maintenance/mssql/tables.sql

   1 -- Experimental table definitions for Microsoft SQL Server with
   2 -- content-holding fields switched to explicit BINARY charset.
   3 -- ------------------------------------------------------------
   4
   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.
   8
   9 --
  10 -- General notes:
  11 --
  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.
  17 --
  18
  19
  20 --
  21 -- The user table contains basic account information,
  22 -- authentication keys, etc.
  23 --
  24 -- Some multi-wiki sites may share a single central user table
  25 -- between separate wikis using the $wgSharedDB setting.
  26 --
  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
  30 -- tables.
  31
  32 -- LINE:53
  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_options      NVARCHAR(MAX) NOT NULL DEFAULT '',
  42    user_touched      varchar(14)      NOT NULL DEFAULT '',
  43    user_token        NCHAR(32)      NOT NULL DEFAULT '',
  44    user_email_authenticated varchar(14) DEFAULT NULL,
  45    user_email_token  NCHAR(32) DEFAULT '',
  46    user_email_token_expires varchar(14) DEFAULT NULL,
  47    user_registration varchar(14) DEFAULT NULL,
  48    user_editcount    INT NULL DEFAULT NULL,
  49    user_password_expires varchar(14) DEFAULT NULL
  50 );
  51 CREATE UNIQUE INDEX /*i*/user_name ON /*_*/mwuser (user_name);
  52 CREATE INDEX /*i*/user_email_token ON /*_*/mwuser (user_email_token);
  53 CREATE INDEX /*i*/user_email ON /*_*/mwuser (user_email);
  54
  55 -- Insert a dummy user to represent anons
  56 INSERT INTO /*_*/mwuser (user_name) VALUES ('##Anonymous##');
  57
  58 --
  59 -- User permissions have been broken out to a separate table;
  60 -- this allows sites with a shared user table to have different
  61 -- permissions assigned to a user in each project.
  62 --
  63 -- This table replaces the old user_rights field which used a
  64 -- comma-separated nvarchar(max).
  65 CREATE TABLE /*_*/user_groups (
  66    ug_user  INT     NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
  67    ug_group NVARCHAR(255) NOT NULL DEFAULT '',
  68 );
  69 CREATE UNIQUE clustered INDEX /*i*/ug_user_group ON /*_*/user_groups (ug_user, ug_group);
  70 CREATE INDEX /*i*/ug_group ON /*_*/user_groups(ug_group);
  71
  72 -- Stores the groups the user has once belonged to.
  73 -- The user may still belong to these groups (check user_groups).
  74 -- Users are not autopromoted to groups from which they were removed.
  75 CREATE TABLE /*_*/user_former_groups (
  76   ufg_user INT NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
  77   ufg_group nvarchar(255) NOT NULL default ''
  78 );
  79 CREATE UNIQUE INDEX /*i*/ufg_user_group ON /*_*/user_former_groups (ufg_user,ufg_group);
  80
  81 -- Stores notifications of user talk page changes, for the display
  82 -- of the "you have new messages" box
  83 -- Changed user_id column to user_id to avoid clashing with user_id function
  84 CREATE TABLE /*_*/user_newtalk (
  85    user_id INT         NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
  86    user_ip NVARCHAR(40) NOT NULL DEFAULT '',
  87    user_last_timestamp varchar(14) DEFAULT NULL,
  88 );
  89 CREATE INDEX /*i*/un_user_id ON /*_*/user_newtalk (user_id);
  90 CREATE INDEX /*i*/un_user_ip ON /*_*/user_newtalk (user_ip);
  91
  92 --
  93 -- User preferences and other fun stuff
  94 -- replaces old user.user_options nvarchar(max)
  95 --
  96 CREATE TABLE /*_*/user_properties (
  97         up_user INT NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
  98         up_property NVARCHAR(255) NOT NULL,
  99         up_value NVARCHAR(MAX),
 100 );
 101 CREATE UNIQUE CLUSTERED INDEX /*i*/user_properties_user_property ON /*_*/user_properties (up_user,up_property);
 102 CREATE INDEX /*i*/user_properties_property ON /*_*/user_properties (up_property);
 103
 104
 105 --
 106 -- Core of the wiki: each page has an entry here which identifies
 107 -- it by title and contains some essential metadata.
 108 --
 109 CREATE TABLE /*_*/page (
 110    page_id        INT          NOT NULL  PRIMARY KEY IDENTITY(0,1),
 111    page_namespace INT          NOT NULL,
 112    page_title     NVARCHAR(255)  NOT NULL,
 113    page_restrictions NVARCHAR(255) NOT NULL,
 114    page_counter BIGINT            NOT NULL DEFAULT 0,
 115    page_is_redirect BIT           NOT NULL DEFAULT 0,
 116    page_is_new BIT                NOT NULL DEFAULT 0,
 117    page_random real     NOT NULL DEFAULT RAND(),
 118    page_touched varchar(14) NOT NULL default '',
 119    page_links_updated varchar(14) DEFAULT NULL,
 120    page_latest INT, -- FK inserted later
 121    page_len INT NOT NULL,
 122    page_content_model nvarchar(32) default null
 123 );
 124 CREATE UNIQUE INDEX /*i*/name_title ON /*_*/page (page_namespace,page_title);
 125 CREATE INDEX /*i*/page_random ON /*_*/page (page_random);
 126 CREATE INDEX /*i*/page_len ON /*_*/page (page_len);
 127 CREATE INDEX /*i*/page_redirect_namespace_len ON /*_*/page (page_is_redirect, page_namespace, page_len);
 128
 129 -- insert a dummy page
 130 INSERT INTO /*_*/page (page_namespace, page_title, page_restrictions, page_latest, page_len) VALUES (-1,'','',0,0);
 131
 132 --
 133 -- Every edit of a page creates also a revision row.
 134 -- This stores metadata about the revision, and a reference
 135 -- to the TEXT storage backend.
 136 --
 137 CREATE TABLE /*_*/revision (
 138    rev_id INT NOT NULL UNIQUE IDENTITY(0,1),
 139    rev_page INT NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 140    rev_text_id INT  NOT NULL, -- FK added later
 141    rev_comment NVARCHAR(255) NOT NULL,
 142    rev_user INT REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 143    rev_user_text NVARCHAR(255) NOT NULL DEFAULT '',
 144    rev_timestamp varchar(14) NOT NULL default '',
 145    rev_minor_edit BIT NOT NULL DEFAULT 0,
 146    rev_deleted TINYINT  NOT NULL DEFAULT 0,
 147    rev_len INT,
 148    rev_parent_id INT DEFAULT NULL REFERENCES /*_*/revision(rev_id),
 149    rev_sha1 nvarchar(32) not null default '',
 150    rev_content_model nvarchar(32) default null,
 151    rev_content_format nvarchar(64) default null
 152 );
 153 CREATE UNIQUE CLUSTERED INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id);
 154 CREATE INDEX /*i*/rev_timestamp ON /*_*/revision (rev_timestamp);
 155 CREATE INDEX /*i*/page_timestamp ON /*_*/revision (rev_page,rev_timestamp);
 156 CREATE INDEX /*i*/user_timestamp ON /*_*/revision (rev_user,rev_timestamp);
 157 CREATE INDEX /*i*/usertext_timestamp ON /*_*/revision (rev_user_text,rev_timestamp);
 158 CREATE INDEX /*i*/page_user_timestamp ON /*_*/revision (rev_page,rev_user,rev_timestamp);
 159
 160 -- insert a dummy revision
 161 INSERT INTO /*_*/revision (rev_page,rev_text_id,rev_comment,rev_user,rev_len) VALUES (0,0,'',0,0);
 162
 163 ALTER TABLE /*_*/page ADD CONSTRAINT FK_page_latest_page_id FOREIGN KEY (page_latest) REFERENCES /*_*/revision(rev_id);
 164
 165 --
 166 -- Holds TEXT of individual page revisions.
 167 --
 168 -- Field names are a holdover from the 'old' revisions table in
 169 -- MediaWiki 1.4 and earlier: an upgrade will transform that
 170 -- table INTo the 'text' table to minimize unnecessary churning
 171 -- and downtime. If upgrading, the other fields will be left unused.
 172 CREATE TABLE /*_*/text (
 173    old_id INT NOT NULL  PRIMARY KEY IDENTITY(0,1),
 174    old_text nvarchar(max) NOT NULL,
 175    old_flags NVARCHAR(255) NOT NULL,
 176 );
 177
 178 -- insert a dummy text
 179 INSERT INTO /*_*/text (old_text,old_flags) VALUES ('','');
 180
 181 ALTER TABLE /*_*/revision ADD CONSTRAINT FK_rev_text_id_old_id FOREIGN KEY (rev_text_id) REFERENCES /*_*/text(old_id) ON DELETE CASCADE;
 182
 183 --
 184 -- Holding area for deleted articles, which may be viewed
 185 -- or restored by admins through the Special:Undelete interface.
 186 -- The fields generally correspond to the page, revision, and text
 187 -- fields, with several caveats.
 188 -- Cannot reasonably create views on this table, due to the presence of TEXT
 189 -- columns.
 190 CREATE TABLE /*_*/archive (
 191    ar_id int NOT NULL PRIMARY KEY IDENTITY,
 192    ar_namespace SMALLINT NOT NULL DEFAULT 0,
 193    ar_title NVARCHAR(255) NOT NULL DEFAULT '',
 194    ar_text NVARCHAR(MAX) NOT NULL,
 195    ar_comment NVARCHAR(255) NOT NULL,
 196    ar_user INT REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 197    ar_user_text NVARCHAR(255) NOT NULL,
 198    ar_timestamp varchar(14) NOT NULL default '',
 199    ar_minor_edit BIT NOT NULL DEFAULT 0,
 200    ar_flags NVARCHAR(255) NOT NULL,
 201    ar_rev_id INT NULL, -- NOT a FK, the row gets deleted from revision and moved here
 202    ar_text_id INT REFERENCES /*_*/text(old_id) ON DELETE CASCADE,
 203    ar_deleted TINYINT NOT NULL DEFAULT 0,
 204    ar_len INT,
 205    ar_page_id INT NULL, -- NOT a FK, the row gets deleted from page and moved here
 206    ar_parent_id INT NULL REFERENCES /*_*/revision(rev_id),
 207    ar_sha1 nvarchar(32) default null,
 208    ar_content_model nvarchar(32) DEFAULT NULL,
 209   ar_content_format nvarchar(64) DEFAULT NULL
 210 );
 211 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
 212 CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
 213 CREATE INDEX /*i*/ar_revid ON /*_*/archive (ar_rev_id);
 214
 215
 216 --
 217 -- Track page-to-page hyperlinks within the wiki.
 218 --
 219 CREATE TABLE /*_*/pagelinks (
 220    pl_from INT NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 221    pl_namespace INT NOT NULL DEFAULT 0,
 222    pl_title NVARCHAR(255) NOT NULL DEFAULT '',
 223 );
 224 CREATE UNIQUE INDEX /*i*/pl_from ON /*_*/pagelinks (pl_from,pl_namespace,pl_title);
 225 CREATE UNIQUE INDEX /*i*/pl_namespace ON /*_*/pagelinks (pl_namespace,pl_title,pl_from);
 226
 227
 228 --
 229 -- Track template inclusions.
 230 --
 231 CREATE TABLE /*_*/templatelinks (
 232   tl_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 233   tl_namespace int NOT NULL default 0,
 234   tl_title nvarchar(255) NOT NULL default ''
 235 );
 236
 237 CREATE UNIQUE INDEX /*i*/tl_from ON /*_*/templatelinks (tl_from,tl_namespace,tl_title);
 238 CREATE UNIQUE INDEX /*i*/tl_namespace ON /*_*/templatelinks (tl_namespace,tl_title,tl_from);
 239
 240
 241 --
 242 -- Track links to images *used inline*
 243 -- We don't distinguish live from broken links here, so
 244 -- they do not need to be changed on upload/removal.
 245 --
 246 CREATE TABLE /*_*/imagelinks (
 247   -- Key to page_id of the page containing the image / media link.
 248   il_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 249
 250   -- Filename of target image.
 251   -- This is also the page_title of the file's description page;
 252   -- all such pages are in namespace 6 (NS_FILE).
 253   il_to nvarchar(255) NOT NULL default ''
 254 );
 255
 256 CREATE UNIQUE INDEX /*i*/il_from ON /*_*/imagelinks (il_from,il_to);
 257 CREATE UNIQUE INDEX /*i*/il_to ON /*_*/imagelinks (il_to,il_from);
 258
 259 --
 260 -- Track category inclusions *used inline*
 261 -- This tracks a single level of category membership
 262 --
 263 CREATE TABLE /*_*/categorylinks (
 264   -- Key to page_id of the page defined as a category member.
 265   cl_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 266
 267   -- Name of the category.
 268   -- This is also the page_title of the category's description page;
 269   -- all such pages are in namespace 14 (NS_CATEGORY).
 270   cl_to nvarchar(255) NOT NULL default '',
 271
 272   -- A binary string obtained by applying a sortkey generation algorithm
 273   -- (Collation::getSortKey()) to page_title, or cl_sortkey_prefix . "\n"
 274   -- . page_title if cl_sortkey_prefix is nonempty.
 275   cl_sortkey varbinary(230) NOT NULL default 0x,
 276
 277   -- A prefix for the raw sortkey manually specified by the user, either via
 278   -- [[Category:Foo|prefix]] or {{defaultsort:prefix}}.  If nonempty, it's
 279   -- concatenated with a line break followed by the page title before the sortkey
 280   -- conversion algorithm is run.  We store this so that we can update
 281   -- collations without reparsing all pages.
 282   -- Note: If you change the length of this field, you also need to change
 283   -- code in LinksUpdate.php. See bug 25254.
 284   cl_sortkey_prefix varbinary(255) NOT NULL default 0x,
 285
 286   -- This isn't really used at present. Provided for an optional
 287   -- sorting method by approximate addition time.
 288   cl_timestamp varchar(14) NOT NULL,
 289
 290   -- Stores $wgCategoryCollation at the time cl_sortkey was generated.  This
 291   -- can be used to install new collation versions, tracking which rows are not
 292   -- yet updated.  '' means no collation, this is a legacy row that needs to be
 293   -- updated by updateCollation.php.  In the future, it might be possible to
 294   -- specify different collations per category.
 295   cl_collation nvarchar(32) NOT NULL default '',
 296
 297   -- Stores whether cl_from is a category, file, or other page, so we can
 298   -- paginate the three categories separately.  This never has to be updated
 299   -- after the page is created, since none of these page types can be moved to
 300   -- any other.
 301   -- SQL server doesn't have enums, so we approximate with this
 302   cl_type varchar(10) NOT NULL default 'page' CHECK (cl_type IN('page', 'subcat', 'file'))
 303 );
 304
 305 CREATE UNIQUE INDEX /*i*/cl_from ON /*_*/categorylinks (cl_from,cl_to);
 306
 307 -- We always sort within a given category, and within a given type.  FIXME:
 308 -- Formerly this index didn't cover cl_type (since that didn't exist), so old
 309 -- callers won't be using an index: fix this?
 310 CREATE INDEX /*i*/cl_sortkey ON /*_*/categorylinks (cl_to,cl_type,cl_sortkey,cl_from);
 311
 312 -- Used by the API (and some extensions)
 313 CREATE INDEX /*i*/cl_timestamp ON /*_*/categorylinks (cl_to,cl_timestamp);
 314
 315 -- FIXME: Not used, delete this
 316 CREATE INDEX /*i*/cl_collation ON /*_*/categorylinks (cl_collation);
 317
 318 --
 319 -- Track all existing categories.  Something is a category if 1) it has an en-
 320 -- try somewhere in categorylinks, or 2) it once did.  Categories might not
 321 -- have corresponding pages, so they need to be tracked separately.
 322 --
 323 CREATE TABLE /*_*/category (
 324   -- Primary key
 325   cat_id int NOT NULL PRIMARY KEY IDENTITY,
 326
 327   -- Name of the category, in the same form as page_title (with underscores).
 328   -- If there is a category page corresponding to this category, by definition,
 329   -- it has this name (in the Category namespace).
 330   cat_title nvarchar(255) NOT NULL,
 331
 332   -- The numbers of member pages (including categories and media), subcatego-
 333   -- ries, and Image: namespace members, respectively.  These are signed to
 334   -- make underflow more obvious.  We make the first number include the second
 335   -- two for better sorting: subtracting for display is easy, adding for order-
 336   -- ing is not.
 337   cat_pages int NOT NULL default 0,
 338   cat_subcats int NOT NULL default 0,
 339   cat_files int NOT NULL default 0
 340 );
 341
 342 CREATE UNIQUE INDEX /*i*/cat_title ON /*_*/category (cat_title);
 343
 344 -- For Special:Mostlinkedcategories
 345 CREATE INDEX /*i*/cat_pages ON /*_*/category (cat_pages);
 346
 347
 348 --
 349 -- Track links to external URLs
 350 --
 351 CREATE TABLE /*_*/externallinks (
 352   -- Primary key
 353   el_id int NOT NULL PRIMARY KEY IDENTITY,
 354
 355   -- page_id of the referring page
 356   el_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 357
 358   -- The URL
 359   el_to nvarchar(max) NOT NULL,
 360
 361   -- In the case of HTTP URLs, this is the URL with any username or password
 362   -- removed, and with the labels in the hostname reversed and converted to
 363   -- lower case. An extra dot is added to allow for matching of either
 364   -- example.com or *.example.com in a single scan.
 365   -- Example:
 366   --      http://user:password@sub.example.com/page.html
 367   --   becomes
 368   --      http://com.example.sub./page.html
 369   -- which allows for fast searching for all pages under example.com with the
 370   -- clause:
 371   --      WHERE el_index LIKE 'http://com.example.%'
 372   el_index nvarchar(450) NOT NULL
 373 );
 374
 375 CREATE INDEX /*i*/el_from ON /*_*/externallinks (el_from);
 376 CREATE INDEX /*i*/el_index ON /*_*/externallinks (el_index);
 377
 378 --
 379 -- Track interlanguage links
 380 --
 381 CREATE TABLE /*_*/langlinks (
 382   -- page_id of the referring page
 383   ll_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 384
 385   -- Language code of the target
 386   ll_lang nvarchar(20) NOT NULL default '',
 387
 388   -- Title of the target, including namespace
 389   ll_title nvarchar(255) NOT NULL default ''
 390 );
 391
 392 CREATE UNIQUE INDEX /*i*/ll_from ON /*_*/langlinks (ll_from, ll_lang);
 393 CREATE INDEX /*i*/ll_lang ON /*_*/langlinks (ll_lang, ll_title);
 394
 395
 396 --
 397 -- Track inline interwiki links
 398 --
 399 CREATE TABLE /*_*/iwlinks (
 400   -- page_id of the referring page
 401   iwl_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 402
 403   -- Interwiki prefix code of the target
 404   iwl_prefix nvarchar(20) NOT NULL default '',
 405
 406   -- Title of the target, including namespace
 407   iwl_title nvarchar(255) NOT NULL default ''
 408 );
 409
 410 CREATE UNIQUE INDEX /*i*/iwl_from ON /*_*/iwlinks (iwl_from, iwl_prefix, iwl_title);
 411 CREATE INDEX /*i*/iwl_prefix_title_from ON /*_*/iwlinks (iwl_prefix, iwl_title, iwl_from);
 412 CREATE INDEX /*i*/iwl_prefix_from_title ON /*_*/iwlinks (iwl_prefix, iwl_from, iwl_title);
 413
 414
 415 --
 416 -- Contains a single row with some aggregate info
 417 -- on the state of the site.
 418 --
 419 CREATE TABLE /*_*/site_stats (
 420   -- The single row should contain 1 here.
 421   ss_row_id int NOT NULL,
 422
 423   -- Total number of page views, if hit counters are enabled.
 424   ss_total_views bigint default 0,
 425
 426   -- Total number of edits performed.
 427   ss_total_edits bigint default 0,
 428
 429   -- An approximate count of pages matching the following criteria:
 430   -- * in namespace 0
 431   -- * not a redirect
 432   -- * contains the text '[['
 433   -- See Article::isCountable() in includes/Article.php
 434   ss_good_articles bigint default 0,
 435
 436   -- Total pages, theoretically equal to SELECT COUNT(*) FROM page; except faster
 437   ss_total_pages bigint default '-1',
 438
 439   -- Number of users, theoretically equal to SELECT COUNT(*) FROM user;
 440   ss_users bigint default '-1',
 441
 442   -- Number of users that still edit
 443   ss_active_users bigint default '-1',
 444
 445   -- Number of images, equivalent to SELECT COUNT(*) FROM image
 446   ss_images int default 0
 447 );
 448
 449 -- Pointless index to assuage developer superstitions
 450 CREATE UNIQUE INDEX /*i*/ss_row_id ON /*_*/site_stats (ss_row_id);
 451
 452
 453 --
 454 -- Stores an ID for every time any article is visited;
 455 -- depending on $wgHitcounterUpdateFreq, it is
 456 -- periodically cleared and the page_counter column
 457 -- in the page table updated for all the articles
 458 -- that have been visited.)
 459 --
 460 CREATE TABLE /*_*/hitcounter (
 461   hc_id int NOT NULL
 462 );
 463
 464
 465 --
 466 -- The internet is full of jerks, alas. Sometimes it's handy
 467 -- to block a vandal or troll account.
 468 --
 469 CREATE TABLE /*_*/ipblocks (
 470   -- Primary key, introduced for privacy.
 471   ipb_id int NOT NULL PRIMARY KEY IDENTITY,
 472
 473   -- Blocked IP address in dotted-quad form or user name.
 474   ipb_address nvarchar(255) NOT NULL,
 475
 476   -- Blocked user ID or 0 for IP blocks.
 477   ipb_user int REFERENCES /*_*/mwuser(user_id),
 478
 479   -- User ID who made the block.
 480   ipb_by int REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
 481
 482   -- User name of blocker
 483   ipb_by_text nvarchar(255) NOT NULL default '',
 484
 485   -- Text comment made by blocker.
 486   ipb_reason nvarchar(255) NOT NULL,
 487
 488   -- Creation (or refresh) date in standard YMDHMS form.
 489   -- IP blocks expire automatically.
 490   ipb_timestamp varchar(14) NOT NULL default '',
 491
 492   -- Indicates that the IP address was banned because a banned
 493   -- user accessed a page through it. If this is 1, ipb_address
 494   -- will be hidden, and the block identified by block ID number.
 495   ipb_auto bit NOT NULL default 0,
 496
 497   -- If set to 1, block applies only to logged-out users
 498   ipb_anon_only bit NOT NULL default 0,
 499
 500   -- Block prevents account creation from matching IP addresses
 501   ipb_create_account bit NOT NULL default 1,
 502
 503   -- Block triggers autoblocks
 504   ipb_enable_autoblock bit NOT NULL default 1,
 505
 506   -- Time at which the block will expire.
 507   -- May be "infinity"
 508   ipb_expiry varchar(14) NOT NULL,
 509
 510   -- Start and end of an address range, in hexadecimal
 511   -- Size chosen to allow IPv6
 512   -- FIXME: these fields were originally blank for single-IP blocks,
 513   -- but now they are populated. No migration was ever done. They
 514   -- should be fixed to be blank again for such blocks (bug 49504).
 515   ipb_range_start varchar(255) NOT NULL,
 516   ipb_range_end varchar(255) NOT NULL,
 517
 518   -- Flag for entries hidden from users and Sysops
 519   ipb_deleted bit NOT NULL default 0,
 520
 521   -- Block prevents user from accessing Special:Emailuser
 522   ipb_block_email bit NOT NULL default 0,
 523
 524   -- Block allows user to edit their own talk page
 525   ipb_allow_usertalk bit NOT NULL default 0,
 526
 527   -- ID of the block that caused this block to exist
 528   -- Autoblocks set this to the original block
 529   -- so that the original block being deleted also
 530   -- deletes the autoblocks
 531   ipb_parent_block_id int default NULL REFERENCES /*_*/ipblocks(ipb_id)
 532
 533 );
 534
 535 -- Unique index to support "user already blocked" messages
 536 -- Any new options which prevent collisions should be included
 537 CREATE UNIQUE INDEX /*i*/ipb_address ON /*_*/ipblocks (ipb_address, ipb_user, ipb_auto, ipb_anon_only);
 538
 539 CREATE INDEX /*i*/ipb_user ON /*_*/ipblocks (ipb_user);
 540 CREATE INDEX /*i*/ipb_range ON /*_*/ipblocks (ipb_range_start, ipb_range_end);
 541 CREATE INDEX /*i*/ipb_timestamp ON /*_*/ipblocks (ipb_timestamp);
 542 CREATE INDEX /*i*/ipb_expiry ON /*_*/ipblocks (ipb_expiry);
 543 CREATE INDEX /*i*/ipb_parent_block_id ON /*_*/ipblocks (ipb_parent_block_id);
 544
 545
 546 --
 547 -- Uploaded images and other files.
 548 --
 549 CREATE TABLE /*_*/image (
 550   -- Filename.
 551   -- This is also the title of the associated description page,
 552   -- which will be in namespace 6 (NS_FILE).
 553   img_name varbinary(255) NOT NULL default 0x PRIMARY KEY,
 554
 555   -- File size in bytes.
 556   img_size int NOT NULL default 0,
 557
 558   -- For images, size in pixels.
 559   img_width int NOT NULL default 0,
 560   img_height int NOT NULL default 0,
 561
 562   -- Extracted Exif metadata stored as a serialized PHP array.
 563   img_metadata varbinary(max) NOT NULL,
 564
 565   -- For images, bits per pixel if known.
 566   img_bits int NOT NULL default 0,
 567
 568   -- Media type as defined by the MEDIATYPE_xxx constants
 569   img_media_type varchar(16) default null check (img_media_type in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE')),
 570
 571   -- major part of a MIME media type as defined by IANA
 572   -- see http://www.iana.org/assignments/media-types/
 573   img_major_mime varchar(16) not null default 'unknown' check (img_major_mime IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart')),
 574
 575   -- minor part of a MIME media type as defined by IANA
 576   -- the minor parts are not required to adher to any standard
 577   -- but should be consistent throughout the database
 578   -- see http://www.iana.org/assignments/media-types/
 579   img_minor_mime nvarchar(100) NOT NULL default 'unknown',
 580
 581   -- Description field as entered by the uploader.
 582   -- This is displayed in image upload history and logs.
 583   img_description nvarchar(255) NOT NULL,
 584
 585   -- user_id and user_name of uploader.
 586   img_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 587   img_user_text nvarchar(255) NOT NULL,
 588
 589   -- Time of the upload.
 590   img_timestamp nvarchar(14) NOT NULL default '',
 591
 592   -- SHA-1 content hash in base-36
 593   img_sha1 nvarchar(32) NOT NULL default ''
 594 );
 595
 596 CREATE INDEX /*i*/img_usertext_timestamp ON /*_*/image (img_user_text,img_timestamp);
 597 -- Used by Special:ListFiles for sort-by-size
 598 CREATE INDEX /*i*/img_size ON /*_*/image (img_size);
 599 -- Used by Special:Newimages and Special:ListFiles
 600 CREATE INDEX /*i*/img_timestamp ON /*_*/image (img_timestamp);
 601 -- Used in API and duplicate search
 602 CREATE INDEX /*i*/img_sha1 ON /*_*/image (img_sha1);
 603 -- Used to get media of one type
 604 CREATE INDEX /*i*/img_media_mime ON /*_*/image (img_media_type,img_major_mime,img_minor_mime);
 605
 606
 607 --
 608 -- Previous revisions of uploaded files.
 609 -- Awkwardly, image rows have to be moved into
 610 -- this table at re-upload time.
 611 --
 612 CREATE TABLE /*_*/oldimage (
 613   -- Base filename: key to image.img_name
 614   oi_name varbinary(255) NOT NULL default 0x REFERENCES /*_*/image(img_name) ON DELETE CASCADE ON UPDATE CASCADE,
 615
 616   -- Filename of the archived file.
 617   -- This is generally a timestamp and '!' prepended to the base name.
 618   oi_archive_name varbinary(255) NOT NULL default 0x,
 619
 620   -- Other fields as in image...
 621   oi_size int NOT NULL default 0,
 622   oi_width int NOT NULL default 0,
 623   oi_height int NOT NULL default 0,
 624   oi_bits int NOT NULL default 0,
 625   oi_description nvarchar(255) NOT NULL,
 626   oi_user int REFERENCES /*_*/mwuser(user_id),
 627   oi_user_text nvarchar(255) NOT NULL,
 628   oi_timestamp varchar(14) NOT NULL default '',
 629
 630   oi_metadata nvarchar(max) NOT NULL,
 631   oi_media_type varchar(16) default null check (oi_media_type IN('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE')),
 632   oi_major_mime varchar(16) not null default 'unknown' check (oi_major_mime IN('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart')),
 633   oi_minor_mime nvarchar(100) NOT NULL default 'unknown',
 634   oi_deleted tinyint NOT NULL default 0,
 635   oi_sha1 nvarchar(32) NOT NULL default ''
 636 );
 637
 638 CREATE INDEX /*i*/oi_usertext_timestamp ON /*_*/oldimage (oi_user_text,oi_timestamp);
 639 CREATE INDEX /*i*/oi_name_timestamp ON /*_*/oldimage (oi_name,oi_timestamp);
 640 -- oi_archive_name truncated to 14 to avoid key length overflow
 641 CREATE INDEX /*i*/oi_name_archive_name ON /*_*/oldimage (oi_name,oi_archive_name);
 642 CREATE INDEX /*i*/oi_sha1 ON /*_*/oldimage (oi_sha1);
 643
 644
 645 --
 646 -- Record of deleted file data
 647 --
 648 CREATE TABLE /*_*/filearchive (
 649   -- Unique row id
 650   fa_id int NOT NULL PRIMARY KEY IDENTITY,
 651
 652   -- Original base filename; key to image.img_name, page.page_title, etc
 653   fa_name nvarchar(255) NOT NULL default '',
 654
 655   -- Filename of archived file, if an old revision
 656   fa_archive_name nvarchar(255) default '',
 657
 658   -- Which storage bin (directory tree or object store) the file data
 659   -- is stored in. Should be 'deleted' for files that have been deleted;
 660   -- any other bin is not yet in use.
 661   fa_storage_group nvarchar(16),
 662
 663   -- SHA-1 of the file contents plus extension, used as a key for storage.
 664   -- eg 8f8a562add37052a1848ff7771a2c515db94baa9.jpg
 665   --
 666   -- If NULL, the file was missing at deletion time or has been purged
 667   -- from the archival storage.
 668   fa_storage_key nvarchar(64) default '',
 669
 670   -- Deletion information, if this file is deleted.
 671   fa_deleted_user int,
 672   fa_deleted_timestamp varchar(14) default '',
 673   fa_deleted_reason nvarchar(max),
 674
 675   -- Duped fields from image
 676   fa_size int default 0,
 677   fa_width int default 0,
 678   fa_height int default 0,
 679   fa_metadata nvarchar(max),
 680   fa_bits int default 0,
 681   fa_media_type varchar(16) default null check (fa_media_type in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE')),
 682   fa_major_mime varchar(16) not null default 'unknown' check (fa_major_mime in('unknown', 'application', 'audio', 'image', 'text', 'video', 'message', 'model', 'multipart')),
 683   fa_minor_mime nvarchar(100) default 'unknown',
 684   fa_description nvarchar(255),
 685   fa_user int default 0 REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 686   fa_user_text nvarchar(255),
 687   fa_timestamp varchar(14) default '',
 688
 689   -- Visibility of deleted revisions, bitfield
 690   fa_deleted tinyint NOT NULL default 0,
 691
 692   -- sha1 hash of file content
 693   fa_sha1 nvarchar(32) NOT NULL default ''
 694 );
 695
 696 -- pick out by image name
 697 CREATE INDEX /*i*/fa_name ON /*_*/filearchive (fa_name, fa_timestamp);
 698 -- pick out dupe files
 699 CREATE INDEX /*i*/fa_storage_group ON /*_*/filearchive (fa_storage_group, fa_storage_key);
 700 -- sort by deletion time
 701 CREATE INDEX /*i*/fa_deleted_timestamp ON /*_*/filearchive (fa_deleted_timestamp);
 702 -- sort by uploader
 703 CREATE INDEX /*i*/fa_user_timestamp ON /*_*/filearchive (fa_user_text,fa_timestamp);
 704 -- find file by sha1, 10 bytes will be enough for hashes to be indexed
 705 CREATE INDEX /*i*/fa_sha1 ON /*_*/filearchive (fa_sha1);
 706
 707
 708 --
 709 -- Store information about newly uploaded files before they're
 710 -- moved into the actual filestore
 711 --
 712 CREATE TABLE /*_*/uploadstash (
 713   us_id int NOT NULL PRIMARY KEY IDENTITY,
 714
 715   -- the user who uploaded the file.
 716   us_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 717
 718   -- file key. this is how applications actually search for the file.
 719   -- this might go away, or become the primary key.
 720   us_key nvarchar(255) NOT NULL,
 721
 722   -- the original path
 723   us_orig_path nvarchar(255) NOT NULL,
 724
 725   -- the temporary path at which the file is actually stored
 726   us_path nvarchar(255) NOT NULL,
 727
 728   -- which type of upload the file came from (sometimes)
 729   us_source_type nvarchar(50),
 730
 731   -- the date/time on which the file was added
 732   us_timestamp varchar(14) NOT NULL,
 733
 734   us_status nvarchar(50) NOT NULL,
 735
 736   -- chunk counter starts at 0, current offset is stored in us_size
 737   us_chunk_inx int NULL,
 738
 739   -- Serialized file properties from File::getPropsFromPath
 740   us_props nvarchar(max),
 741
 742   -- file size in bytes
 743   us_size int NOT NULL,
 744   -- this hash comes from File::sha1Base36(), and is 31 characters
 745   us_sha1 nvarchar(31) NOT NULL,
 746   us_mime nvarchar(255),
 747   -- Media type as defined by the MEDIATYPE_xxx constants, should duplicate definition in the image table
 748   us_media_type varchar(16) default null check (us_media_type in('UNKNOWN', 'BITMAP', 'DRAWING', 'AUDIO', 'VIDEO', 'MULTIMEDIA', 'OFFICE', 'TEXT', 'EXECUTABLE', 'ARCHIVE')),
 749   -- image-specific properties
 750   us_image_width int,
 751   us_image_height int,
 752   us_image_bits smallint
 753
 754 );
 755
 756 -- sometimes there's a delete for all of a user's stuff.
 757 CREATE INDEX /*i*/us_user ON /*_*/uploadstash (us_user);
 758 -- pick out files by key, enforce key uniqueness
 759 CREATE UNIQUE INDEX /*i*/us_key ON /*_*/uploadstash (us_key);
 760 -- the abandoned upload cleanup script needs this
 761 CREATE INDEX /*i*/us_timestamp ON /*_*/uploadstash (us_timestamp);
 762
 763
 764 --
 765 -- Primarily a summary table for Special:Recentchanges,
 766 -- this table contains some additional info on edits from
 767 -- the last few days, see Article::editUpdates()
 768 --
 769 CREATE TABLE /*_*/recentchanges (
 770   rc_id int NOT NULL PRIMARY KEY IDENTITY,
 771   rc_timestamp varchar(14) not null default '',
 772
 773   -- This is no longer used
 774   -- Field kept in database for downgrades
 775   -- @todo: add drop patch with 1.24
 776   rc_cur_time varchar(14) NOT NULL default '',
 777
 778   -- As in revision
 779   rc_user int NOT NULL default 0 REFERENCES /*_*/mwuser(user_id),
 780   rc_user_text nvarchar(255) NOT NULL,
 781
 782   -- When pages are renamed, their RC entries do _not_ change.
 783   rc_namespace int NOT NULL default 0,
 784   rc_title nvarchar(255) NOT NULL default '',
 785
 786   -- as in revision...
 787   rc_comment nvarchar(255) NOT NULL default '',
 788   rc_minor bit NOT NULL default 0,
 789
 790   -- Edits by user accounts with the 'bot' rights key are
 791   -- marked with a 1 here, and will be hidden from the
 792   -- default view.
 793   rc_bot bit NOT NULL default 0,
 794
 795   -- Set if this change corresponds to a page creation
 796   rc_new bit NOT NULL default 0,
 797
 798   -- Key to page_id (was cur_id prior to 1.5).
 799   -- This will keep links working after moves while
 800   -- retaining the at-the-time name in the changes list.
 801   rc_cur_id int REFERENCES /*_*/page(page_id),
 802
 803   -- rev_id of the given revision
 804   rc_this_oldid int REFERENCES /*_*/revision(rev_id),
 805
 806   -- rev_id of the prior revision, for generating diff links.
 807   rc_last_oldid int REFERENCES /*_*/revision(rev_id),
 808
 809   -- The type of change entry (RC_EDIT,RC_NEW,RC_LOG,RC_EXTERNAL)
 810   rc_type tinyint NOT NULL default 0,
 811
 812   -- The source of the change entry (replaces rc_type)
 813   -- default of '' is temporary, needed for initial migration
 814   rc_source nvarchar(16) not null default '',
 815
 816   -- If the Recent Changes Patrol option is enabled,
 817   -- users may mark edits as having been reviewed to
 818   -- remove a warning flag on the RC list.
 819   -- A value of 1 indicates the page has been reviewed.
 820   rc_patrolled bit NOT NULL default 0,
 821
 822   -- Recorded IP address the edit was made from, if the
 823   -- $wgPutIPinRC option is enabled.
 824   rc_ip nvarchar(40) NOT NULL default '',
 825
 826   -- Text length in characters before
 827   -- and after the edit
 828   rc_old_len int,
 829   rc_new_len int,
 830
 831   -- Visibility of recent changes items, bitfield
 832   rc_deleted tinyint NOT NULL default 0,
 833
 834   -- Value corresponding to log_id, specific log entries
 835   rc_logid int, -- FK added later
 836   -- Store log type info here, or null
 837   rc_log_type nvarchar(255) NULL default NULL,
 838   -- Store log action or null
 839   rc_log_action nvarchar(255) NULL default NULL,
 840   -- Log params
 841   rc_params nvarchar(max) NULL
 842 );
 843
 844 CREATE INDEX /*i*/rc_timestamp ON /*_*/recentchanges (rc_timestamp);
 845 CREATE INDEX /*i*/rc_namespace_title ON /*_*/recentchanges (rc_namespace, rc_title);
 846 CREATE INDEX /*i*/rc_cur_id ON /*_*/recentchanges (rc_cur_id);
 847 CREATE INDEX /*i*/new_name_timestamp ON /*_*/recentchanges (rc_new,rc_namespace,rc_timestamp);
 848 CREATE INDEX /*i*/rc_ip ON /*_*/recentchanges (rc_ip);
 849 CREATE INDEX /*i*/rc_ns_usertext ON /*_*/recentchanges (rc_namespace, rc_user_text);
 850 CREATE INDEX /*i*/rc_user_text ON /*_*/recentchanges (rc_user_text, rc_timestamp);
 851
 852
 853 CREATE TABLE /*_*/watchlist (
 854   -- Key to user.user_id
 855   wl_user int NOT NULL REFERENCES /*_*/mwuser(user_id) ON DELETE CASCADE,
 856
 857   -- Key to page_namespace/page_title
 858   -- Note that users may watch pages which do not exist yet,
 859   -- or existed in the past but have been deleted.
 860   wl_namespace int NOT NULL default 0,
 861   wl_title nvarchar(255) NOT NULL default '',
 862
 863   -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
 864   -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
 865   -- of the page, which means that they should be sent an e-mail on the next change.
 866   wl_notificationtimestamp varchar(14)
 867
 868 );
 869
 870 CREATE UNIQUE INDEX /*i*/wl_user ON /*_*/watchlist (wl_user, wl_namespace, wl_title);
 871 CREATE INDEX /*i*/namespace_title ON /*_*/watchlist (wl_namespace, wl_title);
 872
 873
 874 --
 875 -- Our search index for the builtin MediaWiki search
 876 --
 877 CREATE TABLE /*_*/searchindex (
 878   -- Key to page_id
 879   si_page int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
 880
 881   -- Munged version of title
 882   si_title nvarchar(255) NOT NULL default '',
 883
 884   -- Munged version of body text
 885   si_text nvarchar(max) NOT NULL
 886 );
 887
 888 CREATE UNIQUE INDEX /*i*/si_page ON /*_*/searchindex (si_page);
 889 -- Fulltext index is defined in MssqlInstaller.php
 890
 891 --
 892 -- Recognized interwiki link prefixes
 893 --
 894 CREATE TABLE /*_*/interwiki (
 895   -- The interwiki prefix, (e.g. "Meatball", or the language prefix "de")
 896   iw_prefix nvarchar(32) NOT NULL,
 897
 898   -- The URL of the wiki, with "$1" as a placeholder for an article name.
 899   -- Any spaces in the name will be transformed to underscores before
 900   -- insertion.
 901   iw_url nvarchar(max) NOT NULL,
 902
 903   -- The URL of the file api.php
 904   iw_api nvarchar(max) NOT NULL,
 905
 906   -- The name of the database (for a connection to be established with wfGetLB( 'wikiid' ))
 907   iw_wikiid nvarchar(64) NOT NULL,
 908
 909   -- A boolean value indicating whether the wiki is in this project
 910   -- (used, for example, to detect redirect loops)
 911   iw_local bit NOT NULL,
 912
 913   -- Boolean value indicating whether interwiki transclusions are allowed.
 914   iw_trans bit NOT NULL default 0
 915 );
 916
 917 CREATE UNIQUE INDEX /*i*/iw_prefix ON /*_*/interwiki (iw_prefix);
 918
 919
 920 --
 921 -- Used for caching expensive grouped queries
 922 --
 923 CREATE TABLE /*_*/querycache (
 924   -- A key name, generally the base name of of the special page.
 925   qc_type nvarchar(32) NOT NULL,
 926
 927   -- Some sort of stored value. Sizes, counts...
 928   qc_value int NOT NULL default 0,
 929
 930   -- Target namespace+title
 931   qc_namespace int NOT NULL default 0,
 932   qc_title nvarchar(255) NOT NULL default ''
 933 );
 934
 935 CREATE INDEX /*i*/qc_type ON /*_*/querycache (qc_type,qc_value);
 936
 937
 938 --
 939 -- For a few generic cache operations if not using Memcached
 940 --
 941 CREATE TABLE /*_*/objectcache (
 942   keyname nvarchar(255) NOT NULL default '' PRIMARY KEY,
 943   value varbinary(max),
 944   exptime varchar(14)
 945 );
 946 CREATE INDEX /*i*/exptime ON /*_*/objectcache (exptime);
 947
 948
 949 --
 950 -- Cache of interwiki transclusion
 951 --
 952 CREATE TABLE /*_*/transcache (
 953   tc_url nvarchar(255) NOT NULL,
 954   tc_contents nvarchar(max),
 955   tc_time varchar(14) NOT NULL
 956 );
 957
 958 CREATE UNIQUE INDEX /*i*/tc_url_idx ON /*_*/transcache (tc_url);
 959
 960
 961 CREATE TABLE /*_*/logging (
 962   -- Log ID, for referring to this specific log entry, probably for deletion and such.
 963   log_id int NOT NULL PRIMARY KEY IDENTITY(0,1),
 964
 965   -- Symbolic keys for the general log type and the action type
 966   -- within the log. The output format will be controlled by the
 967   -- action field, but only the type controls categorization.
 968   log_type nvarchar(32) NOT NULL default '',
 969   log_action nvarchar(32) NOT NULL default '',
 970
 971   -- Timestamp. Duh.
 972   log_timestamp varchar(14) NOT NULL default '',
 973
 974   -- The user who performed this action; key to user_id
 975   log_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
 976
 977   -- Name of the user who performed this action
 978   log_user_text nvarchar(255) NOT NULL default '',
 979
 980   -- Key to the page affected. Where a user is the target,
 981   -- this will point to the user page.
 982   log_namespace int NOT NULL default 0,
 983   log_title nvarchar(255) NOT NULL default '',
 984   log_page int NULL REFERENCES /*_*/page(page_id) ON DELETE SET NULL,
 985
 986   -- Freeform text. Interpreted as edit history comments.
 987   log_comment nvarchar(255) NOT NULL default '',
 988
 989   -- miscellaneous parameters:
 990   -- LF separated list (old system) or serialized PHP array (new system)
 991   log_params nvarchar(max) NOT NULL,
 992
 993   -- rev_deleted for logs
 994   log_deleted tinyint NOT NULL default 0
 995 );
 996
 997 CREATE INDEX /*i*/type_time ON /*_*/logging (log_type, log_timestamp);
 998 CREATE INDEX /*i*/user_time ON /*_*/logging (log_user, log_timestamp);
 999 CREATE INDEX /*i*/page_time ON /*_*/logging (log_namespace, log_title, log_timestamp);
1000 CREATE INDEX /*i*/times ON /*_*/logging (log_timestamp);
1001 CREATE INDEX /*i*/log_user_type_time ON /*_*/logging (log_user, log_type, log_timestamp);
1002 CREATE INDEX /*i*/log_page_id_time ON /*_*/logging (log_page,log_timestamp);
1003 CREATE INDEX /*i*/type_action ON /*_*/logging (log_type, log_action, log_timestamp);
1004 CREATE INDEX /*i*/log_user_text_type_time ON /*_*/logging (log_user_text, log_type, log_timestamp);
1005 CREATE INDEX /*i*/log_user_text_time ON /*_*/logging (log_user_text, log_timestamp);
1006
1007 INSERT INTO /*_*/logging (log_user,log_page,log_params) VALUES(0,0,'');
1008
1009 ALTER TABLE /*_*/recentchanges ADD CONSTRAINT FK_rc_logid_log_id FOREIGN KEY (rc_logid) REFERENCES /*_*/logging(log_id) ON DELETE CASCADE;
1010
1011 CREATE TABLE /*_*/log_search (
1012   -- The type of ID (rev ID, log ID, rev timestamp, username)
1013   ls_field nvarchar(32) NOT NULL,
1014   -- The value of the ID
1015   ls_value nvarchar(255) NOT NULL,
1016   -- Key to log_id
1017   ls_log_id int REFERENCES /*_*/logging(log_id) ON DELETE CASCADE
1018 );
1019 CREATE UNIQUE INDEX /*i*/ls_field_val ON /*_*/log_search (ls_field,ls_value,ls_log_id);
1020 CREATE INDEX /*i*/ls_log_id ON /*_*/log_search (ls_log_id);
1021
1022
1023 -- Jobs performed by parallel apache threads or a command-line daemon
1024 CREATE TABLE /*_*/job (
1025   job_id int NOT NULL PRIMARY KEY IDENTITY,
1026
1027   -- Command name
1028   -- Limited to 60 to prevent key length overflow
1029   job_cmd nvarchar(60) NOT NULL default '',
1030
1031   -- Namespace and title to act on
1032   -- Should be 0 and '' if the command does not operate on a title
1033   job_namespace int NOT NULL,
1034   job_title nvarchar(255) NOT NULL,
1035
1036   -- Timestamp of when the job was inserted
1037   -- NULL for jobs added before addition of the timestamp
1038   job_timestamp nvarchar(14) NULL default NULL,
1039
1040   -- Any other parameters to the command
1041   -- Stored as a PHP serialized array, or an empty string if there are no parameters
1042   job_params nvarchar(max) NOT NULL,
1043
1044   -- Random, non-unique, number used for job acquisition (for lock concurrency)
1045   job_random int NOT NULL default 0,
1046
1047   -- The number of times this job has been locked
1048   job_attempts int NOT NULL default 0,
1049
1050   -- Field that conveys process locks on rows via process UUIDs
1051   job_token nvarchar(32) NOT NULL default '',
1052
1053   -- Timestamp when the job was locked
1054   job_token_timestamp varchar(14) NULL default NULL,
1055
1056   -- Base 36 SHA1 of the job parameters relevant to detecting duplicates
1057   job_sha1 nvarchar(32) NOT NULL default ''
1058 );
1059
1060 CREATE INDEX /*i*/job_sha1 ON /*_*/job (job_sha1);
1061 CREATE INDEX /*i*/job_cmd_token ON /*_*/job (job_cmd,job_token,job_random);
1062 CREATE INDEX /*i*/job_cmd_token_id ON /*_*/job (job_cmd,job_token,job_id);
1063 CREATE INDEX /*i*/job_cmd ON /*_*/job (job_cmd, job_namespace, job_title);
1064 CREATE INDEX /*i*/job_timestamp ON /*_*/job (job_timestamp);
1065
1066
1067 -- Details of updates to cached special pages
1068 CREATE TABLE /*_*/querycache_info (
1069   -- Special page name
1070   -- Corresponds to a qc_type value
1071   qci_type nvarchar(32) NOT NULL default '',
1072
1073   -- Timestamp of last update
1074   qci_timestamp varchar(14) NOT NULL default ''
1075 );
1076
1077 CREATE UNIQUE INDEX /*i*/qci_type ON /*_*/querycache_info (qci_type);
1078
1079
1080 -- For each redirect, this table contains exactly one row defining its target
1081 CREATE TABLE /*_*/redirect (
1082   -- Key to the page_id of the redirect page
1083   rd_from int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
1084
1085   -- Key to page_namespace/page_title of the target page.
1086   -- The target page may or may not exist, and due to renames
1087   -- and deletions may refer to different page records as time
1088   -- goes by.
1089   rd_namespace int NOT NULL default 0,
1090   rd_title nvarchar(255) NOT NULL default '',
1091   rd_interwiki nvarchar(32) default NULL,
1092   rd_fragment nvarchar(255) default NULL
1093 );
1094
1095 CREATE INDEX /*i*/rd_ns_title ON /*_*/redirect (rd_namespace,rd_title,rd_from);
1096
1097
1098 -- Used for caching expensive grouped queries that need two links (for example double-redirects)
1099 CREATE TABLE /*_*/querycachetwo (
1100   -- A key name, generally the base name of of the special page.
1101   qcc_type nvarchar(32) NOT NULL,
1102
1103   -- Some sort of stored value. Sizes, counts...
1104   qcc_value int NOT NULL default 0,
1105
1106   -- Target namespace+title
1107   qcc_namespace int NOT NULL default 0,
1108   qcc_title nvarchar(255) NOT NULL default '',
1109
1110   -- Target namespace+title2
1111   qcc_namespacetwo int NOT NULL default 0,
1112   qcc_titletwo nvarchar(255) NOT NULL default ''
1113 );
1114
1115 CREATE INDEX /*i*/qcc_type ON /*_*/querycachetwo (qcc_type,qcc_value);
1116 CREATE INDEX /*i*/qcc_title ON /*_*/querycachetwo (qcc_type,qcc_namespace,qcc_title);
1117 CREATE INDEX /*i*/qcc_titletwo ON /*_*/querycachetwo (qcc_type,qcc_namespacetwo,qcc_titletwo);
1118
1119
1120 -- Used for storing page restrictions (i.e. protection levels)
1121 CREATE TABLE /*_*/page_restrictions (
1122   -- Field for an ID for this restrictions row (sort-key for Special:ProtectedPages)
1123   pr_id int NOT NULL PRIMARY KEY IDENTITY,
1124   -- Page to apply restrictions to (Foreign Key to page).
1125   pr_page int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
1126   -- The protection type (edit, move, etc)
1127   pr_type nvarchar(60) NOT NULL,
1128   -- The protection level (Sysop, autoconfirmed, etc)
1129   pr_level nvarchar(60) NOT NULL,
1130   -- Whether or not to cascade the protection down to pages transcluded.
1131   pr_cascade bit NOT NULL,
1132   -- Field for future support of per-user restriction.
1133   pr_user int NULL,
1134   -- Field for time-limited protection.
1135   pr_expiry varchar(14) NULL
1136 );
1137
1138 CREATE UNIQUE INDEX /*i*/pr_pagetype ON /*_*/page_restrictions (pr_page,pr_type);
1139 CREATE INDEX /*i*/pr_typelevel ON /*_*/page_restrictions (pr_type,pr_level);
1140 CREATE INDEX /*i*/pr_level ON /*_*/page_restrictions (pr_level);
1141 CREATE INDEX /*i*/pr_cascade ON /*_*/page_restrictions (pr_cascade);
1142
1143
1144 -- Protected titles - nonexistent pages that have been protected
1145 CREATE TABLE /*_*/protected_titles (
1146   pt_namespace int NOT NULL,
1147   pt_title nvarchar(255) NOT NULL,
1148   pt_user int REFERENCES /*_*/mwuser(user_id) ON DELETE SET NULL,
1149   pt_reason nvarchar(255),
1150   pt_timestamp varchar(14) NOT NULL,
1151   pt_expiry varchar(14) NOT NULL,
1152   pt_create_perm nvarchar(60) NOT NULL
1153 );
1154
1155 CREATE UNIQUE INDEX /*i*/pt_namespace_title ON /*_*/protected_titles (pt_namespace,pt_title);
1156 CREATE INDEX /*i*/pt_timestamp ON /*_*/protected_titles (pt_timestamp);
1157
1158
1159 -- Name/value pairs indexed by page_id
1160 CREATE TABLE /*_*/page_props (
1161   pp_page int NOT NULL REFERENCES /*_*/page(page_id) ON DELETE CASCADE,
1162   pp_propname nvarchar(60) NOT NULL,
1163   pp_value nvarchar(max) NOT NULL
1164 );
1165
1166 CREATE UNIQUE INDEX /*i*/pp_page_propname ON /*_*/page_props (pp_page,pp_propname);
1167 CREATE UNIQUE INDEX /*i*/pp_propname_page ON /*_*/page_props (pp_propname,pp_page);
1168
1169
1170 -- A table to log updates, one text key row per update.
1171 CREATE TABLE /*_*/updatelog (
1172   ul_key nvarchar(255) NOT NULL PRIMARY KEY,
1173   ul_value nvarchar(max)
1174 );
1175
1176
1177 -- A table to track tags for revisions, logs and recent changes.
1178 CREATE TABLE /*_*/change_tag (
1179   -- RCID for the change
1180   ct_rc_id int NULL REFERENCES /*_*/recentchanges(rc_id),
1181   -- LOGID for the change
1182   ct_log_id int NULL REFERENCES /*_*/logging(log_id),
1183   -- REVID for the change
1184   ct_rev_id int NULL REFERENCES /*_*/revision(rev_id),
1185   -- Tag applied
1186   ct_tag nvarchar(255) NOT NULL,
1187   -- Parameters for the tag, presently unused
1188   ct_params nvarchar(max) NULL
1189 );
1190
1191 CREATE UNIQUE INDEX /*i*/change_tag_rc_tag ON /*_*/change_tag (ct_rc_id,ct_tag);
1192 CREATE UNIQUE INDEX /*i*/change_tag_log_tag ON /*_*/change_tag (ct_log_id,ct_tag);
1193 CREATE UNIQUE INDEX /*i*/change_tag_rev_tag ON /*_*/change_tag (ct_rev_id,ct_tag);
1194 -- Covering index, so we can pull all the info only out of the index.
1195 CREATE INDEX /*i*/change_tag_tag_id ON /*_*/change_tag (ct_tag,ct_rc_id,ct_rev_id,ct_log_id);
1196
1197
1198 -- Rollup table to pull a LIST of tags simply without ugly GROUP_CONCAT
1199 -- that only works on MySQL 4.1+
1200 CREATE TABLE /*_*/tag_summary (
1201   -- RCID for the change
1202   ts_rc_id int NULL REFERENCES /*_*/recentchanges(rc_id),
1203   -- LOGID for the change
1204   ts_log_id int NULL REFERENCES /*_*/logging(log_id),
1205   -- REVID for the change
1206   ts_rev_id int NULL REFERENCES /*_*/revision(rev_id),
1207   -- Comma-separated list of tags
1208   ts_tags nvarchar(max) NOT NULL
1209 );
1210
1211 CREATE UNIQUE INDEX /*i*/tag_summary_rc_id ON /*_*/tag_summary (ts_rc_id);
1212 CREATE UNIQUE INDEX /*i*/tag_summary_log_id ON /*_*/tag_summary (ts_log_id);
1213 CREATE UNIQUE INDEX /*i*/tag_summary_rev_id ON /*_*/tag_summary (ts_rev_id);
1214
1215
1216 CREATE TABLE /*_*/valid_tag (
1217   vt_tag nvarchar(255) NOT NULL PRIMARY KEY
1218 );
1219
1220 -- Table for storing localisation data
1221 CREATE TABLE /*_*/l10n_cache (
1222   -- Language code
1223   lc_lang nvarchar(32) NOT NULL,
1224   -- Cache key
1225   lc_key nvarchar(255) NOT NULL,
1226   -- Value
1227   lc_value varbinary(max) NOT NULL
1228 );
1229 CREATE INDEX /*i*/lc_lang_key ON /*_*/l10n_cache (lc_lang, lc_key);
1230
1231 -- Table for caching JSON message texts for the resource loader
1232 CREATE TABLE /*_*/msg_resource (
1233   -- Resource name
1234   mr_resource nvarchar(255) NOT NULL,
1235   -- Language code
1236   mr_lang nvarchar(32) NOT NULL,
1237   -- JSON blob
1238   mr_blob varbinary(max) NOT NULL,
1239   -- Timestamp of last update
1240   mr_timestamp varchar(14) NOT NULL
1241 );
1242 CREATE UNIQUE INDEX /*i*/mr_resource_lang ON /*_*/msg_resource (mr_resource, mr_lang);
1243
1244 -- Table for administering which message is contained in which resource
1245 CREATE TABLE /*_*/msg_resource_links (
1246   mrl_resource varbinary(255) NOT NULL,
1247   -- Message key
1248   mrl_message varbinary(255) NOT NULL
1249 );
1250 CREATE UNIQUE INDEX /*i*/mrl_message_resource ON /*_*/msg_resource_links (mrl_message, mrl_resource);
1251
1252 -- Table caching which local files a module depends on that aren't
1253 -- registered directly, used for fast retrieval of file dependency.
1254 -- Currently only used for tracking images that CSS depends on
1255 CREATE TABLE /*_*/module_deps (
1256   -- Module name
1257   md_module nvarchar(255) NOT NULL,
1258   -- Skin name
1259   md_skin nvarchar(32) NOT NULL,
1260   -- JSON nvarchar(max) with file dependencies
1261   md_deps nvarchar(max) NOT NULL
1262 );
1263 CREATE UNIQUE INDEX /*i*/md_module_skin ON /*_*/module_deps (md_module, md_skin);
1264
1265 -- Holds all the sites known to the wiki.
1266 CREATE TABLE /*_*/sites (
1267   -- Numeric id of the site
1268   site_id                    int        NOT NULL PRIMARY KEY IDENTITY,
1269
1270   -- Global identifier for the site, ie 'enwiktionary'
1271   site_global_key            nvarchar(32)       NOT NULL,
1272
1273   -- Type of the site, ie 'mediawiki'
1274   site_type                  nvarchar(32)       NOT NULL,
1275
1276   -- Group of the site, ie 'wikipedia'
1277   site_group                 nvarchar(32)       NOT NULL,
1278
1279   -- Source of the site data, ie 'local', 'wikidata', 'my-magical-repo'
1280   site_source                nvarchar(32)       NOT NULL,
1281
1282   -- Language code of the sites primary language.
1283   site_language              nvarchar(32)       NOT NULL,
1284
1285   -- Protocol of the site, ie 'http://', 'irc://', '//'
1286   -- This field is an index for lookups and is build from type specific data in site_data.
1287   site_protocol              nvarchar(32)       NOT NULL,
1288
1289   -- Domain of the site in reverse order, ie 'org.mediawiki.www.'
1290   -- This field is an index for lookups and is build from type specific data in site_data.
1291   site_domain                NVARCHAR(255)        NOT NULL,
1292
1293   -- Type dependent site data.
1294   site_data                  nvarchar(max)                NOT NULL,
1295
1296   -- If site.tld/path/key:pageTitle should forward users to  the page on
1297   -- the actual site, where "key" is the local identifier.
1298   site_forward              bit                NOT NULL,
1299
1300   -- Type dependent site config.
1301   -- For instance if template transclusion should be allowed if it's a MediaWiki.
1302   site_config               nvarchar(max)                NOT NULL
1303 );
1304
1305 CREATE UNIQUE INDEX /*i*/sites_global_key ON /*_*/sites (site_global_key);
1306 CREATE INDEX /*i*/sites_type ON /*_*/sites (site_type);
1307 CREATE INDEX /*i*/sites_group ON /*_*/sites (site_group);
1308 CREATE INDEX /*i*/sites_source ON /*_*/sites (site_source);
1309 CREATE INDEX /*i*/sites_language ON /*_*/sites (site_language);
1310 CREATE INDEX /*i*/sites_protocol ON /*_*/sites (site_protocol);
1311 CREATE INDEX /*i*/sites_domain ON /*_*/sites (site_domain);
1312 CREATE INDEX /*i*/sites_forward ON /*_*/sites (site_forward);
1313
1314 -- Links local site identifiers to their corresponding site.
1315 CREATE TABLE /*_*/site_identifiers (
1316   -- Key on site.site_id
1317   si_site                    int        NOT NULL REFERENCES /*_*/sites(site_id) ON DELETE CASCADE,
1318
1319   -- local key type, ie 'interwiki' or 'langlink'
1320   si_type                    nvarchar(32)       NOT NULL,
1321
1322   -- local key value, ie 'en' or 'wiktionary'
1323   si_key                     nvarchar(32)       NOT NULL
1324 );
1325
1326 CREATE UNIQUE INDEX /*i*/site_ids_type ON /*_*/site_identifiers (si_type, si_key);
1327 CREATE INDEX /*i*/site_ids_site ON /*_*/site_identifiers (si_site);
1328 CREATE INDEX /*i*/site_ids_key ON /*_*/site_identifiers (si_key);