move or edit the page.
158 page_restrictions tinyblob
NOT NULL default '',
160 -- Number of times this page has been viewed.
161 page_counter
bigint(20) unsigned
NOT NULL default '0',
163 -- 1 indicates the article is a redirect.
164 page_is_redirect
tinyint(1) unsigned
NOT NULL default '0',
166 -- 1 indicates this is a new entry, with only one edit.
167 -- Not all pages with one edit are new pages.
168 page_is_new
tinyint(1) unsigned
NOT NULL default '0',
170 -- Random value between 0 and 1, used for Special:Randompage
171 page_random
real unsigned
NOT NULL,
173 -- This timestamp is updated whenever the page changes in
174 -- a way requiring it to be re-rendered, invalidating caches.
175 -- On top of editing this includes permission changes,
176 -- creation or deletion of linked pages, and alteration
177 -- of contained templates.
178 page_touched
char(14) binary NOT NULL default '',
181 -- Handy key to revision.rev_id of the current revision.
182 -- This may be 0 during page creation, but that shouldn't
183 -- happen outside of a transaction... hopefully.
184 page_latest
int(8) unsigned
NOT NULL,
186 -- Uncompressed length in bytes of the page's current source text.
187 page_len
int(8) unsigned
NOT NULL,
189 PRIMARY KEY page_id (page_id
),
190 UNIQUE INDEX name_title (page_namespace
,page_title
),
192 -- Special-purpose indexes
198 -- Every edit of a page creates also a revision row.
199 -- This stores metadata about the revision, and a reference
200 -- to the text storage backend.
202 CREATE TABLE /*$wgDBprefix*/revision (
203 rev_id
int(8) unsigned
NOT NULL auto_increment
,
205 -- Key to page_id. This should _never_ be invalid.
206 rev_page
int(8) unsigned
NOT NULL,
208 -- Key to text.old_id, where the actual bulk text is stored.
209 -- It's possible for multiple revisions to use the same text,
210 -- for instance revisions where only metadata is altered
211 -- or a rollback to a previous version.
212 rev_text_id
int(8) unsigned
NOT NULL,
214 -- Text comment summarizing the change.
215 -- This text is shown in the history and other changes lists,
216 -- rendered in a subset of wiki markup.
217 rev_comment tinyblob
NOT NULL default '',
219 -- Key to user_id of the user who made this edit.
220 -- Stores 0 for anonymous edits and for some mass imports.
221 rev_user
int(5) unsigned
NOT NULL default '0',
223 -- Text username or IP address of the editor.
224 rev_user_text
varchar(255) binary NOT NULL default '',
227 rev_timestamp
char(14) binary NOT NULL default '',
229 -- Records whether the user marked the 'minor edit' checkbox.
230 -- Many automated edits are marked as minor.
231 rev_minor_edit
tinyint(1) unsigned
NOT NULL default '0',
233 -- Not yet used; reserved for future changes to the deletion system.
234 rev_deleted
tinyint(1) unsigned
NOT NULL default '0',
236 PRIMARY KEY rev_page_id (rev_page
, rev_id
),
237 UNIQUE INDEX rev_id (rev_id
),
238 INDEX rev_timestamp (rev_timestamp
),
239 INDEX page_timestamp (rev_page
,rev_timestamp
),
240 INDEX user_timestamp (rev_user
,rev_timestamp
),
241 INDEX usertext_timestamp (rev_user_text
,rev_timestamp
)
246 -- Holds text of individual page revisions.
248 -- Field names are a holdover from the 'old' revisions table in
249 -- MediaWiki 1.4 and earlier: an upgrade will transform that
250 -- table into the 'text' table to minimize unnecessary churning
251 -- and downtime. If upgrading, the other fields will be left unused.
253 CREATE TABLE /*$wgDBprefix*/text (
254 -- Unique text storage key number.
255 -- Note that the 'oldid' parameter used in URLs does *not*
256 -- refer to this number anymore, but to rev_id.
257 old_id
int(8) unsigned
NOT NULL auto_increment
,
259 -- Depending on the contents of the old_flags field, the text
260 -- may be convenient plain text, or it may be funkily encoded.
261 old_text mediumtext
NOT NULL default '',
263 -- Comma-separated list of flags:
264 -- gzip: text is compressed with PHP's gzdeflate() function.
265 -- utf8: text was stored as UTF-8.
266 -- If $wgLegacyEncoding option is on, rows *without* this flag
267 -- will be converted to UTF-8 transparently at load time.
268 -- object: text field contained a serialized PHP object.
269 -- The object either contains multiple versions compressed
270 -- together to achieve a better compression ratio, or it refers
271 -- to another row where the text can be found.
272 old_flags tinyblob
NOT NULL default '',
274 PRIMARY KEY old_id (old_id
)
278 -- Holding area for deleted articles, which may be viewed
279 -- or restored by admins through the Special:Undelete interface.
280 -- The fields generally correspond to the page, revision, and text
281 -- fields, with several caveats.
283 CREATE TABLE /*$wgDBprefix*/archive (
284 ar_namespace
tinyint(2) unsigned
NOT NULL default '0',
285 ar_title
varchar(255) binary NOT NULL default '',
287 -- Newly deleted pages will not store text in this table,
288 -- but will reference the separately existing text rows.
289 -- This field is retained for backwards compatibility,
290 -- so old archived pages will remain accessible after
291 -- upgrading from 1.4 to 1.5.
292 ar_text mediumtext
NOT NULL default '',
294 -- Basic revision stuff...
295 ar_comment tinyblob
NOT NULL default '',
296 ar_user
int(5) unsigned
NOT NULL default '0',
297 ar_user_text
varchar(255) binary NOT NULL,
298 ar_timestamp
char(14) binary NOT NULL default '',
299 ar_minor_edit
tinyint(1) NOT NULL default '0',
302 ar_flags tinyblob
NOT NULL default '',
304 -- When revisions are deleted, their unique rev_id is stored
305 -- here so it can be retained after undeletion. This is necessary
306 -- to retain permalinks to given revisions after accidental delete
307 -- cycles or messy operations like history merges.
309 -- Old entries from 1.4 will be NULL here, and a new rev_id will
310 -- be created on undeletion for those revisions.
311 ar_rev_id
int(8) unsigned
,
313 -- For newly deleted revisions, this is the text.old_id key to the
314 -- actual stored text. To avoid breaking the block-compression scheme
315 -- and otherwise making storage changes harder, the actual text is
316 -- *not* deleted from the text table, merely hidden by removal of the
317 -- page and revision entries.
319 -- Old entries deleted under 1.2-1.4 will have NULL here, and their
320 -- ar_text and ar_flags fields will be used to create a new text
321 -- row upon undeletion.
322 ar_text_id
int(8) unsigned
,
324 KEY name_title_timestamp (ar_namespace
,ar_title
,ar_timestamp
)
328 -- Track links within the wiki that do exist.
329 -- These rows must be removed when the target page is
330 -- deleted, and replaced with brokenlinks entries.
331 -- They must also be updated if a target page is renamed.
333 CREATE TABLE /*$wgDBprefix*/links (
334 -- Key to the page_id of the page containing the link.
335 l_from
int(8) unsigned
NOT NULL default '0',
337 -- Key to the page_id of the link target.
338 -- An unfortunate consequence of this is that rename
339 -- operations require changing the links entries for
340 -- all links to the moved page.
341 l_to
int(8) unsigned
NOT NULL default '0',
343 UNIQUE KEY l_from(l_from
,l_to
),
348 -- Track links to pages that don't yet exist.
349 -- These rows must be removed when the target page
350 -- is created, and replaced with links table entries.
352 CREATE TABLE /*$wgDBprefix*/brokenlinks (
353 -- Key to the page_id of the page containing the link.
354 bl_from
int(8) unsigned
NOT NULL default '0',
356 -- Text of the target page title ("namesapce:title").
357 -- Unfortunately this doesn't split the namespace index
358 -- key and therefore can't easily be joined to anything.
359 bl_to
varchar(255) binary NOT NULL default '',
360 UNIQUE KEY bl_from(bl_from
,bl_to
),
365 -- Track links to images *used inline*
366 -- We don't distinguish live from broken links here, so
367 -- they do not need to be changed on upload/removal.
369 CREATE TABLE /*$wgDBprefix*/imagelinks (
370 -- Key to page_id of the page containing the image / media link.
371 il_from
int(8) unsigned
NOT NULL default '0',
373 -- Filename of target image.
374 -- This is also the page_title of the file's description page;
375 -- all such pages are in namespace 6 (NS_IMAGE).
376 il_to
varchar(255) binary NOT NULL default '',
378 UNIQUE KEY il_from(il_from
,il_to
),
383 -- Track category inclusions *used inline*
384 -- This tracks a single level of category membership
385 -- (folksonomic tagging, really).
387 CREATE TABLE /*$wgDBprefix*/categorylinks (
388 -- Key to page_id of the page defined as a category member.
389 cl_from
int(8) unsigned
NOT NULL default '0',
391 -- Name of the category.
392 -- This is also the page_title of the category's description page;
393 -- all such pages are in namespace 14 (NS_CATEGORY).
394 cl_to
varchar(255) binary NOT NULL default '',
396 -- The title of the linking page, or an optional override
397 -- to determine sort order. Sorting is by binary order, which
398 -- isn't always ideal, but collations seem to be an exciting
399 -- and dangerous new world in MySQL...
400 cl_sortkey
varchar(255) binary NOT NULL default '',
402 -- This isn't really used at present. Provided for an optional
403 -- sorting method by approximate addition time.
404 cl_timestamp
timestamp NOT NULL,
406 UNIQUE KEY cl_from(cl_from
,cl_to
),
408 -- This key is trouble. It's incomplete, AND it's too big
409 -- when collation is set to UTF-8. Bleeeacch!
410 KEY cl_sortkey(cl_to
,cl_sortkey(128)),
413 KEY cl_timestamp(cl_to
,cl_timestamp
)
417 -- Stores (possibly gzipped) serialized objects with
418 -- cache arrays to reduce database load slurping up
419 -- from links and brokenlinks.
421 CREATE TABLE /*$wgDBprefix*/linkscc (
422 lcc_pageid
INT UNSIGNED
NOT NULL UNIQUE KEY,
423 lcc_cacheobj MEDIUMBLOB
NOT NULL
427 -- Contains a single row with some aggregate info
428 -- on the state of the site.
430 CREATE TABLE /*$wgDBprefix*/site_stats (
431 -- The single row should contain 1 here.
432 ss_row_id
int(8) unsigned
NOT NULL,
434 -- Total number of page views, if hit counters are enabled.
435 ss_total_views
bigint(20) unsigned
default '0',
437 -- Total number of edits performed.
438 ss_total_edits
bigint(20) unsigned
default '0',
440 -- An approximate count of pages matching the following criteria:
443 -- * contains the text '[['
444 ss_good_articles
bigint(20) unsigned
default '0',
446 UNIQUE KEY ss_row_id (ss_row_id
)
450 -- Stores an ID for every time any article is visited;
451 -- depending on $wgHitcounterUpdateFreq, it is
452 -- periodically cleared and the cur_counter column
453 -- in the cur table updated for the all articles
454 -- that have been visited.)
456 CREATE TABLE /*$wgDBprefix*/hitcounter (
457 hc_id
INTEGER UNSIGNED
NOT NULL
458 ) TYPE=HEAP MAX_ROWS
=25000;
462 -- The internet is full of jerks, alas. Sometimes it's handy
463 -- to block a vandal or troll account.
465 CREATE TABLE /*$wgDBprefix*/ipblocks (
466 -- Primary key, introduced for privacy.
467 ipb_id
int(8) NOT NULL auto_increment
,
469 -- Blocked IP address in dotted-quad form or user name.
470 ipb_address
varchar(40) binary NOT NULL default '',
472 -- Blocked user ID or 0 for IP blocks.
473 ipb_user
int(8) unsigned
NOT NULL default '0',
475 -- User ID who made the block.
476 ipb_by
int(8) unsigned
NOT NULL default '0',
478 -- Text comment made by blocker.
479 ipb_reason tinyblob
NOT NULL default '',
481 -- Creation (or refresh) date in standard YMDHMS form.
482 -- IP blocks expire automatically.
483 ipb_timestamp
char(14) binary NOT NULL default '',
485 -- Indicates that the IP address was banned because a banned
486 -- user accessed a page through it. If this is 1, ipb_address
487 -- will be hidden, and the block identified by block ID number.
488 ipb_auto
tinyint(1) NOT NULL default '0',
490 -- Time at which the block will expire.
491 ipb_expiry
char(14) binary NOT NULL default '',
493 PRIMARY KEY ipb_id (ipb_id
),
494 INDEX ipb_address (ipb_address
),
495 INDEX ipb_user (ipb_user
)
500 -- Uploaded images and other files.
502 CREATE TABLE /*$wgDBprefix*/image (
504 -- This is also the title of the associated description page,
505 -- which will be in namespace 6 (NS_IMAGE).
506 img_name
varchar(255) binary NOT NULL default '',
508 -- File size in bytes.
509 img_size
int(8) unsigned
NOT NULL default '0',
511 -- For images, size in pixels.
512 img_width
int(5) NOT NULL default '0',
513 img_height
int(5) NOT NULL default '0',
515 -- Extracted EXIF metadata stored as a serialized PHP array.
516 img_metadata mediumblob
NOT NULL,
518 -- For images, bits per pixel if known.
519 img_bits
int(3) NOT NULL default '0',
521 -- File type key returned by getimagesize().
522 -- See http://www.php.net/getimagesize for possible values.
523 img_type
int(3) NOT NULL default '0',
525 -- Description field as entered by the uploader.
526 -- This is displayed in image upload history and logs.
527 img_description tinyblob
NOT NULL default '',
529 -- user_id and user_name of uploader.
530 img_user
int(5) unsigned
NOT NULL default '0',
531 img_user_text
varchar(255) binary NOT NULL default '',
533 -- Time of the upload.
534 img_timestamp
char(14) binary NOT NULL default '',
536 PRIMARY KEY img_name (img_name
),
538 -- Used by Special:Imagelist for sort-by-size
539 INDEX img_size (img_size
),
541 -- Used by Special:Newimages and Special:Imagelist
542 INDEX img_timestamp (img_timestamp
)
546 -- Previous revisions of uploaded files.
547 -- Awkwardly, image rows have to be moved into
548 -- this table at re-upload time.
550 CREATE TABLE /*$wgDBprefix*/oldimage (
551 -- Base filename: key to image.img_name
552 oi_name
varchar(255) binary NOT NULL default '',
554 -- Filename of the archived file.
555 -- This is generally a timestamp and '!' prepended to the base name.
556 oi_archive_name
varchar(255) binary NOT NULL default '',
558 -- Other fields as in image...
559 oi_size
int(8) unsigned
NOT NULL default 0,
560 oi_width
int(5) NOT NULL default 0,
561 oi_height
int(5) NOT NULL default 0,
562 oi_bits
int(3) NOT NULL default 0,
563 oi_type
int(3) NOT NULL default 0,
564 oi_description tinyblob
NOT NULL default '',
565 oi_user
int(5) unsigned
NOT NULL default '0',
566 oi_user_text
varchar(255) binary NOT NULL default '',
567 oi_timestamp
char(14) binary NOT NULL default '',
569 INDEX oi_name (oi_name(10))
574 -- Primarily a summary table for Special:Recentchanges,
575 -- this table contains some additional info on edits from
576 -- the last few days.
578 CREATE TABLE /*$wgDBprefix*/recentchanges (
579 rc_id
int(8) NOT NULL auto_increment
,
580 rc_timestamp
varchar(14) binary NOT NULL default '',
581 rc_cur_time
varchar(14) binary NOT NULL default '',
584 rc_user
int(10) unsigned
NOT NULL default '0',
585 rc_user_text
varchar(255) binary NOT NULL default '',
587 -- When pages are renamed, their RC entries do _not_ change.
588 rc_namespace
tinyint(3) NOT NULL default '0',
589 rc_title
varchar(255) binary NOT NULL default '',
592 rc_comment
varchar(255) binary NOT NULL default '',
593 rc_minor
tinyint(3) unsigned
NOT NULL default '0',
595 -- Edits by user accounts with the 'bot' rights key are
596 -- marked with a 1 here, and will be hidden from the
598 rc_bot
tinyint(3) unsigned
NOT NULL default '0',
600 rc_new
tinyint(3) unsigned
NOT NULL default '0',
602 -- Key to page_id (was cur_id prior to 1.5).
603 -- This will keep links working after moves while
604 -- retaining the at-the-time name in the changes list.
605 rc_cur_id
int(10) unsigned
NOT NULL default '0',
607 -- rev_id of the given revision
608 rc_this_oldid
int(10) unsigned
NOT NULL default '0',
610 -- rev_id of the prior revision, for generating diff links.
611 rc_last_oldid
int(10) unsigned
NOT NULL default '0',
613 -- These may no longer be used, with the new move log.
614 rc_type
tinyint(3) unsigned
NOT NULL default '0',
615 rc_moved_to_ns
tinyint(3) unsigned
NOT NULL default '0',
616 rc_moved_to_title
varchar(255) binary NOT NULL default '',
618 -- If the Recent Changes Patrol option is enabled,
619 -- users may mark edits as having been reviewed to
620 -- remove a warning flag on the RC list.
621 -- A value of 1 indicates the page has been reviewed.
622 rc_patrolled
tinyint(3) unsigned
NOT NULL default '0',
624 -- Recorded IP address the edit was made from, if the
625 -- $wgPutIPinRC option is enabled.
626 rc_ip
char(15) NOT NULL default '',
628 PRIMARY KEY rc_id (rc_id
),
629 INDEX rc_timestamp (rc_timestamp
),
630 INDEX rc_namespace_title (rc_namespace
, rc_title
),
631 INDEX rc_cur_id (rc_cur_id
),
632 INDEX new_name_timestamp(rc_new
,rc_namespace
,rc_timestamp
),
636 CREATE TABLE /*$wgDBprefix*/watchlist (
638 wl_user
int(5) unsigned
NOT NULL,
640 -- Key to page_namespace/page_title
641 -- Note that users may watch patches which do not exist yet,
642 -- or existed in the past but have been deleted.
643 wl_namespace
tinyint(2) unsigned
NOT NULL default '0',
644 wl_title
varchar(255) binary NOT NULL default '',
646 -- Timestamp when user was last sent a notification e-mail;
647 -- cleared when the user visits the page.
648 -- FIXME: add proper null support etc
649 wl_notificationtimestamp
varchar(14) binary NOT NULL default '0',
651 UNIQUE KEY (wl_user
, wl_namespace
, wl_title
),
652 KEY namespace_title (wl_namespace
,wl_title
)
657 -- Used by texvc math-rendering extension to keep track
658 -- of previously-rendered items.
660 CREATE TABLE /*$wgDBprefix*/math (
661 -- Binary MD5 hash of the latex fragment, used as an identifier key.
662 math_inputhash
varchar(16) NOT NULL,
664 -- Not sure what this is, exactly...
665 math_outputhash
varchar(16) NOT NULL,
667 -- texvc reports how well it thinks the HTML conversion worked;
668 -- if it's a low level the PNG rendering may be preferred.
669 math_html_conservativeness
tinyint(1) NOT NULL,
671 -- HTML output from texvc, if any
674 -- MathML output from texvc, if any
677 UNIQUE KEY math_inputhash (math_inputhash
)
681 -- When using the default MySQL search backend, page titles
682 -- and text are munged to strip markup, do Unicode case folding,
683 -- and prepare the result for MySQL's fulltext index.
685 -- This table must be MyISAM; InnoDB does not support the needed
688 CREATE TABLE /*$wgDBprefix*/searchindex (
690 si_page
int(8) unsigned
NOT NULL,
692 -- Munged version of title
693 si_title
varchar(255) NOT NULL default '',
695 -- Munged version of body text
696 si_text mediumtext
NOT NULL default '',
698 UNIQUE KEY (si_page
),
699 FULLTEXT
si_title (si_title
),
700 FULLTEXT
si_text (si_text
)
705 -- Recognized interwiki link prefixes
707 CREATE TABLE /*$wgDBprefix*/interwiki (
708 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
709 iw_prefix
char(32) NOT NULL,
711 -- The URL of the wiki, with "$1" as a placeholder for an article name.
712 -- Any spaces in the name will be transformed to underscores before
714 iw_url
char(127) NOT NULL,
716 -- A boolean value indicating whether the wiki is in this project
717 -- (used, for example, to detect redirect loops)
718 iw_local BOOL
NOT NULL,
720 UNIQUE KEY iw_prefix (iw_prefix
)
724 -- Used for caching expensive grouped queries
726 CREATE TABLE /*$wgDBprefix*/querycache (
727 -- A key name, generally the base name of of the special page.
728 qc_type
char(32) NOT NULL,
730 -- Some sort of stored value. Sizes, counts...
731 qc_value
int(5) unsigned
NOT NULL default '0',
733 -- Target namespace+title
734 qc_namespace
tinyint(2) unsigned
NOT NULL default '0',
735 qc_title
char(255) binary NOT NULL default '',
737 KEY (qc_type
,qc_value
)
741 -- For a few generic cache operations if not using Memcached
743 CREATE TABLE /*$wgDBprefix*/objectcache (
744 keyname
char(255) binary not null default '',
747 unique key (keyname
),
751 -- For article validation
752 CREATE TABLE /*$wgDBprefix*/validate (
753 `val_user`
int(11) NOT NULL default '0',
754 `val_page`
int(11) unsigned
NOT NULL default '0',
755 `val_revision`
int(11) unsigned
NOT NULL default '0',
756 `val_type`
int(11) unsigned
NOT NULL default '0',
757 `val_value`
int(11) default '0',
758 `val_comment`
varchar(255) NOT NULL default '',
759 KEY `val_user`
(`val_user`
,`val_revision`
)
763 CREATE TABLE /*$wgDBprefix*/logging (
764 -- Symbolic keys for the general log type and the action type
765 -- within the log. The output format will be controlled by the
766 -- action field, but only the type controls categorization.
767 log_type
char(10) NOT NULL default '',
768 log_action
char(10) NOT NULL default '',
771 log_timestamp
char(14) NOT NULL default '19700101000000',
773 -- The user who performed this action; key to user_id
774 log_user
int unsigned
NOT NULL default 0,
776 -- Key to the page affected. Where a user is the target,
777 -- this will point to the user page.
778 log_namespace tinyint unsigned
NOT NULL default 0,
779 log_title
varchar(255) binary NOT NULL default '',
781 -- Freeform text. Interpreted as edit history comments.
782 log_comment
varchar(255) NOT NULL default '',
784 -- LF separated list of miscellaneous parameters
785 log_params
blob NOT NULL default '',
787 KEY type_time (log_type
, log_timestamp
),
788 KEY user_time (log_user
, log_timestamp
),
789 KEY page_time (log_namespace
, log_title
, log_timestamp
)
796 -- Hold group name and description
797 CREATE TABLE /*$wgDBprefix*/`
group`
(
798 group_id
int(5) unsigned
NOT NULL auto_increment
,
799 group_name
varchar(50) NOT NULL default '',
800 group_description
varchar(255) NOT NULL default '',
801 group_rights tinyblob
,
802 PRIMARY KEY (group_id
)
805 -- Relation table between user and groups
806 CREATE TABLE /*$wgDBprefix*/user_groups (
807 ug_user
int(5) unsigned
NOT NULL default '0',
808 ug_group
int(5) unsigned
NOT NULL default '0',
809 PRIMARY KEY (ug_user
,ug_group
)