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,
  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 a dummy page to satisfy fk contraints where a page_id of "0" is added
  73 INSERT INTO page (page_id,page_namespace,page_title,page_random,page_latest,page_len)
  74 VALUES (0,0,'',0.0,0,0);
  75
  76
  77 CREATE SEQUENCE rev_rev_id_val;
  78 CREATE TABLE revision (
  79   rev_id          INTEGER      NOT NULL  UNIQUE DEFAULT nextval('rev_rev_id_val'),
  80   rev_page        INTEGER          NULL  REFERENCES page (page_id) ON DELETE SET NULL,
  81   rev_text_id     INTEGER          NULL, -- FK
  82   rev_comment     TEXT,
  83   rev_user        INTEGER      NOT NULL  REFERENCES "user"(user_id),
  84   rev_user_text   TEXT         NOT NULL,
  85   rev_timestamp   TIMESTAMPTZ  NOT NULL,
  86   rev_minor_edit  CHAR         NOT NULL  DEFAULT '0',
  87   rev_deleted     CHAR         NOT NULL  DEFAULT '0'
  88 );
  89 CREATE UNIQUE INDEX revision_unique ON revision (rev_page, rev_id);
  90 CREATE INDEX rev_timestamp_idx      ON revision (rev_timestamp);
  91 CREATE INDEX rev_user_idx           ON revision (rev_user);
  92 CREATE INDEX rev_user_text_idx      ON revision (rev_user_text);
  93
  94
  95 CREATE SEQUENCE text_old_id_val;
  96 CREATE TABLE "text" (
  97   old_id     INTEGER  NOT NULL  PRIMARY KEY DEFAULT nextval('text_old_id_val'),
  98   old_text   TEXT,
  99   old_flags  TEXT
 100 );
 101
 102
 103 CREATE TABLE archive (
 104   ar_namespace   SMALLINT     NOT NULL,
 105   ar_title       TEXT         NOT NULL,
 106   ar_text        TEXT,
 107   ar_comment     TEXT,
 108   ar_user        INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 109   ar_user_text   TEXT         NOT NULL,
 110   ar_timestamp   TIMESTAMPTZ  NOT NULL,
 111   ar_minor_edit  CHAR         NOT NULL  DEFAULT '0',
 112   ar_flags       TEXT,
 113   ar_rev_id      INTEGER,
 114   ar_text_id     INTEGER
 115 );
 116 CREATE INDEX archive_name_title_timestamp ON archive (ar_namespace,ar_title,ar_timestamp);
 117
 118
 119 CREATE TABLE pagelinks (
 120   pl_from       INTEGER   NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 121   pl_namespace  SMALLINT  NOT NULL,
 122   pl_title      TEXT      NOT NULL
 123 );
 124 CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_namespace,pl_title,pl_from);
 125
 126 CREATE TABLE templatelinks (
 127   tl_from       INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 128   tl_namespace  TEXT     NOT NULL,
 129   tl_title      TEXT     NOT NULL
 130 );
 131 CREATE UNIQUE INDEX templatelinks_unique ON templatelinks (tl_namespace,tl_title,tl_from);
 132
 133 CREATE TABLE imagelinks (
 134   il_from  INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 135   il_to    TEXT     NOT NULL
 136 );
 137 CREATE UNIQUE INDEX il_from ON imagelinks (il_to,il_from);
 138
 139 CREATE TABLE categorylinks (
 140   cl_from       INTEGER      NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 141   cl_to         TEXT         NOT NULL,
 142   cl_sortkey    TEXT,
 143   cl_timestamp  TIMESTAMPTZ  NOT NULL
 144 );
 145 CREATE UNIQUE INDEX cl_from ON categorylinks (cl_from, cl_to);
 146 CREATE INDEX cl_sortkey     ON categorylinks (cl_to, cl_sortkey);
 147
 148 CREATE TABLE externallinks (
 149   el_from   INTEGER  NOT NULL  REFERENCES page(page_id) ON DELETE CASCADE,
 150   el_to     TEXT     NOT NULL,
 151   el_index  TEXT     NOT NULL
 152 );
 153 CREATE INDEX externallinks_from_to ON externallinks (el_from,el_to);
 154 CREATE INDEX externallinks_index   ON externallinks (el_index);
 155
 156 CREATE TABLE langlinks (
 157   ll_from    INTEGER  NOT NULL  REFERENCES page (page_id) ON DELETE CASCADE,
 158   ll_lang    TEXT,
 159   ll_title   TEXT
 160 );
 161 CREATE UNIQUE INDEX langlinks_unique ON langlinks (ll_from,ll_lang);
 162 CREATE INDEX langlinks_lang_title    ON langlinks (ll_lang,ll_title);
 163
 164
 165 CREATE TABLE site_stats (
 166   ss_row_id         INTEGER  NOT NULL  UNIQUE,
 167   ss_total_views    INTEGER            DEFAULT 0,
 168   ss_total_edits    INTEGER            DEFAULT 0,
 169   ss_good_articles  INTEGER            DEFAULT 0,
 170   ss_total_pages    INTEGER            DEFAULT -1,
 171   ss_users          INTEGER            DEFAULT -1,
 172   ss_admins         INTEGER            DEFAULT -1,
 173   ss_images         INTEGER            DEFAULT 0
 174 );
 175
 176 CREATE TABLE hitcounter (
 177   hc_id  BIGINT  NOT NULL
 178 );
 179
 180
 181 CREATE SEQUENCE ipblocks_ipb_id_val;
 182 CREATE TABLE ipblocks (
 183   ipb_id           INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('ipblocks_ipb_id_val'),
 184   ipb_address      CIDR             NULL,
 185   ipb_user         INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 186   ipb_by           INTEGER      NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 187   ipb_reason       TEXT         NOT NULL,
 188   ipb_timestamp    TIMESTAMPTZ  NOT NULL,
 189   ipb_auto         CHAR         NOT NULL  DEFAULT '0',
 190   ipb_expiry       TIMESTAMPTZ  NOT NULL,
 191   ipb_range_start  TEXT,
 192   ipb_range_end    TEXT
 193 );
 194 CREATE INDEX ipb_address ON ipblocks (ipb_address);
 195 CREATE INDEX ipb_user    ON ipblocks (ipb_user);
 196 CREATE INDEX ipb_range   ON ipblocks (ipb_range_start,ipb_range_end);
 197
 198
 199 CREATE TABLE image (
 200   img_name         TEXT      NOT NULL  PRIMARY KEY,
 201   img_size         SMALLINT  NOT NULL,
 202   img_width        SMALLINT  NOT NULL,
 203   img_height       SMALLINT  NOT NULL,
 204   img_metadata     TEXT,
 205   img_bits         SMALLINT,
 206   img_media_type   TEXT,
 207   img_major_mime   TEXT                DEFAULT 'unknown',
 208   img_minor_mime   TEXT                DEFAULT 'unknown',
 209   img_description  TEXT      NOT NULL,
 210   img_user         INTEGER       NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 211   img_user_text    TEXT      NOT NULL,
 212   img_timestamp    TIMESTAMPTZ
 213 );
 214 CREATE INDEX img_size_idx      ON image (img_size);
 215 CREATE INDEX img_timestamp_idx ON image (img_timestamp);
 216
 217 CREATE TABLE oldimage (
 218   oi_name          TEXT         NOT NULL  REFERENCES image(img_name),
 219   oi_archive_name  TEXT         NOT NULL,
 220   oi_size          SMALLINT     NOT NULL,
 221   oi_width         SMALLINT     NOT NULL,
 222   oi_height        SMALLINT     NOT NULL,
 223   oi_bits          SMALLINT     NOT NULL,
 224   oi_description   TEXT,
 225   oi_user          INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 226   oi_user_text     TEXT         NOT NULL,
 227   oi_timestamp     TIMESTAMPTZ  NOT NULL
 228 );
 229 CREATE INDEX oi_name ON oldimage (oi_name);
 230
 231
 232 CREATE TABLE filearchive (
 233   fa_id                 SERIAL       NOT NULL  PRIMARY KEY,
 234   fa_name               TEXT         NOT NULL,
 235   fa_archive_name       TEXT,
 236   fa_storage_group      VARCHAR(16),
 237   fa_storage_key        CHAR(64),
 238   fa_deleted_user       INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 239   fa_deleted_timestamp  TIMESTAMPTZ  NOT NULL,
 240   fa_deleted_reason     TEXT,
 241   fa_size               SMALLINT     NOT NULL,
 242   fa_width              SMALLINT     NOT NULL,
 243   fa_height             SMALLINT     NOT NULL,
 244   fa_metadata           TEXT,
 245   fa_bits               SMALLINT,
 246   fa_media_type         TEXT,
 247   fa_major_mime         TEXT                   DEFAULT 'unknown',
 248   fa_minor_mime         TEXT                   DEFAULT 'unknown',
 249   fa_description        TEXT         NOT NULL,
 250   fa_user               INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 251   fa_user_text          TEXT         NOT NULL,
 252   fa_timestamp          TIMESTAMPTZ
 253 );
 254 CREATE INDEX fa_name_time ON filearchive (fa_name, fa_timestamp);
 255 CREATE INDEX fa_dupe      ON filearchive (fa_storage_group, fa_storage_key);
 256 CREATE INDEX fa_notime    ON filearchive (fa_deleted_timestamp);
 257 CREATE INDEX fa_nouser    ON filearchive (fa_deleted_user);
 258
 259
 260 CREATE SEQUENCE rc_rc_id_seq;
 261 CREATE TABLE recentchanges (
 262   rc_id              INTEGER      NOT NULL  PRIMARY KEY DEFAULT nextval('rc_rc_id_seq'),
 263   rc_timestamp       TIMESTAMPTZ  NOT NULL,
 264   rc_cur_time        TIMESTAMPTZ  NOT NULL,
 265   rc_user            INTEGER          NULL  REFERENCES "user"(user_id) ON DELETE SET NULL,
 266   rc_user_text       TEXT         NOT NULL,
 267   rc_namespace       SMALLINT     NOT NULL,
 268   rc_title           TEXT         NOT NULL,
 269   rc_comment         TEXT,
 270   rc_minor           CHAR         NOT NULL  DEFAULT '0',
 271   rc_bot             CHAR         NOT NULL  DEFAULT '0',
 272   rc_new             CHAR         NOT NULL  DEFAULT '0',
 273   rc_cur_id          INTEGER      NOT NULL  REFERENCES page(page_id),
 274   rc_this_oldid      INTEGER      NOT NULL,
 275   rc_last_oldid      INTEGER      NOT NULL,
 276   rc_type            CHAR         NOT NULL  DEFAULT '0',
 277   rc_moved_to_ns     SMALLINT,
 278   rc_moved_to_title  TEXT,
 279   rc_patrolled       CHAR         NOT NULL  DEFAULT '0',
 280   rc_ip              CIDR
 281 );
 282 CREATE INDEX rc_timestamp       ON recentchanges (rc_timestamp);
 283 CREATE INDEX rc_namespace_title ON recentchanges (rc_namespace, rc_title);
 284 CREATE INDEX rc_cur_id          ON recentchanges (rc_cur_id);
 285 CREATE INDEX new_name_timestamp ON recentchanges (rc_new, rc_namespace, rc_timestamp);
 286 CREATE INDEX rc_ip              ON recentchanges (rc_ip);
 287
 288
 289 CREATE TABLE watchlist (
 290   wl_user                   INTEGER     NOT NULL  REFERENCES "user"(user_id) ON DELETE CASCADE,
 291   wl_namespace              SMALLINT    NOT NULL  DEFAULT 0,
 292   wl_title                  TEXT        NOT NULL,
 293   wl_notificationtimestamp  TIMESTAMPTZ
 294 );
 295 CREATE UNIQUE INDEX wl_user_namespace_title ON watchlist (wl_namespace, wl_title, wl_user);
 296
 297
 298 CREATE TABLE math (
 299   math_inputhash              TEXT      NOT NULL  UNIQUE,
 300   math_outputhash             TEXT      NOT NULL,
 301   math_html_conservativeness  SMALLINT  NOT NULL,
 302   math_html                   TEXT,
 303   math_mathml                 TEXT
 304 );
 305
 306
 307 CREATE TABLE interwiki (
 308   iw_prefix  TEXT  NOT NULL  UNIQUE,
 309   iw_url     TEXT  NOT NULL,
 310   iw_local   CHAR  NOT NULL,
 311   iw_trans   CHAR  NOT NULL  DEFAULT '0'
 312 );
 313
 314
 315 CREATE TABLE querycache (
 316   qc_type       TEXT      NOT NULL,
 317   qc_value      SMALLINT  NOT NULL,
 318   qc_namespace  SMALLINT  NOT NULL,
 319   qc_title      TEXT      NOT NULL
 320 );
 321 CREATE INDEX querycache_type_value ON querycache (qc_type, qc_value);
 322
 323 CREATE TABLE querycache_info (
 324   qci_type       TEXT              UNIQUE,
 325   qci_timestamp  TIMESTAMPTZ NULL
 326 );
 327
 328 CREATE TABLE objectcache (
 329   keyname  CHAR(255)              UNIQUE,
 330   value    BYTEA        NOT NULL  DEFAULT '',
 331   exptime  TIMESTAMPTZ  NOT NULL
 332 );
 333 CREATE INDEX objectcacache_exptime ON objectcache (exptime);
 334
 335 CREATE TABLE transcache (
 336   tc_url       TEXT         NOT NULL  UNIQUE,
 337   tc_contents  TEXT         NOT NULL,
 338   tc_time      TIMESTAMPTZ  NOT NULL
 339 );
 340
 341
 342 CREATE TABLE logging (
 343   log_type        TEXT         NOT NULL,
 344   log_action      TEXT         NOT NULL,
 345   log_timestamp   TIMESTAMPTZ  NOT NULL,
 346   log_user        INTEGER                REFERENCES "user"(user_id) ON DELETE SET NULL,
 347   log_namespace   SMALLINT     NOT NULL,
 348   log_title       TEXT         NOT NULL,
 349   log_comment     TEXT,
 350   log_params      TEXT
 351 );
 352 CREATE INDEX logging_type_name ON logging (log_type, log_timestamp);
 353 CREATE INDEX logging_user_time ON logging (log_timestamp, log_user);
 354 CREATE INDEX logging_page_time ON logging (log_namespace, log_title, log_timestamp);
 355
 356
 357 CREATE TABLE trackbacks (
 358   tb_id     SERIAL   NOT NULL  PRIMARY KEY,
 359   tb_page   INTEGER            REFERENCES page(page_id) ON DELETE CASCADE,
 360   tb_title  TEXT     NOT NULL,
 361   tb_url    TEXT     NOT NULL,
 362   tb_ex     TEXT,
 363   tb_name   TEXT
 364 );
 365 CREATE INDEX trackback_page ON trackbacks (tb_page);
 366
 367
 368 CREATE SEQUENCE job_job_id_seq;
 369 CREATE TABLE job (
 370   job_id         INTEGER   NOT NULL  PRIMARY KEY DEFAULT nextval('job_job_id_seq'),
 371   job_cmd        TEXT      NOT NULL,
 372   job_namespace  SMALLINT  NOT NULL,
 373   job_title      TEXT      NOT NULL,
 374   job_params     TEXT      NOT NULL
 375 );
 376 CREATE INDEX job_cmd_namespace_title ON job (job_cmd, job_namespace, job_title);
 377
 378 -- Tsearch2 2 stuff. Will fail if we don't have proper access to the tsearch2 tables
 379
 380 ALTER TABLE page ADD titlevector tsvector;
 381 CREATE INDEX ts2_page_title ON page USING gist(titlevector);
 382 CREATE FUNCTION ts2_page_title() RETURNS TRIGGER LANGUAGE plpgsql AS
 383 $mw$
 384 BEGIN
 385 IF TG_OP = 'INSERT' THEN
 386   NEW.titlevector = to_tsvector(NEW.page_title);
 387 ELSIF NEW.page_title != OLD.page_title THEN
 388   NEW.titlevector := to_tsvector(NEW.page_title);
 389 END IF;
 390 RETURN NEW;
 391 END;
 392 $mw$;
 393
 394 CREATE TRIGGER ts2_page_title BEFORE INSERT OR UPDATE ON page
 395 FOR EACH ROW EXECUTE PROCEDURE ts2_page_title();
 396
 397
 398 ALTER TABLE text ADD textvector tsvector;
 399 CREATE INDEX ts2_page_text ON text USING gist(textvector);
 400 CREATE FUNCTION ts2_page_text() RETURNS TRIGGER LANGUAGE plpgsql AS
 401 $mw$
 402 BEGIN
 403 IF TG_OP = 'INSERT' THEN
 404   NEW.textvector = to_tsvector(NEW.old_text);
 405 ELSIF NEW.old_text != OLD.old_text THEN
 406   NEW.textvector := to_tsvector(NEW.old_text);
 407 END IF;
 408 RETURN NEW;
 409 END;
 410 $mw$;
 411
 412 CREATE TRIGGER ts2_page_text BEFORE INSERT OR UPDATE ON text
 413 FOR EACH ROW EXECUTE PROCEDURE ts2_page_text();
 414
 415 CREATE OR REPLACE FUNCTION add_interwiki (TEXT,INT,CHAR) RETURNS INT LANGUAGE SQL AS
 416 $mw$
 417   INSERT INTO interwiki (iw_prefix, iw_url, iw_local) VALUES ($1,$2,$3);
 418   SELECT 1;
 419 $mw$;
 420 COMMIT;