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" VALUES
  33   (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
  84 -- Create a dummy page to satisfy fk contraints where a page_id of "0" is added
  85 INSERT INTO page (page_id,page_namespace,page_title,page_random,page_latest,page_len)
  86 VALUES (0,0,'',0.0,0,0);
  87
  88
  89 CREATE SEQUENCE rev_rev_id_val;
  90 CREATE TABLE revision (
  91   rev_id          INTEGER      NOT NULL  UNIQUE DEFAULT nextval('rev_rev_id_val'),
  92   rev_page        INTEGER          NULL  REFERENCES page (page_id) ON DELETE CASCADE,
  93   rev_text_id     INTEGER          NULL, -- FK
  94   rev_comment     TEXT,
  95   rev_user        INTEGER      NOT NULL  REFERENCES "user"(user_id),
  96   rev_user_text   TEXT         NOT NULL,
  97   rev_timestamp   TIMESTAMPTZ  NOT NULL,
  98   rev_minor_edit  CHAR         NOT NULL  DEFAULT '0',
  99   rev_deleted     CHAR         NOT NULL  DEFAULT '0'
 100 );
 101 CREATE UNIQUE INDEX revision_unique ON revision (rev_page, rev_id);
 102 CREATE INDEX rev_timestamp_idx      ON revision (rev_timestamp);
 103 CREATE INDEX rev_user_idx           ON revision (rev_user);
 104 CREATE INDEX rev_user_text_idx      ON revision (rev_user_text);
 105
 106
 107 CREATE SEQUENCE text_old_id_val;
 108 CREATE TABLE "text" (
 109   old_id     INTEGER  NOT NULL  PRIMARY KEY DEFAULT nextval('text_old_id_val'),
 110   old_text   TEXT,
 111   old_flags  TEXT
 112 );
 113
 114
 115 CREATE TABLE archive (
 116   ar_namespace   SMALLINT     NOT NULL,
 117   ar_title       TEXT         NOT NULL,
 118   ar_text        TEXT,
 119   ar_comment     TEXT,
 120   ar_user        INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 121   ar_user_text   TEXT         NOT NULL,
 122   ar_timestamp   TIMESTAMPTZ  NOT NULL,
 123   ar_minor_edit  CHAR         NOT NULL  DEFAULT '0',
 124   ar_flags       TEXT,
 125   ar_rev_id      INTEGER,
 126   ar_text_id     INTEGER
 127 );
 128 CREATE INDEX archive_name_title_timestamp ON archive (ar_namespace,ar_title,ar_timestamp);
 129
 130
 131 CREATE TABLE pagelinks (
 132   pl_from       INTEGER   NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 133   pl_namespace  SMALLINT  NOT NULL,
 134   pl_title      TEXT      NOT NULL
 135 );
 136 CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_namespace,pl_title,pl_from);
 137
 138 CREATE TABLE templatelinks (
 139   tl_from       INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 140   tl_namespace  TEXT     NOT NULL,
 141   tl_title      TEXT     NOT NULL
 142 );
 143 CREATE UNIQUE INDEX templatelinks_unique ON templatelinks (tl_namespace,tl_title,tl_from);
 144
 145 CREATE TABLE imagelinks (
 146   il_from  INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 147   il_to    TEXT     NOT NULL
 148 );
 149 CREATE UNIQUE INDEX il_from ON imagelinks (il_to,il_from);
 150
 151 CREATE TABLE categorylinks (
 152   cl_from       INTEGER      NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 153   cl_to         TEXT         NOT NULL,
 154   cl_sortkey    TEXT,
 155   cl_timestamp  TIMESTAMPTZ  NOT NULL
 156 );
 157 CREATE UNIQUE INDEX cl_from ON categorylinks (cl_from, cl_to);
 158 CREATE INDEX cl_sortkey     ON categorylinks (cl_to, cl_sortkey);
 159
 160 CREATE TABLE externallinks (
 161   el_from   INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 162   el_to     TEXT     NOT NULL,
 163   el_index  TEXT     NOT NULL
 164 );
 165 CREATE INDEX externallinks_from_to ON externallinks (el_from,el_to);
 166 CREATE INDEX externallinks_index   ON externallinks (el_index);
 167
 168 CREATE TABLE langlinks (
 169   ll_from    INTEGER  NOT NULL  REFERENCES page (page_id) ON DELETE CASCADE,
 170   ll_lang    TEXT,
 171   ll_title   TEXT
 172 );
 173 CREATE UNIQUE INDEX langlinks_unique ON langlinks (ll_from,ll_lang);
 174 CREATE INDEX langlinks_lang_title    ON langlinks (ll_lang,ll_title);
 175
 176
 177 CREATE TABLE site_stats (
 178   ss_row_id         INTEGER  NOT NULL  UNIQUE,
 179   ss_total_views    INTEGER            DEFAULT 0,
 180   ss_total_edits    INTEGER            DEFAULT 0,
 181   ss_good_articles  INTEGER            DEFAULT 0,
 182   ss_total_pages    INTEGER            DEFAULT -1,
 183   ss_users          INTEGER            DEFAULT -1,
 184   ss_admins         INTEGER            DEFAULT -1,
 185   ss_images         INTEGER            DEFAULT 0
 186 );
 187
 188 CREATE TABLE hitcounter (
 189   hc_id  BIGINT  NOT NULL
 190 );
 191
 192
 193 CREATE SEQUENCE ipblocks_ipb_id_val;
 194 CREATE TABLE ipblocks (
 195   ipb_id              INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('ipblocks_ipb_id_val'),
 196   ipb_address         CIDR             NULL,
 197   ipb_user            INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 198   ipb_by              INTEGER      NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 199   ipb_reason          TEXT         NOT NULL,
 200   ipb_timestamp       TIMESTAMPTZ  NOT NULL,
 201   ipb_auto            CHAR         NOT NULL  DEFAULT '0',
 202   ipb_anon_only       CHAR         NOT NULL  DEFAULT '0',
 203   ipb_create_account  CHAR         NOT NULL  DEFAULT '1',
 204   ipb_expiry          TIMESTAMPTZ  NOT NULL,
 205   ipb_range_start     TEXT,
 206   ipb_range_end       TEXT
 207 );
 208 CREATE INDEX ipb_address ON ipblocks (ipb_address);
 209 CREATE INDEX ipb_user    ON ipblocks (ipb_user);
 210 CREATE INDEX ipb_range   ON ipblocks (ipb_range_start,ipb_range_end);
 211
 212
 213 CREATE TABLE image (
 214   img_name         TEXT      NOT NULL  PRIMARY KEY,
 215   img_size         INTEGER   NOT NULL,
 216   img_width        INTEGER   NOT NULL,
 217   img_height       INTEGER   NOT NULL,
 218   img_metadata     TEXT,
 219   img_bits         SMALLINT,
 220   img_media_type   TEXT,
 221   img_major_mime   TEXT                DEFAULT 'unknown',
 222   img_minor_mime   TEXT                DEFAULT 'unknown',
 223   img_description  TEXT      NOT NULL,
 224   img_user         INTEGER       NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 225   img_user_text    TEXT      NOT NULL,
 226   img_timestamp    TIMESTAMPTZ
 227 );
 228 CREATE INDEX img_size_idx      ON image (img_size);
 229 CREATE INDEX img_timestamp_idx ON image (img_timestamp);
 230
 231 CREATE TABLE oldimage (
 232   oi_name          TEXT         NOT NULL  REFERENCES image(img_name),
 233   oi_archive_name  TEXT         NOT NULL,
 234   oi_size          SMALLINT     NOT NULL,
 235   oi_width         SMALLINT     NOT NULL,
 236   oi_height        SMALLINT     NOT NULL,
 237   oi_bits          SMALLINT     NOT NULL,
 238   oi_description   TEXT,
 239   oi_user          INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 240   oi_user_text     TEXT         NOT NULL,
 241   oi_timestamp     TIMESTAMPTZ  NOT NULL
 242 );
 243 CREATE INDEX oi_name ON oldimage (oi_name);
 244
 245
 246 CREATE TABLE filearchive (
 247   fa_id                 SERIAL       NOT NULL  PRIMARY KEY,
 248   fa_name               TEXT         NOT NULL,
 249   fa_archive_name       TEXT,
 250   fa_storage_group      VARCHAR(16),
 251   fa_storage_key        CHAR(64),
 252   fa_deleted_user       INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 253   fa_deleted_timestamp  TIMESTAMPTZ  NOT NULL,
 254   fa_deleted_reason     TEXT,
 255   fa_size               SMALLINT     NOT NULL,
 256   fa_width              SMALLINT     NOT NULL,
 257   fa_height             SMALLINT     NOT NULL,
 258   fa_metadata           TEXT,
 259   fa_bits               SMALLINT,
 260   fa_media_type         TEXT,
 261   fa_major_mime         TEXT                   DEFAULT 'unknown',
 262   fa_minor_mime         TEXT                   DEFAULT 'unknown',
 263   fa_description        TEXT         NOT NULL,
 264   fa_user               INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 265   fa_user_text          TEXT         NOT NULL,
 266   fa_timestamp          TIMESTAMPTZ
 267 );
 268 CREATE INDEX fa_name_time ON filearchive (fa_name, fa_timestamp);
 269 CREATE INDEX fa_dupe      ON filearchive (fa_storage_group, fa_storage_key);
 270 CREATE INDEX fa_notime    ON filearchive (fa_deleted_timestamp);
 271 CREATE INDEX fa_nouser    ON filearchive (fa_deleted_user);
 272
 273
 274 CREATE SEQUENCE rc_rc_id_seq;
 275 CREATE TABLE recentchanges (
 276   rc_id              INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('rc_rc_id_seq'),
 277   rc_timestamp       TIMESTAMPTZ  NOT NULL,
 278   rc_cur_time        TIMESTAMPTZ  NOT NULL,
 279   rc_user            INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 280   rc_user_text       TEXT         NOT NULL,
 281   rc_namespace       SMALLINT     NOT NULL,
 282   rc_title           TEXT         NOT NULL,
 283   rc_comment         TEXT,
 284   rc_minor           CHAR         NOT NULL  DEFAULT '0',
 285   rc_bot             CHAR         NOT NULL  DEFAULT '0',
 286   rc_new             CHAR         NOT NULL  DEFAULT '0',
 287   rc_cur_id          INTEGER          NULL  REFERENCES page(page_id) ON DELETE SET NULL,
 288   rc_this_oldid      INTEGER      NOT NULL,
 289   rc_last_oldid      INTEGER      NOT NULL,
 290   rc_type            CHAR         NOT NULL  DEFAULT '0',
 291   rc_moved_to_ns     SMALLINT,
 292   rc_moved_to_title  TEXT,
 293   rc_patrolled       CHAR         NOT NULL  DEFAULT '0',
 294   rc_ip              CIDR
 295 );
 296 CREATE INDEX rc_timestamp       ON recentchanges (rc_timestamp);
 297 CREATE INDEX rc_namespace_title ON recentchanges (rc_namespace, rc_title);
 298 CREATE INDEX rc_cur_id          ON recentchanges (rc_cur_id);
 299 CREATE INDEX new_name_timestamp ON recentchanges (rc_new, rc_namespace, rc_timestamp);
 300 CREATE INDEX rc_ip              ON recentchanges (rc_ip);
 301
 302
 303 CREATE TABLE watchlist (
 304   wl_user                   INTEGER     NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 305   wl_namespace              SMALLINT    NOT NULL  DEFAULT 0,
 306   wl_title                  TEXT        NOT NULL,
 307   wl_notificationtimestamp  TIMESTAMPTZ
 308 );
 309 CREATE UNIQUE INDEX wl_user_namespace_title ON watchlist (wl_namespace, wl_title, wl_user);
 310
 311
 312 CREATE TABLE math (
 313   math_inputhash              TEXT      NOT NULL  UNIQUE,
 314   math_outputhash             TEXT      NOT NULL,
 315   math_html_conservativeness  SMALLINT  NOT NULL,
 316   math_html                   TEXT,
 317   math_mathml                 TEXT
 318 );
 319
 320
 321 CREATE TABLE interwiki (
 322   iw_prefix  TEXT  NOT NULL  UNIQUE,
 323   iw_url     TEXT  NOT NULL,
 324   iw_local   CHAR  NOT NULL,
 325   iw_trans   CHAR  NOT NULL  DEFAULT '0'
 326 );
 327
 328
 329 CREATE TABLE querycache (
 330   qc_type       TEXT      NOT NULL,
 331   qc_value      SMALLINT  NOT NULL,
 332   qc_namespace  SMALLINT  NOT NULL,
 333   qc_title      TEXT      NOT NULL
 334 );
 335 CREATE INDEX querycache_type_value ON querycache (qc_type, qc_value);
 336
 337 CREATE TABLE querycache_info (
 338   qci_type       TEXT              UNIQUE,
 339   qci_timestamp  TIMESTAMPTZ NULL
 340 );
 341
 342 CREATE TABLE objectcache (
 343   keyname  CHAR(255)              UNIQUE,
 344   value    BYTEA        NOT NULL  DEFAULT '',
 345   exptime  TIMESTAMPTZ  NOT NULL
 346 );
 347 CREATE INDEX objectcacache_exptime ON objectcache (exptime);
 348
 349 CREATE TABLE transcache (
 350   tc_url       TEXT         NOT NULL  UNIQUE,
 351   tc_contents  TEXT         NOT NULL,
 352   tc_time      TIMESTAMPTZ  NOT NULL
 353 );
 354
 355
 356 CREATE TABLE logging (
 357   log_type        TEXT         NOT NULL,
 358   log_action      TEXT         NOT NULL,
 359   log_timestamp   TIMESTAMPTZ  NOT NULL,
 360   log_user        INTEGER                REFERENCES "user"(user_id) ON DELETE SET NULL,
 361   log_namespace   SMALLINT     NOT NULL,
 362   log_title       TEXT         NOT NULL,
 363   log_comment     TEXT,
 364   log_params      TEXT
 365 );
 366 CREATE INDEX logging_type_name ON logging (log_type, log_timestamp);
 367 CREATE INDEX logging_user_time ON logging (log_timestamp, log_user);
 368 CREATE INDEX logging_page_time ON logging (log_namespace, log_title, log_timestamp);
 369
 370
 371 CREATE TABLE trackbacks (
 372   tb_id     SERIAL   NOT NULL  PRIMARY KEY,
 373   tb_page   INTEGER            REFERENCES page(page_id) ON DELETE CASCADE,
 374   tb_title  TEXT     NOT NULL,
 375   tb_url    TEXT     NOT NULL,
 376   tb_ex     TEXT,
 377   tb_name   TEXT
 378 );
 379 CREATE INDEX trackback_page ON trackbacks (tb_page);
 380
 381
 382 CREATE SEQUENCE job_job_id_seq;
 383 CREATE TABLE job (
 384   job_id         INTEGER   NOT NULL  PRIMARY KEY DEFAULT nextval('job_job_id_seq'),
 385   job_cmd        TEXT      NOT NULL,
 386   job_namespace  SMALLINT  NOT NULL,
 387   job_title      TEXT      NOT NULL,
 388   job_params     TEXT      NOT NULL
 389 );
 390 CREATE INDEX job_cmd_namespace_title ON job (job_cmd, job_namespace, job_title);
 391
 392 -- Tsearch2 2 stuff. Will fail if we don't have proper access to the tsearch2 tables
 393
 394 ALTER TABLE page ADD titlevector tsvector;
 395 CREATE INDEX ts2_page_title ON page USING gist(titlevector);
 396 CREATE FUNCTION ts2_page_title() RETURNS TRIGGER LANGUAGE plpgsql AS
 397 $mw$
 398 BEGIN
 399 IF TG_OP = 'INSERT' THEN
 400   NEW.titlevector = to_tsvector(NEW.page_title);
 401 ELSIF NEW.page_title != OLD.page_title THEN
 402   NEW.titlevector := to_tsvector(NEW.page_title);
 403 END IF;
 404 RETURN NEW;
 405 END;
 406 $mw$;
 407
 408 CREATE TRIGGER ts2_page_title BEFORE INSERT OR UPDATE ON page
 409 FOR EACH ROW EXECUTE PROCEDURE ts2_page_title();
 410
 411
 412 ALTER TABLE text ADD textvector tsvector;
 413 CREATE INDEX ts2_page_text ON text USING gist(textvector);
 414 CREATE FUNCTION ts2_page_text() RETURNS TRIGGER LANGUAGE plpgsql AS
 415 $mw$
 416 BEGIN
 417 IF TG_OP = 'INSERT' THEN
 418   NEW.textvector = to_tsvector(NEW.old_text);
 419 ELSIF NEW.old_text != OLD.old_text THEN
 420   NEW.textvector := to_tsvector(NEW.old_text);
 421 END IF;
 422 RETURN NEW;
 423 END;
 424 $mw$;
 425
 426 CREATE TRIGGER ts2_page_text BEFORE INSERT OR UPDATE ON text
 427 FOR EACH ROW EXECUTE PROCEDURE ts2_page_text();
 428
 429 CREATE OR REPLACE FUNCTION add_interwiki (TEXT,INT,CHAR) RETURNS INT LANGUAGE SQL AS
 430 $mw$
 431   INSERT INTO interwiki (iw_prefix, iw_url, iw_local) VALUES ($1,$2,$3);
 432   SELECT 1;
 433 $mw$;
 434
 435 CREATE TABLE mediawiki_version (
 436   type         TEXT         NOT NULL,
 437   mw_version   TEXT         NOT NULL,
 438
 439   pg_version   TEXT             NULL,
 440   pg_dbname    TEXT             NULL,
 441   pg_user      TEXT             NULL,
 442   pg_port      TEXT             NULL,
 443   mw_schema    TEXT             NULL,
 444   ts2_schema   TEXT             NULL,
 445
 446   sql_version  TEXT             NULL,
 447   sql_date     TEXT             NULL,
 448   cdate        TIMESTAMPTZ  NOT NULL DEFAULT now()
 449 );
 450
 451 INSERT INTO mediawiki_version (type,mw_version,sql_version,sql_date)
 452 VALUES ('Creation','??','$LastChangedRevision$','$LastChangedDate$');
 453
 454
 455 COMMIT;