includes/installer/MysqlUpdater.php

   1 <?php
   2 /**
   3  * MySQL-specific updater.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Deployment
  22  */
  23 use Wikimedia\Rdbms\MySQLField;
  24 use Wikimedia\Rdbms\IDatabase;
  25 use MediaWiki\MediaWikiServices;
  26
  27 /**
  28  * Mysql update list and mysql-specific update functions.
  29  *
  30  * @ingroup Deployment
  31  * @since 1.17
  32  * @property Wikimedia\Rdbms\DatabaseMysqlBase $db
  33  */
  34 class MysqlUpdater extends DatabaseUpdater {
  35         protected function getCoreUpdateList() {
  36                 return [
  37                         [ 'disableContentHandlerUseDB' ],
  38
  39                         // 1.2
  40                         [ 'addField', 'ipblocks', 'ipb_id', 'patch-ipblocks.sql' ],
  41                         [ 'addField', 'ipblocks', 'ipb_expiry', 'patch-ipb_expiry.sql' ],
  42                         [ 'doInterwikiUpdate' ],
  43                         [ 'doIndexUpdate' ],
  44                         [ 'addField', 'recentchanges', 'rc_type', 'patch-rc_type.sql' ],
  45                         [ 'addIndex', 'recentchanges', 'new_name_timestamp', 'patch-rc-newindex.sql' ],
  46
  47                         // 1.3
  48                         [ 'addField', 'user', 'user_real_name', 'patch-user-realname.sql' ],
  49                         [ 'addTable', 'querycache', 'patch-querycache.sql' ],
  50                         [ 'addTable', 'objectcache', 'patch-objectcache.sql' ],
  51                         [ 'addTable', 'categorylinks', 'patch-categorylinks.sql' ],
  52                         [ 'doOldLinksUpdate' ],
  53                         [ 'doFixAncientImagelinks' ],
  54                         [ 'addField', 'recentchanges', 'rc_ip', 'patch-rc_ip.sql' ],
  55
  56                         // 1.4
  57                         [ 'addIndex', 'image', 'PRIMARY', 'patch-image_name_primary.sql' ],
  58                         [ 'addField', 'recentchanges', 'rc_id', 'patch-rc_id.sql' ],
  59                         [ 'addField', 'recentchanges', 'rc_patrolled', 'patch-rc-patrol.sql' ],
  60                         [ 'addTable', 'logging', 'patch-logging.sql' ],
  61                         [ 'addField', 'user', 'user_token', 'patch-user_token.sql' ],
  62                         [ 'addField', 'watchlist', 'wl_notificationtimestamp', 'patch-email-notification.sql' ],
  63                         [ 'doWatchlistUpdate' ],
  64                         [ 'dropField', 'user', 'user_emailauthenticationtimestamp',
  65                                 'patch-email-authentication.sql' ],
  66
  67                         // 1.5
  68                         [ 'doSchemaRestructuring' ],
  69                         [ 'addField', 'logging', 'log_params', 'patch-log_params.sql' ],
  70                         [ 'checkBin', 'logging', 'log_title', 'patch-logging-title.sql', ],
  71                         [ 'addField', 'archive', 'ar_rev_id', 'patch-archive-rev_id.sql' ],
  72                         [ 'addField', 'page', 'page_len', 'patch-page_len.sql' ],
  73                         [ 'dropField', 'revision', 'inverse_timestamp', 'patch-inverse_timestamp.sql' ],
  74                         [ 'addField', 'revision', 'rev_text_id', 'patch-rev_text_id.sql' ],
  75                         [ 'addField', 'revision', 'rev_deleted', 'patch-rev_deleted.sql' ],
  76                         [ 'addField', 'image', 'img_width', 'patch-img_width.sql' ],
  77                         [ 'addField', 'image', 'img_metadata', 'patch-img_metadata.sql' ],
  78                         [ 'addField', 'user', 'user_email_token', 'patch-user_email_token.sql' ],
  79                         [ 'addField', 'archive', 'ar_text_id', 'patch-archive-text_id.sql' ],
  80                         [ 'doNamespaceSize' ],
  81                         [ 'addField', 'image', 'img_media_type', 'patch-img_media_type.sql' ],
  82                         [ 'doPagelinksUpdate' ],
  83                         [ 'dropField', 'image', 'img_type', 'patch-drop_img_type.sql' ],
  84                         [ 'doUserUniqueUpdate' ],
  85                         [ 'doUserGroupsUpdate' ],
  86                         [ 'addField', 'site_stats', 'ss_total_pages', 'patch-ss_total_articles.sql' ],
  87                         [ 'addTable', 'user_newtalk', 'patch-usernewtalk.sql' ],
  88                         [ 'addField', 'interwiki', 'iw_trans', 'patch-interwiki-trans.sql' ],
  89
  90                         // 1.6
  91                         [ 'doWatchlistNull' ],
  92                         [ 'addIndex', 'logging', 'times', 'patch-logging-times-index.sql' ],
  93                         [ 'addField', 'ipblocks', 'ipb_range_start', 'patch-ipb_range_start.sql' ],
  94                         [ 'doPageRandomUpdate' ],
  95                         [ 'addField', 'user', 'user_registration', 'patch-user_registration.sql' ],
  96                         [ 'doTemplatelinksUpdate' ],
  97                         [ 'addTable', 'externallinks', 'patch-externallinks.sql' ],
  98                         [ 'addTable', 'job', 'patch-job.sql' ],
  99                         [ 'addField', 'site_stats', 'ss_images', 'patch-ss_images.sql' ],
 100                         [ 'addTable', 'langlinks', 'patch-langlinks.sql' ],
 101                         [ 'addTable', 'querycache_info', 'patch-querycacheinfo.sql' ],
 102                         [ 'addTable', 'filearchive', 'patch-filearchive.sql' ],
 103                         [ 'addField', 'ipblocks', 'ipb_anon_only', 'patch-ipb_anon_only.sql' ],
 104                         [ 'ifNoActorTable', 'addIndex', 'recentchanges', 'rc_ns_usertext',
 105                                 'patch-recentchanges-utindex.sql' ],
 106                         [ 'ifNoActorTable', 'addIndex', 'recentchanges', 'rc_user_text',
 107                                 'patch-rc_user_text-index.sql' ],
 108
 109                         // 1.9
 110                         [ 'addField', 'user', 'user_newpass_time', 'patch-user_newpass_time.sql' ],
 111                         [ 'addTable', 'redirect', 'patch-redirect.sql' ],
 112                         [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
 113                         [ 'addField', 'ipblocks', 'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ],
 114                         [ 'doBacklinkingIndicesUpdate' ],
 115                         [ 'addField', 'recentchanges', 'rc_old_len', 'patch-rc_len.sql' ],
 116                         [ 'addField', 'user', 'user_editcount', 'patch-user_editcount.sql' ],
 117
 118                         // 1.10
 119                         [ 'doRestrictionsUpdate' ],
 120                         [ 'addField', 'logging', 'log_id', 'patch-log_id.sql' ],
 121                         [ 'addField', 'revision', 'rev_parent_id', 'patch-rev_parent_id.sql' ],
 122                         [ 'addField', 'page_restrictions', 'pr_id', 'patch-page_restrictions_sortkey.sql' ],
 123                         [ 'addField', 'revision', 'rev_len', 'patch-rev_len.sql' ],
 124                         [ 'addField', 'recentchanges', 'rc_deleted', 'patch-rc_deleted.sql' ],
 125                         [ 'addField', 'logging', 'log_deleted', 'patch-log_deleted.sql' ],
 126                         [ 'addField', 'archive', 'ar_deleted', 'patch-ar_deleted.sql' ],
 127                         [ 'addField', 'ipblocks', 'ipb_deleted', 'patch-ipb_deleted.sql' ],
 128                         [ 'addField', 'filearchive', 'fa_deleted', 'patch-fa_deleted.sql' ],
 129                         [ 'addField', 'archive', 'ar_len', 'patch-ar_len.sql' ],
 130
 131                         // 1.11
 132                         [ 'addField', 'ipblocks', 'ipb_block_email', 'patch-ipb_emailban.sql' ],
 133                         [ 'doCategorylinksIndicesUpdate' ],
 134                         [ 'addField', 'oldimage', 'oi_metadata', 'patch-oi_metadata.sql' ],
 135                         [ 'ifNoActorTable', 'addIndex', 'archive', 'usertext_timestamp',
 136                                 'patch-archive-user-index.sql' ],
 137                         [ 'ifNoActorTable', 'addIndex', 'image', 'img_usertext_timestamp',
 138                                 'patch-image-user-index.sql' ],
 139                         [ 'ifNoActorTable', 'addIndex', 'oldimage', 'oi_usertext_timestamp',
 140                                 'patch-oldimage-user-index.sql' ],
 141                         [ 'addField', 'archive', 'ar_page_id', 'patch-archive-page_id.sql' ],
 142                         [ 'addField', 'image', 'img_sha1', 'patch-img_sha1.sql' ],
 143
 144                         // 1.12
 145                         [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
 146
 147                         // 1.13
 148                         [ 'ifNoActorTable', 'addField', 'ipblocks', 'ipb_by_text', 'patch-ipb_by_text.sql' ],
 149                         [ 'addTable', 'page_props', 'patch-page_props.sql' ],
 150                         [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
 151                         [ 'addTable', 'category', 'patch-category.sql' ],
 152                         [ 'doCategoryPopulation' ],
 153                         [ 'addField', 'archive', 'ar_parent_id', 'patch-ar_parent_id.sql' ],
 154                         [ 'addField', 'user_newtalk', 'user_last_timestamp', 'patch-user_last_timestamp.sql' ],
 155                         [ 'doPopulateParentId' ],
 156                         [ 'checkBin', 'protected_titles', 'pt_title', 'patch-pt_title-encoding.sql', ],
 157                         [ 'doMaybeProfilingMemoryUpdate' ],
 158                         [ 'ifNoActorTable', 'doFilearchiveIndicesUpdate' ],
 159
 160                         // 1.14
 161                         [ 'addField', 'site_stats', 'ss_active_users', 'patch-ss_active_users.sql' ],
 162                         [ 'doActiveUsersInit' ],
 163                         [ 'addField', 'ipblocks', 'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ],
 164
 165                         // 1.15
 166                         [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
 167
 168                         // 1.16
 169                         [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
 170                         [ 'addTable', 'log_search', 'patch-log_search.sql' ],
 171                         [ 'ifNoActorTable', 'addField', 'logging', 'log_user_text', 'patch-log_user_text.sql' ],
 172                         # listed separately from the previous update because 1.16 was released without this update
 173                         [ 'ifNoActorTable', 'doLogUsertextPopulation' ],
 174                         [ 'doLogSearchPopulation' ],
 175                         [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
 176                         [ 'dropIndex', 'change_tag', 'ct_rc_id', 'patch-change_tag-indexes.sql' ],
 177                         [ 'addField', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ],
 178                         [ 'doUpdateMimeMinorField' ],
 179
 180                         // 1.17
 181                         [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
 182                         [ 'addIndex', 'iwlinks', 'iwl_prefix_title_from', 'patch-rename-iwl_prefix.sql' ],
 183                         [ 'addField', 'updatelog', 'ul_value', 'patch-ul_value.sql' ],
 184                         [ 'addField', 'interwiki', 'iw_api', 'patch-iw_api_and_wikiid.sql' ],
 185                         [ 'dropIndex', 'iwlinks', 'iwl_prefix', 'patch-kill-iwl_prefix.sql' ],
 186                         [ 'addField', 'categorylinks', 'cl_collation', 'patch-categorylinks-better-collation.sql' ],
 187                         [ 'doClFieldsUpdate' ],
 188                         [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
 189                         [ 'dropIndex', 'archive', 'ar_page_revid', 'patch-archive_kill_ar_page_revid.sql' ],
 190                         [ 'addIndexIfNoneExist',
 191                                 'archive', [ 'ar_revid', 'ar_revid_uniq' ], 'patch-archive_ar_revid.sql' ],
 192                         [ 'doLangLinksLengthUpdate' ],
 193
 194                         // 1.18
 195                         [ 'doUserNewTalkTimestampNotNull' ],
 196                         [ 'addIndex', 'user', 'user_email', 'patch-user_email_index.sql' ],
 197                         [ 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ],
 198                         [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
 199                         [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
 200
 201                         // 1.19
 202                         [ 'addField', 'revision', 'rev_sha1', 'patch-rev_sha1.sql' ],
 203                         [ 'doMigrateUserOptions' ],
 204                         [ 'dropField', 'user', 'user_options', 'patch-drop-user_options.sql' ],
 205                         [ 'addField', 'archive', 'ar_sha1', 'patch-ar_sha1.sql' ],
 206                         [ 'addIndex', 'page', 'page_redirect_namespace_len',
 207                                 'patch-page_redirect_namespace_len.sql' ],
 208                         [ 'addField', 'uploadstash', 'us_chunk_inx', 'patch-uploadstash_chunk.sql' ],
 209                         [ 'addfield', 'job', 'job_timestamp', 'patch-jobs-add-timestamp.sql' ],
 210
 211                         // 1.20
 212                         [ 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ],
 213                         [ 'addField', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id.sql' ],
 214                         [ 'addIndex', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id-index.sql' ],
 215                         [ 'dropField', 'category', 'cat_hidden', 'patch-cat_hidden.sql' ],
 216
 217                         // 1.21
 218                         [ 'addField', 'revision', 'rev_content_format', 'patch-revision-rev_content_format.sql' ],
 219                         [ 'addField', 'revision', 'rev_content_model', 'patch-revision-rev_content_model.sql' ],
 220                         [ 'addField', 'archive', 'ar_content_format', 'patch-archive-ar_content_format.sql' ],
 221                         [ 'addField', 'archive', 'ar_content_model', 'patch-archive-ar_content_model.sql' ],
 222                         [ 'addField', 'page', 'page_content_model', 'patch-page-page_content_model.sql' ],
 223                         [ 'enableContentHandlerUseDB' ],
 224                         [ 'dropField', 'site_stats', 'ss_admins', 'patch-drop-ss_admins.sql' ],
 225                         [ 'dropField', 'recentchanges', 'rc_moved_to_title', 'patch-rc_moved.sql' ],
 226                         [ 'addTable', 'sites', 'patch-sites.sql' ],
 227                         [ 'addField', 'filearchive', 'fa_sha1', 'patch-fa_sha1.sql' ],
 228                         [ 'addField', 'job', 'job_token', 'patch-job_token.sql' ],
 229                         [ 'addField', 'job', 'job_attempts', 'patch-job_attempts.sql' ],
 230                         [ 'doEnableProfiling' ],
 231                         [ 'addField', 'uploadstash', 'us_props', 'patch-uploadstash-us_props.sql' ],
 232                         [ 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ],
 233                         [ 'modifyField', 'user_former_groups', 'ufg_group',
 234                                 'patch-ufg_group-length-increase-255.sql' ],
 235                         [ 'addIndex', 'page_props', 'pp_propname_page',
 236                                 'patch-page_props-propname-page-index.sql' ],
 237                         [ 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ],
 238
 239                         // 1.22
 240                         [ 'doIwlinksIndexNonUnique' ],
 241                         [ 'addIndex', 'iwlinks', 'iwl_prefix_from_title',
 242                                 'patch-iwlinks-from-title-index.sql' ],
 243                         [ 'addField', 'archive', 'ar_id', 'patch-archive-ar_id.sql' ],
 244                         [ 'addField', 'externallinks', 'el_id', 'patch-externallinks-el_id.sql' ],
 245
 246                         // 1.23
 247                         [ 'addField', 'recentchanges', 'rc_source', 'patch-rc_source.sql' ],
 248                         [ 'ifNoActorTable', 'addIndex', 'logging', 'log_user_text_type_time',
 249                                 'patch-logging_user_text_type_time_index.sql' ],
 250                         [ 'ifNoActorTable', 'addIndex', 'logging', 'log_user_text_time',
 251                                 'patch-logging_user_text_time_index.sql' ],
 252                         [ 'addField', 'page', 'page_links_updated', 'patch-page_links_updated.sql' ],
 253                         [ 'addField', 'user', 'user_password_expires', 'patch-user_password_expire.sql' ],
 254
 255                         // 1.24
 256                         [ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
 257                         [ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
 258                         [ 'addIndex', 'watchlist', 'wl_user_notificationtimestamp',
 259                                 'patch-watchlist-user-notificationtimestamp-index.sql' ],
 260                         [ 'addField', 'page', 'page_lang', 'patch-page_lang.sql' ],
 261                         [ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
 262                         [ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
 263                         [ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
 264                         [ 'modifyField', 'image', 'img_major_mime',
 265                                 'patch-img_major_mime-chemical.sql' ],
 266                         [ 'modifyField', 'oldimage', 'oi_major_mime',
 267                                 'patch-oi_major_mime-chemical.sql' ],
 268                         [ 'modifyField', 'filearchive', 'fa_major_mime',
 269                                 'patch-fa_major_mime-chemical.sql' ],
 270
 271                         // 1.25
 272                         // note this patch covers other _comment and _description fields too
 273                         [ 'doExtendCommentLengths' ],
 274
 275                         // 1.26
 276                         [ 'dropTable', 'hitcounter' ],
 277                         [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
 278                         [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
 279
 280                         // 1.27
 281                         [ 'dropTable', 'msg_resource_links' ],
 282                         [ 'dropTable', 'msg_resource' ],
 283                         [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
 284                         [ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
 285                         [ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
 286                         [ 'addIndex', 'categorylinks', 'cl_collation_ext',
 287                                 'patch-add-cl_collation_ext_index.sql' ],
 288                         [ 'doCollationUpdate' ],
 289
 290                         // 1.28
 291                         [ 'addIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
 292                                 'patch-add-rc_name_type_patrolled_timestamp_index.sql' ],
 293                         [ 'doRevisionPageRevIndexNonUnique' ],
 294                         [ 'doNonUniquePlTlIl' ],
 295                         [ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
 296                         [ 'modifyField', 'recentchanges', 'rc_ip', 'patch-rc_ip_modify.sql' ],
 297                         [ 'ifNoActorTable', 'addIndex', 'archive', 'usertext_timestamp',
 298                                 'patch-rename-ar_usertext_timestamp.sql' ],
 299
 300                         // 1.29
 301                         [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
 302                         [ 'dropIndex', 'user_groups', 'ug_user_group', 'patch-user_groups-primary-key.sql' ],
 303                         [ 'addField', 'user_groups', 'ug_expiry', 'patch-user_groups-ug_expiry.sql' ],
 304                         [ 'ifNoActorTable', 'addIndex', 'image', 'img_user_timestamp', 'patch-image-user-index-2.sql' ],
 305
 306                         // 1.30
 307                         [ 'modifyField', 'image', 'img_media_type', 'patch-add-3d.sql' ],
 308                         [ 'addTable', 'ip_changes', 'patch-ip_changes.sql' ],
 309                         [ 'renameIndex', 'categorylinks', 'cl_from', 'PRIMARY', false,
 310                                 'patch-categorylinks-fix-pk.sql' ],
 311                         [ 'renameIndex', 'templatelinks', 'tl_from', 'PRIMARY', false,
 312                                 'patch-templatelinks-fix-pk.sql' ],
 313                         [ 'renameIndex', 'pagelinks', 'pl_from', 'PRIMARY', false, 'patch-pagelinks-fix-pk.sql' ],
 314                         [ 'renameIndex', 'text', 'old_id', 'PRIMARY', false, 'patch-text-fix-pk.sql' ],
 315                         [ 'renameIndex', 'imagelinks', 'il_from', 'PRIMARY', false, 'patch-imagelinks-fix-pk.sql' ],
 316                         [ 'renameIndex', 'iwlinks', 'iwl_from', 'PRIMARY', false, 'patch-iwlinks-fix-pk.sql' ],
 317                         [ 'renameIndex', 'langlinks', 'll_from', 'PRIMARY', false, 'patch-langlinks-fix-pk.sql' ],
 318                         [ 'renameIndex', 'log_search', 'ls_field_val', 'PRIMARY', false, 'patch-log_search-fix-pk.sql' ],
 319                         [ 'renameIndex', 'module_deps', 'md_module_skin', 'PRIMARY', false,
 320                                 'patch-module_deps-fix-pk.sql' ],
 321                         [ 'renameIndex', 'objectcache', 'keyname', 'PRIMARY', false, 'patch-objectcache-fix-pk.sql' ],
 322                         [ 'renameIndex', 'querycache_info', 'qci_type', 'PRIMARY', false,
 323                                 'patch-querycache_info-fix-pk.sql' ],
 324                         [ 'renameIndex', 'site_stats', 'ss_row_id', 'PRIMARY', false, 'patch-site_stats-fix-pk.sql' ],
 325                         [ 'renameIndex', 'user_former_groups', 'ufg_user_group', 'PRIMARY', false,
 326                                 'patch-user_former_groups-fix-pk.sql' ],
 327                         [ 'renameIndex', 'user_properties', 'user_properties_user_property', 'PRIMARY', false,
 328                                 'patch-user_properties-fix-pk.sql' ],
 329                         [ 'addTable', 'comment', 'patch-comment-table.sql' ],
 330                         [ 'addTable', 'revision_comment_temp', 'patch-revision_comment_temp-table.sql' ],
 331                         // image_comment_temp is no longer needed when upgrading to MW 1.31 or newer,
 332                         // as it is dropped later in the update process as part of 'migrateImageCommentTemp'.
 333                         // File kept on disk and the updater entry here for historical purposes.
 334                         // [ 'addTable', 'image_comment_temp', 'patch-image_comment_temp-table.sql' ],
 335                         [ 'addField', 'archive', 'ar_comment_id', 'patch-archive-ar_comment_id.sql' ],
 336                         [ 'addField', 'filearchive', 'fa_description_id', 'patch-filearchive-fa_description_id.sql' ],
 337                         [ 'modifyField', 'image', 'img_description', 'patch-image-img_description-default.sql' ],
 338                         [ 'addField', 'ipblocks', 'ipb_reason_id', 'patch-ipblocks-ipb_reason_id.sql' ],
 339                         [ 'addField', 'logging', 'log_comment_id', 'patch-logging-log_comment_id.sql' ],
 340                         [ 'addField', 'oldimage', 'oi_description_id', 'patch-oldimage-oi_description_id.sql' ],
 341                         [ 'addField', 'protected_titles', 'pt_reason_id', 'patch-protected_titles-pt_reason_id.sql' ],
 342                         [ 'addField', 'recentchanges', 'rc_comment_id', 'patch-recentchanges-rc_comment_id.sql' ],
 343                         [ 'modifyField', 'revision', 'rev_comment', 'patch-revision-rev_comment-default.sql' ],
 344
 345                         // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
 346                         [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
 347
 348                         [ 'migrateComments' ],
 349                         [ 'renameIndex', 'l10n_cache', 'lc_lang_key', 'PRIMARY', false,
 350                                 'patch-l10n_cache-primary-key.sql' ],
 351                         [ 'doUnsignedSyncronisation' ],
 352
 353                         // 1.31
 354                         [ 'addTable', 'slots', 'patch-slots.sql' ],
 355                         [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
 356                         [ 'addTable', 'content', 'patch-content.sql' ],
 357                         [ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
 358                         [ 'addTable', 'content_models', 'patch-content_models.sql' ],
 359                         [ 'migrateArchiveText' ],
 360                         [ 'addTable', 'actor', 'patch-actor-table.sql' ],
 361                         [ 'addTable', 'revision_actor_temp', 'patch-revision_actor_temp-table.sql' ],
 362                         [ 'addField', 'archive', 'ar_actor', 'patch-archive-ar_actor.sql' ],
 363                         [ 'addField', 'ipblocks', 'ipb_by_actor', 'patch-ipblocks-ipb_by_actor.sql' ],
 364                         [ 'addField', 'image', 'img_actor', 'patch-image-img_actor.sql' ],
 365                         [ 'addField', 'oldimage', 'oi_actor', 'patch-oldimage-oi_actor.sql' ],
 366                         [ 'addField', 'filearchive', 'fa_actor', 'patch-filearchive-fa_actor.sql' ],
 367                         [ 'addField', 'recentchanges', 'rc_actor', 'patch-recentchanges-rc_actor.sql' ],
 368                         [ 'addField', 'logging', 'log_actor', 'patch-logging-log_actor.sql' ],
 369                         [ 'migrateActors' ],
 370                         [ 'modifyField', 'revision', 'rev_text_id', 'patch-rev_text_id-default.sql' ],
 371                         [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
 372                         [ 'populateArchiveRevId' ],
 373                         [ 'addIndex', 'recentchanges', 'rc_namespace_title_timestamp',
 374                                 'patch-recentchanges-nttindex.sql' ],
 375
 376                         // 1.32
 377                         [ 'addTable', 'change_tag_def', 'patch-change_tag_def.sql' ],
 378                         [ 'populateExternallinksIndex60' ],
 379                         [ 'modifyfield', 'externallinks', 'el_index_60',
 380                                 'patch-externallinks-el_index_60-drop-default.sql' ],
 381                         [ 'runMaintenance', DeduplicateArchiveRevId::class, 'maintenance/deduplicateArchiveRevId.php' ],
 382                         [ 'addField', 'change_tag', 'ct_tag_id', 'patch-change_tag-tag_id.sql' ],
 383                         [ 'addIndex', 'archive', 'ar_revid_uniq', 'patch-archive-ar_rev_id-unique.sql' ],
 384                         [ 'populateContentTables' ],
 385                         [ 'addIndex', 'logging', 'log_type_action', 'patch-logging-log-type-action-index.sql' ],
 386                         [ 'dropIndex', 'logging', 'type_action', 'patch-logging-drop-type-action-index.sql' ],
 387                         [ 'renameIndex', 'interwiki', 'iw_prefix', 'PRIMARY', false, 'patch-interwiki-fix-pk.sql' ],
 388                         [ 'renameIndex', 'page_props', 'pp_page_propname', 'PRIMARY', false,
 389                                 'patch-page_props-fix-pk.sql' ],
 390                         [ 'renameIndex', 'protected_titles', 'pt_namespace_title', 'PRIMARY', false,
 391                                 'patch-protected_titles-fix-pk.sql' ],
 392                         [ 'renameIndex', 'site_identifiers', 'site_ids_type', 'PRIMARY', false,
 393                                 'patch-site_identifiers-fix-pk.sql' ],
 394                         [ 'addIndex', 'recentchanges', 'rc_this_oldid', 'patch-recentchanges-rc_this_oldid-index.sql' ],
 395                         [ 'dropTable', 'transcache' ],
 396                         [ 'runMaintenance', PopulateChangeTagDef::class, 'maintenance/populateChangeTagDef.php' ],
 397                         [ 'addIndex', 'change_tag', 'change_tag_rc_tag_id',
 398                                 'patch-change_tag-change_tag_rc_tag_id.sql' ],
 399                         [ 'addField', 'ipblocks', 'ipb_sitewide', 'patch-ipb_sitewide.sql' ],
 400                         [ 'addTable', 'ipblocks_restrictions', 'patch-ipblocks_restrictions-table.sql' ],
 401                         [ 'migrateImageCommentTemp' ],
 402
 403                         // 1,33
 404                         [ 'dropField', 'change_tag', 'ct_tag', 'patch-drop-ct_tag.sql' ],
 405                         [ 'dropTable', 'valid_tag' ],
 406                         [ 'dropTable', 'tag_summary' ],
 407                         [ 'dropField', 'protected_titles', 'pt_reason', 'patch-drop-comment-fields.sql' ],
 408                         [ 'modifyTable', 'job', 'patch-job-params-mediumblob.sql' ],
 409
 410                         // 1.34
 411                         [ 'dropIndex', 'archive', 'ar_usertext_timestamp',
 412                                 'patch-drop-archive-ar_usertext_timestamp.sql' ],
 413                         [ 'dropIndex', 'archive', 'usertext_timestamp', 'patch-drop-archive-usertext_timestamp.sql' ],
 414                         [ 'dropField', 'logging', 'log_user', 'patch-drop-user-fields.sql' ],
 415                         [ 'addIndex', 'user_newtalk', 'un_user_ip', 'patch-rename-mysql-user_newtalk-indexes.sql' ],
 416                 ];
 417         }
 418
 419         /**
 420          * 1.4 betas were missing the 'binary' marker from logging.log_title,
 421          * which causes a collation mismatch error on joins in MySQL 4.1.
 422          *
 423          * @param string $table Table name
 424          * @param string $field Field name to check
 425          * @param string $patchFile Path to the patch to correct the field
 426          * @return bool
 427          */
 428         protected function checkBin( $table, $field, $patchFile ) {
 429                 if ( !$this->doTable( $table ) ) {
 430                         return true;
 431                 }
 432
 433                 /** @var MySQLField $fieldInfo */
 434                 $fieldInfo = $this->db->fieldInfo( $table, $field );
 435                 if ( $fieldInfo->isBinary() ) {
 436                         $this->output( "...$table table has correct $field encoding.\n" );
 437                 } else {
 438                         $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" );
 439                 }
 440         }
 441
 442         /**
 443          * Check whether an index contain a field
 444          *
 445          * @param string $table Table name
 446          * @param string $index Index name to check
 447          * @param string $field Field that should be in the index
 448          * @return bool
 449          */
 450         protected function indexHasField( $table, $index, $field ) {
 451                 if ( !$this->doTable( $table ) ) {
 452                         return true;
 453                 }
 454
 455                 $info = $this->db->indexInfo( $table, $index, __METHOD__ );
 456                 if ( $info ) {
 457                         foreach ( $info as $row ) {
 458                                 if ( $row->Column_name == $field ) {
 459                                         $this->output( "...index $index on table $table includes field $field.\n" );
 460
 461                                         return true;
 462                                 }
 463                         }
 464                 }
 465                 $this->output( "...index $index on table $table has no field $field; added.\n" );
 466
 467                 return false;
 468         }
 469
 470         /**
 471          * Check that interwiki table exists; if it doesn't source it
 472          */
 473         protected function doInterwikiUpdate() {
 474                 global $IP;
 475
 476                 if ( !$this->doTable( 'interwiki' ) ) {
 477                         return;
 478                 }
 479
 480                 if ( $this->db->tableExists( "interwiki", __METHOD__ ) ) {
 481                         $this->output( "...already have interwiki table\n" );
 482
 483                         return;
 484                 }
 485
 486                 $this->applyPatch( 'patch-interwiki.sql', false, 'Creating interwiki table' );
 487                 $this->applyPatch(
 488                         "$IP/maintenance/interwiki.sql",
 489                         true,
 490                         'Adding default interwiki definitions'
 491                 );
 492         }
 493
 494         /**
 495          * Check that proper indexes are in place
 496          */
 497         protected function doIndexUpdate() {
 498                 $meta = $this->db->fieldInfo( 'recentchanges', 'rc_timestamp' );
 499                 if ( $meta === false ) {
 500                         throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' );
 501                 }
 502                 if ( $meta->isMultipleKey() ) {
 503                         $this->output( "...indexes seem up to 20031107 standards.\n" );
 504
 505                         return;
 506                 }
 507
 508                 $this->applyPatch( 'patch-indexes.sql', true, "Updating indexes to 20031107" );
 509         }
 510
 511         protected function doOldLinksUpdate() {
 512                 $cl = $this->maintenance->runChild( ConvertLinks::class );
 513                 $cl->execute();
 514         }
 515
 516         protected function doFixAncientImagelinks() {
 517                 $info = $this->db->fieldInfo( 'imagelinks', 'il_from' );
 518                 if ( !$info || $info->type() !== 'string' ) {
 519                         $this->output( "...il_from OK\n" );
 520
 521                         return;
 522                 }
 523
 524                 $applied = $this->applyPatch(
 525                         'patch-fix-il_from.sql',
 526                         false,
 527                         'Fixing ancient broken imagelinks table.'
 528                 );
 529
 530                 if ( $applied ) {
 531                         $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this." );
 532                 }
 533         }
 534
 535         /**
 536          * Check if we need to add talk page rows to the watchlist
 537          */
 538         function doWatchlistUpdate() {
 539                 $talk = $this->db->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__ );
 540                 $nontalk = $this->db->selectField(
 541                         'watchlist',
 542                         'count(*)',
 543                         'NOT (wl_namespace & 1)',
 544                         __METHOD__
 545                 );
 546                 if ( $talk == $nontalk ) {
 547                         $this->output( "...watchlist talk page rows already present.\n" );
 548
 549                         return;
 550                 }
 551
 552                 $insertOpts = [ 'IGNORE' ];
 553                 $selectOpts = [];
 554
 555                 // If wl_id exists, make insertSelect() more replication-safe by
 556                 // ordering on that column. If not, hint that it should be safe anyway.
 557                 if ( $this->db->fieldExists( 'watchlist', 'wl_id', __METHOD__ ) ) {
 558                         $selectOpts['ORDER BY'] = 'wl_id';
 559                 } else {
 560                         $insertOpts[] = 'NO_AUTO_COLUMNS';
 561                 }
 562
 563                 $this->output( "Adding missing watchlist talk page rows... " );
 564                 $this->db->insertSelect( 'watchlist', 'watchlist',
 565                         [
 566                                 'wl_user' => 'wl_user',
 567                                 'wl_namespace' => 'wl_namespace | 1',
 568                                 'wl_title' => 'wl_title',
 569                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 570                         ], [ 'NOT (wl_namespace & 1)' ], __METHOD__, $insertOpts, $selectOpts );
 571                 $this->output( "done.\n" );
 572
 573                 $this->output( "Adding missing watchlist subject page rows... " );
 574                 $this->db->insertSelect( 'watchlist', 'watchlist',
 575                         [
 576                                 'wl_user' => 'wl_user',
 577                                 'wl_namespace' => 'wl_namespace & ~1',
 578                                 'wl_title' => 'wl_title',
 579                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 580                         ], [ 'wl_namespace & 1' ], __METHOD__, $insertOpts, $selectOpts );
 581                 $this->output( "done.\n" );
 582         }
 583
 584         function doSchemaRestructuring() {
 585                 if ( $this->db->tableExists( 'page', __METHOD__ ) ) {
 586                         $this->output( "...page table already exists.\n" );
 587
 588                         return;
 589                 }
 590
 591                 $this->output( "...converting from cur/old to page/revision/text DB structure.\n" );
 592                 $this->output( wfTimestamp( TS_DB ) );
 593                 $this->output( "......checking for duplicate entries.\n" );
 594
 595                 list( $cur, $old, $page, $revision, $text ) = $this->db->tableNamesN(
 596                         'cur',
 597                         'old',
 598                         'page',
 599                         'revision',
 600                         'text'
 601                 );
 602
 603                 $rows = $this->db->query( "
 604                         SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 605                         FROM $cur
 606                         GROUP BY cur_title, cur_namespace
 607                         HAVING c>1",
 608                         __METHOD__
 609                 );
 610
 611                 if ( $rows->numRows() > 0 ) {
 612                         $this->output( wfTimestamp( TS_DB ) );
 613                         $this->output( "......<b>Found duplicate entries</b>\n" );
 614                         $this->output( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 615                         $duplicate = [];
 616                         foreach ( $rows as $row ) {
 617                                 if ( !isset( $duplicate[$row->cur_namespace] ) ) {
 618                                         $duplicate[$row->cur_namespace] = [];
 619                                 }
 620
 621                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 622                                 $this->output( sprintf(
 623                                         "      %-60s %3s %5s\n",
 624                                         $row->cur_title, $row->cur_namespace,
 625                                         $row->c
 626                                 ) );
 627                         }
 628                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 629                         $dupeTitles = [];
 630                         foreach ( $duplicate as $ns => $titles ) {
 631                                 $dupeTitles[] = "( cur_namespace = {$ns} AND cur_title in ("
 632                                         . $this->db->makeList( $titles ) . ") ) \n";
 633                         }
 634                         $sql .= $this->db->makeList( $dupeTitles, IDatabase::LIST_OR );
 635                         # By sorting descending, the most recent entry will be the first in the list.
 636                         # All following entries will be deleted by the next while-loop.
 637                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 638
 639                         $rows = $this->db->query( $sql, __METHOD__ );
 640
 641                         $prev_title = $prev_namespace = false;
 642                         $deleteId = [];
 643
 644                         foreach ( $rows as $row ) {
 645                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 646                                         $deleteId[] = (int)$row->cur_id;
 647                                 }
 648                                 $prev_title = $row->cur_title;
 649                                 $prev_namespace = $row->cur_namespace;
 650                         }
 651                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . implode( ',', $deleteId ) . ')';
 652                         $this->db->query( $sql, __METHOD__ );
 653                         $this->output( wfTimestamp( TS_DB ) );
 654                         $this->output( "......<b>Deleted</b> " . $this->db->affectedRows() . " records.\n" );
 655                 }
 656
 657                 $this->output( wfTimestamp( TS_DB ) );
 658                 $this->output( "......Creating tables.\n" );
 659                 $this->db->query( "CREATE TABLE $page (
 660                         page_id int(8) unsigned NOT NULL auto_increment,
 661                         page_namespace int NOT NULL,
 662                         page_title varchar(255) binary NOT NULL,
 663                         page_restrictions tinyblob NOT NULL,
 664                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 665                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 666                         page_random real unsigned NOT NULL,
 667                         page_touched char(14) binary NOT NULL default '',
 668                         page_latest int(8) unsigned NOT NULL,
 669                         page_len int(8) unsigned NOT NULL,
 670
 671                         PRIMARY KEY page_id (page_id),
 672                         UNIQUE INDEX name_title (page_namespace,page_title),
 673                         INDEX (page_random),
 674                         INDEX (page_len)
 675                         ) ENGINE=InnoDB", __METHOD__ );
 676                 $this->db->query( "CREATE TABLE $revision (
 677                         rev_id int(8) unsigned NOT NULL auto_increment,
 678                         rev_page int(8) unsigned NOT NULL,
 679                         rev_comment tinyblob NOT NULL,
 680                         rev_user int(5) unsigned NOT NULL default '0',
 681                         rev_user_text varchar(255) binary NOT NULL default '',
 682                         rev_timestamp char(14) binary NOT NULL default '',
 683                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 684                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 685                         rev_len int(8) unsigned,
 686                         rev_parent_id int(8) unsigned default NULL,
 687                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 688                         UNIQUE INDEX rev_id (rev_id),
 689                         INDEX rev_timestamp (rev_timestamp),
 690                         INDEX page_timestamp (rev_page,rev_timestamp),
 691                         INDEX user_timestamp (rev_user,rev_timestamp),
 692                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 693                         ) ENGINE=InnoDB", __METHOD__ );
 694
 695                 $this->output( wfTimestamp( TS_DB ) );
 696                 $this->output( "......Locking tables.\n" );
 697                 $this->db->query(
 698                         "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE",
 699                         __METHOD__
 700                 );
 701
 702                 $maxold = intval( $this->db->selectField( 'old', 'max(old_id)', '', __METHOD__ ) );
 703                 $this->output( wfTimestamp( TS_DB ) );
 704                 $this->output( "......maxold is {$maxold}\n" );
 705
 706                 $this->output( wfTimestamp( TS_DB ) );
 707                 global $wgLegacySchemaConversion;
 708                 if ( $wgLegacySchemaConversion ) {
 709                         // Create HistoryBlobCurStub entries.
 710                         // Text will be pulled from the leftover 'cur' table at runtime.
 711                         $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 712                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 713                         $cur_flags = "'object'";
 714                 } else {
 715                         // Copy all cur text in immediately: this may take longer but avoids
 716                         // having to keep an extra table around.
 717                         $this->output( "......Moving text from cur.\n" );
 718                         $cur_text = 'cur_text';
 719                         $cur_flags = "''";
 720                 }
 721                 $this->db->query(
 722                         "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user,
 723                                 old_user_text, old_timestamp, old_minor_edit, old_flags)
 724                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text,
 725                                 cur_timestamp, cur_minor_edit, $cur_flags
 726                         FROM $cur",
 727                         __METHOD__
 728                 );
 729
 730                 $this->output( wfTimestamp( TS_DB ) );
 731                 $this->output( "......Setting up revision table.\n" );
 732                 $this->db->query(
 733                         "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user,
 734                                 rev_user_text, rev_timestamp, rev_minor_edit)
 735                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 736                                 old_timestamp, old_minor_edit
 737                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title",
 738                         __METHOD__
 739                 );
 740
 741                 $this->output( wfTimestamp( TS_DB ) );
 742                 $this->output( "......Setting up page table.\n" );
 743                 $this->db->query(
 744                         "INSERT INTO $page (page_id, page_namespace, page_title,
 745                                 page_restrictions, page_is_redirect, page_is_new, page_random,
 746                                 page_touched, page_latest, page_len)
 747                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions,
 748                                 cur_is_redirect, cur_is_new, cur_random, cur_touched, rev_id, LENGTH(cur_text)
 749                         FROM $cur,$revision
 750                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}",
 751                         __METHOD__
 752                 );
 753
 754                 $this->output( wfTimestamp( TS_DB ) );
 755                 $this->output( "......Unlocking tables.\n" );
 756                 $this->db->query( "UNLOCK TABLES", __METHOD__ );
 757
 758                 $this->output( wfTimestamp( TS_DB ) );
 759                 $this->output( "......Renaming old.\n" );
 760                 $this->db->query( "ALTER TABLE $old RENAME TO $text", __METHOD__ );
 761
 762                 $this->output( wfTimestamp( TS_DB ) );
 763                 $this->output( "...done.\n" );
 764         }
 765
 766         protected function doNamespaceSize() {
 767                 $tables = [
 768                         'page' => 'page',
 769                         'archive' => 'ar',
 770                         'recentchanges' => 'rc',
 771                         'watchlist' => 'wl',
 772                         'querycache' => 'qc',
 773                         'logging' => 'log',
 774                 ];
 775                 foreach ( $tables as $table => $prefix ) {
 776                         $field = $prefix . '_namespace';
 777
 778                         $tablename = $this->db->tableName( $table );
 779                         $result = $this->db->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__ );
 780                         $info = $this->db->fetchObject( $result );
 781
 782                         if ( substr( $info->Type, 0, 3 ) == 'int' ) {
 783                                 $this->output( "...$field is already a full int ($info->Type).\n" );
 784                         } else {
 785                                 $this->output( "Promoting $field from $info->Type to int... " );
 786                                 $this->db->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__ );
 787                                 $this->output( "done.\n" );
 788                         }
 789                 }
 790         }
 791
 792         protected function doPagelinksUpdate() {
 793                 if ( $this->db->tableExists( 'pagelinks', __METHOD__ ) ) {
 794                         $this->output( "...already have pagelinks table.\n" );
 795
 796                         return;
 797                 }
 798
 799                 $this->applyPatch(
 800                         'patch-pagelinks.sql',
 801                         false,
 802                         'Converting links and brokenlinks tables to pagelinks'
 803                 );
 804
 805                 foreach (
 806                         MediaWikiServices::getInstance()->getContentLanguage()->getNamespaces() as $ns => $name
 807                 ) {
 808                         if ( $ns == 0 ) {
 809                                 continue;
 810                         }
 811
 812                         $this->output( "Cleaning up broken links for namespace $ns... " );
 813                         $this->db->update( 'pagelinks',
 814                                 [
 815                                         'pl_namespace' => $ns,
 816                                         "pl_title = TRIM(LEADING {$this->db->addQuotes( "$name:" )} FROM pl_title)",
 817                                 ],
 818                                 [
 819                                         'pl_namespace' => 0,
 820                                         'pl_title' . $this->db->buildLike( "$name:", $this->db->anyString() ),
 821                                 ],
 822                                 __METHOD__
 823                         );
 824                         $this->output( "done.\n" );
 825                 }
 826         }
 827
 828         protected function doUserUniqueUpdate() {
 829                 if ( !$this->doTable( 'user' ) ) {
 830                         return true;
 831                 }
 832
 833                 $duper = new UserDupes( $this->db, [ $this, 'output' ] );
 834                 if ( $duper->hasUniqueIndex() ) {
 835                         $this->output( "...already have unique user_name index.\n" );
 836
 837                         return;
 838                 }
 839
 840                 if ( !$duper->clearDupes() ) {
 841                         $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 842                 }
 843                 $this->applyPatch( 'patch-user_nameindex.sql', false, "Adding unique index on user_name" );
 844         }
 845
 846         protected function doUserGroupsUpdate() {
 847                 if ( !$this->doTable( 'user_groups' ) ) {
 848                         return true;
 849                 }
 850
 851                 if ( $this->db->tableExists( 'user_groups', __METHOD__ ) ) {
 852                         $info = $this->db->fieldInfo( 'user_groups', 'ug_group' );
 853                         if ( $info->type() == 'int' ) {
 854                                 $oldug = $this->db->tableName( 'user_groups' );
 855                                 $newug = $this->db->tableName( 'user_groups_bogus' );
 856                                 $this->output( "user_groups table exists but is in bogus intermediate " .
 857                                         "format. Renaming to $newug... " );
 858                                 $this->db->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__ );
 859                                 $this->output( "done.\n" );
 860
 861                                 $this->applyPatch( 'patch-user_groups.sql', false, "Re-adding fresh user_groups table" );
 862
 863                                 $this->output( "***\n" );
 864                                 $this->output( "*** WARNING: You will need to manually fix up user " .
 865                                         "permissions in the user_groups\n" );
 866                                 $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 867                                 $this->output( "***\n" );
 868                         } else {
 869                                 $this->output( "...user_groups table exists and is in current format.\n" );
 870                         }
 871
 872                         return;
 873                 }
 874
 875                 $this->applyPatch( 'patch-user_groups.sql', false, "Adding user_groups table" );
 876
 877                 if ( !$this->db->tableExists( 'user_rights', __METHOD__ ) ) {
 878                         if ( $this->db->fieldExists( 'user', 'user_rights', __METHOD__ ) ) {
 879                                 $this->applyPatch(
 880                                         'patch-user_rights.sql',
 881                                         false,
 882                                         'Upgrading from a 1.3 or older database? Breaking out user_rights for conversion'
 883                                 );
 884                         } else {
 885                                 $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 886                                 $this->output( "*** You may need to manually configure some sysops by manipulating\n" );
 887                                 $this->output( "*** the user_groups table.\n" );
 888
 889                                 return;
 890                         }
 891                 }
 892
 893                 $this->output( "Converting user_rights table to user_groups... " );
 894                 $result = $this->db->select( 'user_rights',
 895                         [ 'ur_user', 'ur_rights' ],
 896                         [ "ur_rights != ''" ],
 897                         __METHOD__ );
 898
 899                 foreach ( $result as $row ) {
 900                         $groups = array_unique(
 901                                 array_map( 'trim',
 902                                         explode( ',', $row->ur_rights ) ) );
 903
 904                         foreach ( $groups as $group ) {
 905                                 $this->db->insert( 'user_groups',
 906                                         [
 907                                                 'ug_user' => $row->ur_user,
 908                                                 'ug_group' => $group ],
 909                                         __METHOD__ );
 910                         }
 911                 }
 912                 $this->output( "done.\n" );
 913         }
 914
 915         /**
 916          * Make sure wl_notificationtimestamp can be NULL,
 917          * and update old broken items.
 918          */
 919         protected function doWatchlistNull() {
 920                 $info = $this->db->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 921                 if ( !$info ) {
 922                         return;
 923                 }
 924                 if ( $info->isNullable() ) {
 925                         $this->output( "...wl_notificationtimestamp is already nullable.\n" );
 926
 927                         return;
 928                 }
 929
 930                 $this->applyPatch(
 931                         'patch-watchlist-null.sql',
 932                         false,
 933                         'Making wl_notificationtimestamp nullable'
 934                 );
 935         }
 936
 937         /**
 938          * Set page_random field to a random value where it is equals to 0.
 939          *
 940          * @see T5946
 941          */
 942         protected function doPageRandomUpdate() {
 943                 $page = $this->db->tableName( 'page' );
 944                 $this->db->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__ );
 945                 $rows = $this->db->affectedRows();
 946
 947                 if ( $rows ) {
 948                         $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" );
 949                 } else {
 950                         $this->output( "...no page_random rows needed to be set\n" );
 951                 }
 952         }
 953
 954         protected function doTemplatelinksUpdate() {
 955                 if ( $this->db->tableExists( 'templatelinks', __METHOD__ ) ) {
 956                         $this->output( "...templatelinks table already exists\n" );
 957
 958                         return;
 959                 }
 960
 961                 $this->applyPatch( 'patch-templatelinks.sql', false, "Creating templatelinks table" );
 962
 963                 $this->output( "Populating...\n" );
 964                 $services = MediaWikiServices::getInstance();
 965                 if ( $services->getDBLoadBalancer()->getServerCount() > 1 ) {
 966                         // Slow, replication-friendly update
 967                         $res = $this->db->select( 'pagelinks', [ 'pl_from', 'pl_namespace', 'pl_title' ],
 968                                 [ 'pl_namespace' => NS_TEMPLATE ], __METHOD__ );
 969                         $count = 0;
 970                         foreach ( $res as $row ) {
 971                                 $count = ( $count + 1 ) % 100;
 972                                 if ( $count == 0 ) {
 973                                         $lbFactory = $services->getDBLoadBalancerFactory();
 974                                         $lbFactory->waitForReplication( [
 975                                                 'domain' => $lbFactory->getLocalDomainID(),
 976                                                 'timeout' => self::REPLICATION_WAIT_TIMEOUT
 977                                         ] );
 978                                 }
 979                                 $this->db->insert( 'templatelinks',
 980                                         [
 981                                                 'tl_from' => $row->pl_from,
 982                                                 'tl_namespace' => $row->pl_namespace,
 983                                                 'tl_title' => $row->pl_title,
 984                                         ], __METHOD__
 985                                 );
 986                         }
 987                 } else {
 988                         // Fast update
 989                         $this->db->insertSelect( 'templatelinks', 'pagelinks',
 990                                 [
 991                                         'tl_from' => 'pl_from',
 992                                         'tl_namespace' => 'pl_namespace',
 993                                         'tl_title' => 'pl_title'
 994                                 ], [
 995                                         'pl_namespace' => 10
 996                                 ], __METHOD__,
 997                                 [ 'NO_AUTO_COLUMNS' ] // There's no "tl_id" auto-increment field
 998                         );
 999                 }
1000                 $this->output( "Done. Please run maintenance/refreshLinks.php for a more " .
1001                         "thorough templatelinks update.\n" );
1002         }
1003
1004         protected function doBacklinkingIndicesUpdate() {
1005                 if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
1006                         !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
1007                         !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' )
1008                 ) {
1009                         $this->applyPatch( 'patch-backlinkindexes.sql', false, "Updating backlinking indices" );
1010                 }
1011         }
1012
1013         /**
1014          * Adding page_restrictions table, obsoleting page.page_restrictions.
1015          * Migrating old restrictions to new table
1016          * -- Andrew Garrett, January 2007.
1017          */
1018         protected function doRestrictionsUpdate() {
1019                 if ( $this->db->tableExists( 'page_restrictions', __METHOD__ ) ) {
1020                         $this->output( "...page_restrictions table already exists.\n" );
1021
1022                         return;
1023                 }
1024
1025                 $this->applyPatch(
1026                         'patch-page_restrictions.sql',
1027                         false,
1028                         'Creating page_restrictions table (1/2)'
1029                 );
1030                 $this->applyPatch(
1031                         'patch-page_restrictions_sortkey.sql',
1032                         false,
1033                         'Creating page_restrictions table (2/2)'
1034                 );
1035                 $this->output( "done.\n" );
1036
1037                 $this->output( "Migrating old restrictions to new table...\n" );
1038                 $task = $this->maintenance->runChild( UpdateRestrictions::class );
1039                 $task->execute();
1040         }
1041
1042         protected function doCategorylinksIndicesUpdate() {
1043                 if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) {
1044                         $this->applyPatch( 'patch-categorylinksindex.sql', false, "Updating categorylinks Indices" );
1045                 }
1046         }
1047
1048         protected function doCategoryPopulation() {
1049                 if ( $this->updateRowExists( 'populate category' ) ) {
1050                         $this->output( "...category table already populated.\n" );
1051
1052                         return;
1053                 }
1054
1055                 $this->output(
1056                         "Populating category table, printing progress markers. " .
1057                         "For large databases, you\n" .
1058                         "may want to hit Ctrl-C and do this manually with maintenance/\n" .
1059                         "populateCategory.php.\n"
1060                 );
1061                 $task = $this->maintenance->runChild( PopulateCategory::class );
1062                 $task->execute();
1063                 $this->output( "Done populating category table.\n" );
1064         }
1065
1066         protected function doPopulateParentId() {
1067                 if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) {
1068                         $this->output(
1069                                 "Populating rev_parent_id fields, printing progress markers. For large\n" .
1070                                 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1071                                 "maintenance/populateParentId.php.\n" );
1072
1073                         $task = $this->maintenance->runChild( PopulateParentId::class );
1074                         $task->execute();
1075                 }
1076         }
1077
1078         protected function doMaybeProfilingMemoryUpdate() {
1079                 if ( !$this->doTable( 'profiling' ) ) {
1080                         return true;
1081                 }
1082
1083                 if ( !$this->db->tableExists( 'profiling', __METHOD__ ) ) {
1084                         return true;
1085                 } elseif ( $this->db->fieldExists( 'profiling', 'pf_memory', __METHOD__ ) ) {
1086                         $this->output( "...profiling table has pf_memory field.\n" );
1087
1088                         return true;
1089                 }
1090
1091                 return $this->applyPatch(
1092                         'patch-profiling-memory.sql',
1093                         false,
1094                         'Adding pf_memory field to table profiling'
1095                 );
1096         }
1097
1098         protected function doFilearchiveIndicesUpdate() {
1099                 $info = $this->db->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1100                 if ( !$info ) {
1101                         $this->applyPatch( 'patch-filearchive-user-index.sql', false, "Updating filearchive indices" );
1102                 }
1103
1104                 return true;
1105         }
1106
1107         protected function doNonUniquePlTlIl() {
1108                 $info = $this->db->indexInfo( 'pagelinks', 'pl_namespace' );
1109                 if ( is_array( $info ) && $info[0]->Non_unique ) {
1110                         $this->output( "...pl_namespace, tl_namespace, il_to indices are already non-UNIQUE.\n" );
1111
1112                         return true;
1113                 }
1114                 if ( $this->skipSchema ) {
1115                         $this->output( "...skipping schema change (making pl_namespace, tl_namespace " .
1116                                 "and il_to indices non-UNIQUE).\n" );
1117
1118                         return false;
1119                 }
1120
1121                 return $this->applyPatch(
1122                         'patch-pl-tl-il-nonunique.sql',
1123                         false,
1124                         'Making pl_namespace, tl_namespace and il_to indices non-UNIQUE'
1125                 );
1126         }
1127
1128         protected function doUpdateMimeMinorField() {
1129                 if ( $this->updateRowExists( 'mime_minor_length' ) ) {
1130                         $this->output( "...*_mime_minor fields are already long enough.\n" );
1131
1132                         return;
1133                 }
1134
1135                 $this->applyPatch(
1136                         'patch-mime_minor_length.sql',
1137                         false,
1138                         'Altering all *_mime_minor fields to 100 bytes in size'
1139                 );
1140         }
1141
1142         protected function doClFieldsUpdate() {
1143                 if ( $this->updateRowExists( 'cl_fields_update' ) ) {
1144                         $this->output( "...categorylinks up-to-date.\n" );
1145
1146                         return;
1147                 }
1148
1149                 $this->applyPatch(
1150                         'patch-categorylinks-better-collation2.sql',
1151                         false,
1152                         'Updating categorylinks (again)'
1153                 );
1154         }
1155
1156         protected function doLangLinksLengthUpdate() {
1157                 $langlinks = $this->db->tableName( 'langlinks' );
1158                 $res = $this->db->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" );
1159                 $row = $this->db->fetchObject( $res );
1160
1161                 if ( $row && $row->Type == "varbinary(10)" ) {
1162                         $this->applyPatch(
1163                                 'patch-langlinks-ll_lang-20.sql',
1164                                 false,
1165                                 'Updating length of ll_lang in langlinks'
1166                         );
1167                 } else {
1168                         $this->output( "...ll_lang is up-to-date.\n" );
1169                 }
1170         }
1171
1172         protected function doUserNewTalkTimestampNotNull() {
1173                 if ( !$this->doTable( 'user_newtalk' ) ) {
1174                         return true;
1175                 }
1176
1177                 $info = $this->db->fieldInfo( 'user_newtalk', 'user_last_timestamp' );
1178                 if ( $info === false ) {
1179                         return;
1180                 }
1181                 if ( $info->isNullable() ) {
1182                         $this->output( "...user_last_timestamp is already nullable.\n" );
1183
1184                         return;
1185                 }
1186
1187                 $this->applyPatch(
1188                         'patch-user-newtalk-timestamp-null.sql',
1189                         false,
1190                         'Making user_last_timestamp nullable'
1191                 );
1192         }
1193
1194         protected function doIwlinksIndexNonUnique() {
1195                 $info = $this->db->indexInfo( 'iwlinks', 'iwl_prefix_title_from' );
1196                 if ( is_array( $info ) && $info[0]->Non_unique ) {
1197                         $this->output( "...iwl_prefix_title_from index is already non-UNIQUE.\n" );
1198
1199                         return true;
1200                 }
1201                 if ( $this->skipSchema ) {
1202                         $this->output( "...skipping schema change (making iwl_prefix_title_from index non-UNIQUE).\n" );
1203
1204                         return false;
1205                 }
1206
1207                 return $this->applyPatch(
1208                         'patch-iwl_prefix_title_from-non-unique.sql',
1209                         false,
1210                         'Making iwl_prefix_title_from index non-UNIQUE'
1211                 );
1212         }
1213
1214         protected function doUnsignedSyncronisation() {
1215                 $sync = [
1216                         [ 'table' => 'bot_passwords', 'field' => 'bp_user' ],
1217                         [ 'table' => 'change_tag', 'field' => 'ct_log_id' ],
1218                         [ 'table' => 'change_tag', 'field' => 'ct_rev_id' ],
1219                         [ 'table' => 'page_restrictions', 'field' => 'pr_user' ],
1220                         [ 'table' => 'user_newtalk', 'field' => 'user_id' ],
1221                         [ 'table' => 'user_properties', 'field' => 'up_user' ],
1222                 ];
1223
1224                 foreach ( $sync as $s ) {
1225                         if ( !$this->doTable( $s['table'] ) ) {
1226                                 continue;
1227                         }
1228
1229                         $info = $this->db->fieldInfo( $s['table'], $s['field'] );
1230                         if ( $info === false ) {
1231                                 continue;
1232                         }
1233                         $fullName = "{$s['table']}.{$s['field']}";
1234                         if ( $info->isUnsigned() ) {
1235                                 $this->output( "...$fullName is already unsigned int.\n" );
1236
1237                                 continue;
1238                         }
1239
1240                         $this->applyPatch(
1241                                 "patch-{$s['table']}-{$s['field']}-unsigned.sql",
1242                                 false,
1243                                 "Making $fullName into an unsigned int"
1244                         );
1245                 }
1246
1247                 return true;
1248         }
1249
1250         protected function doRevisionPageRevIndexNonUnique() {
1251                 if ( !$this->doTable( 'revision' ) ) {
1252                         return true;
1253                 } elseif ( !$this->db->indexExists( 'revision', 'rev_page_id' ) ) {
1254                         $this->output( "...rev_page_id index not found on revision.\n" );
1255                         return true;
1256                 }
1257
1258                 if ( !$this->db->indexUnique( 'revision', 'rev_page_id' ) ) {
1259                         $this->output( "...rev_page_id index already non-unique.\n" );
1260                         return true;
1261                 }
1262
1263                 return $this->applyPatch(
1264                         'patch-revision-page-rev-index-nonunique.sql',
1265                         false,
1266                         'Making rev_page_id index non-unique'
1267                 );
1268         }
1269
1270         protected function doExtendCommentLengths() {
1271                 $table = $this->db->tableName( 'revision' );
1272                 $res = $this->db->query( "SHOW COLUMNS FROM $table LIKE 'rev_comment'" );
1273                 $row = $this->db->fetchObject( $res );
1274
1275                 if ( $row && ( $row->Type !== "varbinary(767)" || $row->Default !== "" ) ) {
1276                         $this->applyPatch(
1277                                 'patch-editsummary-length.sql',
1278                                 false,
1279                                 'Extending edit summary lengths (and setting defaults)'
1280                         );
1281                 } else {
1282                         $this->output( "...comment fields are up to date.\n" );
1283                 }
1284         }
1285
1286         public function getSchemaVars() {
1287                 global $wgDBTableOptions;
1288
1289                 $vars = [];
1290                 $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
1291                 $vars['wgDBTableOptions'] = str_replace(
1292                         'CHARSET=mysql4',
1293                         'CHARSET=binary',
1294                         $vars['wgDBTableOptions']
1295                 );
1296
1297                 return $vars;
1298         }
1299 }