1 -- Experimental table definitions for Microsoft SQL Server with
2 -- content-holding fields switched to explicit BINARY charset.
3 -- ------------------------------------------------------------
5 -- SQL to create the initial tables for the MediaWiki database.
6 -- This is read and executed by the install script; you should
7 -- not have to run it by itself unless doing a manual install.
12 -- The comments in this and other files are
13 -- replaced with the defined table prefix by the installer
14 -- and updater scripts. If you are installing or running
15 -- updates manually, you will need to manually insert the
16 -- table prefix if any when running these scripts.
21 -- The user table contains basic account information,
22 -- authentication keys, etc.
24 -- Some multi-wiki sites may share a single central user table
25 -- between separate wikis using the $wgSharedDB setting.
27 -- Note that when a external authentication plugin is used,
28 -- user table entries still need to be created to store
29 -- preferences and to key tracking information in the other
33 CREATE TABLE /*_*/mwuser (
34 user_id
INT NOT NULL PRIMARY KEY IDENTITY(0,1),
35 user_name
NVARCHAR(255) NOT NULL UNIQUE DEFAULT '',
36 user_real_name
NVARCHAR(255) NOT NULL DEFAULT '',
37 user_password
NVARCHAR(255) NOT NULL DEFAULT '',
38 user_newpassword
NVARCHAR(255) NOT NULL DEFAULT '',
39 user_newpass_time
varchar(14) NULL DEFAULT NULL,
40 user_email
NVARCHAR(255) NOT NULL DEFAULT '',
41 user_touched
varchar(14) NOT NULL DEFAULT '',
42 user_token
NCHAR(32) NOT NULL DEFAULT '',
43 user_email_authenticated
varchar(14) DEFAULT NULL,
44 user_email_token
NCHAR(32) DEFAULT '',
45 user_email_token_expires
varchar(14) DEFAULT NULL,
46 user_registration
varchar(14) DEFAULT NULL,
47 user_editcount
INT NULL DEFAULT NULL,
48 user_password_expires
varchar(14) DEFAULT NULL
50 CREATE UNIQUE INDEX /*i*/user_name
ON /*_*/mwuser (user_name
);
51 CREATE INDEX /*i*/user_email_token
ON /*_*/mwuser (user_email_token
);
52 CREATE INDEX /*i*/user_email
ON /*_*/mwuser (user_email
);
54 -- Insert a dummy user to represent anons
55 INSERT INTO /*_*/mwuser (user_name
) VALUES ('##Anonymous##');
58 -- User permissions have been broken out to a separate table;
59 -- this allows sites with a shared user table to have different
60 -- permissions assigned to a user in each project.
62 -- This table replaces the old user_rights field which used a
63 -- comma-separated nvarchar(max).
64 CREATE TABLE /*_*/user_groups (
65 ug_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
66 ug_group
NVARCHAR(255) NOT NULL DEFAULT '',
67 ug_expiry
varchar(14) DEFAULT NULL,
68 PRIMARY KEY(ug_user
, ug_group
)
70 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups(ug_group
);
71 CREATE INDEX /*i*/ug_expiry
ON /*_*/user_groups(ug_expiry
);
73 -- Stores the groups the user has once belonged to.
74 -- The user may still belong to these groups (check user_groups).
75 -- Users are not autopromoted to groups from which they were removed.
76 CREATE TABLE /*_*/user_former_groups (
77 ufg_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
78 ufg_group
nvarchar(255) NOT NULL default ''
80 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
82 -- Stores notifications of user talk page changes, for the display
83 -- of the "you have new messages" box
84 -- Changed user_id column to user_id to avoid clashing with user_id function
85 CREATE TABLE /*_*/user_newtalk (
86 user_id
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
87 user_ip
NVARCHAR(40) NOT NULL DEFAULT '',
88 user_last_timestamp
varchar(14) DEFAULT NULL,
90 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
91 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
94 -- User preferences and other fun stuff
95 -- replaces old user.user_options nvarchar(max)
97 CREATE TABLE /*_*/user_properties (
98 up_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
99 up_property
NVARCHAR(255) NOT NULL,
100 up_value
NVARCHAR(MAX),
102 CREATE UNIQUE CLUSTERED
INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
103 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
106 -- This table contains a user's bot passwords: passwords that allow access to
107 -- the account via the API with limited rights.
109 CREATE TABLE /*_*/bot_passwords (
110 bp_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
111 bp_app_id
nvarchar(32) NOT NULL,
112 bp_password
nvarchar(255) NOT NULL,
113 bp_token
nvarchar(255) NOT NULL,
114 bp_restrictions
nvarchar(max) NOT NULL,
115 bp_grants
nvarchar(max) NOT NULL,
116 PRIMARY KEY (bp_user
, bp_app_id
)
121 -- Edits, blocks, and other actions typically have a textual comment describing
122 -- the action. They are stored here to reduce the size of the main tables, and
123 -- to allow for deduplication.
125 -- Deduplication is currently best-effort to avoid locking on inserts that
126 -- would be required for strict deduplication. There MAY be multiple rows with
127 -- the same comment_text and comment_data.
129 CREATE TABLE /*_*/comment (
130 comment_id
bigint unsigned
NOT NULL PRIMARY KEY IDENTITY(0,1),
131 comment_hash
INT NOT NULL,
132 comment_text
nvarchar(max) NOT NULL,
133 comment_data
nvarchar(max)
135 -- Index used for deduplication.
136 CREATE INDEX /*i*/comment_hash
ON /*_*/comment (comment_hash
);
138 -- dummy row for FKs. Hash is intentionally wrong so CommentStore won't match it.
139 INSERT INTO /*_*/comment (comment_hash
, comment_text
) VALUES (-1, '** dummy **');
143 -- Core of the wiki: each page has an entry here which identifies
144 -- it by title and contains some essential metadata.
146 CREATE TABLE /*_*/page (
147 page_id
INT NOT NULL PRIMARY KEY IDENTITY(0,1),
148 page_namespace
INT NOT NULL,
149 page_title
NVARCHAR(255) NOT NULL,
150 page_restrictions
NVARCHAR(255) NOT NULL,
151 page_is_redirect
BIT NOT NULL DEFAULT 0,
152 page_is_new
BIT NOT NULL DEFAULT 0,
153 page_random
real NOT NULL DEFAULT RAND(),
154 page_touched
varchar(14) NOT NULL default '',
155 page_links_updated
varchar(14) DEFAULT NULL,
156 page_latest
INT, -- FK inserted later
157 page_len
INT NOT NULL,
158 page_content_model
nvarchar(32) default null,
159 page_lang
VARBINARY(35) DEFAULT NULL
161 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
162 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
163 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
164 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
166 -- insert a dummy page
167 INSERT INTO /*_*/page (page_namespace
, page_title
, page_restrictions
, page_latest
, page_len
) VALUES (-1,'','',0,0);
170 -- Every edit of a page creates also a revision row.
171 -- This stores metadata about the revision, and a reference
172 -- to the TEXT storage backend.
174 CREATE TABLE /*_*/revision (
175 rev_id
INT NOT NULL UNIQUE IDENTITY(0,1),
176 rev_page
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
177 rev_text_id
INT NOT NULL, -- FK added later
178 rev_comment
NVARCHAR(255) NOT NULL CONSTRAINT DF_rev_comment
DEFAULT '',
179 rev_user
INT REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
180 rev_user_text
NVARCHAR(255) NOT NULL DEFAULT '',
181 rev_timestamp
varchar(14) NOT NULL default '',
182 rev_minor_edit
BIT NOT NULL DEFAULT 0,
183 rev_deleted TINYINT
NOT NULL DEFAULT 0,
185 rev_parent_id
INT DEFAULT NULL REFERENCES /*_*/revision(rev_id
),
186 rev_sha1
nvarchar(32) not null default '',
187 rev_content_model
nvarchar(32) default null,
188 rev_content_format
nvarchar(64) default null
190 CREATE UNIQUE CLUSTERED
INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
191 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
192 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
193 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
194 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
195 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
197 -- insert a dummy revision
198 INSERT INTO /*_*/revision (rev_page
,rev_text_id
,rev_comment
,rev_user
,rev_len
) VALUES (0,0,'',0,0);
200 ALTER TABLE /*_*/page
ADD CONSTRAINT FK_page_latest_page_id
FOREIGN KEY (page_latest
) REFERENCES /*_*/revision(rev_id
);
203 -- Temporary table to avoid blocking on an alter of revision.
205 -- On large wikis like the English Wikipedia, altering the revision table is a
206 -- months-long process. This table is being created to avoid such an alter, and
207 -- will be merged back into revision in the future.
209 CREATE TABLE /*_*/revision_comment_temp (
210 revcomment_rev
INT NOT NULL CONSTRAINT FK_revcomment_rev
FOREIGN KEY REFERENCES /*_*/revision(rev_id
) ON DELETE CASCADE,
211 revcomment_comment_id
bigint unsigned
NOT NULL CONSTRAINT FK_revcomment_comment_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
212 CONSTRAINT PK_revision_comment_temp
PRIMARY KEY (revcomment_rev
, revcomment_comment_id
)
214 CREATE UNIQUE INDEX /*i*/revcomment_rev
ON /*_*/revision_comment_temp (revcomment_rev
);
217 -- Holds TEXT of individual page revisions.
219 -- Field names are a holdover from the 'old' revisions table in
220 -- MediaWiki 1.4 and earlier: an upgrade will transform that
221 -- table INTo the 'text' table to minimize unnecessary churning
222 -- and downtime. If upgrading, the other fields will be left unused.
223 CREATE TABLE /*_*/text (
224 old_id
INT NOT NULL PRIMARY KEY IDENTITY(0,1),
225 old_text
nvarchar(max) NOT NULL,
226 old_flags
NVARCHAR(255) NOT NULL,
229 -- insert a dummy text
230 INSERT INTO /*_*/text (old_text
,old_flags
) VALUES ('','');
232 ALTER TABLE /*_*/revision
ADD CONSTRAINT FK_rev_text_id_old_id
FOREIGN KEY (rev_text_id
) REFERENCES /*_*/text(old_id
) ON DELETE CASCADE;
235 -- Holding area for deleted articles, which may be viewed
236 -- or restored by admins through the Special:Undelete interface.
237 -- The fields generally correspond to the page, revision, and text
238 -- fields, with several caveats.
239 -- Cannot reasonably create views on this table, due to the presence of TEXT
241 CREATE TABLE /*_*/archive (
242 ar_id
int NOT NULL PRIMARY KEY IDENTITY,
243 ar_namespace
SMALLINT NOT NULL DEFAULT 0,
244 ar_title
NVARCHAR(255) NOT NULL DEFAULT '',
245 ar_text
NVARCHAR(MAX) NOT NULL,
246 ar_comment
NVARCHAR(255) NOT NULL CONSTRAINT DF_ar_comment
DEFAULT '',
247 ar_comment_id
bigint unsigned
NOT NULL CONSTRAINT DF_ar_comment_id
DEFAULT 0 CONSTRAINT FK_ar_comment_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
248 ar_user
INT CONSTRAINT ar_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
249 ar_user_text
NVARCHAR(255) NOT NULL,
250 ar_timestamp
varchar(14) NOT NULL default '',
251 ar_minor_edit
BIT NOT NULL DEFAULT 0,
252 ar_flags
NVARCHAR(255) NOT NULL,
253 ar_rev_id
INT NULL, -- NOT a FK, the row gets deleted from revision and moved here
254 ar_text_id
INT CONSTRAINT ar_text_id__old_id__fk
FOREIGN KEY REFERENCES /*_*/text(old_id
) ON DELETE CASCADE,
255 ar_deleted TINYINT
NOT NULL DEFAULT 0,
257 ar_page_id
INT NULL, -- NOT a FK, the row gets deleted from page and moved here
258 ar_parent_id
INT NULL, -- NOT FK
259 ar_sha1
nvarchar(32) default null,
260 ar_content_model
nvarchar(32) DEFAULT NULL,
261 ar_content_format
nvarchar(64) DEFAULT NULL
263 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
264 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
265 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
269 -- Slots represent an n:m relation between revisions and content objects.
270 -- A content object can have a specific "role" in one or more revisions.
271 -- Each revision can have multiple content objects, each having a different role.
273 CREATE TABLE /*_*/slots (
275 -- reference to rev_id
276 slot_revision_id
bigint unsigned
NOT NULL,
278 -- reference to role_id
279 slot_role_id
smallint unsigned
NOT NULL CONSTRAINT FK_slots_slot_role
FOREIGN KEY REFERENCES slot_roles(role_id
),
281 -- reference to content_id
282 slot_content_id
bigint unsigned
NOT NULL CONSTRAINT FK_slots_content_id
FOREIGN KEY REFERENCES content(content_id
),
284 -- whether the content is inherited (1) or new in this revision (0)
285 slot_inherited tinyint unsigned
NOT NULL CONSTRAINT DF_slot_inherited
DEFAULT 0,
287 CONSTRAINT PK_slots
PRIMARY KEY (slot_revision_id
, slot_role_id
)
290 -- Index for finding revisions that modified a specific slot
291 CREATE INDEX /*i*/slot_role_inherited
ON /*_*/slots (slot_revision_id
, slot_role_id
, slot_inherited
);
294 -- The content table represents content objects. It's primary purpose is to provide the necessary
295 -- meta-data for loading and interpreting a serialized data blob to create a content object.
297 CREATE TABLE /*_*/content (
299 -- ID of the content object
300 content_id
bigint unsigned
NOT NULL CONSTRAINT PK_content
PRIMARY KEY IDENTITY,
302 -- Nominal size of the content object (not necessarily of the serialized blob)
303 content_size
int unsigned
NOT NULL,
305 -- Nominal hash of the content object (not necessarily of the serialized blob)
306 content_sha1
varchar(32) NOT NULL,
308 -- reference to model_id
309 content_model
smallint unsigned
NOT NULL CONSTRAINT FK_content_content_models
FOREIGN KEY REFERENCES /*_*/content_models(model_id
),
311 -- URL-like address of the content blob
312 content_address
nvarchar(255) NOT NULL
316 -- Normalization table for role names
318 CREATE TABLE /*_*/slot_roles (
319 role_id
smallint NOT NULL CONSTRAINT PK_slot_roles
PRIMARY KEY IDENTITY,
320 role_name
nvarchar(64) NOT NULL
323 -- Index for looking of the internal ID of for a name
324 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
327 -- Normalization table for content model names
329 CREATE TABLE /*_*/content_models (
330 model_id
smallint NOT NULL CONSTRAINT PK_content_models
PRIMARY KEY IDENTITY,
331 model_name
nvarchar(64) NOT NULL
334 -- Index for looking of the internal ID of for a name
335 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
339 -- Track page-to-page hyperlinks within the wiki.
341 CREATE TABLE /*_*/pagelinks (
342 pl_from
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
343 pl_from_namespace
int NOT NULL DEFAULT 0,
344 pl_namespace
INT NOT NULL DEFAULT 0,
345 pl_title
NVARCHAR(255) NOT NULL DEFAULT '',
347 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
348 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
349 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
353 -- Track template inclusions.
355 CREATE TABLE /*_*/templatelinks (
356 tl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
357 tl_from_namespace
int NOT NULL default 0,
358 tl_namespace
int NOT NULL default 0,
359 tl_title
nvarchar(255) NOT NULL default ''
362 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
363 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
364 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
368 -- Track links to images *used inline*
369 -- We don't distinguish live from broken links here, so
370 -- they do not need to be changed on upload/removal.
372 CREATE TABLE /*_*/imagelinks (
373 -- Key to page_id of the page containing the image / media link.
374 il_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
375 il_from_namespace
int NOT NULL default 0,
377 -- Filename of target image.
378 -- This is also the page_title of the file's description page;
379 -- all such pages are in namespace 6 (NS_FILE).
380 il_to
nvarchar(255) NOT NULL default ''
383 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
384 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
385 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
388 -- Track category inclusions *used inline*
389 -- This tracks a single level of category membership
391 CREATE TABLE /*_*/categorylinks (
392 -- Key to page_id of the page defined as a category member.
393 cl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
395 -- Name of the category.
396 -- This is also the page_title of the category's description page;
397 -- all such pages are in namespace 14 (NS_CATEGORY).
398 cl_to
nvarchar(255) NOT NULL default '',
400 -- A binary string obtained by applying a sortkey generation algorithm
401 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
402 -- . page_title if cl_sortkey_prefix is nonempty.
403 cl_sortkey
varbinary(230) NOT NULL default 0x
,
405 -- A prefix for the raw sortkey manually specified by the user, either via
406 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
407 -- concatenated with a line break followed by the page title before the sortkey
408 -- conversion algorithm is run. We store this so that we can update
409 -- collations without reparsing all pages.
410 -- Note: If you change the length of this field, you also need to change
411 -- code in LinksUpdate.php. See T27254.
412 cl_sortkey_prefix
varbinary(255) NOT NULL default 0x
,
414 -- This isn't really used at present. Provided for an optional
415 -- sorting method by approximate addition time.
416 cl_timestamp
varchar(14) NOT NULL,
418 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
419 -- can be used to install new collation versions, tracking which rows are not
420 -- yet updated. '' means no collation, this is a legacy row that needs to be
421 -- updated by updateCollation.php. In the future, it might be possible to
422 -- specify different collations per category.
423 cl_collation
nvarchar(32) NOT NULL default '',
425 -- Stores whether cl_from is a category, file, or other page, so we can
426 -- paginate the three categories separately. This never has to be updated
427 -- after the page is created, since none of these page types can be moved to
429 cl_type
varchar(10) NOT NULL default 'page',
430 -- SQL server doesn't have enums, so we approximate with this
431 CONSTRAINT cl_type_ckc
CHECK (cl_type
IN('page', 'subcat', 'file'))
434 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
436 -- We always sort within a given category, and within a given type. FIXME:
437 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
438 -- callers won't be using an index: fix this?
439 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
441 -- Used by the API (and some extensions)
442 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
444 -- Used when updating collation (e.g. updateCollation.php)
445 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
448 -- Track all existing categories. Something is a category if 1) it has an entry
449 -- somewhere in categorylinks, or 2) it has a description page. Categories
450 -- might not have corresponding pages, so they need to be tracked separately.
452 CREATE TABLE /*_*/category (
454 cat_id
int NOT NULL PRIMARY KEY IDENTITY,
456 -- Name of the category, in the same form as page_title (with underscores).
457 -- If there is a category page corresponding to this category, by definition,
458 -- it has this name (in the Category namespace).
459 cat_title
nvarchar(255) NOT NULL,
461 -- The numbers of member pages (including categories and media), subcatego-
462 -- ries, and Image: namespace members, respectively. These are signed to
463 -- make underflow more obvious. We make the first number include the second
464 -- two for better sorting: subtracting for display is easy, adding for order-
466 cat_pages
int NOT NULL default 0,
467 cat_subcats
int NOT NULL default 0,
468 cat_files
int NOT NULL default 0
471 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
473 -- For Special:Mostlinkedcategories
474 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
478 -- Track links to external URLs
480 CREATE TABLE /*_*/externallinks (
482 el_id
int NOT NULL PRIMARY KEY IDENTITY,
484 -- page_id of the referring page
485 el_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
488 el_to
nvarchar(max) NOT NULL,
490 -- In the case of HTTP URLs, this is the URL with any username or password
491 -- removed, and with the labels in the hostname reversed and converted to
492 -- lower case. An extra dot is added to allow for matching of either
493 -- example.com or *.example.com in a single scan.
495 -- http://user:password@sub.example.com/page.html
497 -- http://com.example.sub./page.html
498 -- which allows for fast searching for all pages under example.com with the
500 -- WHERE el_index LIKE 'http://com.example.%'
501 el_index
nvarchar(450) NOT NULL,
503 -- This is el_index truncated to 60 bytes to allow for sortable queries that
504 -- aren't supported by a partial index.
505 -- @todo Drop the default once this is deployed everywhere and code is populating it.
506 el_index_60
varbinary(60) NOT NULL default ''
509 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
);
510 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index
);
511 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
512 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
513 -- el_to index intentionally not added; we cannot index nvarchar(max) columns,
514 -- but we also cannot restrict el_to to a smaller column size as the external
515 -- link may be larger.
518 -- Track interlanguage links
520 CREATE TABLE /*_*/langlinks (
521 -- page_id of the referring page
522 ll_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
524 -- Language code of the target
525 ll_lang
nvarchar(20) NOT NULL default '',
527 -- Title of the target, including namespace
528 ll_title
nvarchar(255) NOT NULL default ''
531 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
532 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
536 -- Track inline interwiki links
538 CREATE TABLE /*_*/iwlinks (
539 -- page_id of the referring page
540 iwl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
542 -- Interwiki prefix code of the target
543 iwl_prefix
nvarchar(20) NOT NULL default '',
545 -- Title of the target, including namespace
546 iwl_title
nvarchar(255) NOT NULL default ''
549 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
550 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
551 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
555 -- Contains a single row with some aggregate info
556 -- on the state of the site.
558 CREATE TABLE /*_*/site_stats (
559 -- The single row should contain 1 here.
560 ss_row_id
int NOT NULL CONSTRAINT /*i*/ss_row_id
PRIMARY KEY,
562 -- Total number of edits performed.
563 ss_total_edits
bigint default 0,
565 -- An approximate count of pages matching the following criteria:
568 -- * contains the text '[['
569 -- See Article::isCountable() in includes/Article.php
570 ss_good_articles
bigint default 0,
572 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
573 ss_total_pages
bigint default '-1',
575 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
576 ss_users
bigint default '-1',
578 -- Number of users that still edit
579 ss_active_users
bigint default '-1',
581 -- Number of images, equivalent to SELECT COUNT(*) FROM image
582 ss_images
int default 0
587 -- The internet is full of jerks, alas. Sometimes it's handy
588 -- to block a vandal or troll account.
590 CREATE TABLE /*_*/ipblocks (
591 -- Primary key, introduced for privacy.
592 ipb_id
int NOT NULL PRIMARY KEY IDENTITY,
594 -- Blocked IP address in dotted-quad form or user name.
595 ipb_address
nvarchar(255) NOT NULL,
597 -- Blocked user ID or 0 for IP blocks.
598 ipb_user
int REFERENCES /*_*/mwuser(user_id
),
600 -- User ID who made the block.
601 ipb_by
int REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
603 -- User name of blocker
604 ipb_by_text
nvarchar(255) NOT NULL default '',
606 -- Text comment made by blocker.
607 ipb_reason
nvarchar(255) NOT NULL CONSTRAINT DF_ipb_reason
DEFAULT '',
609 -- Key to comment_id. Text comment made by blocker.
610 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
611 ipb_reason_id
bigint unsigned
NOT NULL CONSTRAINT DF_ipb_reason_id
DEFAULT 0 CONSTRAINT FK_ipb_reason_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
613 -- Creation (or refresh) date in standard YMDHMS form.
614 -- IP blocks expire automatically.
615 ipb_timestamp
varchar(14) NOT NULL default '',
617 -- Indicates that the IP address was banned because a banned
618 -- user accessed a page through it. If this is 1, ipb_address
619 -- will be hidden, and the block identified by block ID number.
620 ipb_auto
bit NOT NULL default 0,
622 -- If set to 1, block applies only to logged-out users
623 ipb_anon_only
bit NOT NULL default 0,
625 -- Block prevents account creation from matching IP addresses
626 ipb_create_account
bit NOT NULL default 1,
628 -- Block triggers autoblocks
629 ipb_enable_autoblock
bit NOT NULL default 1,
631 -- Time at which the block will expire.
633 ipb_expiry
varchar(14) NOT NULL,
635 -- Start and end of an address range, in hexadecimal
636 -- Size chosen to allow IPv6
637 -- FIXME: these fields were originally blank for single-IP blocks,
638 -- but now they are populated. No migration was ever done. They
639 -- should be fixed to be blank again for such blocks (T51504).
640 ipb_range_start
varchar(255) NOT NULL,
641 ipb_range_end
varchar(255) NOT NULL,
643 -- Flag for entries hidden from users and Sysops
644 ipb_deleted
bit NOT NULL default 0,
646 -- Block prevents user from accessing Special:Emailuser
647 ipb_block_email
bit NOT NULL default 0,
649 -- Block allows user to edit their own talk page
650 ipb_allow_usertalk
bit NOT NULL default 0,
652 -- ID of the block that caused this block to exist
653 -- Autoblocks set this to the original block
654 -- so that the original block being deleted also
655 -- deletes the autoblocks
656 ipb_parent_block_id
int default NULL REFERENCES /*_*/ipblocks(ipb_id
)
660 -- Unique index to support "user already blocked" messages
661 -- Any new options which prevent collisions should be included
662 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address
, ipb_user
, ipb_auto
, ipb_anon_only
);
664 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
665 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start
, ipb_range_end
);
666 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
667 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
668 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
672 -- Uploaded images and other files.
674 CREATE TABLE /*_*/image (
676 -- This is also the title of the associated description page,
677 -- which will be in namespace 6 (NS_FILE).
678 img_name
nvarchar(255) NOT NULL default '' PRIMARY KEY,
680 -- File size in bytes.
681 img_size
int NOT NULL default 0,
683 -- For images, size in pixels.
684 img_width
int NOT NULL default 0,
685 img_height
int NOT NULL default 0,
687 -- Extracted Exif metadata stored as a serialized PHP array.
688 img_metadata
varbinary(max) NOT NULL,
690 -- For images, bits per pixel if known.
691 img_bits
int NOT NULL default 0,
693 -- Media type as defined by the MEDIATYPE_xxx constants
694 img_media_type
varchar(16) default null,
696 -- major part of a MIME media type as defined by IANA
697 -- see https://www.iana.org/assignments/media-types/
698 img_major_mime
varchar(16) not null default 'unknown',
700 -- minor part of a MIME media type as defined by IANA
701 -- the minor parts are not required to adher to any standard
702 -- but should be consistent throughout the database
703 -- see https://www.iana.org/assignments/media-types/
704 img_minor_mime
nvarchar(100) NOT NULL default 'unknown',
706 -- Description field as entered by the uploader.
707 -- This is displayed in image upload history and logs.
708 img_description
nvarchar(255) NOT NULL CONSTRAINT DF_img_description
DEFAULT '',
710 -- user_id and user_name of uploader.
711 img_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
712 img_user_text
nvarchar(255) NOT NULL,
714 -- Time of the upload.
715 img_timestamp
nvarchar(14) NOT NULL default '',
717 -- SHA-1 content hash in base-36
718 img_sha1
nvarchar(32) NOT NULL default '',
720 CONSTRAINT img_major_mime_ckc
check (img_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
721 CONSTRAINT img_media_type_ckc
check (img_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
724 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
725 -- Used by Special:ListFiles for sort-by-size
726 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
727 -- Used by Special:Newimages and Special:ListFiles
728 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
729 -- Used in API and duplicate search
730 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
731 -- Used to get media of one type
732 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
735 -- Temporary table to avoid blocking on an alter of image.
737 -- On large wikis like Wikimedia Commons, altering the image table is a
738 -- months-long process. This table is being created to avoid such an alter, and
739 -- will be merged back into image in the future.
741 CREATE TABLE /*_*/image_comment_temp (
742 imgcomment_name
nvarchar(255) NOT NULL CONSTRAINT FK_imgcomment_name
FOREIGN KEY REFERENCES /*_*/image(imgcomment_name
) ON DELETE CASCADE,
743 imgcomment_description_id
bigint unsigned
NOT NULL CONSTRAINT FK_imgcomment_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
744 CONSTRAINT PK_image_comment_temp
PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
746 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
750 -- Previous revisions of uploaded files.
751 -- Awkwardly, image rows have to be moved into
752 -- this table at re-upload time.
754 CREATE TABLE /*_*/oldimage (
755 -- Base filename: key to image.img_name
756 -- Not a FK because deleting images removes them from image
757 oi_name
nvarchar(255) NOT NULL default '',
759 -- Filename of the archived file.
760 -- This is generally a timestamp and '!' prepended to the base name.
761 oi_archive_name
nvarchar(255) NOT NULL default '',
763 -- Other fields as in image...
764 oi_size
int NOT NULL default 0,
765 oi_width
int NOT NULL default 0,
766 oi_height
int NOT NULL default 0,
767 oi_bits
int NOT NULL default 0,
768 oi_description
nvarchar(255) NOT NULL CONSTRAINT DF_oi_description
DEFAULT '',
769 oi_description_id
bigint unsigned
NOT NULL CONSTRAINT DF_oi_description_id
DEFAULT 0 CONSTRAINT FK_oi_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
770 oi_user
int REFERENCES /*_*/mwuser(user_id
),
771 oi_user_text
nvarchar(255) NOT NULL,
772 oi_timestamp
varchar(14) NOT NULL default '',
774 oi_metadata
varbinary(max) NOT NULL,
775 oi_media_type
varchar(16) default null,
776 oi_major_mime
varchar(16) not null default 'unknown',
777 oi_minor_mime
nvarchar(100) NOT NULL default 'unknown',
778 oi_deleted tinyint
NOT NULL default 0,
779 oi_sha1
nvarchar(32) NOT NULL default '',
781 CONSTRAINT oi_major_mime_ckc
check (oi_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
782 CONSTRAINT oi_media_type_ckc
check (oi_media_type
IN('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
785 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
786 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
787 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
791 -- Record of deleted file data
793 CREATE TABLE /*_*/filearchive (
795 fa_id
int NOT NULL PRIMARY KEY IDENTITY,
797 -- Original base filename; key to image.img_name, page.page_title, etc
798 fa_name
nvarchar(255) NOT NULL default '',
800 -- Filename of archived file, if an old revision
801 fa_archive_name
nvarchar(255) default '',
803 -- Which storage bin (directory tree or object store) the file data
804 -- is stored in. Should be 'deleted' for files that have been deleted;
805 -- any other bin is not yet in use.
806 fa_storage_group
nvarchar(16),
808 -- SHA-1 of the file contents plus extension, used as a key for storage.
809 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
811 -- If NULL, the file was missing at deletion time or has been purged
812 -- from the archival storage.
813 fa_storage_key
nvarchar(64) default '',
815 -- Deletion information, if this file is deleted.
817 fa_deleted_timestamp
varchar(14) default '',
818 fa_deleted_reason
nvarchar(max) CONSTRAINT DF_fa_deleted_reason
DEFAULT '',
819 fa_deleted_reason_id
bigint unsigned
NOT NULL CONSTRAINT DF_fa_deleted_reason_id
DEFAULT 0 CONSTRAINT FK_fa_deleted_reason_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
821 -- Duped fields from image
822 fa_size
int default 0,
823 fa_width
int default 0,
824 fa_height
int default 0,
825 fa_metadata
varbinary(max),
826 fa_bits
int default 0,
827 fa_media_type
varchar(16) default null,
828 fa_major_mime
varchar(16) not null default 'unknown',
829 fa_minor_mime
nvarchar(100) default 'unknown',
830 fa_description
nvarchar(255) CONSTRAINT DF_fa_description
DEFAULT '',
831 fa_description_id
bigint unsigned
NOT NULL CONSTRAINT DF_fa_description
DEFAULT 0 CONSTRAINT FK_fa_description
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
832 fa_user
int default 0 REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
833 fa_user_text
nvarchar(255),
834 fa_timestamp
varchar(14) default '',
836 -- Visibility of deleted revisions, bitfield
837 fa_deleted tinyint
NOT NULL default 0,
839 -- sha1 hash of file content
840 fa_sha1
nvarchar(32) NOT NULL default '',
842 CONSTRAINT fa_major_mime_ckc
check (fa_major_mime
in('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
843 CONSTRAINT fa_media_type_ckc
check (fa_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
846 -- pick out by image name
847 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
848 -- pick out dupe files
849 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
850 -- sort by deletion time
851 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
853 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
854 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
855 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1
);
859 -- Store information about newly uploaded files before they're
860 -- moved into the actual filestore
862 CREATE TABLE /*_*/uploadstash (
863 us_id
int NOT NULL PRIMARY KEY IDENTITY,
865 -- the user who uploaded the file.
866 us_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
868 -- file key. this is how applications actually search for the file.
869 -- this might go away, or become the primary key.
870 us_key
nvarchar(255) NOT NULL,
873 us_orig_path
nvarchar(255) NOT NULL,
875 -- the temporary path at which the file is actually stored
876 us_path
nvarchar(255) NOT NULL,
878 -- which type of upload the file came from (sometimes)
879 us_source_type
nvarchar(50),
881 -- the date/time on which the file was added
882 us_timestamp
varchar(14) NOT NULL,
884 us_status
nvarchar(50) NOT NULL,
886 -- chunk counter starts at 0, current offset is stored in us_size
887 us_chunk_inx
int NULL,
889 -- Serialized file properties from FSFile::getProps()
890 us_props
nvarchar(max),
892 -- file size in bytes
893 us_size
int NOT NULL,
894 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
895 us_sha1
nvarchar(31) NOT NULL,
896 us_mime
nvarchar(255),
897 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
898 us_media_type
varchar(16) default null,
899 -- image-specific properties
902 us_image_bits
smallint,
904 CONSTRAINT us_media_type_ckc
check (us_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE', '3D'))
907 -- sometimes there's a delete for all of a user's stuff.
908 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
909 -- pick out files by key, enforce key uniqueness
910 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
911 -- the abandoned upload cleanup script needs this
912 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
916 -- Primarily a summary table for Special:Recentchanges,
917 -- this table contains some additional info on edits from
918 -- the last few days, see Article::editUpdates()
920 CREATE TABLE /*_*/recentchanges (
921 rc_id
int NOT NULL CONSTRAINT recentchanges__pk
PRIMARY KEY IDENTITY,
922 rc_timestamp
varchar(14) not null default '',
925 rc_user
int NOT NULL default 0 CONSTRAINT rc_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
926 rc_user_text
nvarchar(255) NOT NULL,
928 -- When pages are renamed, their RC entries do _not_ change.
929 rc_namespace
int NOT NULL default 0,
930 rc_title
nvarchar(255) NOT NULL default '',
933 rc_comment
nvarchar(255) NOT NULL default '',
934 rc_comment_id
bigint unsigned
NOT NULL CONSTRAINT DF_rc_comment_id
DEFAULT 0 CONSTRAINT FK_rc_comment_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
935 rc_minor
bit NOT NULL default 0,
937 -- Edits by user accounts with the 'bot' rights key are
938 -- marked with a 1 here, and will be hidden from the
940 rc_bot
bit NOT NULL default 0,
942 -- Set if this change corresponds to a page creation
943 rc_new
bit NOT NULL default 0,
945 -- Key to page_id (was cur_id prior to 1.5).
946 -- This will keep links working after moves while
947 -- retaining the at-the-time name in the changes list.
948 rc_cur_id
int, -- NOT FK
950 -- rev_id of the given revision
951 rc_this_oldid
int, -- NOT FK
953 -- rev_id of the prior revision, for generating diff links.
954 rc_last_oldid
int, -- NOT FK
956 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
957 rc_type tinyint
NOT NULL default 0,
959 -- The source of the change entry (replaces rc_type)
960 -- default of '' is temporary, needed for initial migration
961 rc_source
nvarchar(16) not null default '',
963 -- If the Recent Changes Patrol option is enabled,
964 -- users may mark edits as having been reviewed to
965 -- remove a warning flag on the RC list.
966 -- A value of 1 indicates the page has been reviewed.
967 rc_patrolled
bit NOT NULL default 0,
969 -- Recorded IP address the edit was made from, if the
970 -- $wgPutIPinRC option is enabled.
971 rc_ip
nvarchar(40) NOT NULL default '',
973 -- Text length in characters before
974 -- and after the edit
978 -- Visibility of recent changes items, bitfield
979 rc_deleted tinyint
NOT NULL default 0,
981 -- Value corresponding to log_id, specific log entries
982 rc_logid
int, -- FK added later
983 -- Store log type info here, or null
984 rc_log_type
nvarchar(255) NULL default NULL,
985 -- Store log action or null
986 rc_log_action
nvarchar(255) NULL default NULL,
988 rc_params
nvarchar(max) NULL
991 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
992 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
993 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
994 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
995 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
996 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
997 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
998 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1001 CREATE TABLE /*_*/watchlist (
1002 wl_id
int NOT NULL PRIMARY KEY IDENTITY,
1003 -- Key to user.user_id
1004 wl_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
1006 -- Key to page_namespace/page_title
1007 -- Note that users may watch pages which do not exist yet,
1008 -- or existed in the past but have been deleted.
1009 wl_namespace
int NOT NULL default 0,
1010 wl_title
nvarchar(255) NOT NULL default '',
1012 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1013 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1014 -- of the page, which means that they should be sent an e-mail on the next change.
1015 wl_notificationtimestamp
varchar(14)
1019 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1020 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1024 -- Our search index for the builtin MediaWiki search
1026 CREATE TABLE /*_*/searchindex (
1028 si_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1030 -- Munged version of title
1031 si_title
nvarchar(255) NOT NULL default '',
1033 -- Munged version of body text
1034 si_text
nvarchar(max) NOT NULL
1037 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1038 -- Fulltext index is defined in MssqlInstaller.php
1041 -- Recognized interwiki link prefixes
1043 CREATE TABLE /*_*/interwiki (
1044 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1045 iw_prefix
nvarchar(32) NOT NULL,
1047 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1048 -- Any spaces in the name will be transformed to underscores before
1050 iw_url
nvarchar(max) NOT NULL,
1052 -- The URL of the file api.php
1053 iw_api
nvarchar(max) NOT NULL,
1055 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1056 iw_wikiid
nvarchar(64) NOT NULL,
1058 -- A boolean value indicating whether the wiki is in this project
1059 -- (used, for example, to detect redirect loops)
1060 iw_local
bit NOT NULL,
1062 -- Boolean value indicating whether interwiki transclusions are allowed.
1063 iw_trans
bit NOT NULL default 0
1066 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1070 -- Used for caching expensive grouped queries
1072 CREATE TABLE /*_*/querycache (
1073 -- A key name, generally the base name of of the special page.
1074 qc_type
nvarchar(32) NOT NULL,
1076 -- Some sort of stored value. Sizes, counts...
1077 qc_value
int NOT NULL default 0,
1079 -- Target namespace+title
1080 qc_namespace
int NOT NULL default 0,
1081 qc_title
nvarchar(255) NOT NULL default ''
1084 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1088 -- For a few generic cache operations if not using Memcached
1090 CREATE TABLE /*_*/objectcache (
1091 keyname
nvarchar(255) NOT NULL default '' PRIMARY KEY,
1092 value varbinary(max),
1095 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1099 -- Cache of interwiki transclusion
1101 CREATE TABLE /*_*/transcache (
1102 tc_url
nvarchar(255) NOT NULL,
1103 tc_contents
nvarchar(max),
1104 tc_time
varchar(14) NOT NULL
1107 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1110 CREATE TABLE /*_*/logging (
1111 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1112 log_id
int NOT NULL PRIMARY KEY IDENTITY(0,1),
1114 -- Symbolic keys for the general log type and the action type
1115 -- within the log. The output format will be controlled by the
1116 -- action field, but only the type controls categorization.
1117 log_type
nvarchar(32) NOT NULL default '',
1118 log_action
nvarchar(32) NOT NULL default '',
1121 log_timestamp
varchar(14) NOT NULL default '',
1123 -- The user who performed this action; key to user_id
1124 log_user
int, -- NOT an FK, if a user is deleted we still want to maintain a record of who did a thing
1126 -- Name of the user who performed this action
1127 log_user_text
nvarchar(255) NOT NULL default '',
1129 -- Key to the page affected. Where a user is the target,
1130 -- this will point to the user page.
1131 log_namespace
int NOT NULL default 0,
1132 log_title
nvarchar(255) NOT NULL default '',
1133 log_page
int NULL, -- NOT an FK, logging entries are inserted for deleted pages which still reference the deleted page ids
1135 -- Freeform text. Interpreted as edit history comments.
1136 log_comment
nvarchar(255) NOT NULL default '',
1138 -- Key to comment_id. Comment summarizing the change.
1139 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1140 log_comment_id
bigint unsigned
NOT NULL CONSTRAINT DF_log_comment_id
DEFAULT 0 CONSTRAINT FK_log_comment_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
1142 -- miscellaneous parameters:
1143 -- LF separated list (old system) or serialized PHP array (new system)
1144 log_params
nvarchar(max) NOT NULL,
1146 -- rev_deleted for logs
1147 log_deleted tinyint
NOT NULL default 0
1150 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1151 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1152 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1153 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1154 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1155 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1156 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1157 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1158 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1160 INSERT INTO /*_*/logging (log_user
,log_page
,log_params
) VALUES(0,0,'');
1162 ALTER TABLE /*_*/recentchanges
ADD CONSTRAINT rc_logid__log_id__fk
FOREIGN KEY (rc_logid
) REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE;
1164 CREATE TABLE /*_*/log_search (
1165 -- The type of ID (rev ID, log ID, rev timestamp, username)
1166 ls_field
nvarchar(32) NOT NULL,
1167 -- The value of the ID
1168 ls_value
nvarchar(255) NOT NULL,
1170 ls_log_id
int REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE
1172 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1173 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1176 -- Jobs performed by parallel apache threads or a command-line daemon
1177 CREATE TABLE /*_*/job (
1178 job_id
int NOT NULL PRIMARY KEY IDENTITY,
1181 -- Limited to 60 to prevent key length overflow
1182 job_cmd
nvarchar(60) NOT NULL default '',
1184 -- Namespace and title to act on
1185 -- Should be 0 and '' if the command does not operate on a title
1186 job_namespace
int NOT NULL,
1187 job_title
nvarchar(255) NOT NULL,
1189 -- Timestamp of when the job was inserted
1190 -- NULL for jobs added before addition of the timestamp
1191 job_timestamp
nvarchar(14) NULL default NULL,
1193 -- Any other parameters to the command
1194 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1195 job_params
nvarchar(max) NOT NULL,
1197 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1198 job_random
int NOT NULL default 0,
1200 -- The number of times this job has been locked
1201 job_attempts
int NOT NULL default 0,
1203 -- Field that conveys process locks on rows via process UUIDs
1204 job_token
nvarchar(32) NOT NULL default '',
1206 -- Timestamp when the job was locked
1207 job_token_timestamp
varchar(14) NULL default NULL,
1209 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1210 job_sha1
nvarchar(32) NOT NULL default ''
1213 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1214 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1215 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1216 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
);
1217 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1220 -- Details of updates to cached special pages
1221 CREATE TABLE /*_*/querycache_info (
1222 -- Special page name
1223 -- Corresponds to a qc_type value
1224 qci_type
nvarchar(32) NOT NULL default '',
1226 -- Timestamp of last update
1227 qci_timestamp
varchar(14) NOT NULL default ''
1230 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1233 -- For each redirect, this table contains exactly one row defining its target
1234 CREATE TABLE /*_*/redirect (
1235 -- Key to the page_id of the redirect page
1236 rd_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1238 -- Key to page_namespace/page_title of the target page.
1239 -- The target page may or may not exist, and due to renames
1240 -- and deletions may refer to different page records as time
1242 rd_namespace
int NOT NULL default 0,
1243 rd_title
nvarchar(255) NOT NULL default '',
1244 rd_interwiki
nvarchar(32) default NULL,
1245 rd_fragment
nvarchar(255) default NULL
1248 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1251 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1252 CREATE TABLE /*_*/querycachetwo (
1253 -- A key name, generally the base name of of the special page.
1254 qcc_type
nvarchar(32) NOT NULL,
1256 -- Some sort of stored value. Sizes, counts...
1257 qcc_value
int NOT NULL default 0,
1259 -- Target namespace+title
1260 qcc_namespace
int NOT NULL default 0,
1261 qcc_title
nvarchar(255) NOT NULL default '',
1263 -- Target namespace+title2
1264 qcc_namespacetwo
int NOT NULL default 0,
1265 qcc_titletwo
nvarchar(255) NOT NULL default ''
1268 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1269 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1270 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1273 -- Used for storing page restrictions (i.e. protection levels)
1274 CREATE TABLE /*_*/page_restrictions (
1275 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1276 pr_id
int NOT NULL PRIMARY KEY IDENTITY,
1277 -- Page to apply restrictions to (Foreign Key to page).
1278 pr_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1279 -- The protection type (edit, move, etc)
1280 pr_type
nvarchar(60) NOT NULL,
1281 -- The protection level (Sysop, autoconfirmed, etc)
1282 pr_level
nvarchar(60) NOT NULL,
1283 -- Whether or not to cascade the protection down to pages transcluded.
1284 pr_cascade
bit NOT NULL,
1285 -- Field for future support of per-user restriction.
1287 -- Field for time-limited protection.
1288 pr_expiry
varchar(14) NULL
1291 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1292 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1293 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1294 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1297 -- Protected titles - nonexistent pages that have been protected
1298 CREATE TABLE /*_*/protected_titles (
1299 pt_namespace
int NOT NULL,
1300 pt_title
nvarchar(255) NOT NULL,
1301 pt_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
1302 pt_reason
nvarchar(255) CONSTRAINT DF_pt_reason
DEFAULT '',
1303 pt_reason_id
bigint unsigned
NOT NULL CONSTRAINT DF_pt_reason_id
DEFAULT 0 CONSTRAINT FK_pt_reason_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
1304 pt_timestamp
varchar(14) NOT NULL,
1305 pt_expiry
varchar(14) NOT NULL,
1306 pt_create_perm
nvarchar(60) NOT NULL
1309 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1310 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1313 -- Name/value pairs indexed by page_id
1314 CREATE TABLE /*_*/page_props (
1315 pp_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1316 pp_propname
nvarchar(60) NOT NULL,
1317 pp_value
nvarchar(max) NOT NULL,
1318 pp_sortkey
float DEFAULT NULL
1321 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1322 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1323 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1326 -- A table to log updates, one text key row per update.
1327 CREATE TABLE /*_*/updatelog (
1328 ul_key
nvarchar(255) NOT NULL PRIMARY KEY,
1329 ul_value
nvarchar(max)
1333 -- A table to track tags for revisions, logs and recent changes.
1334 CREATE TABLE /*_*/change_tag (
1335 ct_id
int NOT NULL PRIMARY KEY IDENTITY,
1336 -- RCID for the change
1337 ct_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1338 -- LOGID for the change
1339 ct_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1340 -- REVID for the change
1341 ct_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1343 ct_tag
nvarchar(255) NOT NULL,
1344 -- Parameters for the tag, presently unused
1345 ct_params
nvarchar(max) NULL
1348 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1349 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1350 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1351 -- Covering index, so we can pull all the info only out of the index.
1352 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1355 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1356 -- that only works on MySQL 4.1+
1357 CREATE TABLE /*_*/tag_summary (
1358 ts_id
int NOT NULL PRIMARY KEY IDENTITY,
1359 -- RCID for the change
1360 ts_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1361 -- LOGID for the change
1362 ts_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1363 -- REVID for the change
1364 ts_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1365 -- Comma-separated list of tags
1366 ts_tags
nvarchar(max) NOT NULL
1369 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1370 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1371 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1374 CREATE TABLE /*_*/valid_tag (
1375 vt_tag
nvarchar(255) NOT NULL PRIMARY KEY
1378 -- Table for storing localisation data
1379 CREATE TABLE /*_*/l10n_cache (
1381 lc_lang
nvarchar(32) NOT NULL,
1383 lc_key
nvarchar(255) NOT NULL,
1385 lc_value
varbinary(max) NOT NULL
1387 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1389 -- Table caching which local files a module depends on that aren't
1390 -- registered directly, used for fast retrieval of file dependency.
1391 -- Currently only used for tracking images that CSS depends on
1392 CREATE TABLE /*_*/module_deps (
1394 md_module
nvarchar(255) NOT NULL,
1396 md_skin
nvarchar(32) NOT NULL,
1397 -- JSON nvarchar(max) with file dependencies
1398 md_deps
nvarchar(max) NOT NULL
1400 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1402 -- Holds all the sites known to the wiki.
1403 CREATE TABLE /*_*/sites (
1404 -- Numeric id of the site
1405 site_id
int NOT NULL PRIMARY KEY IDENTITY,
1407 -- Global identifier for the site, ie 'enwiktionary'
1408 site_global_key
nvarchar(32) NOT NULL,
1410 -- Type of the site, ie 'mediawiki'
1411 site_type
nvarchar(32) NOT NULL,
1413 -- Group of the site, ie 'wikipedia'
1414 site_group
nvarchar(32) NOT NULL,
1416 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1417 site_source
nvarchar(32) NOT NULL,
1419 -- Language code of the sites primary language.
1420 site_language
nvarchar(32) NOT NULL,
1422 -- Protocol of the site, ie 'http://', 'irc://', '//'
1423 -- This field is an index for lookups and is build from type specific data in site_data.
1424 site_protocol
nvarchar(32) NOT NULL,
1426 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1427 -- This field is an index for lookups and is build from type specific data in site_data.
1428 site_domain
NVARCHAR(255) NOT NULL,
1430 -- Type dependent site data.
1431 site_data
nvarchar(max) NOT NULL,
1433 -- If site.tld/path/key:pageTitle should forward users to the page on
1434 -- the actual site, where "key" is the local identifier.
1435 site_forward
bit NOT NULL,
1437 -- Type dependent site config.
1438 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1439 site_config
nvarchar(max) NOT NULL
1442 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1443 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1444 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1445 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1446 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1447 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1448 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1449 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1451 -- Links local site identifiers to their corresponding site.
1452 CREATE TABLE /*_*/site_identifiers (
1453 -- Key on site.site_id
1454 si_site
int NOT NULL REFERENCES /*_*/sites(site_id
) ON DELETE CASCADE,
1456 -- local key type, ie 'interwiki' or 'langlink'
1457 si_type
nvarchar(32) NOT NULL,
1459 -- local key value, ie 'en' or 'wiktionary'
1460 si_key
nvarchar(32) NOT NULL
1463 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1464 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1465 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);