maintenance/postgres/tables.sql

   1 -- SQL to create the initial tables for the MediaWiki database.
   2 -- This is read and executed by the install script; you should
   3 -- not have to run it by itself unless doing a manual install.
   4 -- This is the PostgreSQL version.
   5 -- For information about each table, please see the notes in maintenance/tables.sql
   6 -- Please make sure all dollar-quoting uses $mw$ at the start of the line
   7 -- We can't use SERIAL everywhere: the sequence names are hard-coded into the PHP
   8 -- TODO: Change CHAR to BOOL
   9
  10 BEGIN;
  11 SET client_min_messages = 'ERROR';
  12
  13 CREATE SEQUENCE user_user_id_seq MINVALUE 0 START WITH 0;
  14 CREATE TABLE "user" (
  15   user_id                   INTEGER  NOT NULL  PRIMARY KEY DEFAULT nextval('user_user_id_seq'),
  16   user_name                 TEXT     NOT NULL  UNIQUE,
  17   user_real_name            TEXT,
  18   user_password             TEXT,
  19   user_newpassword          TEXT,
  20   user_token                CHAR(32),
  21   user_email                TEXT,
  22   user_email_token          CHAR(32),
  23   user_email_token_expires  TIMESTAMPTZ,
  24   user_email_authenticated  TIMESTAMPTZ,
  25   user_options              TEXT,
  26   user_touched              TIMESTAMPTZ,
  27   user_registration         TIMESTAMPTZ
  28 );
  29 CREATE INDEX user_email_token_idx ON "user" (user_email_token);
  30
  31 -- Create a dummy user to satisfy fk contraints especially with revisions
  32 INSERT INTO "user"
  33   VALUES (DEFAULT,'Anonymous','',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,now(),now());
  34
  35 CREATE TABLE user_groups (
  36   ug_user   INTEGER      NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
  37   ug_group  TEXT     NOT NULL
  38 );
  39 CREATE UNIQUE INDEX user_groups_unique ON user_groups (ug_user, ug_group);
  40
  41 CREATE TABLE user_newtalk (
  42   user_id  INTEGER NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
  43   user_ip  CIDR        NULL
  44 );
  45 CREATE INDEX user_newtalk_id_idx ON user_newtalk (user_id);
  46 CREATE INDEX user_newtalk_ip_idx ON user_newtalk (user_ip);
  47
  48
  49 CREATE SEQUENCE page_page_id_seq;
  50 CREATE TABLE page (
  51   page_id            INTEGER        NOT NULL  PRIMARY KEY DEFAULT nextval('page_page_id_seq'),
  52   page_namespace     SMALLINT       NOT NULL,
  53   page_title         TEXT           NOT NULL,
  54   page_restrictions  TEXT,
  55   page_counter       BIGINT         NOT NULL  DEFAULT 0,
  56   page_is_redirect   CHAR           NOT NULL  DEFAULT 0,
  57   page_is_new        CHAR           NOT NULL  DEFAULT 0,
  58   page_random        NUMERIC(15,14) NOT NULL  DEFAULT RANDOM(),
  59   page_touched       TIMESTAMPTZ,
  60   page_latest        INTEGER        NOT NULL, -- FK?
  61   page_len           INTEGER        NOT NULL
  62 );
  63 CREATE UNIQUE INDEX page_unique_name ON page (page_namespace, page_title);
  64 CREATE INDEX page_main_title         ON page (page_title) WHERE page_namespace = 0;
  65 CREATE INDEX page_talk_title         ON page (page_title) WHERE page_namespace = 1;
  66 CREATE INDEX page_user_title         ON page (page_title) WHERE page_namespace = 2;
  67 CREATE INDEX page_utalk_title        ON page (page_title) WHERE page_namespace = 3;
  68 CREATE INDEX page_project_title      ON page (page_title) WHERE page_namespace = 4;
  69 CREATE INDEX page_random_idx         ON page (page_random);
  70 CREATE INDEX page_len_idx            ON page (page_len);
  71
  72 CREATE FUNCTION page_deleted() RETURNS TRIGGER LANGUAGE plpgsql AS
  73 $mw$
  74 BEGIN
  75 DELETE FROM recentchanges WHERE rc_namespace = OLD.page_namespace AND rc_title = OLD.page_title;
  76 RETURN NULL;
  77 END;
  78 $mw$;
  79
  80 CREATE TRIGGER page_deleted AFTER DELETE ON page
  81   FOR EACH ROW EXECUTE PROCEDURE page_deleted();
  82
  83 CREATE SEQUENCE rev_rev_id_val;
  84 CREATE TABLE revision (
  85   rev_id          INTEGER      NOT NULL  UNIQUE DEFAULT nextval('rev_rev_id_val'),
  86   rev_page        INTEGER          NULL  REFERENCES page (page_id) ON DELETE CASCADE,
  87   rev_text_id     INTEGER          NULL, -- FK
  88   rev_comment     TEXT,
  89   rev_user        INTEGER      NOT NULL  REFERENCES "user"(user_id),
  90   rev_user_text   TEXT         NOT NULL,
  91   rev_timestamp   TIMESTAMPTZ  NOT NULL,
  92   rev_minor_edit  CHAR         NOT NULL  DEFAULT '0',
  93   rev_deleted     CHAR         NOT NULL  DEFAULT '0'
  94 );
  95 CREATE UNIQUE INDEX revision_unique ON revision (rev_page, rev_id);
  96 CREATE INDEX rev_timestamp_idx      ON revision (rev_timestamp);
  97 CREATE INDEX rev_user_idx           ON revision (rev_user);
  98 CREATE INDEX rev_user_text_idx      ON revision (rev_user_text);
  99
 100
 101 CREATE SEQUENCE text_old_id_val;
 102 CREATE TABLE "text" (
 103   old_id     INTEGER  NOT NULL  PRIMARY KEY DEFAULT nextval('text_old_id_val'),
 104   old_text   TEXT,
 105   old_flags  TEXT
 106 );
 107
 108
 109 CREATE TABLE archive2 (
 110   ar_namespace   SMALLINT     NOT NULL,
 111   ar_title       TEXT         NOT NULL,
 112   ar_text        TEXT,
 113   ar_comment     TEXT,
 114   ar_user        INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 115   ar_user_text   TEXT         NOT NULL,
 116   ar_timestamp   TIMESTAMPTZ  NOT NULL,
 117   ar_minor_edit  CHAR         NOT NULL  DEFAULT '0',
 118   ar_flags       TEXT,
 119   ar_rev_id      INTEGER,
 120   ar_text_id     INTEGER
 121 );
 122 CREATE INDEX archive_name_title_timestamp ON archive2 (ar_namespace,ar_title,ar_timestamp);
 123
 124 -- This is the easiest way to work around the char(15) timestamp hack without modifying PHP code
 125 CREATE VIEW archive AS
 126 SELECT
 127   ar_namespace, ar_title, ar_text, ar_comment, ar_user, ar_user_text,
 128   ar_minor_edit, ar_flags, ar_rev_id, ar_text_id,
 129        TO_CHAR(ar_timestamp, 'YYYYMMDDHH24MISS') AS ar_timestamp
 130 FROM archive2;
 131
 132 CREATE RULE archive_insert AS ON INSERT TO archive
 133 DO INSTEAD INSERT INTO archive2 VALUES (
 134   NEW.ar_namespace, NEW.ar_title, NEW.ar_text, NEW.ar_comment, NEW.ar_user, NEW.ar_user_text,
 135   TO_DATE(NEW.ar_timestamp, 'YYYYMMDDHH24MISS'),
 136   NEW.ar_minor_edit, NEW.ar_flags, NEW.ar_rev_id, NEW.ar_text_id
 137 );
 138
 139
 140 CREATE TABLE pagelinks (
 141   pl_from       INTEGER   NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 142   pl_namespace  SMALLINT  NOT NULL,
 143   pl_title      TEXT      NOT NULL
 144 );
 145 CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_namespace,pl_title,pl_from);
 146
 147 CREATE TABLE templatelinks (
 148   tl_from       INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 149   tl_namespace  TEXT     NOT NULL,
 150   tl_title      TEXT     NOT NULL
 151 );
 152 CREATE UNIQUE INDEX templatelinks_unique ON templatelinks (tl_namespace,tl_title,tl_from);
 153
 154 CREATE TABLE imagelinks (
 155   il_from  INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 156   il_to    TEXT     NOT NULL
 157 );
 158 CREATE UNIQUE INDEX il_from ON imagelinks (il_to,il_from);
 159
 160 CREATE TABLE categorylinks (
 161   cl_from       INTEGER      NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 162   cl_to         TEXT         NOT NULL,
 163   cl_sortkey    TEXT,
 164   cl_timestamp  TIMESTAMPTZ  NOT NULL
 165 );
 166 CREATE UNIQUE INDEX cl_from ON categorylinks (cl_from, cl_to);
 167 CREATE INDEX cl_sortkey     ON categorylinks (cl_to, cl_sortkey);
 168
 169 CREATE TABLE externallinks (
 170   el_from   INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 171   el_to     TEXT     NOT NULL,
 172   el_index  TEXT     NOT NULL
 173 );
 174 CREATE INDEX externallinks_from_to ON externallinks (el_from,el_to);
 175 CREATE INDEX externallinks_index   ON externallinks (el_index);
 176
 177 CREATE TABLE langlinks (
 178   ll_from    INTEGER  NOT NULL  REFERENCES page (page_id) ON DELETE CASCADE,
 179   ll_lang    TEXT,
 180   ll_title   TEXT
 181 );
 182 CREATE UNIQUE INDEX langlinks_unique ON langlinks (ll_from,ll_lang);
 183 CREATE INDEX langlinks_lang_title    ON langlinks (ll_lang,ll_title);
 184
 185
 186 CREATE TABLE site_stats (
 187   ss_row_id         INTEGER  NOT NULL  UNIQUE,
 188   ss_total_views    INTEGER            DEFAULT 0,
 189   ss_total_edits    INTEGER            DEFAULT 0,
 190   ss_good_articles  INTEGER            DEFAULT 0,
 191   ss_total_pages    INTEGER            DEFAULT -1,
 192   ss_users          INTEGER            DEFAULT -1,
 193   ss_admins         INTEGER            DEFAULT -1,
 194   ss_images         INTEGER            DEFAULT 0
 195 );
 196
 197 CREATE TABLE hitcounter (
 198   hc_id  BIGINT  NOT NULL
 199 );
 200
 201
 202 CREATE SEQUENCE ipblocks_ipb_id_val;
 203 CREATE TABLE ipblocks (
 204   ipb_id              INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('ipblocks_ipb_id_val'),
 205   ipb_address         CIDR             NULL,
 206   ipb_user            INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 207   ipb_by              INTEGER      NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 208   ipb_reason          TEXT         NOT NULL,
 209   ipb_timestamp       TIMESTAMPTZ  NOT NULL,
 210   ipb_auto            CHAR         NOT NULL  DEFAULT '0',
 211   ipb_anon_only       CHAR         NOT NULL  DEFAULT '0',
 212   ipb_create_account  CHAR         NOT NULL  DEFAULT '1',
 213   ipb_expiry          TIMESTAMPTZ  NOT NULL,
 214   ipb_range_start     TEXT,
 215   ipb_range_end       TEXT
 216 );
 217 CREATE INDEX ipb_address ON ipblocks (ipb_address);
 218 CREATE INDEX ipb_user    ON ipblocks (ipb_user);
 219 CREATE INDEX ipb_range   ON ipblocks (ipb_range_start,ipb_range_end);
 220
 221
 222 CREATE TABLE image (
 223   img_name         TEXT      NOT NULL  PRIMARY KEY,
 224   img_size         INTEGER   NOT NULL,
 225   img_width        INTEGER   NOT NULL,
 226   img_height       INTEGER   NOT NULL,
 227   img_metadata     TEXT,
 228   img_bits         SMALLINT,
 229   img_media_type   TEXT,
 230   img_major_mime   TEXT                DEFAULT 'unknown',
 231   img_minor_mime   TEXT                DEFAULT 'unknown',
 232   img_description  TEXT      NOT NULL,
 233   img_user         INTEGER       NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 234   img_user_text    TEXT      NOT NULL,
 235   img_timestamp    TIMESTAMPTZ
 236 );
 237 CREATE INDEX img_size_idx      ON image (img_size);
 238 CREATE INDEX img_timestamp_idx ON image (img_timestamp);
 239
 240 CREATE TABLE oldimage (
 241   oi_name          TEXT         NOT NULL  REFERENCES image(img_name),
 242   oi_archive_name  TEXT         NOT NULL,
 243   oi_size          SMALLINT     NOT NULL,
 244   oi_width         SMALLINT     NOT NULL,
 245   oi_height        SMALLINT     NOT NULL,
 246   oi_bits          SMALLINT     NOT NULL,
 247   oi_description   TEXT,
 248   oi_user          INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 249   oi_user_text     TEXT         NOT NULL,
 250   oi_timestamp     TIMESTAMPTZ  NOT NULL
 251 );
 252 CREATE INDEX oi_name ON oldimage (oi_name);
 253
 254
 255 CREATE TABLE filearchive (
 256   fa_id                 SERIAL       NOT NULL  PRIMARY KEY,
 257   fa_name               TEXT         NOT NULL,
 258   fa_archive_name       TEXT,
 259   fa_storage_group      VARCHAR(16),
 260   fa_storage_key        CHAR(64),
 261   fa_deleted_user       INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 262   fa_deleted_timestamp  TIMESTAMPTZ  NOT NULL,
 263   fa_deleted_reason     TEXT,
 264   fa_size               SMALLINT     NOT NULL,
 265   fa_width              SMALLINT     NOT NULL,
 266   fa_height             SMALLINT     NOT NULL,
 267   fa_metadata           TEXT,
 268   fa_bits               SMALLINT,
 269   fa_media_type         TEXT,
 270   fa_major_mime         TEXT                   DEFAULT 'unknown',
 271   fa_minor_mime         TEXT                   DEFAULT 'unknown',
 272   fa_description        TEXT         NOT NULL,
 273   fa_user               INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 274   fa_user_text          TEXT         NOT NULL,
 275   fa_timestamp          TIMESTAMPTZ
 276 );
 277 CREATE INDEX fa_name_time ON filearchive (fa_name, fa_timestamp);
 278 CREATE INDEX fa_dupe      ON filearchive (fa_storage_group, fa_storage_key);
 279 CREATE INDEX fa_notime    ON filearchive (fa_deleted_timestamp);
 280 CREATE INDEX fa_nouser    ON filearchive (fa_deleted_user);
 281
 282
 283 CREATE SEQUENCE rc_rc_id_seq;
 284 CREATE TABLE recentchanges (
 285   rc_id              INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('rc_rc_id_seq'),
 286   rc_timestamp       TIMESTAMPTZ  NOT NULL,
 287   rc_cur_time        TIMESTAMPTZ  NOT NULL,
 288   rc_user            INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 289   rc_user_text       TEXT         NOT NULL,
 290   rc_namespace       SMALLINT     NOT NULL,
 291   rc_title           TEXT         NOT NULL,
 292   rc_comment         TEXT,
 293   rc_minor           CHAR         NOT NULL  DEFAULT '0',
 294   rc_bot             CHAR         NOT NULL  DEFAULT '0',
 295   rc_new             CHAR         NOT NULL  DEFAULT '0',
 296   rc_cur_id          INTEGER          NULL  REFERENCES page(page_id) ON DELETE SET NULL,
 297   rc_this_oldid      INTEGER      NOT NULL,
 298   rc_last_oldid      INTEGER      NOT NULL,
 299   rc_type            CHAR         NOT NULL  DEFAULT '0',
 300   rc_moved_to_ns     SMALLINT,
 301   rc_moved_to_title  TEXT,
 302   rc_patrolled       CHAR         NOT NULL  DEFAULT '0',
 303   rc_ip              CIDR
 304 );
 305 CREATE INDEX rc_timestamp       ON recentchanges (rc_timestamp);
 306 CREATE INDEX rc_namespace_title ON recentchanges (rc_namespace, rc_title);
 307 CREATE INDEX rc_cur_id          ON recentchanges (rc_cur_id);
 308 CREATE INDEX new_name_timestamp ON recentchanges (rc_new, rc_namespace, rc_timestamp);
 309 CREATE INDEX rc_ip              ON recentchanges (rc_ip);
 310
 311
 312 CREATE TABLE watchlist (
 313   wl_user                   INTEGER     NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 314   wl_namespace              SMALLINT    NOT NULL  DEFAULT 0,
 315   wl_title                  TEXT        NOT NULL,
 316   wl_notificationtimestamp  TIMESTAMPTZ
 317 );
 318 CREATE UNIQUE INDEX wl_user_namespace_title ON watchlist (wl_namespace, wl_title, wl_user);
 319
 320
 321 CREATE TABLE math (
 322   math_inputhash              TEXT      NOT NULL  UNIQUE,
 323   math_outputhash             TEXT      NOT NULL,
 324   math_html_conservativeness  SMALLINT  NOT NULL,
 325   math_html                   TEXT,
 326   math_mathml                 TEXT
 327 );
 328
 329
 330 CREATE TABLE interwiki (
 331   iw_prefix  TEXT  NOT NULL  UNIQUE,
 332   iw_url     TEXT  NOT NULL,
 333   iw_local   CHAR  NOT NULL,
 334   iw_trans   CHAR  NOT NULL  DEFAULT '0'
 335 );
 336
 337
 338 CREATE TABLE querycache (
 339   qc_type       TEXT      NOT NULL,
 340   qc_value      SMALLINT  NOT NULL,
 341   qc_namespace  SMALLINT  NOT NULL,
 342   qc_title      TEXT      NOT NULL
 343 );
 344 CREATE INDEX querycache_type_value ON querycache (qc_type, qc_value);
 345
 346 CREATE TABLE querycache_info (
 347   qci_type       TEXT              UNIQUE,
 348   qci_timestamp  TIMESTAMPTZ NULL
 349 );
 350
 351 CREATE TABLE objectcache (
 352   keyname  CHAR(255)              UNIQUE,
 353   value    BYTEA        NOT NULL  DEFAULT '',
 354   exptime  TIMESTAMPTZ  NOT NULL
 355 );
 356 CREATE INDEX objectcacache_exptime ON objectcache (exptime);
 357
 358 CREATE TABLE transcache (
 359   tc_url       TEXT         NOT NULL  UNIQUE,
 360   tc_contents  TEXT         NOT NULL,
 361   tc_time      TIMESTAMPTZ  NOT NULL
 362 );
 363
 364
 365 CREATE TABLE logging (
 366   log_type        TEXT         NOT NULL,
 367   log_action      TEXT         NOT NULL,
 368   log_timestamp   TIMESTAMPTZ  NOT NULL,
 369   log_user        INTEGER                REFERENCES "user"(user_id) ON DELETE SET NULL,
 370   log_namespace   SMALLINT     NOT NULL,
 371   log_title       TEXT         NOT NULL,
 372   log_comment     TEXT,
 373   log_params      TEXT
 374 );
 375 CREATE INDEX logging_type_name ON logging (log_type, log_timestamp);
 376 CREATE INDEX logging_user_time ON logging (log_timestamp, log_user);
 377 CREATE INDEX logging_page_time ON logging (log_namespace, log_title, log_timestamp);
 378
 379
 380 CREATE TABLE trackbacks (
 381   tb_id     SERIAL   NOT NULL  PRIMARY KEY,
 382   tb_page   INTEGER            REFERENCES page(page_id) ON DELETE CASCADE,
 383   tb_title  TEXT     NOT NULL,
 384   tb_url    TEXT     NOT NULL,
 385   tb_ex     TEXT,
 386   tb_name   TEXT
 387 );
 388 CREATE INDEX trackback_page ON trackbacks (tb_page);
 389
 390
 391 CREATE SEQUENCE job_job_id_seq;
 392 CREATE TABLE job (
 393   job_id         INTEGER   NOT NULL  PRIMARY KEY DEFAULT nextval('job_job_id_seq'),
 394   job_cmd        TEXT      NOT NULL,
 395   job_namespace  SMALLINT  NOT NULL,
 396   job_title      TEXT      NOT NULL,
 397   job_params     TEXT      NOT NULL
 398 );
 399 CREATE INDEX job_cmd_namespace_title ON job (job_cmd, job_namespace, job_title);
 400
 401 -- Tsearch2 2 stuff. Will fail if we don't have proper access to the tsearch2 tables
 402
 403 ALTER TABLE page ADD titlevector tsvector;
 404 CREATE INDEX ts2_page_title ON page USING gist(titlevector);
 405 CREATE FUNCTION ts2_page_title() RETURNS TRIGGER LANGUAGE plpgsql AS
 406 $mw$
 407 BEGIN
 408 IF TG_OP = 'INSERT' THEN
 409   NEW.titlevector = to_tsvector(NEW.page_title);
 410 ELSIF NEW.page_title != OLD.page_title THEN
 411   NEW.titlevector := to_tsvector(NEW.page_title);
 412 END IF;
 413 RETURN NEW;
 414 END;
 415 $mw$;
 416
 417 CREATE TRIGGER ts2_page_title BEFORE INSERT OR UPDATE ON page
 418   FOR EACH ROW EXECUTE PROCEDURE ts2_page_title();
 419
 420
 421 ALTER TABLE text ADD textvector tsvector;
 422 CREATE INDEX ts2_page_text ON text USING gist(textvector);
 423 CREATE FUNCTION ts2_page_text() RETURNS TRIGGER LANGUAGE plpgsql AS
 424 $mw$
 425 BEGIN
 426 IF TG_OP = 'INSERT' THEN
 427   NEW.textvector = to_tsvector(NEW.old_text);
 428 ELSIF NEW.old_text != OLD.old_text THEN
 429   NEW.textvector := to_tsvector(NEW.old_text);
 430 END IF;
 431 RETURN NEW;
 432 END;
 433 $mw$;
 434
 435 CREATE TRIGGER ts2_page_text BEFORE INSERT OR UPDATE ON text
 436   FOR EACH ROW EXECUTE PROCEDURE ts2_page_text();
 437
 438 CREATE FUNCTION add_interwiki (TEXT,INT,CHAR) RETURNS INT LANGUAGE SQL AS
 439 $mw$
 440   INSERT INTO interwiki (iw_prefix, iw_url, iw_local) VALUES ($1,$2,$3);
 441   SELECT 1;
 442 $mw$;
 443
 444 CREATE TABLE mediawiki_version (
 445   type         TEXT         NOT NULL,
 446   mw_version   TEXT         NOT NULL,
 447
 448   pg_version   TEXT             NULL,
 449   pg_dbname    TEXT             NULL,
 450   pg_user      TEXT             NULL,
 451   pg_port      TEXT             NULL,
 452   mw_schema    TEXT             NULL,
 453   ts2_schema   TEXT             NULL,
 454
 455   sql_version  TEXT             NULL,
 456   sql_date     TEXT             NULL,
 457   cdate        TIMESTAMPTZ  NOT NULL DEFAULT now()
 458 );
 459
 460 INSERT INTO mediawiki_version (type,mw_version,sql_version,sql_date)
 461   VALUES ('Creation','??','$LastChangedRevision$','$LastChangedDate$');
 462
 463
 464 COMMIT;