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