maintenance/tables.sql

   1 -- SQL to create the initial tables for the Wikipedia database.
   2 -- This is read and executed by the install script; you should
   3 -- never have to run it by itself.
   4 --
   5 -- Indexes should be defined here; please import the rest from indexes.sql.
   6
   7 CREATE TABLE user (
   8   user_id int(5) unsigned NOT NULL auto_increment,
   9   user_name varchar(255) binary NOT NULL default '',
  10   user_real_name varchar(255) binary NOT NULL default '',
  11   user_password tinyblob NOT NULL default '',
  12   user_newpassword tinyblob NOT NULL default '',
  13   user_email tinytext NOT NULL default '',
  14   user_options blob NOT NULL default '',
  15   user_touched char(14) binary NOT NULL default '',
  16   user_token char(32) binary NOT NULL default '',
  17   PRIMARY KEY user_id (user_id),
  18   INDEX user_name (user_name(10))
  19 );
  20
  21 -- TODO: de-blob this; it should be a property table
  22 CREATE TABLE user_rights (
  23   user_id int(5) unsigned NOT NULL,
  24   user_rights tinyblob NOT NULL default '',
  25   UNIQUE KEY user_id (user_id)
  26 );
  27
  28 CREATE TABLE user_newtalk (
  29   user_id int(5) NOT NULL default '0',
  30   user_ip varchar(40) NOT NULL default '',
  31   INDEX user_id (user_id),
  32   INDEX user_ip (user_ip)
  33 );
  34
  35 CREATE TABLE cur (
  36   cur_id int(8) unsigned NOT NULL auto_increment,
  37   cur_namespace tinyint(2) unsigned NOT NULL default '0',
  38   cur_title varchar(255) binary NOT NULL default '',
  39   cur_text mediumtext NOT NULL default '',
  40   cur_comment tinyblob NOT NULL default '',
  41   cur_user int(5) unsigned NOT NULL default '0',
  42   cur_user_text varchar(255) binary NOT NULL default '',
  43   cur_timestamp char(14) binary NOT NULL default '',
  44   cur_restrictions tinyblob NOT NULL default '',
  45   cur_counter bigint(20) unsigned NOT NULL default '0',
  46   cur_is_redirect tinyint(1) unsigned NOT NULL default '0',
  47   cur_minor_edit tinyint(1) unsigned NOT NULL default '0',
  48   cur_is_new tinyint(1) unsigned NOT NULL default '0',
  49   cur_random real unsigned NOT NULL,
  50   cur_touched char(14) binary NOT NULL default '',
  51   inverse_timestamp char(14) binary NOT NULL default '',
  52   PRIMARY KEY cur_id (cur_id),
  53   UNIQUE INDEX name_title (cur_namespace,cur_title),
  54
  55   -- Is this one necessary?
  56   INDEX cur_title (cur_title(20)),
  57
  58   INDEX cur_timestamp (cur_timestamp),
  59   INDEX (cur_random),
  60   INDEX name_title_timestamp (cur_namespace,cur_title,inverse_timestamp),
  61   INDEX user_timestamp (cur_user,inverse_timestamp),
  62   INDEX usertext_timestamp (cur_user_text,inverse_timestamp),
  63   INDEX namespace_redirect_timestamp(cur_namespace,cur_is_redirect,cur_timestamp)
  64 );
  65
  66 CREATE TABLE old (
  67   old_id int(8) unsigned NOT NULL auto_increment,
  68   old_namespace tinyint(2) unsigned NOT NULL default '0',
  69   old_title varchar(255) binary NOT NULL default '',
  70   old_text mediumtext NOT NULL default '',
  71   old_comment tinyblob NOT NULL default '',
  72   old_user int(5) unsigned NOT NULL default '0',
  73   old_user_text varchar(255) binary NOT NULL,
  74   old_timestamp char(14) binary NOT NULL default '',
  75   old_minor_edit tinyint(1) NOT NULL default '0',
  76   old_flags tinyblob NOT NULL default '',
  77   inverse_timestamp char(14) binary NOT NULL default '',
  78
  79   PRIMARY KEY old_id (old_id),
  80   INDEX old_timestamp (old_timestamp),
  81   INDEX name_title_timestamp (old_namespace,old_title,inverse_timestamp),
  82   INDEX user_timestamp (old_user,inverse_timestamp),
  83   INDEX usertext_timestamp (old_user_text,inverse_timestamp)
  84 );
  85
  86 CREATE TABLE archive (
  87   ar_namespace tinyint(2) unsigned NOT NULL default '0',
  88   ar_title varchar(255) binary NOT NULL default '',
  89   ar_text mediumtext NOT NULL default '',
  90   ar_comment tinyblob NOT NULL default '',
  91   ar_user int(5) unsigned NOT NULL default '0',
  92   ar_user_text varchar(255) binary NOT NULL,
  93   ar_timestamp char(14) binary NOT NULL default '',
  94   ar_minor_edit tinyint(1) NOT NULL default '0',
  95   ar_flags tinyblob NOT NULL default '',
  96
  97   KEY name_title_timestamp (ar_namespace,ar_title,ar_timestamp)
  98 );
  99
 100 --
 101 -- Track links that do exist
 102 -- l_from and l_to key to cur_id
 103 --
 104 CREATE TABLE links (
 105   l_from int(8) unsigned NOT NULL default '0',
 106   l_to int(8) unsigned NOT NULL default '0',
 107   UNIQUE KEY l_from(l_from,l_to),
 108   KEY (l_to)
 109 );
 110
 111 --
 112 -- Track links to pages that don't yet exist.
 113 -- bl_from keys to cur_id
 114 -- bl_to is a text link (namespace:title)
 115 --
 116 CREATE TABLE brokenlinks (
 117   bl_from int(8) unsigned NOT NULL default '0',
 118   bl_to varchar(255) binary NOT NULL default '',
 119   UNIQUE KEY bl_from(bl_from,bl_to),
 120   KEY (bl_to)
 121 );
 122
 123 --
 124 -- Track links to images *used inline*
 125 -- il_from keys to cur_id, il_to keys to image_name.
 126 -- We don't distinguish live from broken links.
 127 --
 128 CREATE TABLE imagelinks (
 129   il_from int(8) unsigned NOT NULL default '0',
 130   il_to varchar(255) binary NOT NULL default '',
 131   UNIQUE KEY il_from(il_from,il_to),
 132   KEY (il_to)
 133 );
 134
 135 --
 136 -- Track category inclusions *used inline*
 137 -- cl_from keys to cur_id, cl_to keys to cur_title of the category page.
 138 -- cl_sortkey is the title of the linking page or an optional override
 139 -- cl_timestamp marks when the link was last added
 140 --
 141 CREATE TABLE categorylinks (
 142   cl_from int(8) unsigned NOT NULL default '0',
 143   cl_to varchar(255) binary NOT NULL default '',
 144   cl_sortkey varchar(255) binary NOT NULL default '',
 145   cl_timestamp timestamp NOT NULL,
 146   UNIQUE KEY cl_from(cl_from,cl_to),
 147   KEY cl_sortkey(cl_to,cl_sortkey(128)),
 148   KEY cl_timestamp(cl_to,cl_timestamp)
 149 );
 150
 151 --
 152 -- Stores (possibly gzipped) serialized objects with
 153 -- cache arrays to reduce database load slurping up
 154 -- from links and brokenlinks.
 155 --
 156 CREATE TABLE linkscc (
 157   lcc_pageid INT UNSIGNED NOT NULL UNIQUE KEY,
 158   lcc_cacheobj MEDIUMBLOB NOT NULL
 159 );
 160
 161 CREATE TABLE site_stats (
 162   ss_row_id int(8) unsigned NOT NULL,
 163   ss_total_views bigint(20) unsigned default '0',
 164   ss_total_edits bigint(20) unsigned default '0',
 165   ss_good_articles bigint(20) unsigned default '0',
 166   UNIQUE KEY ss_row_id (ss_row_id)
 167 );
 168
 169 CREATE TABLE hitcounter (
 170   hc_id INTEGER UNSIGNED NOT NULL
 171 ) TYPE=HEAP MAX_ROWS=25000;
 172
 173 CREATE TABLE ipblocks (
 174   ipb_id int(8) NOT NULL auto_increment,
 175   ipb_address varchar(40) binary NOT NULL default '',
 176   ipb_user int(8) unsigned NOT NULL default '0',
 177   ipb_by int(8) unsigned NOT NULL default '0',
 178   ipb_reason tinyblob NOT NULL default '',
 179   ipb_timestamp char(14) binary NOT NULL default '',
 180   ipb_auto tinyint(1) NOT NULL default '0',
 181   ipb_expiry char(14) binary NOT NULL default '',
 182
 183   PRIMARY KEY ipb_id (ipb_id),
 184   INDEX ipb_address (ipb_address),
 185   INDEX ipb_user (ipb_user)
 186 );
 187
 188 CREATE TABLE image (
 189   img_name varchar(255) binary NOT NULL default '',
 190   img_size int(8) unsigned NOT NULL default '0',
 191   img_description tinyblob NOT NULL default '',
 192   img_user int(5) unsigned NOT NULL default '0',
 193   img_user_text varchar(255) binary NOT NULL default '',
 194   img_timestamp char(14) binary NOT NULL default '',
 195   PRIMARY KEY img_name (img_name),
 196   INDEX img_size (img_size),
 197   INDEX img_timestamp (img_timestamp)
 198 );
 199
 200 CREATE TABLE oldimage (
 201   oi_name varchar(255) binary NOT NULL default '',
 202   oi_archive_name varchar(255) binary NOT NULL default '',
 203   oi_size int(8) unsigned NOT NULL default 0,
 204   oi_description tinyblob NOT NULL default '',
 205   oi_user int(5) unsigned NOT NULL default '0',
 206   oi_user_text varchar(255) binary NOT NULL default '',
 207   oi_timestamp char(14) binary NOT NULL default '',
 208   INDEX oi_name (oi_name(10))
 209 );
 210
 211 CREATE TABLE recentchanges (
 212   rc_id int(8) NOT NULL auto_increment,
 213   rc_timestamp varchar(14) binary NOT NULL default '',
 214   rc_cur_time varchar(14) binary NOT NULL default '',
 215   rc_user int(10) unsigned NOT NULL default '0',
 216   rc_user_text varchar(255) binary NOT NULL default '',
 217   rc_namespace tinyint(3) NOT NULL default '0',
 218   rc_title varchar(255) binary NOT NULL default '',
 219   rc_comment varchar(255) binary NOT NULL default '',
 220   rc_minor tinyint(3) unsigned NOT NULL default '0',
 221   rc_bot tinyint(3) unsigned NOT NULL default '0',
 222   rc_new tinyint(3) unsigned NOT NULL default '0',
 223   rc_cur_id int(10) unsigned NOT NULL default '0',
 224   rc_this_oldid int(10) unsigned NOT NULL default '0',
 225   rc_last_oldid int(10) unsigned NOT NULL default '0',
 226   rc_type tinyint(3) unsigned NOT NULL default '0',
 227   rc_moved_to_ns tinyint(3) unsigned NOT NULL default '0',
 228   rc_moved_to_title varchar(255) binary NOT NULL default '',
 229   rc_patrolled tinyint(3) unsigned NOT NULL default '0',
 230   rc_ip char(15) NOT NULL default '',
 231
 232   PRIMARY KEY rc_id (rc_id),
 233   INDEX rc_timestamp (rc_timestamp),
 234   INDEX rc_namespace_title (rc_namespace, rc_title),
 235   INDEX rc_cur_id (rc_cur_id),
 236   INDEX new_name_timestamp(rc_new,rc_namespace,rc_timestamp),
 237   INDEX rc_ip (rc_ip)
 238 );
 239
 240 CREATE TABLE watchlist (
 241   wl_user int(5) unsigned NOT NULL,
 242   wl_namespace tinyint(2) unsigned NOT NULL default '0',
 243   wl_title varchar(255) binary NOT NULL default '',
 244   UNIQUE KEY (wl_user, wl_namespace, wl_title),
 245   KEY namespace_title (wl_namespace,wl_title)
 246 );
 247
 248 CREATE TABLE math (
 249   math_inputhash varchar(16) NOT NULL,
 250   math_outputhash varchar(16) NOT NULL,
 251   math_html_conservativeness tinyint(1) NOT NULL,
 252   math_html text,
 253   math_mathml text,
 254   UNIQUE KEY math_inputhash (math_inputhash)
 255 );
 256
 257
 258 -- Table searchindex must be MyISAM for fulltext support
 259
 260 CREATE TABLE searchindex (
 261   si_page int(8) unsigned NOT NULL,
 262   si_title varchar(255) NOT NULL default '',
 263   si_text mediumtext NOT NULL default '',
 264   UNIQUE KEY (si_page),
 265   FULLTEXT si_title (si_title),
 266   FULLTEXT si_text (si_text)
 267
 268 ) TYPE=MyISAM;
 269
 270 CREATE TABLE interwiki (
 271   iw_prefix char(32) NOT NULL,
 272   iw_url char(127) NOT NULL,
 273   iw_local BOOL NOT NULL,
 274   UNIQUE KEY iw_prefix (iw_prefix)
 275 );
 276
 277 -- Used for caching expensive grouped queries
 278 CREATE TABLE querycache (
 279   qc_type char(32) NOT NULL,
 280   qc_value int(5) unsigned NOT NULL default '0',
 281   qc_namespace tinyint(2) unsigned NOT NULL default '0',
 282   qc_title char(255) binary NOT NULL default '',
 283   KEY (qc_type,qc_value)
 284 );
 285
 286 -- For a few generic cache operations if not using Memcached
 287 CREATE TABLE objectcache (
 288   keyname char(255) binary not null default '',
 289   value mediumblob,
 290   exptime datetime,
 291   unique key (keyname),
 292   key (exptime)
 293 );
 294
 295 -- For storing revision text
 296 CREATE TABLE blobs (
 297   blob_index char(255) binary NOT NULL default '',
 298   blob_data longblob NOT NULL default '',
 299   UNIQUE key blob_index (blob_index)
 300 );
 301
 302 -- For article validation
 303
 304 CREATE TABLE `validate` (
 305   `val_user` int(11) NOT NULL default '0',
 306   `val_title` varchar(255) binary NOT NULL default '',
 307   `val_timestamp` varchar(14) binary NOT NULL default '',
 308   `val_type` int(10) unsigned NOT NULL default '0',
 309   `val_value` int(11) default '0',
 310   `val_comment` varchar(255) NOT NULL default '',
 311   KEY `val_user` (`val_user`,`val_title`,`val_timestamp`)
 312 );
 313
 314
 315 CREATE TABLE logging (
 316   -- Symbolic keys for the general log type and the action type
 317   -- within the log. The output format will be controlled by the
 318   -- action field, but only the type controls categorization.
 319   log_type char(10) NOT NULL default '',
 320   log_action char(10) NOT NULL default '',
 321
 322   -- Timestamp. Duh.
 323   log_timestamp char(14) NOT NULL default '19700101000000',
 324
 325   -- The user who performed this action; key to user_id
 326   log_user int unsigned NOT NULL default 0,
 327
 328   -- Key to the page affected. Where a user is the target,
 329   -- this will point to the user page.
 330   log_namespace tinyint unsigned NOT NULL default 0,
 331   log_title varchar(255) NOT NULL default '',
 332
 333   -- Freeform text. Interpreted as edit history comments.
 334   log_comment varchar(255) NOT NULL default '',
 335
 336   KEY type_time (log_type, log_timestamp),
 337   KEY user_time (log_user, log_timestamp),
 338   KEY page_time (log_namespace, log_title, log_timestamp)
 339 );