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, -- 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 -- whether the content is inherited (1) or new in this revision (0)
315 slot_inherited tinyint unsigned
NOT NULL CONSTRAINT DF_slot_inherited
DEFAULT 0,
317 CONSTRAINT PK_slots
PRIMARY KEY (slot_revision_id
, slot_role_id
)
320 -- Index for finding revisions that modified a specific slot
321 CREATE INDEX /*i*/slot_role_inherited
ON /*_*/slots (slot_revision_id
, slot_role_id
, slot_inherited
);
324 -- The content table represents content objects. It's primary purpose is to provide the necessary
325 -- meta-data for loading and interpreting a serialized data blob to create a content object.
327 CREATE TABLE /*_*/content (
329 -- ID of the content object
330 content_id
bigint unsigned
NOT NULL CONSTRAINT PK_content
PRIMARY KEY IDENTITY,
332 -- Nominal size of the content object (not necessarily of the serialized blob)
333 content_size
int unsigned
NOT NULL,
335 -- Nominal hash of the content object (not necessarily of the serialized blob)
336 content_sha1
varchar(32) NOT NULL,
338 -- reference to model_id
339 content_model
smallint unsigned
NOT NULL CONSTRAINT FK_content_content_models
FOREIGN KEY REFERENCES /*_*/content_models(model_id
),
341 -- URL-like address of the content blob
342 content_address
nvarchar(255) NOT NULL
346 -- Normalization table for role names
348 CREATE TABLE /*_*/slot_roles (
349 role_id
smallint NOT NULL CONSTRAINT PK_slot_roles
PRIMARY KEY IDENTITY,
350 role_name
nvarchar(64) NOT NULL
353 -- Index for looking of the internal ID of for a name
354 CREATE UNIQUE INDEX /*i*/role_name
ON /*_*/slot_roles (role_name
);
357 -- Normalization table for content model names
359 CREATE TABLE /*_*/content_models (
360 model_id
smallint NOT NULL CONSTRAINT PK_content_models
PRIMARY KEY IDENTITY,
361 model_name
nvarchar(64) NOT NULL
364 -- Index for looking of the internal ID of for a name
365 CREATE UNIQUE INDEX /*i*/model_name
ON /*_*/content_models (model_name
);
369 -- Track page-to-page hyperlinks within the wiki.
371 CREATE TABLE /*_*/pagelinks (
372 pl_from
INT NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
373 pl_from_namespace
int NOT NULL DEFAULT 0,
374 pl_namespace
INT NOT NULL DEFAULT 0,
375 pl_title
NVARCHAR(255) NOT NULL DEFAULT '',
377 CREATE UNIQUE INDEX /*i*/pl_from
ON /*_*/pagelinks (pl_from
,pl_namespace
,pl_title
);
378 CREATE UNIQUE INDEX /*i*/pl_namespace
ON /*_*/pagelinks (pl_namespace
,pl_title
,pl_from
);
379 CREATE INDEX /*i*/pl_backlinks_namespace
ON /*_*/pagelinks (pl_from_namespace
,pl_namespace
,pl_title
,pl_from
);
383 -- Track template inclusions.
385 CREATE TABLE /*_*/templatelinks (
386 tl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
387 tl_from_namespace
int NOT NULL default 0,
388 tl_namespace
int NOT NULL default 0,
389 tl_title
nvarchar(255) NOT NULL default ''
392 CREATE UNIQUE INDEX /*i*/tl_from
ON /*_*/templatelinks (tl_from
,tl_namespace
,tl_title
);
393 CREATE UNIQUE INDEX /*i*/tl_namespace
ON /*_*/templatelinks (tl_namespace
,tl_title
,tl_from
);
394 CREATE INDEX /*i*/tl_backlinks_namespace
ON /*_*/templatelinks (tl_from_namespace
,tl_namespace
,tl_title
,tl_from
);
398 -- Track links to images *used inline*
399 -- We don't distinguish live from broken links here, so
400 -- they do not need to be changed on upload/removal.
402 CREATE TABLE /*_*/imagelinks (
403 -- Key to page_id of the page containing the image / media link.
404 il_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
405 il_from_namespace
int NOT NULL default 0,
407 -- Filename of target image.
408 -- This is also the page_title of the file's description page;
409 -- all such pages are in namespace 6 (NS_FILE).
410 il_to
nvarchar(255) NOT NULL default ''
413 CREATE UNIQUE INDEX /*i*/il_from
ON /*_*/imagelinks (il_from
,il_to
);
414 CREATE UNIQUE INDEX /*i*/il_to
ON /*_*/imagelinks (il_to
,il_from
);
415 CREATE INDEX /*i*/il_backlinks_namespace
ON /*_*/imagelinks (il_from_namespace
,il_to
,il_from
);
418 -- Track category inclusions *used inline*
419 -- This tracks a single level of category membership
421 CREATE TABLE /*_*/categorylinks (
422 -- Key to page_id of the page defined as a category member.
423 cl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
425 -- Name of the category.
426 -- This is also the page_title of the category's description page;
427 -- all such pages are in namespace 14 (NS_CATEGORY).
428 cl_to
nvarchar(255) NOT NULL default '',
430 -- A binary string obtained by applying a sortkey generation algorithm
431 -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
432 -- . page_title if cl_sortkey_prefix is nonempty.
433 cl_sortkey
varbinary(230) NOT NULL default 0x
,
435 -- A prefix for the raw sortkey manually specified by the user, either via
436 -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}. If nonempty, it's
437 -- concatenated with a line break followed by the page title before the sortkey
438 -- conversion algorithm is run. We store this so that we can update
439 -- collations without reparsing all pages.
440 -- Note: If you change the length of this field, you also need to change
441 -- code in LinksUpdate.php. See T27254.
442 cl_sortkey_prefix
varbinary(255) NOT NULL default 0x
,
444 -- This isn't really used at present. Provided for an optional
445 -- sorting method by approximate addition time.
446 cl_timestamp
varchar(14) NOT NULL,
448 -- Stores $wgCategoryCollation at the time cl_sortkey was generated. This
449 -- can be used to install new collation versions, tracking which rows are not
450 -- yet updated. '' means no collation, this is a legacy row that needs to be
451 -- updated by updateCollation.php. In the future, it might be possible to
452 -- specify different collations per category.
453 cl_collation
nvarchar(32) NOT NULL default '',
455 -- Stores whether cl_from is a category, file, or other page, so we can
456 -- paginate the three categories separately. This never has to be updated
457 -- after the page is created, since none of these page types can be moved to
459 cl_type
varchar(10) NOT NULL default 'page',
460 -- SQL server doesn't have enums, so we approximate with this
461 CONSTRAINT cl_type_ckc
CHECK (cl_type
IN('page', 'subcat', 'file'))
464 CREATE UNIQUE INDEX /*i*/cl_from
ON /*_*/categorylinks (cl_from
,cl_to
);
466 -- We always sort within a given category, and within a given type. FIXME:
467 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
468 -- callers won't be using an index: fix this?
469 CREATE INDEX /*i*/cl_sortkey
ON /*_*/categorylinks (cl_to
,cl_type
,cl_sortkey
,cl_from
);
471 -- Used by the API (and some extensions)
472 CREATE INDEX /*i*/cl_timestamp
ON /*_*/categorylinks (cl_to
,cl_timestamp
);
474 -- Used when updating collation (e.g. updateCollation.php)
475 CREATE INDEX /*i*/cl_collation_ext
ON /*_*/categorylinks (cl_collation
, cl_to
, cl_type
, cl_from
);
478 -- Track all existing categories. Something is a category if 1) it has an entry
479 -- somewhere in categorylinks, or 2) it has a description page. Categories
480 -- might not have corresponding pages, so they need to be tracked separately.
482 CREATE TABLE /*_*/category (
484 cat_id
int NOT NULL PRIMARY KEY IDENTITY,
486 -- Name of the category, in the same form as page_title (with underscores).
487 -- If there is a category page corresponding to this category, by definition,
488 -- it has this name (in the Category namespace).
489 cat_title
nvarchar(255) NOT NULL,
491 -- The numbers of member pages (including categories and media), subcatego-
492 -- ries, and Image: namespace members, respectively. These are signed to
493 -- make underflow more obvious. We make the first number include the second
494 -- two for better sorting: subtracting for display is easy, adding for order-
496 cat_pages
int NOT NULL default 0,
497 cat_subcats
int NOT NULL default 0,
498 cat_files
int NOT NULL default 0
501 CREATE UNIQUE INDEX /*i*/cat_title
ON /*_*/category (cat_title
);
503 -- For Special:Mostlinkedcategories
504 CREATE INDEX /*i*/cat_pages
ON /*_*/category (cat_pages
);
508 -- Track links to external URLs
510 CREATE TABLE /*_*/externallinks (
512 el_id
int NOT NULL PRIMARY KEY IDENTITY,
514 -- page_id of the referring page
515 el_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
518 el_to
nvarchar(max) NOT NULL,
520 -- In the case of HTTP URLs, this is the URL with any username or password
521 -- removed, and with the labels in the hostname reversed and converted to
522 -- lower case. An extra dot is added to allow for matching of either
523 -- example.com or *.example.com in a single scan.
525 -- http://user:password@sub.example.com/page.html
527 -- http://com.example.sub./page.html
528 -- which allows for fast searching for all pages under example.com with the
530 -- WHERE el_index LIKE 'http://com.example.%'
531 el_index
nvarchar(450) NOT NULL,
533 -- This is el_index truncated to 60 bytes to allow for sortable queries that
534 -- aren't supported by a partial index.
535 -- @todo Drop the default once this is deployed everywhere and code is populating it.
536 el_index_60
varbinary(60) NOT NULL default ''
539 CREATE INDEX /*i*/el_from
ON /*_*/externallinks (el_from
);
540 CREATE INDEX /*i*/el_index
ON /*_*/externallinks (el_index
);
541 CREATE INDEX /*i*/el_index_60
ON /*_*/externallinks (el_index_60
, el_id
);
542 CREATE INDEX /*i*/el_from_index_60
ON /*_*/externallinks (el_from
, el_index_60
, el_id
);
543 -- el_to index intentionally not added; we cannot index nvarchar(max) columns,
544 -- but we also cannot restrict el_to to a smaller column size as the external
545 -- link may be larger.
548 -- Track interlanguage links
550 CREATE TABLE /*_*/langlinks (
551 -- page_id of the referring page
552 ll_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
554 -- Language code of the target
555 ll_lang
nvarchar(20) NOT NULL default '',
557 -- Title of the target, including namespace
558 ll_title
nvarchar(255) NOT NULL default ''
561 CREATE UNIQUE INDEX /*i*/ll_from
ON /*_*/langlinks (ll_from
, ll_lang
);
562 CREATE INDEX /*i*/ll_lang
ON /*_*/langlinks (ll_lang
, ll_title
);
566 -- Track inline interwiki links
568 CREATE TABLE /*_*/iwlinks (
569 -- page_id of the referring page
570 iwl_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
572 -- Interwiki prefix code of the target
573 iwl_prefix
nvarchar(20) NOT NULL default '',
575 -- Title of the target, including namespace
576 iwl_title
nvarchar(255) NOT NULL default ''
579 CREATE UNIQUE INDEX /*i*/iwl_from
ON /*_*/iwlinks (iwl_from
, iwl_prefix
, iwl_title
);
580 CREATE INDEX /*i*/iwl_prefix_title_from
ON /*_*/iwlinks (iwl_prefix
, iwl_title
, iwl_from
);
581 CREATE INDEX /*i*/iwl_prefix_from_title
ON /*_*/iwlinks (iwl_prefix
, iwl_from
, iwl_title
);
585 -- Contains a single row with some aggregate info
586 -- on the state of the site.
588 CREATE TABLE /*_*/site_stats (
589 -- The single row should contain 1 here.
590 ss_row_id
int NOT NULL CONSTRAINT /*i*/ss_row_id
PRIMARY KEY,
592 -- Total number of edits performed.
593 ss_total_edits
bigint default 0,
595 -- An approximate count of pages matching the following criteria:
598 -- * contains the text '[['
599 -- See Article::isCountable() in includes/Article.php
600 ss_good_articles
bigint default 0,
602 -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
603 ss_total_pages
bigint default '-1',
605 -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
606 ss_users
bigint default '-1',
608 -- Number of users that still edit
609 ss_active_users
bigint default '-1',
611 -- Number of images, equivalent to SELECT COUNT(*) FROM image
612 ss_images
int default 0
617 -- The internet is full of jerks, alas. Sometimes it's handy
618 -- to block a vandal or troll account.
620 CREATE TABLE /*_*/ipblocks (
621 -- Primary key, introduced for privacy.
622 ipb_id
int NOT NULL PRIMARY KEY IDENTITY,
624 -- Blocked IP address in dotted-quad form or user name.
625 ipb_address
nvarchar(255) NOT NULL,
627 -- Blocked user ID or 0 for IP blocks.
628 ipb_user
int REFERENCES /*_*/mwuser(user_id
),
630 -- User ID who made the block.
631 ipb_by
int REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
633 -- Actor ID who made the block.
634 ipb_by_actor
bigint unsigned
NOT NULL CONSTRAINT DF_ipb_by_actor
DEFAULT 0,
636 -- User name of blocker
637 ipb_by_text
nvarchar(255) NOT NULL default '',
639 -- Text comment made by blocker.
640 ipb_reason
nvarchar(255) NOT NULL CONSTRAINT DF_ipb_reason
DEFAULT '',
642 -- Key to comment_id. Text comment made by blocker.
643 -- ("DEFAULT 0" is temporary, signaling that ipb_reason should be used)
644 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
),
646 -- Creation (or refresh) date in standard YMDHMS form.
647 -- IP blocks expire automatically.
648 ipb_timestamp
varchar(14) NOT NULL default '',
650 -- Indicates that the IP address was banned because a banned
651 -- user accessed a page through it. If this is 1, ipb_address
652 -- will be hidden, and the block identified by block ID number.
653 ipb_auto
bit NOT NULL default 0,
655 -- If set to 1, block applies only to logged-out users
656 ipb_anon_only
bit NOT NULL default 0,
658 -- Block prevents account creation from matching IP addresses
659 ipb_create_account
bit NOT NULL default 1,
661 -- Block triggers autoblocks
662 ipb_enable_autoblock
bit NOT NULL default 1,
664 -- Time at which the block will expire.
666 ipb_expiry
varchar(14) NOT NULL,
668 -- Start and end of an address range, in hexadecimal
669 -- Size chosen to allow IPv6
670 -- FIXME: these fields were originally blank for single-IP blocks,
671 -- but now they are populated. No migration was ever done. They
672 -- should be fixed to be blank again for such blocks (T51504).
673 ipb_range_start
varchar(255) NOT NULL,
674 ipb_range_end
varchar(255) NOT NULL,
676 -- Flag for entries hidden from users and Sysops
677 ipb_deleted
bit NOT NULL default 0,
679 -- Block prevents user from accessing Special:Emailuser
680 ipb_block_email
bit NOT NULL default 0,
682 -- Block allows user to edit their own talk page
683 ipb_allow_usertalk
bit NOT NULL default 0,
685 -- ID of the block that caused this block to exist
686 -- Autoblocks set this to the original block
687 -- so that the original block being deleted also
688 -- deletes the autoblocks
689 ipb_parent_block_id
int default NULL REFERENCES /*_*/ipblocks(ipb_id
)
693 -- Unique index to support "user already blocked" messages
694 -- Any new options which prevent collisions should be included
695 CREATE UNIQUE INDEX /*i*/ipb_address
ON /*_*/ipblocks (ipb_address
, ipb_user
, ipb_auto
, ipb_anon_only
);
697 CREATE INDEX /*i*/ipb_user
ON /*_*/ipblocks (ipb_user
);
698 CREATE INDEX /*i*/ipb_range
ON /*_*/ipblocks (ipb_range_start
, ipb_range_end
);
699 CREATE INDEX /*i*/ipb_timestamp
ON /*_*/ipblocks (ipb_timestamp
);
700 CREATE INDEX /*i*/ipb_expiry
ON /*_*/ipblocks (ipb_expiry
);
701 CREATE INDEX /*i*/ipb_parent_block_id
ON /*_*/ipblocks (ipb_parent_block_id
);
705 -- Uploaded images and other files.
707 CREATE TABLE /*_*/image (
709 -- This is also the title of the associated description page,
710 -- which will be in namespace 6 (NS_FILE).
711 img_name
nvarchar(255) NOT NULL default '' PRIMARY KEY,
713 -- File size in bytes.
714 img_size
int NOT NULL default 0,
716 -- For images, size in pixels.
717 img_width
int NOT NULL default 0,
718 img_height
int NOT NULL default 0,
720 -- Extracted Exif metadata stored as a serialized PHP array.
721 img_metadata
varbinary(max) NOT NULL,
723 -- For images, bits per pixel if known.
724 img_bits
int NOT NULL default 0,
726 -- Media type as defined by the MEDIATYPE_xxx constants
727 img_media_type
varchar(16) default null,
729 -- major part of a MIME media type as defined by IANA
730 -- see https://www.iana.org/assignments/media-types/
731 img_major_mime
varchar(16) not null default 'unknown',
733 -- minor part of a MIME media type as defined by IANA
734 -- the minor parts are not required to adher to any standard
735 -- but should be consistent throughout the database
736 -- see https://www.iana.org/assignments/media-types/
737 img_minor_mime
nvarchar(100) NOT NULL default 'unknown',
739 -- Description field as entered by the uploader.
740 -- This is displayed in image upload history and logs.
741 img_description
nvarchar(255) NOT NULL CONSTRAINT DF_img_description
DEFAULT '',
743 -- user_id and user_name of uploader.
744 img_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
745 img_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_img_user_text
DEFAULT '',
746 img_actor
bigint unsigned
NOT NULL CONSTRAINT DF_img_actor
DEFAULT 0,
748 -- Time of the upload.
749 img_timestamp
nvarchar(14) NOT NULL default '',
751 -- SHA-1 content hash in base-36
752 img_sha1
nvarchar(32) NOT NULL default '',
754 CONSTRAINT img_major_mime_ckc
check (img_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
755 CONSTRAINT img_media_type_ckc
check (img_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
758 CREATE INDEX /*i*/img_usertext_timestamp
ON /*_*/image (img_user_text
,img_timestamp
);
759 CREATE INDEX /*i*/img_actor_timestamp
ON /*_*/image (img_actor
, img_timestamp
);
760 -- Used by Special:ListFiles for sort-by-size
761 CREATE INDEX /*i*/img_size
ON /*_*/image (img_size
);
762 -- Used by Special:Newimages and Special:ListFiles
763 CREATE INDEX /*i*/img_timestamp
ON /*_*/image (img_timestamp
);
764 -- Used in API and duplicate search
765 CREATE INDEX /*i*/img_sha1
ON /*_*/image (img_sha1
);
766 -- Used to get media of one type
767 CREATE INDEX /*i*/img_media_mime
ON /*_*/image (img_media_type
,img_major_mime
,img_minor_mime
);
770 -- Temporary table to avoid blocking on an alter of image.
772 -- On large wikis like Wikimedia Commons, altering the image table is a
773 -- months-long process. This table is being created to avoid such an alter, and
774 -- will be merged back into image in the future.
776 CREATE TABLE /*_*/image_comment_temp (
777 imgcomment_name
nvarchar(255) NOT NULL CONSTRAINT FK_imgcomment_name
FOREIGN KEY REFERENCES /*_*/image(imgcomment_name
) ON DELETE CASCADE,
778 imgcomment_description_id
bigint unsigned
NOT NULL CONSTRAINT FK_imgcomment_description_id
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
779 CONSTRAINT PK_image_comment_temp
PRIMARY KEY (imgcomment_name
, imgcomment_description_id
)
781 CREATE UNIQUE INDEX /*i*/imgcomment_name
ON /*_*/image_comment_temp (imgcomment_name
);
785 -- Previous revisions of uploaded files.
786 -- Awkwardly, image rows have to be moved into
787 -- this table at re-upload time.
789 CREATE TABLE /*_*/oldimage (
790 -- Base filename: key to image.img_name
791 -- Not a FK because deleting images removes them from image
792 oi_name
nvarchar(255) NOT NULL default '',
794 -- Filename of the archived file.
795 -- This is generally a timestamp and '!' prepended to the base name.
796 oi_archive_name
nvarchar(255) NOT NULL default '',
798 -- Other fields as in image...
799 oi_size
int NOT NULL default 0,
800 oi_width
int NOT NULL default 0,
801 oi_height
int NOT NULL default 0,
802 oi_bits
int NOT NULL default 0,
803 oi_description
nvarchar(255) NOT NULL CONSTRAINT DF_oi_description
DEFAULT '',
804 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
),
805 oi_user
int REFERENCES /*_*/mwuser(user_id
),
806 oi_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_oi_user_text
DEFAULT '',
807 oi_actor
bigint unsigned
NOT NULL CONSTRAINT DF_oi_actor
DEFAULT 0,
808 oi_timestamp
varchar(14) NOT NULL default '',
810 oi_metadata
varbinary(max) NOT NULL,
811 oi_media_type
varchar(16) default null,
812 oi_major_mime
varchar(16) not null default 'unknown',
813 oi_minor_mime
nvarchar(100) NOT NULL default 'unknown',
814 oi_deleted tinyint
NOT NULL default 0,
815 oi_sha1
nvarchar(32) NOT NULL default '',
817 CONSTRAINT oi_major_mime_ckc
check (oi_major_mime
IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
818 CONSTRAINT oi_media_type_ckc
check (oi_media_type
IN('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
821 CREATE INDEX /*i*/oi_usertext_timestamp
ON /*_*/oldimage (oi_user_text
,oi_timestamp
);
822 CREATE INDEX /*i*/oi_actor_timestamp
ON /*_*/oldimage (oi_actor
,oi_timestamp
);
823 CREATE INDEX /*i*/oi_name_timestamp
ON /*_*/oldimage (oi_name
,oi_timestamp
);
824 CREATE INDEX /*i*/oi_sha1
ON /*_*/oldimage (oi_sha1
);
828 -- Record of deleted file data
830 CREATE TABLE /*_*/filearchive (
832 fa_id
int NOT NULL PRIMARY KEY IDENTITY,
834 -- Original base filename; key to image.img_name, page.page_title, etc
835 fa_name
nvarchar(255) NOT NULL default '',
837 -- Filename of archived file, if an old revision
838 fa_archive_name
nvarchar(255) default '',
840 -- Which storage bin (directory tree or object store) the file data
841 -- is stored in. Should be 'deleted' for files that have been deleted;
842 -- any other bin is not yet in use.
843 fa_storage_group
nvarchar(16),
845 -- SHA-1 of the file contents plus extension, used as a key for storage.
846 -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
848 -- If NULL, the file was missing at deletion time or has been purged
849 -- from the archival storage.
850 fa_storage_key
nvarchar(64) default '',
852 -- Deletion information, if this file is deleted.
854 fa_deleted_timestamp
varchar(14) default '',
855 fa_deleted_reason
nvarchar(max) CONSTRAINT DF_fa_deleted_reason
DEFAULT '',
856 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
),
858 -- Duped fields from image
859 fa_size
int default 0,
860 fa_width
int default 0,
861 fa_height
int default 0,
862 fa_metadata
varbinary(max),
863 fa_bits
int default 0,
864 fa_media_type
varchar(16) default null,
865 fa_major_mime
varchar(16) not null default 'unknown',
866 fa_minor_mime
nvarchar(100) default 'unknown',
867 fa_description
nvarchar(255) CONSTRAINT DF_fa_description
DEFAULT '',
868 fa_description_id
bigint unsigned
NOT NULL CONSTRAINT DF_fa_description
DEFAULT 0 CONSTRAINT FK_fa_description
FOREIGN KEY REFERENCES /*_*/comment(comment_id
),
869 fa_user
int default 0 REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
870 fa_user_text
nvarchar(255) CONSTRAINT DF_fa_user_text
DEFAULT '',
871 fa_actor
bigint unsigned
NOT NULL CONSTRAINT DF_fa_actor
DEFAULT 0,
872 fa_timestamp
varchar(14) default '',
874 -- Visibility of deleted revisions, bitfield
875 fa_deleted tinyint
NOT NULL default 0,
877 -- sha1 hash of file content
878 fa_sha1
nvarchar(32) NOT NULL default '',
880 CONSTRAINT fa_major_mime_ckc
check (fa_major_mime
in('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart', 'chemical')),
881 CONSTRAINT fa_media_type_ckc
check (fa_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE','3D'))
884 -- pick out by image name
885 CREATE INDEX /*i*/fa_name
ON /*_*/filearchive (fa_name
, fa_timestamp
);
886 -- pick out dupe files
887 CREATE INDEX /*i*/fa_storage_group
ON /*_*/filearchive (fa_storage_group
, fa_storage_key
);
888 -- sort by deletion time
889 CREATE INDEX /*i*/fa_deleted_timestamp
ON /*_*/filearchive (fa_deleted_timestamp
);
891 CREATE INDEX /*i*/fa_user_timestamp
ON /*_*/filearchive (fa_user_text
,fa_timestamp
);
892 CREATE INDEX /*i*/fa_actor_timestamp
ON /*_*/filearchive (fa_actor
,fa_timestamp
);
893 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
894 CREATE INDEX /*i*/fa_sha1
ON /*_*/filearchive (fa_sha1
);
898 -- Store information about newly uploaded files before they're
899 -- moved into the actual filestore
901 CREATE TABLE /*_*/uploadstash (
902 us_id
int NOT NULL PRIMARY KEY IDENTITY,
904 -- the user who uploaded the file.
905 us_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
907 -- file key. this is how applications actually search for the file.
908 -- this might go away, or become the primary key.
909 us_key
nvarchar(255) NOT NULL,
912 us_orig_path
nvarchar(255) NOT NULL,
914 -- the temporary path at which the file is actually stored
915 us_path
nvarchar(255) NOT NULL,
917 -- which type of upload the file came from (sometimes)
918 us_source_type
nvarchar(50),
920 -- the date/time on which the file was added
921 us_timestamp
varchar(14) NOT NULL,
923 us_status
nvarchar(50) NOT NULL,
925 -- chunk counter starts at 0, current offset is stored in us_size
926 us_chunk_inx
int NULL,
928 -- Serialized file properties from FSFile::getProps()
929 us_props
nvarchar(max),
931 -- file size in bytes
932 us_size
int NOT NULL,
933 -- this hash comes from FSFile::getSha1Base36(), and is 31 characters
934 us_sha1
nvarchar(31) NOT NULL,
935 us_mime
nvarchar(255),
936 -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
937 us_media_type
varchar(16) default null,
938 -- image-specific properties
941 us_image_bits
smallint,
943 CONSTRAINT us_media_type_ckc
check (us_media_type
in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE', '3D'))
946 -- sometimes there's a delete for all of a user's stuff.
947 CREATE INDEX /*i*/us_user
ON /*_*/uploadstash (us_user
);
948 -- pick out files by key, enforce key uniqueness
949 CREATE UNIQUE INDEX /*i*/us_key
ON /*_*/uploadstash (us_key
);
950 -- the abandoned upload cleanup script needs this
951 CREATE INDEX /*i*/us_timestamp
ON /*_*/uploadstash (us_timestamp
);
955 -- Primarily a summary table for Special:Recentchanges,
956 -- this table contains some additional info on edits from
957 -- the last few days, see Article::editUpdates()
959 CREATE TABLE /*_*/recentchanges (
960 rc_id
int NOT NULL CONSTRAINT recentchanges__pk
PRIMARY KEY IDENTITY,
961 rc_timestamp
varchar(14) not null default '',
964 rc_user
int NOT NULL default 0 CONSTRAINT rc_user__user_id__fk
FOREIGN KEY REFERENCES /*_*/mwuser(user_id
),
965 rc_user_text
nvarchar(255) NOT NULL CONSTRAINT DF_rc_user_text
DEFAULT '',
966 rc_actor
bigint unsigned
NOT NULL CONSTRAINT DF_rc_actor
DEFAULT 0,
968 -- When pages are renamed, their RC entries do _not_ change.
969 rc_namespace
int NOT NULL default 0,
970 rc_title
nvarchar(255) NOT NULL default '',
973 rc_comment
nvarchar(255) NOT NULL default '',
974 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
),
975 rc_minor
bit NOT NULL default 0,
977 -- Edits by user accounts with the 'bot' rights key are
978 -- marked with a 1 here, and will be hidden from the
980 rc_bot
bit NOT NULL default 0,
982 -- Set if this change corresponds to a page creation
983 rc_new
bit NOT NULL default 0,
985 -- Key to page_id (was cur_id prior to 1.5).
986 -- This will keep links working after moves while
987 -- retaining the at-the-time name in the changes list.
988 rc_cur_id
int, -- NOT FK
990 -- rev_id of the given revision
991 rc_this_oldid
int, -- NOT FK
993 -- rev_id of the prior revision, for generating diff links.
994 rc_last_oldid
int, -- NOT FK
996 -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
997 rc_type tinyint
NOT NULL default 0,
999 -- The source of the change entry (replaces rc_type)
1000 -- default of '' is temporary, needed for initial migration
1001 rc_source
nvarchar(16) not null default '',
1003 -- If the Recent Changes Patrol option is enabled,
1004 -- users may mark edits as having been reviewed to
1005 -- remove a warning flag on the RC list.
1006 -- A value of 1 indicates the page has been reviewed.
1007 rc_patrolled
bit NOT NULL default 0,
1009 -- Recorded IP address the edit was made from, if the
1010 -- $wgPutIPinRC option is enabled.
1011 rc_ip
nvarchar(40) NOT NULL default '',
1013 -- Text length in characters before
1014 -- and after the edit
1018 -- Visibility of recent changes items, bitfield
1019 rc_deleted tinyint
NOT NULL default 0,
1021 -- Value corresponding to log_id, specific log entries
1022 rc_logid
int, -- FK added later
1023 -- Store log type info here, or null
1024 rc_log_type
nvarchar(255) NULL default NULL,
1025 -- Store log action or null
1026 rc_log_action
nvarchar(255) NULL default NULL,
1028 rc_params
nvarchar(max) NULL
1031 CREATE INDEX /*i*/rc_timestamp
ON /*_*/recentchanges (rc_timestamp
);
1032 CREATE INDEX /*i*/rc_namespace_title
ON /*_*/recentchanges (rc_namespace
, rc_title
);
1033 CREATE INDEX /*i*/rc_cur_id
ON /*_*/recentchanges (rc_cur_id
);
1034 CREATE INDEX /*i*/new_name_timestamp
ON /*_*/recentchanges (rc_new
,rc_namespace
,rc_timestamp
);
1035 CREATE INDEX /*i*/rc_ip
ON /*_*/recentchanges (rc_ip
);
1036 CREATE INDEX /*i*/rc_ns_usertext
ON /*_*/recentchanges (rc_namespace
, rc_user_text
);
1037 CREATE INDEX /*i*/rc_user_text
ON /*_*/recentchanges (rc_user_text
, rc_timestamp
);
1038 CREATE INDEX /*i*/rc_ns_actor
ON /*_*/recentchanges (rc_namespace
, rc_actor
);
1039 CREATE INDEX /*i*/rc_actor
ON /*_*/recentchanges (rc_actor
, rc_timestamp
);
1040 CREATE INDEX /*i*/rc_name_type_patrolled_timestamp
ON /*_*/recentchanges (rc_namespace
, rc_type
, rc_patrolled
, rc_timestamp
);
1043 CREATE TABLE /*_*/watchlist (
1044 wl_id
int NOT NULL PRIMARY KEY IDENTITY,
1045 -- Key to user.user_id
1046 wl_user
int NOT NULL REFERENCES /*_*/mwuser(user_id
) ON DELETE CASCADE,
1048 -- Key to page_namespace/page_title
1049 -- Note that users may watch pages which do not exist yet,
1050 -- or existed in the past but have been deleted.
1051 wl_namespace
int NOT NULL default 0,
1052 wl_title
nvarchar(255) NOT NULL default '',
1054 -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
1055 -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
1056 -- of the page, which means that they should be sent an e-mail on the next change.
1057 wl_notificationtimestamp
varchar(14)
1061 CREATE UNIQUE INDEX /*i*/wl_user
ON /*_*/watchlist (wl_user
, wl_namespace
, wl_title
);
1062 CREATE INDEX /*i*/namespace_title
ON /*_*/watchlist (wl_namespace
, wl_title
);
1066 -- Our search index for the builtin MediaWiki search
1068 CREATE TABLE /*_*/searchindex (
1070 si_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1072 -- Munged version of title
1073 si_title
nvarchar(255) NOT NULL default '',
1075 -- Munged version of body text
1076 si_text
nvarchar(max) NOT NULL
1079 CREATE UNIQUE INDEX /*i*/si_page
ON /*_*/searchindex (si_page
);
1080 -- Fulltext index is defined in MssqlInstaller.php
1083 -- Recognized interwiki link prefixes
1085 CREATE TABLE /*_*/interwiki (
1086 -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
1087 iw_prefix
nvarchar(32) NOT NULL,
1089 -- The URL of the wiki, with "$1" as a placeholder for an article name.
1090 -- Any spaces in the name will be transformed to underscores before
1092 iw_url
nvarchar(max) NOT NULL,
1094 -- The URL of the file api.php
1095 iw_api
nvarchar(max) NOT NULL,
1097 -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
1098 iw_wikiid
nvarchar(64) NOT NULL,
1100 -- A boolean value indicating whether the wiki is in this project
1101 -- (used, for example, to detect redirect loops)
1102 iw_local
bit NOT NULL,
1104 -- Boolean value indicating whether interwiki transclusions are allowed.
1105 iw_trans
bit NOT NULL default 0
1108 CREATE UNIQUE INDEX /*i*/iw_prefix
ON /*_*/interwiki (iw_prefix
);
1112 -- Used for caching expensive grouped queries
1114 CREATE TABLE /*_*/querycache (
1115 -- A key name, generally the base name of of the special page.
1116 qc_type
nvarchar(32) NOT NULL,
1118 -- Some sort of stored value. Sizes, counts...
1119 qc_value
int NOT NULL default 0,
1121 -- Target namespace+title
1122 qc_namespace
int NOT NULL default 0,
1123 qc_title
nvarchar(255) NOT NULL default ''
1126 CREATE INDEX /*i*/qc_type
ON /*_*/querycache (qc_type
,qc_value
);
1130 -- For a few generic cache operations if not using Memcached
1132 CREATE TABLE /*_*/objectcache (
1133 keyname
nvarchar(255) NOT NULL default '' PRIMARY KEY,
1134 value varbinary(max),
1137 CREATE INDEX /*i*/exptime
ON /*_*/objectcache (exptime
);
1141 -- Cache of interwiki transclusion
1143 CREATE TABLE /*_*/transcache (
1144 tc_url
nvarchar(255) NOT NULL,
1145 tc_contents
nvarchar(max),
1146 tc_time
varchar(14) NOT NULL
1149 CREATE UNIQUE INDEX /*i*/tc_url_idx
ON /*_*/transcache (tc_url
);
1152 CREATE TABLE /*_*/logging (
1153 -- Log ID, for referring to this specific log entry, probably for deletion and such.
1154 log_id
int NOT NULL PRIMARY KEY IDENTITY(0,1),
1156 -- Symbolic keys for the general log type and the action type
1157 -- within the log. The output format will be controlled by the
1158 -- action field, but only the type controls categorization.
1159 log_type
nvarchar(32) NOT NULL default '',
1160 log_action
nvarchar(32) NOT NULL default '',
1163 log_timestamp
varchar(14) NOT NULL default '',
1165 -- The user who performed this action; key to user_id
1166 log_user
int, -- NOT an FK, if a user is deleted we still want to maintain a record of who did a thing
1168 -- Name of the user who performed this action
1169 log_user_text
nvarchar(255) NOT NULL default '',
1171 -- The actor who performed this action
1172 log_actor
bigint unsigned
NOT NULL CONSTRAINT DF_log_actor
DEFAULT 0,
1174 -- Key to the page affected. Where a user is the target,
1175 -- this will point to the user page.
1176 log_namespace
int NOT NULL default 0,
1177 log_title
nvarchar(255) NOT NULL default '',
1178 log_page
int NULL, -- NOT an FK, logging entries are inserted for deleted pages which still reference the deleted page ids
1180 -- Freeform text. Interpreted as edit history comments.
1181 log_comment
nvarchar(255) NOT NULL default '',
1183 -- Key to comment_id. Comment summarizing the change.
1184 -- ("DEFAULT 0" is temporary, signaling that log_comment should be used)
1185 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
),
1187 -- miscellaneous parameters:
1188 -- LF separated list (old system) or serialized PHP array (new system)
1189 log_params
nvarchar(max) NOT NULL,
1191 -- rev_deleted for logs
1192 log_deleted tinyint
NOT NULL default 0
1195 CREATE INDEX /*i*/type_time
ON /*_*/logging (log_type
, log_timestamp
);
1196 CREATE INDEX /*i*/user_time
ON /*_*/logging (log_user
, log_timestamp
);
1197 CREATE INDEX /*i*/page_time
ON /*_*/logging (log_namespace
, log_title
, log_timestamp
);
1198 CREATE INDEX /*i*/times
ON /*_*/logging (log_timestamp
);
1199 CREATE INDEX /*i*/log_user_type_time
ON /*_*/logging (log_user
, log_type
, log_timestamp
);
1200 CREATE INDEX /*i*/log_page_id_time
ON /*_*/logging (log_page
,log_timestamp
);
1201 CREATE INDEX /*i*/type_action
ON /*_*/logging (log_type
, log_action
, log_timestamp
);
1202 CREATE INDEX /*i*/log_user_text_type_time
ON /*_*/logging (log_user_text
, log_type
, log_timestamp
);
1203 CREATE INDEX /*i*/log_user_text_time
ON /*_*/logging (log_user_text
, log_timestamp
);
1204 CREATE INDEX /*i*/actor_time
ON /*_*/logging (log_actor
, log_timestamp
);
1205 CREATE INDEX /*i*/log_actor_type_time
ON /*_*/logging (log_actor
, log_type
, log_timestamp
);
1207 INSERT INTO /*_*/logging (log_user
,log_page
,log_params
) VALUES(0,0,'');
1209 ALTER TABLE /*_*/recentchanges
ADD CONSTRAINT rc_logid__log_id__fk
FOREIGN KEY (rc_logid
) REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE;
1211 CREATE TABLE /*_*/log_search (
1212 -- The type of ID (rev ID, log ID, rev timestamp, username)
1213 ls_field
nvarchar(32) NOT NULL,
1214 -- The value of the ID
1215 ls_value
nvarchar(255) NOT NULL,
1217 ls_log_id
int REFERENCES /*_*/logging(log_id
) ON DELETE CASCADE
1219 CREATE UNIQUE INDEX /*i*/ls_field_val
ON /*_*/log_search (ls_field
,ls_value
,ls_log_id
);
1220 CREATE INDEX /*i*/ls_log_id
ON /*_*/log_search (ls_log_id
);
1223 -- Jobs performed by parallel apache threads or a command-line daemon
1224 CREATE TABLE /*_*/job (
1225 job_id
int NOT NULL PRIMARY KEY IDENTITY,
1228 -- Limited to 60 to prevent key length overflow
1229 job_cmd
nvarchar(60) NOT NULL default '',
1231 -- Namespace and title to act on
1232 -- Should be 0 and '' if the command does not operate on a title
1233 job_namespace
int NOT NULL,
1234 job_title
nvarchar(255) NOT NULL,
1236 -- Timestamp of when the job was inserted
1237 -- NULL for jobs added before addition of the timestamp
1238 job_timestamp
nvarchar(14) NULL default NULL,
1240 -- Any other parameters to the command
1241 -- Stored as a PHP serialized array, or an empty string if there are no parameters
1242 job_params
nvarchar(max) NOT NULL,
1244 -- Random, non-unique, number used for job acquisition (for lock concurrency)
1245 job_random
int NOT NULL default 0,
1247 -- The number of times this job has been locked
1248 job_attempts
int NOT NULL default 0,
1250 -- Field that conveys process locks on rows via process UUIDs
1251 job_token
nvarchar(32) NOT NULL default '',
1253 -- Timestamp when the job was locked
1254 job_token_timestamp
varchar(14) NULL default NULL,
1256 -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1257 job_sha1
nvarchar(32) NOT NULL default ''
1260 CREATE INDEX /*i*/job_sha1
ON /*_*/job (job_sha1
);
1261 CREATE INDEX /*i*/job_cmd_token
ON /*_*/job (job_cmd
,job_token
,job_random
);
1262 CREATE INDEX /*i*/job_cmd_token_id
ON /*_*/job (job_cmd
,job_token
,job_id
);
1263 CREATE INDEX /*i*/job_cmd
ON /*_*/job (job_cmd
, job_namespace
, job_title
);
1264 CREATE INDEX /*i*/job_timestamp
ON /*_*/job (job_timestamp
);
1267 -- Details of updates to cached special pages
1268 CREATE TABLE /*_*/querycache_info (
1269 -- Special page name
1270 -- Corresponds to a qc_type value
1271 qci_type
nvarchar(32) NOT NULL default '',
1273 -- Timestamp of last update
1274 qci_timestamp
varchar(14) NOT NULL default ''
1277 CREATE UNIQUE INDEX /*i*/qci_type
ON /*_*/querycache_info (qci_type
);
1280 -- For each redirect, this table contains exactly one row defining its target
1281 CREATE TABLE /*_*/redirect (
1282 -- Key to the page_id of the redirect page
1283 rd_from
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1285 -- Key to page_namespace/page_title of the target page.
1286 -- The target page may or may not exist, and due to renames
1287 -- and deletions may refer to different page records as time
1289 rd_namespace
int NOT NULL default 0,
1290 rd_title
nvarchar(255) NOT NULL default '',
1291 rd_interwiki
nvarchar(32) default NULL,
1292 rd_fragment
nvarchar(255) default NULL
1295 CREATE INDEX /*i*/rd_ns_title
ON /*_*/redirect (rd_namespace
,rd_title
,rd_from
);
1298 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1299 CREATE TABLE /*_*/querycachetwo (
1300 -- A key name, generally the base name of of the special page.
1301 qcc_type
nvarchar(32) NOT NULL,
1303 -- Some sort of stored value. Sizes, counts...
1304 qcc_value
int NOT NULL default 0,
1306 -- Target namespace+title
1307 qcc_namespace
int NOT NULL default 0,
1308 qcc_title
nvarchar(255) NOT NULL default '',
1310 -- Target namespace+title2
1311 qcc_namespacetwo
int NOT NULL default 0,
1312 qcc_titletwo
nvarchar(255) NOT NULL default ''
1315 CREATE INDEX /*i*/qcc_type
ON /*_*/querycachetwo (qcc_type
,qcc_value
);
1316 CREATE INDEX /*i*/qcc_title
ON /*_*/querycachetwo (qcc_type
,qcc_namespace
,qcc_title
);
1317 CREATE INDEX /*i*/qcc_titletwo
ON /*_*/querycachetwo (qcc_type
,qcc_namespacetwo
,qcc_titletwo
);
1320 -- Used for storing page restrictions (i.e. protection levels)
1321 CREATE TABLE /*_*/page_restrictions (
1322 -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1323 pr_id
int NOT NULL PRIMARY KEY IDENTITY,
1324 -- Page to apply restrictions to (Foreign Key to page).
1325 pr_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1326 -- The protection type (edit, move, etc)
1327 pr_type
nvarchar(60) NOT NULL,
1328 -- The protection level (Sysop, autoconfirmed, etc)
1329 pr_level
nvarchar(60) NOT NULL,
1330 -- Whether or not to cascade the protection down to pages transcluded.
1331 pr_cascade
bit NOT NULL,
1332 -- Field for future support of per-user restriction.
1334 -- Field for time-limited protection.
1335 pr_expiry
varchar(14) NULL
1338 CREATE UNIQUE INDEX /*i*/pr_pagetype
ON /*_*/page_restrictions (pr_page
,pr_type
);
1339 CREATE INDEX /*i*/pr_typelevel
ON /*_*/page_restrictions (pr_type
,pr_level
);
1340 CREATE INDEX /*i*/pr_level
ON /*_*/page_restrictions (pr_level
);
1341 CREATE INDEX /*i*/pr_cascade
ON /*_*/page_restrictions (pr_cascade
);
1344 -- Protected titles - nonexistent pages that have been protected
1345 CREATE TABLE /*_*/protected_titles (
1346 pt_namespace
int NOT NULL,
1347 pt_title
nvarchar(255) NOT NULL,
1348 pt_user
int REFERENCES /*_*/mwuser(user_id
) ON DELETE SET NULL,
1349 pt_reason
nvarchar(255) CONSTRAINT DF_pt_reason
DEFAULT '',
1350 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
),
1351 pt_timestamp
varchar(14) NOT NULL,
1352 pt_expiry
varchar(14) NOT NULL,
1353 pt_create_perm
nvarchar(60) NOT NULL
1356 CREATE UNIQUE INDEX /*i*/pt_namespace_title
ON /*_*/protected_titles (pt_namespace
,pt_title
);
1357 CREATE INDEX /*i*/pt_timestamp
ON /*_*/protected_titles (pt_timestamp
);
1360 -- Name/value pairs indexed by page_id
1361 CREATE TABLE /*_*/page_props (
1362 pp_page
int NOT NULL REFERENCES /*_*/page(page_id
) ON DELETE CASCADE,
1363 pp_propname
nvarchar(60) NOT NULL,
1364 pp_value
nvarchar(max) NOT NULL,
1365 pp_sortkey
float DEFAULT NULL
1368 CREATE UNIQUE INDEX /*i*/pp_page_propname
ON /*_*/page_props (pp_page
,pp_propname
);
1369 CREATE UNIQUE INDEX /*i*/pp_propname_page
ON /*_*/page_props (pp_propname
,pp_page
);
1370 CREATE UNIQUE INDEX /*i*/pp_propname_sortkey_page
ON /*_*/page_props (pp_propname
,pp_sortkey
,pp_page
);
1373 -- A table to log updates, one text key row per update.
1374 CREATE TABLE /*_*/updatelog (
1375 ul_key
nvarchar(255) NOT NULL PRIMARY KEY,
1376 ul_value
nvarchar(max)
1380 -- A table to track tags for revisions, logs and recent changes.
1381 CREATE TABLE /*_*/change_tag (
1382 ct_id
int NOT NULL PRIMARY KEY IDENTITY,
1383 -- RCID for the change
1384 ct_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1385 -- LOGID for the change
1386 ct_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1387 -- REVID for the change
1388 ct_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1390 ct_tag
nvarchar(255) NOT NULL,
1391 -- Parameters for the tag, presently unused
1392 ct_params
nvarchar(max) NULL
1395 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag
ON /*_*/change_tag (ct_rc_id
,ct_tag
);
1396 CREATE UNIQUE INDEX /*i*/change_tag_log_tag
ON /*_*/change_tag (ct_log_id
,ct_tag
);
1397 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag
ON /*_*/change_tag (ct_rev_id
,ct_tag
);
1398 -- Covering index, so we can pull all the info only out of the index.
1399 CREATE INDEX /*i*/change_tag_tag_id
ON /*_*/change_tag (ct_tag
,ct_rc_id
,ct_rev_id
,ct_log_id
);
1402 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1403 -- that only works on MySQL 4.1+
1404 CREATE TABLE /*_*/tag_summary (
1405 ts_id
int NOT NULL PRIMARY KEY IDENTITY,
1406 -- RCID for the change
1407 ts_rc_id
int NULL REFERENCES /*_*/recentchanges(rc_id
),
1408 -- LOGID for the change
1409 ts_log_id
int NULL REFERENCES /*_*/logging(log_id
),
1410 -- REVID for the change
1411 ts_rev_id
int NULL REFERENCES /*_*/revision(rev_id
),
1412 -- Comma-separated list of tags
1413 ts_tags
nvarchar(max) NOT NULL
1416 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id
ON /*_*/tag_summary (ts_rc_id
);
1417 CREATE UNIQUE INDEX /*i*/tag_summary_log_id
ON /*_*/tag_summary (ts_log_id
);
1418 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id
ON /*_*/tag_summary (ts_rev_id
);
1421 CREATE TABLE /*_*/valid_tag (
1422 vt_tag
nvarchar(255) NOT NULL PRIMARY KEY
1425 -- Table for storing localisation data
1426 CREATE TABLE /*_*/l10n_cache (
1428 lc_lang
nvarchar(32) NOT NULL,
1430 lc_key
nvarchar(255) NOT NULL,
1432 lc_value
varbinary(max) NOT NULL
1434 CREATE INDEX /*i*/lc_lang_key
ON /*_*/l10n_cache (lc_lang
, lc_key
);
1436 -- Table caching which local files a module depends on that aren't
1437 -- registered directly, used for fast retrieval of file dependency.
1438 -- Currently only used for tracking images that CSS depends on
1439 CREATE TABLE /*_*/module_deps (
1441 md_module
nvarchar(255) NOT NULL,
1443 md_skin
nvarchar(32) NOT NULL,
1444 -- JSON nvarchar(max) with file dependencies
1445 md_deps
nvarchar(max) NOT NULL
1447 CREATE UNIQUE INDEX /*i*/md_module_skin
ON /*_*/module_deps (md_module
, md_skin
);
1449 -- Holds all the sites known to the wiki.
1450 CREATE TABLE /*_*/sites (
1451 -- Numeric id of the site
1452 site_id
int NOT NULL PRIMARY KEY IDENTITY,
1454 -- Global identifier for the site, ie 'enwiktionary'
1455 site_global_key
nvarchar(32) NOT NULL,
1457 -- Type of the site, ie 'mediawiki'
1458 site_type
nvarchar(32) NOT NULL,
1460 -- Group of the site, ie 'wikipedia'
1461 site_group
nvarchar(32) NOT NULL,
1463 -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1464 site_source
nvarchar(32) NOT NULL,
1466 -- Language code of the sites primary language.
1467 site_language
nvarchar(32) NOT NULL,
1469 -- Protocol of the site, ie 'http://', 'irc://', '//'
1470 -- This field is an index for lookups and is build from type specific data in site_data.
1471 site_protocol
nvarchar(32) NOT NULL,
1473 -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1474 -- This field is an index for lookups and is build from type specific data in site_data.
1475 site_domain
NVARCHAR(255) NOT NULL,
1477 -- Type dependent site data.
1478 site_data
nvarchar(max) NOT NULL,
1480 -- If site.tld/path/key:pageTitle should forward users to the page on
1481 -- the actual site, where "key" is the local identifier.
1482 site_forward
bit NOT NULL,
1484 -- Type dependent site config.
1485 -- For instance if template transclusion should be allowed if it's a MediaWiki.
1486 site_config
nvarchar(max) NOT NULL
1489 CREATE UNIQUE INDEX /*i*/sites_global_key
ON /*_*/sites (site_global_key
);
1490 CREATE INDEX /*i*/sites_type
ON /*_*/sites (site_type
);
1491 CREATE INDEX /*i*/sites_group
ON /*_*/sites (site_group
);
1492 CREATE INDEX /*i*/sites_source
ON /*_*/sites (site_source
);
1493 CREATE INDEX /*i*/sites_language
ON /*_*/sites (site_language
);
1494 CREATE INDEX /*i*/sites_protocol
ON /*_*/sites (site_protocol
);
1495 CREATE INDEX /*i*/sites_domain
ON /*_*/sites (site_domain
);
1496 CREATE INDEX /*i*/sites_forward
ON /*_*/sites (site_forward
);
1498 -- Links local site identifiers to their corresponding site.
1499 CREATE TABLE /*_*/site_identifiers (
1500 -- Key on site.site_id
1501 si_site
int NOT NULL REFERENCES /*_*/sites(site_id
) ON DELETE CASCADE,
1503 -- local key type, ie 'interwiki' or 'langlink'
1504 si_type
nvarchar(32) NOT NULL,
1506 -- local key value, ie 'en' or 'wiktionary'
1507 si_key
nvarchar(32) NOT NULL
1510 CREATE UNIQUE INDEX /*i*/site_ids_type
ON /*_*/site_identifiers (si_type
, si_key
);
1511 CREATE INDEX /*i*/site_ids_site
ON /*_*/site_identifiers (si_site
);
1512 CREATE INDEX /*i*/site_ids_key
ON /*_*/site_identifiers (si_key
);