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_text
NVARCHAR(MAX) NOT NULL,
274 ar_comment
NVARCHAR(255) NOT NULL CONSTRAINT DF_ar_comment
DEFAULT '',
275 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
),
276 ar_user
INT CONSTRAINT ar_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
277 ar_user_text
NVARCHAR(255) NOT NULL CONSTRAINT DF_ar_user_text
DEFAULT '',
278 ar_actor
bigint unsigned
NOT NULL CONSTRAINT DF_ar_actor
DEFAULT 0,
279 ar_timestamp
varchar(14) NOT NULL default '',
280 ar_minor_edit
BIT NOT NULL DEFAULT 0,
281 ar_flags
NVARCHAR(255) NOT NULL,
282 ar_rev_id
INT NULL, -- NOT a FK, the row gets deleted from revision and moved here
283 ar_text_id
INT CONSTRAINT ar_text_id__old_id__fk
FOREIGN KEY REFERENCES /*_*/text(old_id
) ON DELETE CASCADE,
284 ar_deleted TINYINT
NOT NULL DEFAULT 0,
286 ar_page_id
INT NULL, -- NOT a FK, the row gets deleted from page and moved here
287 ar_parent_id
INT NULL, -- NOT FK
288 ar_sha1
nvarchar(32) default null,
289 ar_content_model
nvarchar(32) DEFAULT NULL,
290 ar_content_format
nvarchar(64) DEFAULT NULL
292 CREATE INDEX /*i*/name_title_timestamp
ON /*_*/archive (ar_namespace
,ar_title
,ar_timestamp
);
293 CREATE INDEX /*i*/ar_usertext_timestamp
ON /*_*/archive (ar_user_text
,ar_timestamp
);
294 CREATE INDEX /*i*/ar_actor_timestamp
ON /*_*/archive (ar_actor
,ar_timestamp
);
295 CREATE INDEX /*i*/ar_revid
ON /*_*/archive (ar_rev_id
);
299 -- Slots represent an n:m relation between revisions and content objects.
300 -- A content object can have a specific "role" in one or more revisions.
301 -- Each revision can have multiple content objects, each having a different role.
303 CREATE TABLE /*_*/slots (
305 -- reference to rev_id
306 slot_revision_id
bigint unsigned
NOT NULL,
308 -- reference to role_id
309 slot_role_id
smallint unsigned
NOT NULL CONSTRAINT FK_slots_slot_role
FOREIGN KEY REFERENCES slot_roles(role_id
),
311 -- reference to content_id
312 slot_content_id
bigint unsigned
NOT NULL CONSTRAINT FK_slots_content_id
FOREIGN KEY REFERENCES content(content_id
),
314 -- The revision ID of the revision that originated the slot's content.
315 -- To find revisions that changed slots, look for slot_origin = slot_revision_id.
316 slot_origin
bigint NOT NULL,
318 CONSTRAINT PK_slots
PRIMARY KEY (slot_revision_id
, slot_role_id
)
321 -- Index for finding revisions that modified a specific slot
322 CREATE INDEX /*i*/slot_revision_origin_role
ON /*_*/slots (slot_revision_id
, slot_origin
, slot_role_id
);
325 -- The content table represents content objects. It's primary purpose is to provide the necessary
326 -- meta-data for loading and interpreting a serialized data blob to create a content object.
328 CREATE TABLE /*_*/content (
330 -- ID of the content object
331 content_id
bigint unsigned
NOT NULL CONSTRAINT PK_content
PRIMARY KEY IDENTITY,
333 -- Nominal size of the content object (not necessarily of the serialized blob)
334 content_size
int unsigned
NOT NULL,
336 -- Nominal hash of the content object (not necessarily of the serialized blob)
337 content_sha1
varchar(32) NOT NULL,
339 -- reference to model_id
340 content_model
smallint unsigned
NOT NULL CONSTRAINT FK_content_content_models
FOREIGN KEY REFERENCES /*_*/content_models(model_id
),
342 -- URL-like address of the content blob
343 content_address
nvarchar(255) NOT NULL
347 -- Normalization table for role names
349 CREATE TABLE /*_*/slot_roles (
350 role_id
smallint NOT NULL CONSTRAINT PK_slot_roles
PRIMARY KEY IDENTITY,
351 role_name
nvarchar(64) NOT NULL
354 -- Index for looking of the internal ID of for a name
355 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
358 -- Normalization table for content model names
360 CREATE TABLE /*_*/content_models (
361 model_id
smallint NOT NULL CONSTRAINT PK_content_models
PRIMARY KEY IDENTITY,
362 model_name
nvarchar(64) NOT NULL
365 -- Index for looking of the internal ID of for a name
366 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
370 -- Track page-to-page hyperlinks within the wiki.
372 CREATE TABLE /*_*/pagelinks (
373 pl_from
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
374 pl_from_namespace
int NOT NULL DEFAULT 0,
375 pl_namespace
INT NOT NULL DEFAULT 0,
376 pl_title
NVARCHAR(255) NOT NULL DEFAULT '',
378 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
379 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
380 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
384 -- Track template inclusions.
386 CREATE TABLE /*_*/templatelinks (
387 tl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
388 tl_from_namespace
int NOT NULL default 0,
389 tl_namespace
int NOT NULL default 0,
390 tl_title
nvarchar(255) NOT NULL default ''
393 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
394 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
395 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
399 -- Track links to images *used inline*
400 -- We don't distinguish live from broken links here, so
401 -- they do not need to be changed on upload/removal.
403 CREATE TABLE /*_*/imagelinks (
404 -- Key to page_id of the page containing the image / media link.
405 il_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
406 il_from_namespace
int NOT NULL default 0,
408 -- Filename of target image.
409 -- This is also the page_title of the file's description page;
410 -- all such pages are in namespace 6 (NS_FILE).
411 il_to
nvarchar(255) NOT NULL default ''
414 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
415 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
416 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
419 -- Track category inclusions *used inline*
420 -- This tracks a single level of category membership
422 CREATE TABLE /*_*/categorylinks (
423 -- Key to page_id of the page defined as a category member.
424 cl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
426 -- Name of the category.
427 -- This is also the page_title of the category's description page;
428 -- all such pages are in namespace 14 (NS_CATEGORY).
429 cl_to
nvarchar(255) NOT NULL default '',
431 -- A binary string obtained by applying a sortkey generation algorithm
432 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
433 -- . page_title if cl_sortkey_prefix is nonempty.
434 cl_sortkey
varbinary(230) NOT NULL default 0x
,
436 -- A prefix for the raw sortkey manually specified by the user, either via
437 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
438 -- concatenated with a line break followed by the page title before the sortkey
439 -- conversion algorithm is run. We store this so that we can update
440 -- collations without reparsing all pages.
441 -- Note: If you change the length of this field, you also need to change
442 -- code in LinksUpdate.php. See T27254.
443 cl_sortkey_prefix
varbinary(255) NOT NULL default 0x
,
445 -- This isn't really used at present. Provided for an optional
446 -- sorting method by approximate addition time.
447 cl_timestamp
varchar(14) NOT NULL,
449 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
450 -- can be used to install new collation versions, tracking which rows are not
451 -- yet updated. '' means no collation, this is a legacy row that needs to be
452 -- updated by updateCollation.php. In the future, it might be possible to
453 -- specify different collations per category.
454 cl_collation
nvarchar(32) NOT NULL default '',
456 -- Stores whether cl_from is a category, file, or other page, so we can
457 -- paginate the three categories separately. This never has to be updated
458 -- after the page is created, since none of these page types can be moved to
460 cl_type
varchar(10) NOT NULL default 'page',
461 -- SQL server doesn't have enums, so we approximate with this
462 CONSTRAINT cl_type_ckc
CHECK (cl_type
IN('page', 'subcat', 'file'))
465 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
467 -- We always sort within a given category, and within a given type. FIXME:
468 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
469 -- callers won't be using an index: fix this?
470 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
472 -- Used by the API (and some extensions)
473 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
475 -- Used when updating collation (e.g. updateCollation.php)
476 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
479 -- Track all existing categories. Something is a category if 1) it has an entry
480 -- somewhere in categorylinks, or 2) it has a description page. Categories
481 -- might not have corresponding pages, so they need to be tracked separately.
483 CREATE TABLE /*_*/category (
485 cat_id
int NOT NULL PRIMARY KEY IDENTITY,
487 -- Name of the category, in the same form as page_title (with underscores).
488 -- If there is a category page corresponding to this category, by definition,
489 -- it has this name (in the Category namespace).
490 cat_title
nvarchar(255) NOT NULL,
492 -- The numbers of member pages (including categories and media), subcatego-
493 -- ries, and Image: namespace members, respectively. These are signed to
494 -- make underflow more obvious. We make the first number include the second
495 -- two for better sorting: subtracting for display is easy, adding for order-
497 cat_pages
int NOT NULL default 0,
498 cat_subcats
int NOT NULL default 0,
499 cat_files
int NOT NULL default 0
502 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
504 -- For Special:Mostlinkedcategories
505 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
509 -- Track links to external URLs
511 CREATE TABLE /*_*/externallinks (
513 el_id
int NOT NULL PRIMARY KEY IDENTITY,
515 -- page_id of the referring page
516 el_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
519 el_to
nvarchar(max) NOT NULL,
521 -- In the case of HTTP URLs, this is the URL with any username or password
522 -- removed, and with the labels in the hostname reversed and converted to
523 -- lower case. An extra dot is added to allow for matching of either
524 -- example.com or *.example.com in a single scan.
526 -- http://user:password@sub.example.com/page.html
528 -- http://com.example.sub./page.html
529 -- which allows for fast searching for all pages under example.com with the
531 -- WHERE el_index LIKE 'http://com.example.%'
532 el_index
nvarchar(450) NOT NULL,
534 -- This is el_index truncated to 60 bytes to allow for sortable queries that
535 -- aren't supported by a partial index.
536 -- @todo Drop the default once this is deployed everywhere and code is populating it.
537 el_index_60
varbinary(60) NOT NULL default ''
540 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
);
541 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index
);
542 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
543 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
544 -- el_to index intentionally not added; we cannot index nvarchar(max) columns,
545 -- but we also cannot restrict el_to to a smaller column size as the external
546 -- link may be larger.
549 -- Track interlanguage links
551 CREATE TABLE /*_*/langlinks (
552 -- page_id of the referring page
553 ll_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
555 -- Language code of the target
556 ll_lang
nvarchar(20) NOT NULL default '',
558 -- Title of the target, including namespace
559 ll_title
nvarchar(255) NOT NULL default ''
562 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
563 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
567 -- Track inline interwiki links
569 CREATE TABLE /*_*/iwlinks (
570 -- page_id of the referring page
571 iwl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
573 -- Interwiki prefix code of the target
574 iwl_prefix
nvarchar(20) NOT NULL default '',
576 -- Title of the target, including namespace
577 iwl_title
nvarchar(255) NOT NULL default ''
580 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
581 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
582 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
586 -- Contains a single row with some aggregate info
587 -- on the state of the site.
589 CREATE TABLE /*_*/site_stats (
590 -- The single row should contain 1 here.
591 ss_row_id
int NOT NULL CONSTRAINT /*i*/ss_row_id
PRIMARY KEY,
593 -- Total number of edits performed.
594 ss_total_edits
bigint default 0,
596 -- An approximate count of pages matching the following criteria:
599 -- * contains the text '[['
600 -- See Article::isCountable() in includes/Article.php
601 ss_good_articles
bigint default 0,
603 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
604 ss_total_pages
bigint default '-1',
606 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
607 ss_users
bigint default '-1',
609 -- Number of users that still edit
610 ss_active_users
bigint default '-1',
612 -- Number of images, equivalent to SELECT COUNT(*) FROM image
613 ss_images
int default 0
618 -- The internet is full of jerks, alas. Sometimes it's handy
619 -- to block a vandal or troll account.
621 CREATE TABLE /*_*/ipblocks (
622 -- Primary key, introduced for privacy.
623 ipb_id
int NOT NULL PRIMARY KEY IDENTITY,
625 -- Blocked IP address in dotted-quad form or user name.
626 ipb_address
nvarchar(255) NOT NULL,
628 -- Blocked user ID or 0 for IP blocks.
629 ipb_user
int REFERENCES /*_*/mwuser(user_id
),
631 -- User ID who made the block.
632 ipb_by
int REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
634 -- Actor ID who made the block.
635 ipb_by_actor
bigint unsigned
NOT NULL CONSTRAINT DF_ipb_by_actor
DEFAULT 0,
637 -- User name of blocker
638 ipb_by_text
nvarchar(255) NOT NULL default '',
640 -- Text comment made by blocker.
641 ipb_reason
nvarchar(255) NOT NULL CONSTRAINT DF_ipb_reason
DEFAULT '',
643 -- Key to comment_id. Text comment made by blocker.
644 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
645 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
),
647 -- Creation (or refresh) date in standard YMDHMS form.
648 -- IP blocks expire automatically.
649 ipb_timestamp
varchar(14) NOT NULL default '',
651 -- Indicates that the IP address was banned because a banned
652 -- user accessed a page through it. If this is 1, ipb_address
653 -- will be hidden, and the block identified by block ID number.
654 ipb_auto
bit NOT NULL default 0,
656 -- If set to 1, block applies only to logged-out users
657 ipb_anon_only
bit NOT NULL default 0,
659 -- Block prevents account creation from matching IP addresses
660 ipb_create_account
bit NOT NULL default 1,
662 -- Block triggers autoblocks
663 ipb_enable_autoblock
bit NOT NULL default 1,
665 -- Time at which the block will expire.
667 ipb_expiry
varchar(14) NOT NULL,
669 -- Start and end of an address range, in hexadecimal
670 -- Size chosen to allow IPv6
671 -- FIXME: these fields were originally blank for single-IP blocks,
672 -- but now they are populated. No migration was ever done. They
673 -- should be fixed to be blank again for such blocks (T51504).
674 ipb_range_start
varchar(255) NOT NULL,
675 ipb_range_end
varchar(255) NOT NULL,
677 -- Flag for entries hidden from users and Sysops
678 ipb_deleted
bit NOT NULL default 0,
680 -- Block prevents user from accessing Special:Emailuser
681 ipb_block_email
bit NOT NULL default 0,
683 -- Block allows user to edit their own talk page
684 ipb_allow_usertalk
bit NOT NULL default 0,
686 -- ID of the block that caused this block to exist
687 -- Autoblocks set this to the original block
688 -- so that the original block being deleted also
689 -- deletes the autoblocks
690 ipb_parent_block_id
int default NULL REFERENCES /*_*/ipblocks(ipb_id
)
694 -- Unique index to support "user already blocked" messages
695 -- Any new options which prevent collisions should be included
696 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address
, ipb_user
, ipb_auto
, ipb_anon_only
);
698 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
699 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start
, ipb_range_end
);
700 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
701 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
702 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
706 -- Uploaded images and other files.
708 CREATE TABLE /*_*/image (
710 -- This is also the title of the associated description page,
711 -- which will be in namespace 6 (NS_FILE).
712 img_name
nvarchar(255) NOT NULL default '' PRIMARY KEY,
714 -- File size in bytes.
715 img_size
int NOT NULL default 0,
717 -- For images, size in pixels.
718 img_width
int NOT NULL default 0,
719 img_height
int NOT NULL default 0,
721 -- Extracted Exif metadata stored as a serialized PHP array.
722 img_metadata
varbinary(max) NOT NULL,
724 -- For images, bits per pixel if known.
725 img_bits
int NOT NULL default 0,
727 -- Media type as defined by the MEDIATYPE_xxx constants
728 img_media_type
varchar(16) default null,
730 -- major part of a MIME media type as defined by IANA
731 -- see https://www.iana.org/assignments/media-types/
732 img_major_mime
varchar(16) not null default 'unknown',
734 -- minor part of a MIME media type as defined by IANA
735 -- the minor parts are not required to adher to any standard
736 -- but should be consistent throughout the database
737 -- see https://www.iana.org/assignments/media-types/
738 img_minor_mime
nvarchar(100) NOT NULL default 'unknown',
740 -- Description field as entered by the uploader.
741 -- This is displayed in image upload history and logs.
742 img_description
nvarchar(255) NOT NULL CONSTRAINT DF_img_description
DEFAULT '',
744 -- user_id and user_name of uploader.
745 img_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
746 img_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_img_user_text
DEFAULT '',
747 img_actor
bigint unsigned
NOT NULL CONSTRAINT DF_img_actor
DEFAULT 0,
749 -- Time of the upload.
750 img_timestamp
nvarchar(14) NOT NULL default '',
752 -- SHA-1 content hash in base-36
753 img_sha1
nvarchar(32) NOT NULL default '',
755 CONSTRAINT img_major_mime_ckc
check (img_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
756 CONSTRAINT img_media_type_ckc
check (img_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
759 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
760 CREATE INDEX /*i*/img_actor_timestamp
ON /*_*/image (img_actor
, img_timestamp
);
761 -- Used by Special:ListFiles for sort-by-size
762 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
763 -- Used by Special:Newimages and Special:ListFiles
764 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
765 -- Used in API and duplicate search
766 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
767 -- Used to get media of one type
768 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
771 -- Temporary table to avoid blocking on an alter of image.
773 -- On large wikis like Wikimedia Commons, altering the image table is a
774 -- months-long process. This table is being created to avoid such an alter, and
775 -- will be merged back into image in the future.
777 CREATE TABLE /*_*/image_comment_temp (
778 imgcomment_name
nvarchar(255) NOT NULL CONSTRAINT FK_imgcomment_name
FOREIGN KEY REFERENCES /*_*/image(imgcomment_name
) ON DELETE CASCADE,
779 imgcomment_description_id
bigint unsigned
NOT NULL CONSTRAINT FK_imgcomment_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
780 CONSTRAINT PK_image_comment_temp
PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
782 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
786 -- Previous revisions of uploaded files.
787 -- Awkwardly, image rows have to be moved into
788 -- this table at re-upload time.
790 CREATE TABLE /*_*/oldimage (
791 -- Base filename: key to image.img_name
792 -- Not a FK because deleting images removes them from image
793 oi_name
nvarchar(255) NOT NULL default '',
795 -- Filename of the archived file.
796 -- This is generally a timestamp and '!' prepended to the base name.
797 oi_archive_name
nvarchar(255) NOT NULL default '',
799 -- Other fields as in image...
800 oi_size
int NOT NULL default 0,
801 oi_width
int NOT NULL default 0,
802 oi_height
int NOT NULL default 0,
803 oi_bits
int NOT NULL default 0,
804 oi_description
nvarchar(255) NOT NULL CONSTRAINT DF_oi_description
DEFAULT '',
805 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
),
806 oi_user
int REFERENCES /*_*/mwuser(user_id
),
807 oi_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_oi_user_text
DEFAULT '',
808 oi_actor
bigint unsigned
NOT NULL CONSTRAINT DF_oi_actor
DEFAULT 0,
809 oi_timestamp
varchar(14) NOT NULL default '',
811 oi_metadata
varbinary(max) NOT NULL,
812 oi_media_type
varchar(16) default null,
813 oi_major_mime
varchar(16) not null default 'unknown',
814 oi_minor_mime
nvarchar(100) NOT NULL default 'unknown',
815 oi_deleted tinyint
NOT NULL default 0,
816 oi_sha1
nvarchar(32) NOT NULL default '',
818 CONSTRAINT oi_major_mime_ckc
check (oi_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
819 CONSTRAINT oi_media_type_ckc
check (oi_media_type
IN('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
822 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
823 CREATE INDEX /*i*/oi_actor_timestamp
ON /*_*/oldimage (oi_actor
,oi_timestamp
);
824 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
825 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
829 -- Record of deleted file data
831 CREATE TABLE /*_*/filearchive (
833 fa_id
int NOT NULL PRIMARY KEY IDENTITY,
835 -- Original base filename; key to image.img_name, page.page_title, etc
836 fa_name
nvarchar(255) NOT NULL default '',
838 -- Filename of archived file, if an old revision
839 fa_archive_name
nvarchar(255) default '',
841 -- Which storage bin (directory tree or object store) the file data
842 -- is stored in. Should be 'deleted' for files that have been deleted;
843 -- any other bin is not yet in use.
844 fa_storage_group
nvarchar(16),
846 -- SHA-1 of the file contents plus extension, used as a key for storage.
847 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
849 -- If NULL, the file was missing at deletion time or has been purged
850 -- from the archival storage.
851 fa_storage_key
nvarchar(64) default '',
853 -- Deletion information, if this file is deleted.
855 fa_deleted_timestamp
varchar(14) default '',
856 fa_deleted_reason
nvarchar(max) CONSTRAINT DF_fa_deleted_reason
DEFAULT '',
857 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
),
859 -- Duped fields from image
860 fa_size
int default 0,
861 fa_width
int default 0,
862 fa_height
int default 0,
863 fa_metadata
varbinary(max),
864 fa_bits
int default 0,
865 fa_media_type
varchar(16) default null,
866 fa_major_mime
varchar(16) not null default 'unknown',
867 fa_minor_mime
nvarchar(100) default 'unknown',
868 fa_description
nvarchar(255) CONSTRAINT DF_fa_description
DEFAULT '',
869 fa_description_id
bigint unsigned
NOT NULL CONSTRAINT DF_fa_description
DEFAULT 0 CONSTRAINT FK_fa_description
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
870 fa_user
int default 0 REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
871 fa_user_text
nvarchar(255) CONSTRAINT DF_fa_user_text
DEFAULT '',
872 fa_actor
bigint unsigned
NOT NULL CONSTRAINT DF_fa_actor
DEFAULT 0,
873 fa_timestamp
varchar(14) default '',
875 -- Visibility of deleted revisions, bitfield
876 fa_deleted tinyint
NOT NULL default 0,
878 -- sha1 hash of file content
879 fa_sha1
nvarchar(32) NOT NULL default '',
881 CONSTRAINT fa_major_mime_ckc
check (fa_major_mime
in('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
882 CONSTRAINT fa_media_type_ckc
check (fa_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
885 -- pick out by image name
886 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
887 -- pick out dupe files
888 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
889 -- sort by deletion time
890 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
892 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
893 CREATE INDEX /*i*/fa_actor_timestamp
ON /*_*/filearchive (fa_actor
,fa_timestamp
);
894 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
895 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1
);
899 -- Store information about newly uploaded files before they're
900 -- moved into the actual filestore
902 CREATE TABLE /*_*/uploadstash (
903 us_id
int NOT NULL PRIMARY KEY IDENTITY,
905 -- the user who uploaded the file.
906 us_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
908 -- file key. this is how applications actually search for the file.
909 -- this might go away, or become the primary key.
910 us_key
nvarchar(255) NOT NULL,
913 us_orig_path
nvarchar(255) NOT NULL,
915 -- the temporary path at which the file is actually stored
916 us_path
nvarchar(255) NOT NULL,
918 -- which type of upload the file came from (sometimes)
919 us_source_type
nvarchar(50),
921 -- the date/time on which the file was added
922 us_timestamp
varchar(14) NOT NULL,
924 us_status
nvarchar(50) NOT NULL,
926 -- chunk counter starts at 0, current offset is stored in us_size
927 us_chunk_inx
int NULL,
929 -- Serialized file properties from FSFile::getProps()
930 us_props
nvarchar(max),
932 -- file size in bytes
933 us_size
int NOT NULL,
934 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
935 us_sha1
nvarchar(31) NOT NULL,
936 us_mime
nvarchar(255),
937 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
938 us_media_type
varchar(16) default null,
939 -- image-specific properties
942 us_image_bits
smallint,
944 CONSTRAINT us_media_type_ckc
check (us_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE', '3D'))
947 -- sometimes there's a delete for all of a user's stuff.
948 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
949 -- pick out files by key, enforce key uniqueness
950 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
951 -- the abandoned upload cleanup script needs this
952 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
956 -- Primarily a summary table for Special:Recentchanges,
957 -- this table contains some additional info on edits from
958 -- the last few days, see Article::editUpdates()
960 CREATE TABLE /*_*/recentchanges (
961 rc_id
int NOT NULL CONSTRAINT recentchanges__pk
PRIMARY KEY IDENTITY,
962 rc_timestamp
varchar(14) not null default '',
965 rc_user
int NOT NULL default 0 CONSTRAINT rc_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
966 rc_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_rc_user_text
DEFAULT '',
967 rc_actor
bigint unsigned
NOT NULL CONSTRAINT DF_rc_actor
DEFAULT 0,
969 -- When pages are renamed, their RC entries do _not_ change.
970 rc_namespace
int NOT NULL default 0,
971 rc_title
nvarchar(255) NOT NULL default '',
974 rc_comment
nvarchar(255) NOT NULL default '',
975 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
),
976 rc_minor
bit NOT NULL default 0,
978 -- Edits by user accounts with the 'bot' rights key are
979 -- marked with a 1 here, and will be hidden from the
981 rc_bot
bit NOT NULL default 0,
983 -- Set if this change corresponds to a page creation
984 rc_new
bit NOT NULL default 0,
986 -- Key to page_id (was cur_id prior to 1.5).
987 -- This will keep links working after moves while
988 -- retaining the at-the-time name in the changes list.
989 rc_cur_id
int, -- NOT FK
991 -- rev_id of the given revision
992 rc_this_oldid
int, -- NOT FK
994 -- rev_id of the prior revision, for generating diff links.
995 rc_last_oldid
int, -- NOT FK
997 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
998 rc_type tinyint
NOT NULL default 0,
1000 -- The source of the change entry (replaces rc_type)
1001 -- default of '' is temporary, needed for initial migration
1002 rc_source
nvarchar(16) not null default '',
1004 -- If the Recent Changes Patrol option is enabled,
1005 -- users may mark edits as having been reviewed to
1006 -- remove a warning flag on the RC list.
1007 -- A value of 1 indicates the page has been reviewed.
1008 rc_patrolled
bit NOT NULL default 0,
1010 -- Recorded IP address the edit was made from, if the
1011 -- $wgPutIPinRC option is enabled.
1012 rc_ip
nvarchar(40) NOT NULL default '',
1014 -- Text length in characters before
1015 -- and after the edit
1019 -- Visibility of recent changes items, bitfield
1020 rc_deleted tinyint
NOT NULL default 0,
1022 -- Value corresponding to log_id, specific log entries
1023 rc_logid
int, -- FK added later
1024 -- Store log type info here, or null
1025 rc_log_type
nvarchar(255) NULL default NULL,
1026 -- Store log action or null
1027 rc_log_action
nvarchar(255) NULL default NULL,
1029 rc_params
nvarchar(max) NULL
1032 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1033 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1034 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1035 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1036 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1037 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1038 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1039 CREATE INDEX /*i*/rc_ns_actor
ON /*_*/recentchanges (rc_namespace
, rc_actor
);
1040 CREATE INDEX /*i*/rc_actor
ON /*_*/recentchanges (rc_actor
, rc_timestamp
);
1041 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1044 CREATE TABLE /*_*/watchlist (
1045 wl_id
int NOT NULL PRIMARY KEY IDENTITY,
1046 -- Key to user.user_id
1047 wl_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
1049 -- Key to page_namespace/page_title
1050 -- Note that users may watch pages which do not exist yet,
1051 -- or existed in the past but have been deleted.
1052 wl_namespace
int NOT NULL default 0,
1053 wl_title
nvarchar(255) NOT NULL default '',
1055 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1056 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1057 -- of the page, which means that they should be sent an e-mail on the next change.
1058 wl_notificationtimestamp
varchar(14)
1062 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1063 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1067 -- Our search index for the builtin MediaWiki search
1069 CREATE TABLE /*_*/searchindex (
1071 si_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1073 -- Munged version of title
1074 si_title
nvarchar(255) NOT NULL default '',
1076 -- Munged version of body text
1077 si_text
nvarchar(max) NOT NULL
1080 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1081 -- Fulltext index is defined in MssqlInstaller.php
1084 -- Recognized interwiki link prefixes
1086 CREATE TABLE /*_*/interwiki (
1087 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1088 iw_prefix
nvarchar(32) NOT NULL,
1090 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1091 -- Any spaces in the name will be transformed to underscores before
1093 iw_url
nvarchar(max) NOT NULL,
1095 -- The URL of the file api.php
1096 iw_api
nvarchar(max) NOT NULL,
1098 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1099 iw_wikiid
nvarchar(64) NOT NULL,
1101 -- A boolean value indicating whether the wiki is in this project
1102 -- (used, for example, to detect redirect loops)
1103 iw_local
bit NOT NULL,
1105 -- Boolean value indicating whether interwiki transclusions are allowed.
1106 iw_trans
bit NOT NULL default 0
1109 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1113 -- Used for caching expensive grouped queries
1115 CREATE TABLE /*_*/querycache (
1116 -- A key name, generally the base name of of the special page.
1117 qc_type
nvarchar(32) NOT NULL,
1119 -- Some sort of stored value. Sizes, counts...
1120 qc_value
int NOT NULL default 0,
1122 -- Target namespace+title
1123 qc_namespace
int NOT NULL default 0,
1124 qc_title
nvarchar(255) NOT NULL default ''
1127 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1131 -- For a few generic cache operations if not using Memcached
1133 CREATE TABLE /*_*/objectcache (
1134 keyname
nvarchar(255) NOT NULL default '' PRIMARY KEY,
1135 value varbinary(max),
1138 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1142 -- Cache of interwiki transclusion
1144 CREATE TABLE /*_*/transcache (
1145 tc_url
nvarchar(255) NOT NULL,
1146 tc_contents
nvarchar(max),
1147 tc_time
varchar(14) NOT NULL
1150 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1153 CREATE TABLE /*_*/logging (
1154 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1155 log_id
int NOT NULL PRIMARY KEY IDENTITY(0,1),
1157 -- Symbolic keys for the general log type and the action type
1158 -- within the log. The output format will be controlled by the
1159 -- action field, but only the type controls categorization.
1160 log_type
nvarchar(32) NOT NULL default '',
1161 log_action
nvarchar(32) NOT NULL default '',
1164 log_timestamp
varchar(14) NOT NULL default '',
1166 -- The user who performed this action; key to user_id
1167 log_user
int, -- NOT an FK, if a user is deleted we still want to maintain a record of who did a thing
1169 -- Name of the user who performed this action
1170 log_user_text
nvarchar(255) NOT NULL default '',
1172 -- The actor who performed this action
1173 log_actor
bigint unsigned
NOT NULL CONSTRAINT DF_log_actor
DEFAULT 0,
1175 -- Key to the page affected. Where a user is the target,
1176 -- this will point to the user page.
1177 log_namespace
int NOT NULL default 0,
1178 log_title
nvarchar(255) NOT NULL default '',
1179 log_page
int NULL, -- NOT an FK, logging entries are inserted for deleted pages which still reference the deleted page ids
1181 -- Freeform text. Interpreted as edit history comments.
1182 log_comment
nvarchar(255) NOT NULL default '',
1184 -- Key to comment_id. Comment summarizing the change.
1185 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1186 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
),
1188 -- miscellaneous parameters:
1189 -- LF separated list (old system) or serialized PHP array (new system)
1190 log_params
nvarchar(max) NOT NULL,
1192 -- rev_deleted for logs
1193 log_deleted tinyint
NOT NULL default 0
1196 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1197 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1198 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1199 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1200 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1201 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1202 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1203 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1204 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1205 CREATE INDEX /*i*/actor_time
ON /*_*/logging (log_actor
, log_timestamp
);
1206 CREATE INDEX /*i*/log_actor_type_time
ON /*_*/logging (log_actor
, log_type
, log_timestamp
);
1208 INSERT INTO /*_*/logging (log_user
,log_page
,log_params
) VALUES(0,0,'');
1210 ALTER TABLE /*_*/recentchanges
ADD CONSTRAINT rc_logid__log_id__fk
FOREIGN KEY (rc_logid
) REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE;
1212 CREATE TABLE /*_*/log_search (
1213 -- The type of ID (rev ID, log ID, rev timestamp, username)
1214 ls_field
nvarchar(32) NOT NULL,
1215 -- The value of the ID
1216 ls_value
nvarchar(255) NOT NULL,
1218 ls_log_id
int REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE
1220 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1221 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1224 -- Jobs performed by parallel apache threads or a command-line daemon
1225 CREATE TABLE /*_*/job (
1226 job_id
int NOT NULL PRIMARY KEY IDENTITY,
1229 -- Limited to 60 to prevent key length overflow
1230 job_cmd
nvarchar(60) NOT NULL default '',
1232 -- Namespace and title to act on
1233 -- Should be 0 and '' if the command does not operate on a title
1234 job_namespace
int NOT NULL,
1235 job_title
nvarchar(255) NOT NULL,
1237 -- Timestamp of when the job was inserted
1238 -- NULL for jobs added before addition of the timestamp
1239 job_timestamp
nvarchar(14) NULL default NULL,
1241 -- Any other parameters to the command
1242 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1243 job_params
nvarchar(max) NOT NULL,
1245 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1246 job_random
int NOT NULL default 0,
1248 -- The number of times this job has been locked
1249 job_attempts
int NOT NULL default 0,
1251 -- Field that conveys process locks on rows via process UUIDs
1252 job_token
nvarchar(32) NOT NULL default '',
1254 -- Timestamp when the job was locked
1255 job_token_timestamp
varchar(14) NULL default NULL,
1257 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1258 job_sha1
nvarchar(32) NOT NULL default ''
1261 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1262 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1263 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1264 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
);
1265 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1268 -- Details of updates to cached special pages
1269 CREATE TABLE /*_*/querycache_info (
1270 -- Special page name
1271 -- Corresponds to a qc_type value
1272 qci_type
nvarchar(32) NOT NULL default '',
1274 -- Timestamp of last update
1275 qci_timestamp
varchar(14) NOT NULL default ''
1278 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1281 -- For each redirect, this table contains exactly one row defining its target
1282 CREATE TABLE /*_*/redirect (
1283 -- Key to the page_id of the redirect page
1284 rd_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1286 -- Key to page_namespace/page_title of the target page.
1287 -- The target page may or may not exist, and due to renames
1288 -- and deletions may refer to different page records as time
1290 rd_namespace
int NOT NULL default 0,
1291 rd_title
nvarchar(255) NOT NULL default '',
1292 rd_interwiki
nvarchar(32) default NULL,
1293 rd_fragment
nvarchar(255) default NULL
1296 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1299 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1300 CREATE TABLE /*_*/querycachetwo (
1301 -- A key name, generally the base name of of the special page.
1302 qcc_type
nvarchar(32) NOT NULL,
1304 -- Some sort of stored value. Sizes, counts...
1305 qcc_value
int NOT NULL default 0,
1307 -- Target namespace+title
1308 qcc_namespace
int NOT NULL default 0,
1309 qcc_title
nvarchar(255) NOT NULL default '',
1311 -- Target namespace+title2
1312 qcc_namespacetwo
int NOT NULL default 0,
1313 qcc_titletwo
nvarchar(255) NOT NULL default ''
1316 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1317 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1318 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1321 -- Used for storing page restrictions (i.e. protection levels)
1322 CREATE TABLE /*_*/page_restrictions (
1323 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1324 pr_id
int NOT NULL PRIMARY KEY IDENTITY,
1325 -- Page to apply restrictions to (Foreign Key to page).
1326 pr_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1327 -- The protection type (edit, move, etc)
1328 pr_type
nvarchar(60) NOT NULL,
1329 -- The protection level (Sysop, autoconfirmed, etc)
1330 pr_level
nvarchar(60) NOT NULL,
1331 -- Whether or not to cascade the protection down to pages transcluded.
1332 pr_cascade
bit NOT NULL,
1333 -- Field for future support of per-user restriction.
1335 -- Field for time-limited protection.
1336 pr_expiry
varchar(14) NULL
1339 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1340 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1341 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1342 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1345 -- Protected titles - nonexistent pages that have been protected
1346 CREATE TABLE /*_*/protected_titles (
1347 pt_namespace
int NOT NULL,
1348 pt_title
nvarchar(255) NOT NULL,
1349 pt_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
1350 pt_reason
nvarchar(255) CONSTRAINT DF_pt_reason
DEFAULT '',
1351 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
),
1352 pt_timestamp
varchar(14) NOT NULL,
1353 pt_expiry
varchar(14) NOT NULL,
1354 pt_create_perm
nvarchar(60) NOT NULL
1357 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1358 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1361 -- Name/value pairs indexed by page_id
1362 CREATE TABLE /*_*/page_props (
1363 pp_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1364 pp_propname
nvarchar(60) NOT NULL,
1365 pp_value
nvarchar(max) NOT NULL,
1366 pp_sortkey
float DEFAULT NULL
1369 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1370 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1371 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1374 -- A table to log updates, one text key row per update.
1375 CREATE TABLE /*_*/updatelog (
1376 ul_key
nvarchar(255) NOT NULL PRIMARY KEY,
1377 ul_value
nvarchar(max)
1381 -- A table to track tags for revisions, logs and recent changes.
1382 CREATE TABLE /*_*/change_tag (
1383 ct_id
int NOT NULL PRIMARY KEY IDENTITY,
1384 -- RCID for the change
1385 ct_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1386 -- LOGID for the change
1387 ct_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1388 -- REVID for the change
1389 ct_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1391 ct_tag
nvarchar(255) NOT NULL,
1392 -- Parameters for the tag, presently unused
1393 ct_params
nvarchar(max) NULL
1396 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1397 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1398 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1399 -- Covering index, so we can pull all the info only out of the index.
1400 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1403 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1404 -- that only works on MySQL 4.1+
1405 CREATE TABLE /*_*/tag_summary (
1406 ts_id
int NOT NULL PRIMARY KEY IDENTITY,
1407 -- RCID for the change
1408 ts_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1409 -- LOGID for the change
1410 ts_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1411 -- REVID for the change
1412 ts_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1413 -- Comma-separated list of tags
1414 ts_tags
nvarchar(max) NOT NULL
1417 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1418 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1419 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1422 CREATE TABLE /*_*/valid_tag (
1423 vt_tag
nvarchar(255) NOT NULL PRIMARY KEY
1426 -- Table for storing localisation data
1427 CREATE TABLE /*_*/l10n_cache (
1429 lc_lang
nvarchar(32) NOT NULL,
1431 lc_key
nvarchar(255) NOT NULL,
1433 lc_value
varbinary(max) NOT NULL
1435 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1437 -- Table caching which local files a module depends on that aren't
1438 -- registered directly, used for fast retrieval of file dependency.
1439 -- Currently only used for tracking images that CSS depends on
1440 CREATE TABLE /*_*/module_deps (
1442 md_module
nvarchar(255) NOT NULL,
1444 md_skin
nvarchar(32) NOT NULL,
1445 -- JSON nvarchar(max) with file dependencies
1446 md_deps
nvarchar(max) NOT NULL
1448 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1450 -- Holds all the sites known to the wiki.
1451 CREATE TABLE /*_*/sites (
1452 -- Numeric id of the site
1453 site_id
int NOT NULL PRIMARY KEY IDENTITY,
1455 -- Global identifier for the site, ie 'enwiktionary'
1456 site_global_key
nvarchar(32) NOT NULL,
1458 -- Type of the site, ie 'mediawiki'
1459 site_type
nvarchar(32) NOT NULL,
1461 -- Group of the site, ie 'wikipedia'
1462 site_group
nvarchar(32) NOT NULL,
1464 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1465 site_source
nvarchar(32) NOT NULL,
1467 -- Language code of the sites primary language.
1468 site_language
nvarchar(32) NOT NULL,
1470 -- Protocol of the site, ie 'http://', 'irc://', '//'
1471 -- This field is an index for lookups and is build from type specific data in site_data.
1472 site_protocol
nvarchar(32) NOT NULL,
1474 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1475 -- This field is an index for lookups and is build from type specific data in site_data.
1476 site_domain
NVARCHAR(255) NOT NULL,
1478 -- Type dependent site data.
1479 site_data
nvarchar(max) NOT NULL,
1481 -- If site.tld/path/key:pageTitle should forward users to the page on
1482 -- the actual site, where "key" is the local identifier.
1483 site_forward
bit NOT NULL,
1485 -- Type dependent site config.
1486 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1487 site_config
nvarchar(max) NOT NULL
1490 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1491 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1492 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1493 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1494 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1495 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1496 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1497 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1499 -- Links local site identifiers to their corresponding site.
1500 CREATE TABLE /*_*/site_identifiers (
1501 -- Key on site.site_id
1502 si_site
int NOT NULL REFERENCES /*_*/sites(site_id
) ON DELETE CASCADE,
1504 -- local key type, ie 'interwiki' or 'langlink'
1505 si_type
nvarchar(32) NOT NULL,
1507 -- local key value, ie 'en' or 'wiktionary'
1508 si_key
nvarchar(32) NOT NULL
1511 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1512 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1513 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);