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 -- The "actor" table associates user names or IP addresses with integers for
59 -- the benefit of other tables that need to refer to either logged-in or
60 -- logged-out users. If something can only ever be done by logged-in users, it
61 -- can refer to the user table directly.
63 CREATE TABLE /*_*/actor (
64 actor_id
bigint unsigned
NOT NULL CONSTRAINT PK_actor
PRIMARY KEY IDENTITY(0,1),
65 actor_user
int unsigned
,
66 actor_name
nvarchar(255) NOT NULL
68 CREATE UNIQUE INDEX /*i*/actor_user
ON /*_*/actor (actor_user
);
69 CREATE UNIQUE INDEX /*i*/actor_name
ON /*_*/actor (actor_name
);
71 -- Insert a dummy actor to represent no actor
72 INSERT INTO /*_*/actor (actor_name
) VALUES ('##Anonymous##');
75 -- User permissions have been broken out to a separate table;
76 -- this allows sites with a shared user table to have different
77 -- permissions assigned to a user in each project.
79 -- This table replaces the old user_rights field which used a
80 -- comma-separated nvarchar(max).
81 CREATE TABLE /*_*/user_groups (
82 ug_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
83 ug_group
NVARCHAR(255) NOT NULL DEFAULT '',
84 ug_expiry
varchar(14) DEFAULT NULL,
85 PRIMARY KEY(ug_user
, ug_group
)
87 CREATE INDEX /*i*/ug_group
ON /*_*/user_groups(ug_group
);
88 CREATE INDEX /*i*/ug_expiry
ON /*_*/user_groups(ug_expiry
);
90 -- Stores the groups the user has once belonged to.
91 -- The user may still belong to these groups (check user_groups).
92 -- Users are not autopromoted to groups from which they were removed.
93 CREATE TABLE /*_*/user_former_groups (
94 ufg_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
95 ufg_group
nvarchar(255) NOT NULL default ''
97 CREATE UNIQUE INDEX /*i*/ufg_user_group
ON /*_*/user_former_groups (ufg_user
,ufg_group
);
99 -- Stores notifications of user talk page changes, for the display
100 -- of the "you have new messages" box
101 -- Changed user_id column to user_id to avoid clashing with user_id function
102 CREATE TABLE /*_*/user_newtalk (
103 user_id
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
104 user_ip
NVARCHAR(40) NOT NULL DEFAULT '',
105 user_last_timestamp
varchar(14) DEFAULT NULL,
107 CREATE INDEX /*i*/un_user_id
ON /*_*/user_newtalk (user_id
);
108 CREATE INDEX /*i*/un_user_ip
ON /*_*/user_newtalk (user_ip
);
111 -- User preferences and other fun stuff
112 -- replaces old user.user_options nvarchar(max)
114 CREATE TABLE /*_*/user_properties (
115 up_user
INT NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
116 up_property
NVARCHAR(255) NOT NULL,
117 up_value
NVARCHAR(MAX),
119 CREATE UNIQUE CLUSTERED
INDEX /*i*/user_properties_user_property
ON /*_*/user_properties (up_user
,up_property
);
120 CREATE INDEX /*i*/user_properties_property
ON /*_*/user_properties (up_property
);
123 -- This table contains a user's bot passwords: passwords that allow access to
124 -- the account via the API with limited rights.
126 CREATE TABLE /*_*/bot_passwords (
127 bp_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
128 bp_app_id
nvarchar(32) NOT NULL,
129 bp_password
nvarchar(255) NOT NULL,
130 bp_token
nvarchar(255) NOT NULL,
131 bp_restrictions
nvarchar(max) NOT NULL,
132 bp_grants
nvarchar(max) NOT NULL,
133 PRIMARY KEY (bp_user
, bp_app_id
)
138 -- Edits, blocks, and other actions typically have a textual comment describing
139 -- the action. They are stored here to reduce the size of the main tables, and
140 -- to allow for deduplication.
142 -- Deduplication is currently best-effort to avoid locking on inserts that
143 -- would be required for strict deduplication. There MAY be multiple rows with
144 -- the same comment_text and comment_data.
146 CREATE TABLE /*_*/comment (
147 comment_id
bigint unsigned
NOT NULL PRIMARY KEY IDENTITY(0,1),
148 comment_hash
INT NOT NULL,
149 comment_text
nvarchar(max) NOT NULL,
150 comment_data
nvarchar(max)
152 -- Index used for deduplication.
153 CREATE INDEX /*i*/comment_hash
ON /*_*/comment (comment_hash
);
155 -- dummy row for FKs. Hash is intentionally wrong so CommentStore won't match it.
156 INSERT INTO /*_*/comment (comment_hash
, comment_text
) VALUES (-1, '** dummy **');
160 -- Core of the wiki: each page has an entry here which identifies
161 -- it by title and contains some essential metadata.
163 CREATE TABLE /*_*/page (
164 page_id
INT NOT NULL PRIMARY KEY IDENTITY(0,1),
165 page_namespace
INT NOT NULL,
166 page_title
NVARCHAR(255) NOT NULL,
167 page_restrictions
NVARCHAR(255) NOT NULL,
168 page_is_redirect
BIT NOT NULL DEFAULT 0,
169 page_is_new
BIT NOT NULL DEFAULT 0,
170 page_random
real NOT NULL DEFAULT RAND(),
171 page_touched
varchar(14) NOT NULL default '',
172 page_links_updated
varchar(14) DEFAULT NULL,
173 page_latest
INT, -- FK inserted later
174 page_len
INT NOT NULL,
175 page_content_model
nvarchar(32) default null,
176 page_lang
VARBINARY(35) DEFAULT NULL
178 CREATE UNIQUE INDEX /*i*/name_title
ON /*_*/page (page_namespace
,page_title
);
179 CREATE INDEX /*i*/page_random
ON /*_*/page (page_random
);
180 CREATE INDEX /*i*/page_len
ON /*_*/page (page_len
);
181 CREATE INDEX /*i*/page_redirect_namespace_len
ON /*_*/page (page_is_redirect
, page_namespace
, page_len
);
183 -- insert a dummy page
184 INSERT INTO /*_*/page (page_namespace
, page_title
, page_restrictions
, page_latest
, page_len
) VALUES (-1,'','',0,0);
187 -- Every edit of a page creates also a revision row.
188 -- This stores metadata about the revision, and a reference
189 -- to the TEXT storage backend.
191 CREATE TABLE /*_*/revision (
192 rev_id
INT NOT NULL UNIQUE IDENTITY(0,1),
193 rev_page
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
194 rev_text_id
INT NOT NULL CONSTRAINT DF_rev_text_id
DEFAULT 0, -- FK added later
195 rev_comment
NVARCHAR(255) NOT NULL CONSTRAINT DF_rev_comment
DEFAULT '',
196 rev_user
INT REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
197 rev_user_text
NVARCHAR(255) NOT NULL DEFAULT '',
198 rev_timestamp
varchar(14) NOT NULL default '',
199 rev_minor_edit
BIT NOT NULL DEFAULT 0,
200 rev_deleted TINYINT
NOT NULL DEFAULT 0,
202 rev_parent_id
INT DEFAULT NULL REFERENCES /*_*/revision(rev_id
),
203 rev_sha1
nvarchar(32) not null default '',
204 rev_content_model
nvarchar(32) default null,
205 rev_content_format
nvarchar(64) default null
207 CREATE UNIQUE CLUSTERED
INDEX /*i*/rev_page_id
ON /*_*/revision (rev_page
, rev_id
);
208 CREATE INDEX /*i*/rev_timestamp
ON /*_*/revision (rev_timestamp
);
209 CREATE INDEX /*i*/page_timestamp
ON /*_*/revision (rev_page
,rev_timestamp
);
210 CREATE INDEX /*i*/user_timestamp
ON /*_*/revision (rev_user
,rev_timestamp
);
211 CREATE INDEX /*i*/usertext_timestamp
ON /*_*/revision (rev_user_text
,rev_timestamp
);
212 CREATE INDEX /*i*/page_user_timestamp
ON /*_*/revision (rev_page
,rev_user
,rev_timestamp
);
214 -- insert a dummy revision
215 INSERT INTO /*_*/revision (rev_page
,rev_text_id
,rev_comment
,rev_user
,rev_len
) VALUES (0,0,'',0,0);
217 ALTER TABLE /*_*/page
ADD CONSTRAINT FK_page_latest_page_id
FOREIGN KEY (page_latest
) REFERENCES /*_*/revision(rev_id
);
220 -- Temporary tables to avoid blocking on an alter of revision.
222 -- On large wikis like the English Wikipedia, altering the revision table is a
223 -- months-long process. This table is being created to avoid such an alter, and
224 -- will be merged back into revision in the future.
226 CREATE TABLE /*_*/revision_comment_temp (
227 revcomment_rev
INT NOT NULL CONSTRAINT FK_revcomment_rev
FOREIGN KEY REFERENCES /*_*/revision(rev_id
) ON DELETE CASCADE,
228 revcomment_comment_id
bigint unsigned
NOT NULL CONSTRAINT FK_revcomment_comment_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
229 CONSTRAINT PK_revision_comment_temp
PRIMARY KEY (revcomment_rev
, revcomment_comment_id
)
231 CREATE UNIQUE INDEX /*i*/revcomment_rev
ON /*_*/revision_comment_temp (revcomment_rev
);
233 CREATE TABLE /*_*/revision_actor_temp (
234 revactor_rev
int unsigned
NOT NULL CONSTRAINT FK_revactor_rev
FOREIGN KEY REFERENCES /*_*/revision(rev_id
) ON DELETE CASCADE,
235 revactor_actor
bigint unsigned
NOT NULL,
236 revactor_timestamp
varchar(14) NOT NULL CONSTRAINT DF_revactor_timestamp
DEFAULT '',
237 revactor_page
int unsigned
NOT NULL,
238 CONSTRAINT PK_revision_actor_temp
PRIMARY KEY (revactor_rev
, revactor_actor
)
240 CREATE UNIQUE INDEX /*i*/revactor_rev
ON /*_*/revision_actor_temp (revactor_rev
);
241 CREATE INDEX /*i*/actor_timestamp
ON /*_*/revision_actor_temp (revactor_actor
,revactor_timestamp
);
242 CREATE INDEX /*i*/page_actor_timestamp
ON /*_*/revision_actor_temp (revactor_page
,revactor_actor
,revactor_timestamp
);
245 -- Holds TEXT of individual page revisions.
247 -- Field names are a holdover from the 'old' revisions table in
248 -- MediaWiki 1.4 and earlier: an upgrade will transform that
249 -- table INTo the 'text' table to minimize unnecessary churning
250 -- and downtime. If upgrading, the other fields will be left unused.
251 CREATE TABLE /*_*/text (
252 old_id
INT NOT NULL PRIMARY KEY IDENTITY(0,1),
253 old_text
nvarchar(max) NOT NULL,
254 old_flags
NVARCHAR(255) NOT NULL,
257 -- insert a dummy text
258 INSERT INTO /*_*/text (old_text
,old_flags
) VALUES ('','');
260 ALTER TABLE /*_*/revision
ADD CONSTRAINT FK_rev_text_id_old_id
FOREIGN KEY (rev_text_id
) REFERENCES /*_*/text(old_id
) ON DELETE CASCADE;
263 -- Holding area for deleted articles, which may be viewed
264 -- or restored by admins through the Special:Undelete interface.
265 -- The fields generally correspond to the page, revision, and text
266 -- fields, with several caveats.
267 -- Cannot reasonably create views on this table, due to the presence of TEXT
269 CREATE TABLE /*_*/archive (
270 ar_id
int NOT NULL PRIMARY KEY IDENTITY,
271 ar_namespace
SMALLINT NOT NULL DEFAULT 0,
272 ar_title
NVARCHAR(255) NOT NULL DEFAULT '',
273 ar_comment
NVARCHAR(255) NOT NULL CONSTRAINT DF_ar_comment
DEFAULT '',
274 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
),
275 ar_user
INT CONSTRAINT ar_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
276 ar_user_text
NVARCHAR(255) NOT NULL CONSTRAINT DF_ar_user_text
DEFAULT '',
277 ar_actor
bigint unsigned
NOT NULL CONSTRAINT DF_ar_actor
DEFAULT 0,
278 ar_timestamp
varchar(14) NOT NULL default '',
279 ar_minor_edit
BIT NOT NULL DEFAULT 0,
280 ar_rev_id
INT NOT NULL, -- NOT a FK, the row gets deleted from revision and moved here
281 ar_text_id
INT NOT NULL CONSTRAINT DF_ar_text_id
DEFAULT 0 CONSTRAINT ar_text_id__old_id__fk
FOREIGN KEY REFERENCES /*_*/text(old_id
) ON DELETE CASCADE,
282 ar_deleted TINYINT
NOT NULL DEFAULT 0,
284 ar_page_id
INT NULL, -- NOT a FK, the row gets deleted from page and moved here
285 ar_parent_id
INT NULL, -- NOT FK
286 ar_sha1
nvarchar(32) default null,
287 ar_content_model
nvarchar(32) DEFAULT NULL,
288 ar_content_format
nvarchar(64) DEFAULT NULL
290 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
291 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
292 CREATE INDEX /*i*/ar_actor_timestamp
ON /*_*/archive (ar_actor
,ar_timestamp
);
293 CREATE UNIQUE INDEX /*i*/ar_revid_uniq
ON /*_*/archive (ar_rev_id
);
297 -- Slots represent an n:m relation between revisions and content objects.
298 -- A content object can have a specific "role" in one or more revisions.
299 -- Each revision can have multiple content objects, each having a different role.
301 CREATE TABLE /*_*/slots (
303 -- reference to rev_id
304 slot_revision_id
bigint unsigned
NOT NULL,
306 -- reference to role_id
307 slot_role_id
smallint unsigned
NOT NULL CONSTRAINT FK_slots_slot_role
FOREIGN KEY REFERENCES slot_roles(role_id
),
309 -- reference to content_id
310 slot_content_id
bigint unsigned
NOT NULL CONSTRAINT FK_slots_content_id
FOREIGN KEY REFERENCES content(content_id
),
312 -- The revision ID of the revision that originated the slot's content.
313 -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
314 slot_origin
bigint NOT NULL,
316 CONSTRAINT PK_slots
PRIMARY KEY (slot_revision_id
, slot_role_id
)
319 -- Index for finding revisions that modified a specific slot
320 CREATE INDEX /*i*/slot_revision_origin_role
ON /*_*/slots (slot_revision_id
, slot_origin
, slot_role_id
);
323 -- The content table represents content objects. It's primary purpose is to provide the necessary
324 -- meta-data for loading and interpreting a serialized data blob to create a content object.
326 CREATE TABLE /*_*/content (
328 -- ID of the content object
329 content_id
bigint unsigned
NOT NULL CONSTRAINT PK_content
PRIMARY KEY IDENTITY,
331 -- Nominal size of the content object (not necessarily of the serialized blob)
332 content_size
int unsigned
NOT NULL,
334 -- Nominal hash of the content object (not necessarily of the serialized blob)
335 content_sha1
varchar(32) NOT NULL,
337 -- reference to model_id
338 content_model
smallint unsigned
NOT NULL CONSTRAINT FK_content_content_models
FOREIGN KEY REFERENCES /*_*/content_models(model_id
),
340 -- URL-like address of the content blob
341 content_address
nvarchar(255) NOT NULL
345 -- Normalization table for role names
347 CREATE TABLE /*_*/slot_roles (
348 role_id
smallint NOT NULL CONSTRAINT PK_slot_roles
PRIMARY KEY IDENTITY,
349 role_name
nvarchar(64) NOT NULL
352 -- Index for looking of the internal ID of for a name
353 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
356 -- Normalization table for content model names
358 CREATE TABLE /*_*/content_models (
359 model_id
smallint NOT NULL CONSTRAINT PK_content_models
PRIMARY KEY IDENTITY,
360 model_name
nvarchar(64) NOT NULL
363 -- Index for looking of the internal ID of for a name
364 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
368 -- Track page-to-page hyperlinks within the wiki.
370 CREATE TABLE /*_*/pagelinks (
371 pl_from
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
372 pl_from_namespace
int NOT NULL DEFAULT 0,
373 pl_namespace
INT NOT NULL DEFAULT 0,
374 pl_title
NVARCHAR(255) NOT NULL DEFAULT '',
376 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
377 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
378 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
382 -- Track template inclusions.
384 CREATE TABLE /*_*/templatelinks (
385 tl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
386 tl_from_namespace
int NOT NULL default 0,
387 tl_namespace
int NOT NULL default 0,
388 tl_title
nvarchar(255) NOT NULL default ''
391 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
392 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
393 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
397 -- Track links to images *used inline*
398 -- We don't distinguish live from broken links here, so
399 -- they do not need to be changed on upload/removal.
401 CREATE TABLE /*_*/imagelinks (
402 -- Key to page_id of the page containing the image / media link.
403 il_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
404 il_from_namespace
int NOT NULL default 0,
406 -- Filename of target image.
407 -- This is also the page_title of the file's description page;
408 -- all such pages are in namespace 6 (NS_FILE).
409 il_to
nvarchar(255) NOT NULL default ''
412 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
413 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
414 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
417 -- Track category inclusions *used inline*
418 -- This tracks a single level of category membership
420 CREATE TABLE /*_*/categorylinks (
421 -- Key to page_id of the page defined as a category member.
422 cl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
424 -- Name of the category.
425 -- This is also the page_title of the category's description page;
426 -- all such pages are in namespace 14 (NS_CATEGORY).
427 cl_to
nvarchar(255) NOT NULL default '',
429 -- A binary string obtained by applying a sortkey generation algorithm
430 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
431 -- . page_title if cl_sortkey_prefix is nonempty.
432 cl_sortkey
varbinary(230) NOT NULL default 0x
,
434 -- A prefix for the raw sortkey manually specified by the user, either via
435 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
436 -- concatenated with a line break followed by the page title before the sortkey
437 -- conversion algorithm is run. We store this so that we can update
438 -- collations without reparsing all pages.
439 -- Note: If you change the length of this field, you also need to change
440 -- code in LinksUpdate.php. See T27254.
441 cl_sortkey_prefix
varbinary(255) NOT NULL default 0x
,
443 -- This isn't really used at present. Provided for an optional
444 -- sorting method by approximate addition time.
445 cl_timestamp
varchar(14) NOT NULL,
447 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
448 -- can be used to install new collation versions, tracking which rows are not
449 -- yet updated. '' means no collation, this is a legacy row that needs to be
450 -- updated by updateCollation.php. In the future, it might be possible to
451 -- specify different collations per category.
452 cl_collation
nvarchar(32) NOT NULL default '',
454 -- Stores whether cl_from is a category, file, or other page, so we can
455 -- paginate the three categories separately. This never has to be updated
456 -- after the page is created, since none of these page types can be moved to
458 cl_type
varchar(10) NOT NULL default 'page',
459 -- SQL server doesn't have enums, so we approximate with this
460 CONSTRAINT cl_type_ckc
CHECK (cl_type
IN('page', 'subcat', 'file'))
463 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
465 -- We always sort within a given category, and within a given type. FIXME:
466 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
467 -- callers won't be using an index: fix this?
468 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
470 -- Used by the API (and some extensions)
471 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
473 -- Used when updating collation (e.g. updateCollation.php)
474 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
477 -- Track all existing categories. Something is a category if 1) it has an entry
478 -- somewhere in categorylinks, or 2) it has a description page. Categories
479 -- might not have corresponding pages, so they need to be tracked separately.
481 CREATE TABLE /*_*/category (
483 cat_id
int NOT NULL PRIMARY KEY IDENTITY,
485 -- Name of the category, in the same form as page_title (with underscores).
486 -- If there is a category page corresponding to this category, by definition,
487 -- it has this name (in the Category namespace).
488 cat_title
nvarchar(255) NOT NULL,
490 -- The numbers of member pages (including categories and media), subcatego-
491 -- ries, and Image: namespace members, respectively. These are signed to
492 -- make underflow more obvious. We make the first number include the second
493 -- two for better sorting: subtracting for display is easy, adding for order-
495 cat_pages
int NOT NULL default 0,
496 cat_subcats
int NOT NULL default 0,
497 cat_files
int NOT NULL default 0
500 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
502 -- For Special:Mostlinkedcategories
503 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
507 -- Table defining tag names for IDs. Also stores hit counts to avoid expensive queries on change_tag
509 CREATE TABLE /*_*/change_tag_def (
510 -- Numerical ID of the tag (ct_tag_id refers to this)
511 ctd_id
int NOT NULL CONSTRAINT PK_change_tag_def
PRIMARY KEY IDENTITY,
512 -- Symbolic name of the tag (what would previously be put in ct_tag)
513 ctd_name
nvarchar(255) NOT NULL,
514 -- Whether this tag was defined manually by a privileged user using Special:Tags
515 ctd_user_defined tinyint
NOT NULL CONSTRAINT DF_ctd_user_defined
DEFAULT 0,
516 -- Number of times this tag was used
517 ctd_count
int NOT NULL CONSTRAINT DF_ctd_count
DEFAULT 0
518 ) /*$wgDBTableOptions*/;
520 CREATE UNIQUE INDEX /*i*/ctd_name
ON /*_*/change_tag_def (ctd_name
);
521 CREATE INDEX /*i*/ctd_count
ON /*_*/change_tag_def (ctd_count
);
522 CREATE INDEX /*i*/ctd_user_defined
ON /*_*/change_tag_def (ctd_user_defined
);
525 -- Track links to external URLs
527 CREATE TABLE /*_*/externallinks (
529 el_id
int NOT NULL PRIMARY KEY IDENTITY,
531 -- page_id of the referring page
532 el_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
535 el_to
nvarchar(max) NOT NULL,
537 -- In the case of HTTP URLs, this is the URL with any username or password
538 -- removed, and with the labels in the hostname reversed and converted to
539 -- lower case. An extra dot is added to allow for matching of either
540 -- example.com or *.example.com in a single scan.
542 -- http://user:password@sub.example.com/page.html
544 -- http://com.example.sub./page.html
545 -- which allows for fast searching for all pages under example.com with the
547 -- WHERE el_index LIKE 'http://com.example.%'
548 el_index
nvarchar(450) NOT NULL,
550 -- This is el_index truncated to 60 bytes to allow for sortable queries that
551 -- aren't supported by a partial index.
552 el_index_60
varbinary(60) NOT NULL
555 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
);
556 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index
);
557 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
558 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
559 -- el_to index intentionally not added; we cannot index nvarchar(max) columns,
560 -- but we also cannot restrict el_to to a smaller column size as the external
561 -- link may be larger.
564 -- Track interlanguage links
566 CREATE TABLE /*_*/langlinks (
567 -- page_id of the referring page
568 ll_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
570 -- Language code of the target
571 ll_lang
nvarchar(20) NOT NULL default '',
573 -- Title of the target, including namespace
574 ll_title
nvarchar(255) NOT NULL default ''
577 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
578 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
582 -- Track inline interwiki links
584 CREATE TABLE /*_*/iwlinks (
585 -- page_id of the referring page
586 iwl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
588 -- Interwiki prefix code of the target
589 iwl_prefix
nvarchar(20) NOT NULL default '',
591 -- Title of the target, including namespace
592 iwl_title
nvarchar(255) NOT NULL default ''
595 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
596 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
597 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
601 -- Contains a single row with some aggregate info
602 -- on the state of the site.
604 CREATE TABLE /*_*/site_stats (
605 -- The single row should contain 1 here.
606 ss_row_id
int NOT NULL CONSTRAINT /*i*/ss_row_id
PRIMARY KEY,
608 -- Total number of edits performed.
609 ss_total_edits
bigint default NULL,
611 -- See SiteStatsInit::articles().
612 ss_good_articles
bigint default NULL,
614 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page.
615 ss_total_pages
bigint default NULL,
617 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user.
618 ss_users
bigint default NULL,
620 -- Number of users that still edit.
621 ss_active_users
bigint default NULL,
623 -- Number of images, equivalent to SELECT COUNT(*) FROM image.
624 ss_images
bigint default NULL
629 -- The internet is full of jerks, alas. Sometimes it's handy
630 -- to block a vandal or troll account.
632 CREATE TABLE /*_*/ipblocks (
633 -- Primary key, introduced for privacy.
634 ipb_id
int NOT NULL PRIMARY KEY IDENTITY,
636 -- Blocked IP address in dotted-quad form or user name.
637 ipb_address
nvarchar(255) NOT NULL,
639 -- Blocked user ID or 0 for IP blocks.
640 ipb_user
int REFERENCES /*_*/mwuser(user_id
),
642 -- User ID who made the block.
643 ipb_by
int REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
645 -- Actor ID who made the block.
646 ipb_by_actor
bigint unsigned
NOT NULL CONSTRAINT DF_ipb_by_actor
DEFAULT 0,
648 -- User name of blocker
649 ipb_by_text
nvarchar(255) NOT NULL default '',
651 -- Text comment made by blocker.
652 ipb_reason
nvarchar(255) NOT NULL CONSTRAINT DF_ipb_reason
DEFAULT '',
654 -- Key to comment_id. Text comment made by blocker.
655 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
656 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
),
658 -- Creation (or refresh) date in standard YMDHMS form.
659 -- IP blocks expire automatically.
660 ipb_timestamp
varchar(14) NOT NULL default '',
662 -- Indicates that the IP address was banned because a banned
663 -- user accessed a page through it. If this is 1, ipb_address
664 -- will be hidden, and the block identified by block ID number.
665 ipb_auto
bit NOT NULL default 0,
667 -- If set to 1, block applies only to logged-out users
668 ipb_anon_only
bit NOT NULL default 0,
670 -- Block prevents account creation from matching IP addresses
671 ipb_create_account
bit NOT NULL default 1,
673 -- Block triggers autoblocks
674 ipb_enable_autoblock
bit NOT NULL default 1,
676 -- Time at which the block will expire.
678 ipb_expiry
varchar(14) NOT NULL,
680 -- Start and end of an address range, in hexadecimal
681 -- Size chosen to allow IPv6
682 -- FIXME: these fields were originally blank for single-IP blocks,
683 -- but now they are populated. No migration was ever done. They
684 -- should be fixed to be blank again for such blocks (T51504).
685 ipb_range_start
varchar(255) NOT NULL,
686 ipb_range_end
varchar(255) NOT NULL,
688 -- Flag for entries hidden from users and Sysops
689 ipb_deleted
bit NOT NULL default 0,
691 -- Block prevents user from accessing Special:Emailuser
692 ipb_block_email
bit NOT NULL default 0,
694 -- Block allows user to edit their own talk page
695 ipb_allow_usertalk
bit NOT NULL default 0,
697 -- ID of the block that caused this block to exist
698 -- Autoblocks set this to the original block
699 -- so that the original block being deleted also
700 -- deletes the autoblocks
701 ipb_parent_block_id
int default NULL REFERENCES /*_*/ipblocks(ipb_id
)
705 -- Unique index to support "user already blocked" messages
706 -- Any new options which prevent collisions should be included
707 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address
, ipb_user
, ipb_auto
, ipb_anon_only
);
709 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
710 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start
, ipb_range_end
);
711 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
712 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
713 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
717 -- Uploaded images and other files.
719 CREATE TABLE /*_*/image (
721 -- This is also the title of the associated description page,
722 -- which will be in namespace 6 (NS_FILE).
723 img_name
nvarchar(255) NOT NULL default '' PRIMARY KEY,
725 -- File size in bytes.
726 img_size
int NOT NULL default 0,
728 -- For images, size in pixels.
729 img_width
int NOT NULL default 0,
730 img_height
int NOT NULL default 0,
732 -- Extracted Exif metadata stored as a serialized PHP array.
733 img_metadata
varbinary(max) NOT NULL,
735 -- For images, bits per pixel if known.
736 img_bits
int NOT NULL default 0,
738 -- Media type as defined by the MEDIATYPE_xxx constants
739 img_media_type
varchar(16) default null,
741 -- major part of a MIME media type as defined by IANA
742 -- see https://www.iana.org/assignments/media-types/
743 img_major_mime
varchar(16) not null default 'unknown',
745 -- minor part of a MIME media type as defined by IANA
746 -- the minor parts are not required to adher to any standard
747 -- but should be consistent throughout the database
748 -- see https://www.iana.org/assignments/media-types/
749 img_minor_mime
nvarchar(100) NOT NULL default 'unknown',
751 -- Description field as entered by the uploader.
752 -- This is displayed in image upload history and logs.
753 img_description
nvarchar(255) NOT NULL CONSTRAINT DF_img_description
DEFAULT '',
754 img_description_id
bigint NOT NULL CONSTRAINT DF_img_description_id
DEFAULT 0 CONSTRAINT FK_img_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
756 -- user_id and user_name of uploader.
757 img_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
758 img_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_img_user_text
DEFAULT '',
759 img_actor
bigint unsigned
NOT NULL CONSTRAINT DF_img_actor
DEFAULT 0,
761 -- Time of the upload.
762 img_timestamp
nvarchar(14) NOT NULL default '',
764 -- SHA-1 content hash in base-36
765 img_sha1
nvarchar(32) NOT NULL default '',
767 CONSTRAINT img_major_mime_ckc
check (img_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
768 CONSTRAINT img_media_type_ckc
check (img_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
771 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
772 CREATE INDEX /*i*/img_actor_timestamp
ON /*_*/image (img_actor
, img_timestamp
);
773 -- Used by Special:ListFiles for sort-by-size
774 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
775 -- Used by Special:Newimages and Special:ListFiles
776 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
777 -- Used in API and duplicate search
778 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
779 -- Used to get media of one type
780 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
783 -- Temporary table to avoid blocking on an alter of image.
785 -- On large wikis like Wikimedia Commons, altering the image table is a
786 -- months-long process. This table is being created to avoid such an alter, and
787 -- will be merged back into image in the future.
789 CREATE TABLE /*_*/image_comment_temp (
790 imgcomment_name
nvarchar(255) NOT NULL CONSTRAINT FK_imgcomment_name
FOREIGN KEY REFERENCES /*_*/image(imgcomment_name
) ON DELETE CASCADE,
791 imgcomment_description_id
bigint unsigned
NOT NULL CONSTRAINT FK_imgcomment_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
792 CONSTRAINT PK_image_comment_temp
PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
794 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
798 -- Previous revisions of uploaded files.
799 -- Awkwardly, image rows have to be moved into
800 -- this table at re-upload time.
802 CREATE TABLE /*_*/oldimage (
803 -- Base filename: key to image.img_name
804 -- Not a FK because deleting images removes them from image
805 oi_name
nvarchar(255) NOT NULL default '',
807 -- Filename of the archived file.
808 -- This is generally a timestamp and '!' prepended to the base name.
809 oi_archive_name
nvarchar(255) NOT NULL default '',
811 -- Other fields as in image...
812 oi_size
int NOT NULL default 0,
813 oi_width
int NOT NULL default 0,
814 oi_height
int NOT NULL default 0,
815 oi_bits
int NOT NULL default 0,
816 oi_description
nvarchar(255) NOT NULL CONSTRAINT DF_oi_description
DEFAULT '',
817 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
),
818 oi_user
int REFERENCES /*_*/mwuser(user_id
),
819 oi_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_oi_user_text
DEFAULT '',
820 oi_actor
bigint unsigned
NOT NULL CONSTRAINT DF_oi_actor
DEFAULT 0,
821 oi_timestamp
varchar(14) NOT NULL default '',
823 oi_metadata
varbinary(max) NOT NULL,
824 oi_media_type
varchar(16) default null,
825 oi_major_mime
varchar(16) not null default 'unknown',
826 oi_minor_mime
nvarchar(100) NOT NULL default 'unknown',
827 oi_deleted tinyint
NOT NULL default 0,
828 oi_sha1
nvarchar(32) NOT NULL default '',
830 CONSTRAINT oi_major_mime_ckc
check (oi_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
831 CONSTRAINT oi_media_type_ckc
check (oi_media_type
IN('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
834 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
835 CREATE INDEX /*i*/oi_actor_timestamp
ON /*_*/oldimage (oi_actor
,oi_timestamp
);
836 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
837 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
841 -- Record of deleted file data
843 CREATE TABLE /*_*/filearchive (
845 fa_id
int NOT NULL PRIMARY KEY IDENTITY,
847 -- Original base filename; key to image.img_name, page.page_title, etc
848 fa_name
nvarchar(255) NOT NULL default '',
850 -- Filename of archived file, if an old revision
851 fa_archive_name
nvarchar(255) default '',
853 -- Which storage bin (directory tree or object store) the file data
854 -- is stored in. Should be 'deleted' for files that have been deleted;
855 -- any other bin is not yet in use.
856 fa_storage_group
nvarchar(16),
858 -- SHA-1 of the file contents plus extension, used as a key for storage.
859 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
861 -- If NULL, the file was missing at deletion time or has been purged
862 -- from the archival storage.
863 fa_storage_key
nvarchar(64) default '',
865 -- Deletion information, if this file is deleted.
867 fa_deleted_timestamp
varchar(14) default '',
868 fa_deleted_reason
nvarchar(max) CONSTRAINT DF_fa_deleted_reason
DEFAULT '',
869 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
),
871 -- Duped fields from image
872 fa_size
int default 0,
873 fa_width
int default 0,
874 fa_height
int default 0,
875 fa_metadata
varbinary(max),
876 fa_bits
int default 0,
877 fa_media_type
varchar(16) default null,
878 fa_major_mime
varchar(16) not null default 'unknown',
879 fa_minor_mime
nvarchar(100) default 'unknown',
880 fa_description
nvarchar(255) CONSTRAINT DF_fa_description
DEFAULT '',
881 fa_description_id
bigint unsigned
NOT NULL CONSTRAINT DF_fa_description
DEFAULT 0 CONSTRAINT FK_fa_description
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
882 fa_user
int default 0 REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
883 fa_user_text
nvarchar(255) CONSTRAINT DF_fa_user_text
DEFAULT '',
884 fa_actor
bigint unsigned
NOT NULL CONSTRAINT DF_fa_actor
DEFAULT 0,
885 fa_timestamp
varchar(14) default '',
887 -- Visibility of deleted revisions, bitfield
888 fa_deleted tinyint
NOT NULL default 0,
890 -- sha1 hash of file content
891 fa_sha1
nvarchar(32) NOT NULL default '',
893 CONSTRAINT fa_major_mime_ckc
check (fa_major_mime
in('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
894 CONSTRAINT fa_media_type_ckc
check (fa_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
897 -- pick out by image name
898 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
899 -- pick out dupe files
900 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
901 -- sort by deletion time
902 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
904 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
905 CREATE INDEX /*i*/fa_actor_timestamp
ON /*_*/filearchive (fa_actor
,fa_timestamp
);
906 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
907 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1
);
911 -- Store information about newly uploaded files before they're
912 -- moved into the actual filestore
914 CREATE TABLE /*_*/uploadstash (
915 us_id
int NOT NULL PRIMARY KEY IDENTITY,
917 -- the user who uploaded the file.
918 us_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
920 -- file key. this is how applications actually search for the file.
921 -- this might go away, or become the primary key.
922 us_key
nvarchar(255) NOT NULL,
925 us_orig_path
nvarchar(255) NOT NULL,
927 -- the temporary path at which the file is actually stored
928 us_path
nvarchar(255) NOT NULL,
930 -- which type of upload the file came from (sometimes)
931 us_source_type
nvarchar(50),
933 -- the date/time on which the file was added
934 us_timestamp
varchar(14) NOT NULL,
936 us_status
nvarchar(50) NOT NULL,
938 -- chunk counter starts at 0, current offset is stored in us_size
939 us_chunk_inx
int NULL,
941 -- Serialized file properties from FSFile::getProps()
942 us_props
nvarchar(max),
944 -- file size in bytes
945 us_size
int NOT NULL,
946 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
947 us_sha1
nvarchar(31) NOT NULL,
948 us_mime
nvarchar(255),
949 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
950 us_media_type
varchar(16) default null,
951 -- image-specific properties
954 us_image_bits
smallint,
956 CONSTRAINT us_media_type_ckc
check (us_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE', '3D'))
959 -- sometimes there's a delete for all of a user's stuff.
960 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
961 -- pick out files by key, enforce key uniqueness
962 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
963 -- the abandoned upload cleanup script needs this
964 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
968 -- Primarily a summary table for Special:Recentchanges,
969 -- this table contains some additional info on edits from
970 -- the last few days, see Article::editUpdates()
972 CREATE TABLE /*_*/recentchanges (
973 rc_id
int NOT NULL CONSTRAINT recentchanges__pk
PRIMARY KEY IDENTITY,
974 rc_timestamp
varchar(14) not null default '',
977 rc_user
int NOT NULL default 0 CONSTRAINT rc_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
978 rc_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_rc_user_text
DEFAULT '',
979 rc_actor
bigint unsigned
NOT NULL CONSTRAINT DF_rc_actor
DEFAULT 0,
981 -- When pages are renamed, their RC entries do _not_ change.
982 rc_namespace
int NOT NULL default 0,
983 rc_title
nvarchar(255) NOT NULL default '',
986 rc_comment
nvarchar(255) NOT NULL default '',
987 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
),
988 rc_minor
bit NOT NULL default 0,
990 -- Edits by user accounts with the 'bot' rights key are
991 -- marked with a 1 here, and will be hidden from the
993 rc_bot
bit NOT NULL default 0,
995 -- Set if this change corresponds to a page creation
996 rc_new
bit NOT NULL default 0,
998 -- Key to page_id (was cur_id prior to 1.5).
999 -- This will keep links working after moves while
1000 -- retaining the at-the-time name in the changes list.
1001 rc_cur_id
int, -- NOT FK
1003 -- rev_id of the given revision
1004 rc_this_oldid
int, -- NOT FK
1006 -- rev_id of the prior revision, for generating diff links.
1007 rc_last_oldid
int, -- NOT FK
1009 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
1010 rc_type tinyint
NOT NULL default 0,
1012 -- The source of the change entry (replaces rc_type)
1013 -- default of '' is temporary, needed for initial migration
1014 rc_source
nvarchar(16) not null default '',
1016 -- If the Recent Changes Patrol option is enabled,
1017 -- users may mark edits as having been reviewed to
1018 -- remove a warning flag on the RC list.
1019 -- A value of 1 indicates the page has been reviewed manually.
1020 -- A value of 2 indicates the page has been automatically reviewed.
1021 rc_patrolled tinyint
NOT NULL CONSTRAINT DF_rc_patrolled
DEFAULT 0
1023 -- Recorded IP address the edit was made from, if the
1024 -- $wgPutIPinRC option is enabled.
1025 rc_ip
nvarchar(40) NOT NULL default '',
1027 -- Text length in characters before
1028 -- and after the edit
1032 -- Visibility of recent changes items, bitfield
1033 rc_deleted tinyint
NOT NULL default 0,
1035 -- Value corresponding to log_id, specific log entries
1036 rc_logid
int, -- FK added later
1037 -- Store log type info here, or null
1038 rc_log_type
nvarchar(255) NULL default NULL,
1039 -- Store log action or null
1040 rc_log_action
nvarchar(255) NULL default NULL,
1042 rc_params
nvarchar(max) NULL
1045 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1046 CREATE INDEX /*i*/rc_namespace_title_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_title
, rc_timestamp
);
1047 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1048 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1049 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1050 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1051 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1052 CREATE INDEX /*i*/rc_ns_actor
ON /*_*/recentchanges (rc_namespace
, rc_actor
);
1053 CREATE INDEX /*i*/rc_actor
ON /*_*/recentchanges (rc_actor
, rc_timestamp
);
1054 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1057 CREATE TABLE /*_*/watchlist (
1058 wl_id
int NOT NULL PRIMARY KEY IDENTITY,
1059 -- Key to user.user_id
1060 wl_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
1062 -- Key to page_namespace/page_title
1063 -- Note that users may watch pages which do not exist yet,
1064 -- or existed in the past but have been deleted.
1065 wl_namespace
int NOT NULL default 0,
1066 wl_title
nvarchar(255) NOT NULL default '',
1068 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1069 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1070 -- of the page, which means that they should be sent an e-mail on the next change.
1071 wl_notificationtimestamp
varchar(14)
1075 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1076 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1080 -- Our search index for the builtin MediaWiki search
1082 CREATE TABLE /*_*/searchindex (
1084 si_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1086 -- Munged version of title
1087 si_title
nvarchar(255) NOT NULL default '',
1089 -- Munged version of body text
1090 si_text
nvarchar(max) NOT NULL
1093 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1094 -- Fulltext index is defined in MssqlInstaller.php
1097 -- Recognized interwiki link prefixes
1099 CREATE TABLE /*_*/interwiki (
1100 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1101 iw_prefix
nvarchar(32) NOT NULL,
1103 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1104 -- Any spaces in the name will be transformed to underscores before
1106 iw_url
nvarchar(max) NOT NULL,
1108 -- The URL of the file api.php
1109 iw_api
nvarchar(max) NOT NULL,
1111 -- The name of the database (for a connection to be established with LBFactory::getMainLB( 'wikiid' ))
1112 iw_wikiid
nvarchar(64) NOT NULL,
1114 -- A boolean value indicating whether the wiki is in this project
1115 -- (used, for example, to detect redirect loops)
1116 iw_local
bit NOT NULL,
1118 -- Boolean value indicating whether interwiki transclusions are allowed.
1119 iw_trans
bit NOT NULL default 0
1122 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1126 -- Used for caching expensive grouped queries
1128 CREATE TABLE /*_*/querycache (
1129 -- A key name, generally the base name of of the special page.
1130 qc_type
nvarchar(32) NOT NULL,
1132 -- Some sort of stored value. Sizes, counts...
1133 qc_value
int NOT NULL default 0,
1135 -- Target namespace+title
1136 qc_namespace
int NOT NULL default 0,
1137 qc_title
nvarchar(255) NOT NULL default ''
1140 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1144 -- For a few generic cache operations if not using Memcached
1146 CREATE TABLE /*_*/objectcache (
1147 keyname
nvarchar(255) NOT NULL default '' PRIMARY KEY,
1148 value varbinary(max),
1151 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1155 -- Cache of interwiki transclusion
1157 CREATE TABLE /*_*/transcache (
1158 tc_url
nvarchar(255) NOT NULL,
1159 tc_contents
nvarchar(max),
1160 tc_time
varchar(14) NOT NULL
1163 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1166 CREATE TABLE /*_*/logging (
1167 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1168 log_id
int NOT NULL PRIMARY KEY IDENTITY(0,1),
1170 -- Symbolic keys for the general log type and the action type
1171 -- within the log. The output format will be controlled by the
1172 -- action field, but only the type controls categorization.
1173 log_type
nvarchar(32) NOT NULL default '',
1174 log_action
nvarchar(32) NOT NULL default '',
1177 log_timestamp
varchar(14) NOT NULL default '',
1179 -- The user who performed this action; key to user_id
1180 log_user
int, -- NOT an FK, if a user is deleted we still want to maintain a record of who did a thing
1182 -- Name of the user who performed this action
1183 log_user_text
nvarchar(255) NOT NULL default '',
1185 -- The actor who performed this action
1186 log_actor
bigint unsigned
NOT NULL CONSTRAINT DF_log_actor
DEFAULT 0,
1188 -- Key to the page affected. Where a user is the target,
1189 -- this will point to the user page.
1190 log_namespace
int NOT NULL default 0,
1191 log_title
nvarchar(255) NOT NULL default '',
1192 log_page
int NULL, -- NOT an FK, logging entries are inserted for deleted pages which still reference the deleted page ids
1194 -- Freeform text. Interpreted as edit history comments.
1195 log_comment
nvarchar(255) NOT NULL default '',
1197 -- Key to comment_id. Comment summarizing the change.
1198 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1199 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
),
1201 -- miscellaneous parameters:
1202 -- LF separated list (old system) or serialized PHP array (new system)
1203 log_params
nvarchar(max) NOT NULL,
1205 -- rev_deleted for logs
1206 log_deleted tinyint
NOT NULL default 0
1209 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1210 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1211 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1212 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1213 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1214 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1215 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1216 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1217 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1218 CREATE INDEX /*i*/actor_time
ON /*_*/logging (log_actor
, log_timestamp
);
1219 CREATE INDEX /*i*/log_actor_type_time
ON /*_*/logging (log_actor
, log_type
, log_timestamp
);
1221 INSERT INTO /*_*/logging (log_user
,log_page
,log_params
) VALUES(0,0,'');
1223 ALTER TABLE /*_*/recentchanges
ADD CONSTRAINT rc_logid__log_id__fk
FOREIGN KEY (rc_logid
) REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE;
1225 CREATE TABLE /*_*/log_search (
1226 -- The type of ID (rev ID, log ID, rev timestamp, username)
1227 ls_field
nvarchar(32) NOT NULL,
1228 -- The value of the ID
1229 ls_value
nvarchar(255) NOT NULL,
1231 ls_log_id
int REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE
1233 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1234 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1237 -- Jobs performed by parallel apache threads or a command-line daemon
1238 CREATE TABLE /*_*/job (
1239 job_id
int NOT NULL PRIMARY KEY IDENTITY,
1242 -- Limited to 60 to prevent key length overflow
1243 job_cmd
nvarchar(60) NOT NULL default '',
1245 -- Namespace and title to act on
1246 -- Should be 0 and '' if the command does not operate on a title
1247 job_namespace
int NOT NULL,
1248 job_title
nvarchar(255) NOT NULL,
1250 -- Timestamp of when the job was inserted
1251 -- NULL for jobs added before addition of the timestamp
1252 job_timestamp
nvarchar(14) NULL default NULL,
1254 -- Any other parameters to the command
1255 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1256 job_params
nvarchar(max) NOT NULL,
1258 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1259 job_random
int NOT NULL default 0,
1261 -- The number of times this job has been locked
1262 job_attempts
int NOT NULL default 0,
1264 -- Field that conveys process locks on rows via process UUIDs
1265 job_token
nvarchar(32) NOT NULL default '',
1267 -- Timestamp when the job was locked
1268 job_token_timestamp
varchar(14) NULL default NULL,
1270 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1271 job_sha1
nvarchar(32) NOT NULL default ''
1274 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1275 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1276 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1277 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
);
1278 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1281 -- Details of updates to cached special pages
1282 CREATE TABLE /*_*/querycache_info (
1283 -- Special page name
1284 -- Corresponds to a qc_type value
1285 qci_type
nvarchar(32) NOT NULL default '',
1287 -- Timestamp of last update
1288 qci_timestamp
varchar(14) NOT NULL default ''
1291 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1294 -- For each redirect, this table contains exactly one row defining its target
1295 CREATE TABLE /*_*/redirect (
1296 -- Key to the page_id of the redirect page
1297 rd_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1299 -- Key to page_namespace/page_title of the target page.
1300 -- The target page may or may not exist, and due to renames
1301 -- and deletions may refer to different page records as time
1303 rd_namespace
int NOT NULL default 0,
1304 rd_title
nvarchar(255) NOT NULL default '',
1305 rd_interwiki
nvarchar(32) default NULL,
1306 rd_fragment
nvarchar(255) default NULL
1309 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1312 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1313 CREATE TABLE /*_*/querycachetwo (
1314 -- A key name, generally the base name of of the special page.
1315 qcc_type
nvarchar(32) NOT NULL,
1317 -- Some sort of stored value. Sizes, counts...
1318 qcc_value
int NOT NULL default 0,
1320 -- Target namespace+title
1321 qcc_namespace
int NOT NULL default 0,
1322 qcc_title
nvarchar(255) NOT NULL default '',
1324 -- Target namespace+title2
1325 qcc_namespacetwo
int NOT NULL default 0,
1326 qcc_titletwo
nvarchar(255) NOT NULL default ''
1329 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1330 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1331 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1334 -- Used for storing page restrictions (i.e. protection levels)
1335 CREATE TABLE /*_*/page_restrictions (
1336 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1337 pr_id
int NOT NULL PRIMARY KEY IDENTITY,
1338 -- Page to apply restrictions to (Foreign Key to page).
1339 pr_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1340 -- The protection type (edit, move, etc)
1341 pr_type
nvarchar(60) NOT NULL,
1342 -- The protection level (Sysop, autoconfirmed, etc)
1343 pr_level
nvarchar(60) NOT NULL,
1344 -- Whether or not to cascade the protection down to pages transcluded.
1345 pr_cascade
bit NOT NULL,
1346 -- Field for future support of per-user restriction.
1348 -- Field for time-limited protection.
1349 pr_expiry
varchar(14) NULL
1352 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1353 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1354 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1355 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1358 -- Protected titles - nonexistent pages that have been protected
1359 CREATE TABLE /*_*/protected_titles (
1360 pt_namespace
int NOT NULL,
1361 pt_title
nvarchar(255) NOT NULL,
1362 pt_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
1363 pt_reason
nvarchar(255) CONSTRAINT DF_pt_reason
DEFAULT '',
1364 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
),
1365 pt_timestamp
varchar(14) NOT NULL,
1366 pt_expiry
varchar(14) NOT NULL,
1367 pt_create_perm
nvarchar(60) NOT NULL
1370 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1371 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1374 -- Name/value pairs indexed by page_id
1375 CREATE TABLE /*_*/page_props (
1376 pp_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1377 pp_propname
nvarchar(60) NOT NULL,
1378 pp_value
nvarchar(max) NOT NULL,
1379 pp_sortkey
float DEFAULT NULL
1382 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1383 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1384 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1387 -- A table to log updates, one text key row per update.
1388 CREATE TABLE /*_*/updatelog (
1389 ul_key
nvarchar(255) NOT NULL PRIMARY KEY,
1390 ul_value
nvarchar(max)
1394 -- A table to track tags for revisions, logs and recent changes.
1395 CREATE TABLE /*_*/change_tag (
1396 ct_id
int NOT NULL PRIMARY KEY IDENTITY,
1397 -- RCID for the change
1398 ct_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1399 -- LOGID for the change
1400 ct_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1401 -- REVID for the change
1402 ct_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1404 ct_tag
nvarchar(255) NOT NULL,
1405 -- Parameters for the tag, presently unused
1406 ct_params
nvarchar(max) NULL,
1407 -- Foreign key to change_tag_def row
1408 ct_tag_id
int NULL CONSTRAINT ctd_tag_id__fk
FOREIGN KEY REFERENCES /*_*/change_tag_def(ctd_id
)
1411 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1412 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1413 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1414 -- Covering index, so we can pull all the info only out of the index.
1415 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1416 CREATE INDEX /*i*/change_tag_tag_id_id
ON /*_*/change_tag (ct_tag_id
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1418 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1419 -- that only works on MySQL 4.1+
1420 CREATE TABLE /*_*/tag_summary (
1421 ts_id
int NOT NULL PRIMARY KEY IDENTITY,
1422 -- RCID for the change
1423 ts_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1424 -- LOGID for the change
1425 ts_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1426 -- REVID for the change
1427 ts_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1428 -- Comma-separated list of tags
1429 ts_tags
nvarchar(max) NOT NULL
1432 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1433 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1434 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1437 CREATE TABLE /*_*/valid_tag (
1438 vt_tag
nvarchar(255) NOT NULL PRIMARY KEY
1441 -- Table for storing localisation data
1442 CREATE TABLE /*_*/l10n_cache (
1444 lc_lang
nvarchar(32) NOT NULL,
1446 lc_key
nvarchar(255) NOT NULL,
1448 lc_value
varbinary(max) NOT NULL
1450 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1452 -- Table caching which local files a module depends on that aren't
1453 -- registered directly, used for fast retrieval of file dependency.
1454 -- Currently only used for tracking images that CSS depends on
1455 CREATE TABLE /*_*/module_deps (
1457 md_module
nvarchar(255) NOT NULL,
1459 md_skin
nvarchar(32) NOT NULL,
1460 -- JSON nvarchar(max) with file dependencies
1461 md_deps
nvarchar(max) NOT NULL
1463 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1465 -- Holds all the sites known to the wiki.
1466 CREATE TABLE /*_*/sites (
1467 -- Numeric id of the site
1468 site_id
int NOT NULL PRIMARY KEY IDENTITY,
1470 -- Global identifier for the site, ie 'enwiktionary'
1471 site_global_key
nvarchar(32) NOT NULL,
1473 -- Type of the site, ie 'mediawiki'
1474 site_type
nvarchar(32) NOT NULL,
1476 -- Group of the site, ie 'wikipedia'
1477 site_group
nvarchar(32) NOT NULL,
1479 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1480 site_source
nvarchar(32) NOT NULL,
1482 -- Language code of the sites primary language.
1483 site_language
nvarchar(32) NOT NULL,
1485 -- Protocol of the site, ie 'http://', 'irc://', '//'
1486 -- This field is an index for lookups and is build from type specific data in site_data.
1487 site_protocol
nvarchar(32) NOT NULL,
1489 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1490 -- This field is an index for lookups and is build from type specific data in site_data.
1491 site_domain
NVARCHAR(255) NOT NULL,
1493 -- Type dependent site data.
1494 site_data
nvarchar(max) NOT NULL,
1496 -- If site.tld/path/key:pageTitle should forward users to the page on
1497 -- the actual site, where "key" is the local identifier.
1498 site_forward
bit NOT NULL,
1500 -- Type dependent site config.
1501 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1502 site_config
nvarchar(max) NOT NULL
1505 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1506 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1507 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1508 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1509 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1510 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1511 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1512 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1514 -- Links local site identifiers to their corresponding site.
1515 CREATE TABLE /*_*/site_identifiers (
1516 -- Key on site.site_id
1517 si_site
int NOT NULL REFERENCES /*_*/sites(site_id
) ON DELETE CASCADE,
1519 -- local key type, ie 'interwiki' or 'langlink'
1520 si_type
nvarchar(32) NOT NULL,
1522 -- local key value, ie 'en' or 'wiktionary'
1523 si_key
nvarchar(32) NOT NULL
1526 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1527 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1528 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);