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
 331                         // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
 332                         [ 'addField', 'image', 'img_description_id', 'patch-image-img_description_id.sql' ],
 333
 334                         [ 'migrateComments' ],
 335                         [ 'renameIndex', 'l10n_cache', 'lc_lang_key', 'PRIMARY', false,
 336                                 'patch-l10n_cache-primary-key.sql' ],
 337                         [ 'doUnsignedSyncronisation' ],
 338
 339                         // 1.31
 340                         [ 'addTable', 'slots', 'patch-slots.sql' ],
 341                         [ 'addField', 'slots', 'slot_origin', 'patch-slot-origin.sql' ],
 342                         [ 'addTable', 'content', 'patch-content.sql' ],
 343                         [ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
 344                         [ 'addTable', 'content_models', 'patch-content_models.sql' ],
 345                         [ 'migrateArchiveText' ],
 346                         [ 'addTable', 'actor', 'patch-actor-table.sql' ],
 347                         [ 'migrateActors' ],
 348                         [ 'modifyField', 'revision', 'rev_text_id', 'patch-rev_text_id-default.sql' ],
 349                         [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
 350                         [ 'populateArchiveRevId' ],
 351                         [ 'addIndex', 'recentchanges', 'rc_namespace_title_timestamp',
 352                                 'patch-recentchanges-nttindex.sql' ],
 353
 354                         // 1.32
 355                         [ 'addTable', 'change_tag_def', 'patch-change_tag_def.sql' ],
 356                         [ 'populateExternallinksIndex60' ],
 357                         [ 'modifyfield', 'externallinks', 'el_index_60',
 358                                 'patch-externallinks-el_index_60-drop-default.sql' ],
 359                         [ 'runMaintenance', DeduplicateArchiveRevId::class, 'maintenance/deduplicateArchiveRevId.php' ],
 360                         [ 'addField', 'change_tag', 'ct_tag_id', 'patch-change_tag-tag_id.sql' ],
 361                         [ 'addIndex', 'archive', 'ar_revid_uniq', 'patch-archive-ar_rev_id-unique.sql' ],
 362                         [ 'populateContentTables' ],
 363                         [ 'addIndex', 'logging', 'log_type_action', 'patch-logging-log-type-action-index.sql' ],
 364                         [ 'dropIndex', 'logging', 'type_action', 'patch-logging-drop-type-action-index.sql' ],
 365                         [ 'renameIndex', 'interwiki', 'iw_prefix', 'PRIMARY', false, 'patch-interwiki-fix-pk.sql' ],
 366                         [ 'renameIndex', 'page_props', 'pp_page_propname', 'PRIMARY', false,
 367                                 'patch-page_props-fix-pk.sql' ],
 368                         [ 'renameIndex', 'protected_titles', 'pt_namespace_title', 'PRIMARY', false,
 369                                 'patch-protected_titles-fix-pk.sql' ],
 370                         [ 'renameIndex', 'site_identifiers', 'site_ids_type', 'PRIMARY', false,
 371                                 'patch-site_identifiers-fix-pk.sql' ],
 372                         [ 'addIndex', 'recentchanges', 'rc_this_oldid', 'patch-recentchanges-rc_this_oldid-index.sql' ],
 373                         [ 'dropTable', 'transcache' ],
 374                         [ 'runMaintenance', PopulateChangeTagDef::class, 'maintenance/populateChangeTagDef.php' ],
 375                         [ 'addIndex', 'change_tag', 'change_tag_rc_tag_id',
 376                                 'patch-change_tag-change_tag_rc_tag_id.sql' ],
 377                         [ 'addField', 'ipblocks', 'ipb_sitewide', 'patch-ipb_sitewide.sql' ],
 378                         [ 'addTable', 'ipblocks_restrictions', 'patch-ipblocks_restrictions-table.sql' ],
 379                         [ 'migrateImageCommentTemp' ],
 380
 381                         // 1,33
 382                         [ 'dropField', 'change_tag', 'ct_tag', 'patch-drop-ct_tag.sql' ],
 383                         [ 'dropTable', 'valid_tag' ],
 384                         [ 'dropTable', 'tag_summary' ],
 385                         [ 'dropField', 'protected_titles', 'pt_reason', 'patch-drop-comment-fields.sql' ],
 386                         [ 'modifyTable', 'job', 'patch-job-params-mediumblob.sql' ],
 387
 388                         // 1.34
 389                         [ 'dropIndex', 'archive', 'ar_usertext_timestamp',
 390                                 'patch-drop-archive-ar_usertext_timestamp.sql' ],
 391                         [ 'dropIndex', 'archive', 'usertext_timestamp', 'patch-drop-archive-usertext_timestamp.sql' ],
 392                         [ 'dropField', 'logging', 'log_user', 'patch-drop-user-fields.sql' ],
 393                 ];
 394         }
 395
 396         /**
 397          * 1.4 betas were missing the 'binary' marker from logging.log_title,
 398          * which causes a collation mismatch error on joins in MySQL 4.1.
 399          *
 400          * @param string $table Table name
 401          * @param string $field Field name to check
 402          * @param string $patchFile Path to the patch to correct the field
 403          * @return bool
 404          */
 405         protected function checkBin( $table, $field, $patchFile ) {
 406                 if ( !$this->doTable( $table ) ) {
 407                         return true;
 408                 }
 409
 410                 /** @var MySQLField $fieldInfo */
 411                 $fieldInfo = $this->db->fieldInfo( $table, $field );
 412                 if ( $fieldInfo->isBinary() ) {
 413                         $this->output( "...$table table has correct $field encoding.\n" );
 414                 } else {
 415                         $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" );
 416                 }
 417         }
 418
 419         /**
 420          * Check whether an index contain a field
 421          *
 422          * @param string $table Table name
 423          * @param string $index Index name to check
 424          * @param string $field Field that should be in the index
 425          * @return bool
 426          */
 427         protected function indexHasField( $table, $index, $field ) {
 428                 if ( !$this->doTable( $table ) ) {
 429                         return true;
 430                 }
 431
 432                 $info = $this->db->indexInfo( $table, $index, __METHOD__ );
 433                 if ( $info ) {
 434                         foreach ( $info as $row ) {
 435                                 if ( $row->Column_name == $field ) {
 436                                         $this->output( "...index $index on table $table includes field $field.\n" );
 437
 438                                         return true;
 439                                 }
 440                         }
 441                 }
 442                 $this->output( "...index $index on table $table has no field $field; added.\n" );
 443
 444                 return false;
 445         }
 446
 447         /**
 448          * Check that interwiki table exists; if it doesn't source it
 449          */
 450         protected function doInterwikiUpdate() {
 451                 global $IP;
 452
 453                 if ( !$this->doTable( 'interwiki' ) ) {
 454                         return;
 455                 }
 456
 457                 if ( $this->db->tableExists( "interwiki", __METHOD__ ) ) {
 458                         $this->output( "...already have interwiki table\n" );
 459
 460                         return;
 461                 }
 462
 463                 $this->applyPatch( 'patch-interwiki.sql', false, 'Creating interwiki table' );
 464                 $this->applyPatch(
 465                         "$IP/maintenance/interwiki.sql",
 466                         true,
 467                         'Adding default interwiki definitions'
 468                 );
 469         }
 470
 471         /**
 472          * Check that proper indexes are in place
 473          */
 474         protected function doIndexUpdate() {
 475                 $meta = $this->db->fieldInfo( 'recentchanges', 'rc_timestamp' );
 476                 if ( $meta === false ) {
 477                         throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' );
 478                 }
 479                 if ( $meta->isMultipleKey() ) {
 480                         $this->output( "...indexes seem up to 20031107 standards.\n" );
 481
 482                         return;
 483                 }
 484
 485                 $this->applyPatch( 'patch-indexes.sql', true, "Updating indexes to 20031107" );
 486         }
 487
 488         protected function doOldLinksUpdate() {
 489                 $cl = $this->maintenance->runChild( ConvertLinks::class );
 490                 $cl->execute();
 491         }
 492
 493         protected function doFixAncientImagelinks() {
 494                 $info = $this->db->fieldInfo( 'imagelinks', 'il_from' );
 495                 if ( !$info || $info->type() !== 'string' ) {
 496                         $this->output( "...il_from OK\n" );
 497
 498                         return;
 499                 }
 500
 501                 $applied = $this->applyPatch(
 502                         'patch-fix-il_from.sql',
 503                         false,
 504                         'Fixing ancient broken imagelinks table.'
 505                 );
 506
 507                 if ( $applied ) {
 508                         $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this." );
 509                 }
 510         }
 511
 512         /**
 513          * Check if we need to add talk page rows to the watchlist
 514          */
 515         function doWatchlistUpdate() {
 516                 $talk = $this->db->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__ );
 517                 $nontalk = $this->db->selectField(
 518                         'watchlist',
 519                         'count(*)',
 520                         'NOT (wl_namespace & 1)',
 521                         __METHOD__
 522                 );
 523                 if ( $talk == $nontalk ) {
 524                         $this->output( "...watchlist talk page rows already present.\n" );
 525
 526                         return;
 527                 }
 528
 529                 $insertOpts = [ 'IGNORE' ];
 530                 $selectOpts = [];
 531
 532                 // If wl_id exists, make insertSelect() more replication-safe by
 533                 // ordering on that column. If not, hint that it should be safe anyway.
 534                 if ( $this->db->fieldExists( 'watchlist', 'wl_id', __METHOD__ ) ) {
 535                         $selectOpts['ORDER BY'] = 'wl_id';
 536                 } else {
 537                         $insertOpts[] = 'NO_AUTO_COLUMNS';
 538                 }
 539
 540                 $this->output( "Adding missing watchlist talk page rows... " );
 541                 $this->db->insertSelect( 'watchlist', 'watchlist',
 542                         [
 543                                 'wl_user' => 'wl_user',
 544                                 'wl_namespace' => 'wl_namespace | 1',
 545                                 'wl_title' => 'wl_title',
 546                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 547                         ], [ 'NOT (wl_namespace & 1)' ], __METHOD__, $insertOpts, $selectOpts );
 548                 $this->output( "done.\n" );
 549
 550                 $this->output( "Adding missing watchlist subject page rows... " );
 551                 $this->db->insertSelect( 'watchlist', 'watchlist',
 552                         [
 553                                 'wl_user' => 'wl_user',
 554                                 'wl_namespace' => 'wl_namespace & ~1',
 555                                 'wl_title' => 'wl_title',
 556                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 557                         ], [ 'wl_namespace & 1' ], __METHOD__, $insertOpts, $selectOpts );
 558                 $this->output( "done.\n" );
 559         }
 560
 561         function doSchemaRestructuring() {
 562                 if ( $this->db->tableExists( 'page', __METHOD__ ) ) {
 563                         $this->output( "...page table already exists.\n" );
 564
 565                         return;
 566                 }
 567
 568                 $this->output( "...converting from cur/old to page/revision/text DB structure.\n" );
 569                 $this->output( wfTimestamp( TS_DB ) );
 570                 $this->output( "......checking for duplicate entries.\n" );
 571
 572                 list( $cur, $old, $page, $revision, $text ) = $this->db->tableNamesN(
 573                         'cur',
 574                         'old',
 575                         'page',
 576                         'revision',
 577                         'text'
 578                 );
 579
 580                 $rows = $this->db->query( "
 581                         SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 582                         FROM $cur
 583                         GROUP BY cur_title, cur_namespace
 584                         HAVING c>1",
 585                         __METHOD__
 586                 );
 587
 588                 if ( $rows->numRows() > 0 ) {
 589                         $this->output( wfTimestamp( TS_DB ) );
 590                         $this->output( "......<b>Found duplicate entries</b>\n" );
 591                         $this->output( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 592                         $duplicate = [];
 593                         foreach ( $rows as $row ) {
 594                                 if ( !isset( $duplicate[$row->cur_namespace] ) ) {
 595                                         $duplicate[$row->cur_namespace] = [];
 596                                 }
 597
 598                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 599                                 $this->output( sprintf(
 600                                         "      %-60s %3s %5s\n",
 601                                         $row->cur_title, $row->cur_namespace,
 602                                         $row->c
 603                                 ) );
 604                         }
 605                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 606                         $dupeTitles = [];
 607                         foreach ( $duplicate as $ns => $titles ) {
 608                                 $dupeTitles[] = "( cur_namespace = {$ns} AND cur_title in ("
 609                                         . $this->db->makeList( $titles ) . ") ) \n";
 610                         }
 611                         $sql .= $this->db->makeList( $dupeTitles, IDatabase::LIST_OR );
 612                         # By sorting descending, the most recent entry will be the first in the list.
 613                         # All following entries will be deleted by the next while-loop.
 614                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 615
 616                         $rows = $this->db->query( $sql, __METHOD__ );
 617
 618                         $prev_title = $prev_namespace = false;
 619                         $deleteId = [];
 620
 621                         foreach ( $rows as $row ) {
 622                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 623                                         $deleteId[] = (int)$row->cur_id;
 624                                 }
 625                                 $prev_title = $row->cur_title;
 626                                 $prev_namespace = $row->cur_namespace;
 627                         }
 628                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . implode( ',', $deleteId ) . ')';
 629                         $this->db->query( $sql, __METHOD__ );
 630                         $this->output( wfTimestamp( TS_DB ) );
 631                         $this->output( "......<b>Deleted</b> " . $this->db->affectedRows() . " records.\n" );
 632                 }
 633
 634                 $this->output( wfTimestamp( TS_DB ) );
 635                 $this->output( "......Creating tables.\n" );
 636                 $this->db->query( "CREATE TABLE $page (
 637                         page_id int(8) unsigned NOT NULL auto_increment,
 638                         page_namespace int NOT NULL,
 639                         page_title varchar(255) binary NOT NULL,
 640                         page_restrictions tinyblob NOT NULL,
 641                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 642                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 643                         page_random real unsigned NOT NULL,
 644                         page_touched char(14) binary NOT NULL default '',
 645                         page_latest int(8) unsigned NOT NULL,
 646                         page_len int(8) unsigned NOT NULL,
 647
 648                         PRIMARY KEY page_id (page_id),
 649                         UNIQUE INDEX name_title (page_namespace,page_title),
 650                         INDEX (page_random),
 651                         INDEX (page_len)
 652                         ) ENGINE=InnoDB", __METHOD__ );
 653                 $this->db->query( "CREATE TABLE $revision (
 654                         rev_id int(8) unsigned NOT NULL auto_increment,
 655                         rev_page int(8) unsigned NOT NULL,
 656                         rev_comment tinyblob NOT NULL,
 657                         rev_user int(5) unsigned NOT NULL default '0',
 658                         rev_user_text varchar(255) binary NOT NULL default '',
 659                         rev_timestamp char(14) binary NOT NULL default '',
 660                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 661                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 662                         rev_len int(8) unsigned,
 663                         rev_parent_id int(8) unsigned default NULL,
 664                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 665                         UNIQUE INDEX rev_id (rev_id),
 666                         INDEX rev_timestamp (rev_timestamp),
 667                         INDEX page_timestamp (rev_page,rev_timestamp),
 668                         INDEX user_timestamp (rev_user,rev_timestamp),
 669                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 670                         ) ENGINE=InnoDB", __METHOD__ );
 671
 672                 $this->output( wfTimestamp( TS_DB ) );
 673                 $this->output( "......Locking tables.\n" );
 674                 $this->db->query(
 675                         "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE",
 676                         __METHOD__
 677                 );
 678
 679                 $maxold = intval( $this->db->selectField( 'old', 'max(old_id)', '', __METHOD__ ) );
 680                 $this->output( wfTimestamp( TS_DB ) );
 681                 $this->output( "......maxold is {$maxold}\n" );
 682
 683                 $this->output( wfTimestamp( TS_DB ) );
 684                 global $wgLegacySchemaConversion;
 685                 if ( $wgLegacySchemaConversion ) {
 686                         // Create HistoryBlobCurStub entries.
 687                         // Text will be pulled from the leftover 'cur' table at runtime.
 688                         $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 689                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 690                         $cur_flags = "'object'";
 691                 } else {
 692                         // Copy all cur text in immediately: this may take longer but avoids
 693                         // having to keep an extra table around.
 694                         $this->output( "......Moving text from cur.\n" );
 695                         $cur_text = 'cur_text';
 696                         $cur_flags = "''";
 697                 }
 698                 $this->db->query(
 699                         "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user,
 700                                 old_user_text, old_timestamp, old_minor_edit, old_flags)
 701                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text,
 702                                 cur_timestamp, cur_minor_edit, $cur_flags
 703                         FROM $cur",
 704                         __METHOD__
 705                 );
 706
 707                 $this->output( wfTimestamp( TS_DB ) );
 708                 $this->output( "......Setting up revision table.\n" );
 709                 $this->db->query(
 710                         "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user,
 711                                 rev_user_text, rev_timestamp, rev_minor_edit)
 712                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 713                                 old_timestamp, old_minor_edit
 714                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title",
 715                         __METHOD__
 716                 );
 717
 718                 $this->output( wfTimestamp( TS_DB ) );
 719                 $this->output( "......Setting up page table.\n" );
 720                 $this->db->query(
 721                         "INSERT INTO $page (page_id, page_namespace, page_title,
 722                                 page_restrictions, page_is_redirect, page_is_new, page_random,
 723                                 page_touched, page_latest, page_len)
 724                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions,
 725                                 cur_is_redirect, cur_is_new, cur_random, cur_touched, rev_id, LENGTH(cur_text)
 726                         FROM $cur,$revision
 727                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}",
 728                         __METHOD__
 729                 );
 730
 731                 $this->output( wfTimestamp( TS_DB ) );
 732                 $this->output( "......Unlocking tables.\n" );
 733                 $this->db->query( "UNLOCK TABLES", __METHOD__ );
 734
 735                 $this->output( wfTimestamp( TS_DB ) );
 736                 $this->output( "......Renaming old.\n" );
 737                 $this->db->query( "ALTER TABLE $old RENAME TO $text", __METHOD__ );
 738
 739                 $this->output( wfTimestamp( TS_DB ) );
 740                 $this->output( "...done.\n" );
 741         }
 742
 743         protected function doNamespaceSize() {
 744                 $tables = [
 745                         'page' => 'page',
 746                         'archive' => 'ar',
 747                         'recentchanges' => 'rc',
 748                         'watchlist' => 'wl',
 749                         'querycache' => 'qc',
 750                         'logging' => 'log',
 751                 ];
 752                 foreach ( $tables as $table => $prefix ) {
 753                         $field = $prefix . '_namespace';
 754
 755                         $tablename = $this->db->tableName( $table );
 756                         $result = $this->db->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__ );
 757                         $info = $this->db->fetchObject( $result );
 758
 759                         if ( substr( $info->Type, 0, 3 ) == 'int' ) {
 760                                 $this->output( "...$field is already a full int ($info->Type).\n" );
 761                         } else {
 762                                 $this->output( "Promoting $field from $info->Type to int... " );
 763                                 $this->db->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__ );
 764                                 $this->output( "done.\n" );
 765                         }
 766                 }
 767         }
 768
 769         protected function doPagelinksUpdate() {
 770                 if ( $this->db->tableExists( 'pagelinks', __METHOD__ ) ) {
 771                         $this->output( "...already have pagelinks table.\n" );
 772
 773                         return;
 774                 }
 775
 776                 $this->applyPatch(
 777                         'patch-pagelinks.sql',
 778                         false,
 779                         'Converting links and brokenlinks tables to pagelinks'
 780                 );
 781
 782                 foreach (
 783                         MediaWikiServices::getInstance()->getContentLanguage()->getNamespaces() as $ns => $name
 784                 ) {
 785                         if ( $ns == 0 ) {
 786                                 continue;
 787                         }
 788
 789                         $this->output( "Cleaning up broken links for namespace $ns... " );
 790                         $this->db->update( 'pagelinks',
 791                                 [
 792                                         'pl_namespace' => $ns,
 793                                         "pl_title = TRIM(LEADING {$this->db->addQuotes( "$name:" )} FROM pl_title)",
 794                                 ],
 795                                 [
 796                                         'pl_namespace' => 0,
 797                                         'pl_title' . $this->db->buildLike( "$name:", $this->db->anyString() ),
 798                                 ],
 799                                 __METHOD__
 800                         );
 801                         $this->output( "done.\n" );
 802                 }
 803         }
 804
 805         protected function doUserUniqueUpdate() {
 806                 if ( !$this->doTable( 'user' ) ) {
 807                         return true;
 808                 }
 809
 810                 $duper = new UserDupes( $this->db, [ $this, 'output' ] );
 811                 if ( $duper->hasUniqueIndex() ) {
 812                         $this->output( "...already have unique user_name index.\n" );
 813
 814                         return;
 815                 }
 816
 817                 if ( !$duper->clearDupes() ) {
 818                         $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 819                 }
 820                 $this->applyPatch( 'patch-user_nameindex.sql', false, "Adding unique index on user_name" );
 821         }
 822
 823         protected function doUserGroupsUpdate() {
 824                 if ( !$this->doTable( 'user_groups' ) ) {
 825                         return true;
 826                 }
 827
 828                 if ( $this->db->tableExists( 'user_groups', __METHOD__ ) ) {
 829                         $info = $this->db->fieldInfo( 'user_groups', 'ug_group' );
 830                         if ( $info->type() == 'int' ) {
 831                                 $oldug = $this->db->tableName( 'user_groups' );
 832                                 $newug = $this->db->tableName( 'user_groups_bogus' );
 833                                 $this->output( "user_groups table exists but is in bogus intermediate " .
 834                                         "format. Renaming to $newug... " );
 835                                 $this->db->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__ );
 836                                 $this->output( "done.\n" );
 837
 838                                 $this->applyPatch( 'patch-user_groups.sql', false, "Re-adding fresh user_groups table" );
 839
 840                                 $this->output( "***\n" );
 841                                 $this->output( "*** WARNING: You will need to manually fix up user " .
 842                                         "permissions in the user_groups\n" );
 843                                 $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 844                                 $this->output( "***\n" );
 845                         } else {
 846                                 $this->output( "...user_groups table exists and is in current format.\n" );
 847                         }
 848
 849                         return;
 850                 }
 851
 852                 $this->applyPatch( 'patch-user_groups.sql', false, "Adding user_groups table" );
 853
 854                 if ( !$this->db->tableExists( 'user_rights', __METHOD__ ) ) {
 855                         if ( $this->db->fieldExists( 'user', 'user_rights', __METHOD__ ) ) {
 856                                 $this->applyPatch(
 857                                         'patch-user_rights.sql',
 858                                         false,
 859                                         'Upgrading from a 1.3 or older database? Breaking out user_rights for conversion'
 860                                 );
 861                         } else {
 862                                 $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 863                                 $this->output( "*** You may need to manually configure some sysops by manipulating\n" );
 864                                 $this->output( "*** the user_groups table.\n" );
 865
 866                                 return;
 867                         }
 868                 }
 869
 870                 $this->output( "Converting user_rights table to user_groups... " );
 871                 $result = $this->db->select( 'user_rights',
 872                         [ 'ur_user', 'ur_rights' ],
 873                         [ "ur_rights != ''" ],
 874                         __METHOD__ );
 875
 876                 foreach ( $result as $row ) {
 877                         $groups = array_unique(
 878                                 array_map( 'trim',
 879                                         explode( ',', $row->ur_rights ) ) );
 880
 881                         foreach ( $groups as $group ) {
 882                                 $this->db->insert( 'user_groups',
 883                                         [
 884                                                 'ug_user' => $row->ur_user,
 885                                                 'ug_group' => $group ],
 886                                         __METHOD__ );
 887                         }
 888                 }
 889                 $this->output( "done.\n" );
 890         }
 891
 892         /**
 893          * Make sure wl_notificationtimestamp can be NULL,
 894          * and update old broken items.
 895          */
 896         protected function doWatchlistNull() {
 897                 $info = $this->db->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 898                 if ( !$info ) {
 899                         return;
 900                 }
 901                 if ( $info->isNullable() ) {
 902                         $this->output( "...wl_notificationtimestamp is already nullable.\n" );
 903
 904                         return;
 905                 }
 906
 907                 $this->applyPatch(
 908                         'patch-watchlist-null.sql',
 909                         false,
 910                         'Making wl_notificationtimestamp nullable'
 911                 );
 912         }
 913
 914         /**
 915          * Set page_random field to a random value where it is equals to 0.
 916          *
 917          * @see T5946
 918          */
 919         protected function doPageRandomUpdate() {
 920                 $page = $this->db->tableName( 'page' );
 921                 $this->db->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__ );
 922                 $rows = $this->db->affectedRows();
 923
 924                 if ( $rows ) {
 925                         $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" );
 926                 } else {
 927                         $this->output( "...no page_random rows needed to be set\n" );
 928                 }
 929         }
 930
 931         protected function doTemplatelinksUpdate() {
 932                 if ( $this->db->tableExists( 'templatelinks', __METHOD__ ) ) {
 933                         $this->output( "...templatelinks table already exists\n" );
 934
 935                         return;
 936                 }
 937
 938                 $this->applyPatch( 'patch-templatelinks.sql', false, "Creating templatelinks table" );
 939
 940                 $this->output( "Populating...\n" );
 941                 $services = MediaWikiServices::getInstance();
 942                 if ( $services->getDBLoadBalancer()->getServerCount() > 1 ) {
 943                         // Slow, replication-friendly update
 944                         $res = $this->db->select( 'pagelinks', [ 'pl_from', 'pl_namespace', 'pl_title' ],
 945                                 [ 'pl_namespace' => NS_TEMPLATE ], __METHOD__ );
 946                         $count = 0;
 947                         foreach ( $res as $row ) {
 948                                 $count = ( $count + 1 ) % 100;
 949                                 if ( $count == 0 ) {
 950                                         $lbFactory = $services->getDBLoadBalancerFactory();
 951                                         $lbFactory->waitForReplication( [
 952                                                 'domain' => $lbFactory->getLocalDomainID(),
 953                                                 'timeout' => self::REPLICATION_WAIT_TIMEOUT
 954                                         ] );
 955                                 }
 956                                 $this->db->insert( 'templatelinks',
 957                                         [
 958                                                 'tl_from' => $row->pl_from,
 959                                                 'tl_namespace' => $row->pl_namespace,
 960                                                 'tl_title' => $row->pl_title,
 961                                         ], __METHOD__
 962                                 );
 963                         }
 964                 } else {
 965                         // Fast update
 966                         $this->db->insertSelect( 'templatelinks', 'pagelinks',
 967                                 [
 968                                         'tl_from' => 'pl_from',
 969                                         'tl_namespace' => 'pl_namespace',
 970                                         'tl_title' => 'pl_title'
 971                                 ], [
 972                                         'pl_namespace' => 10
 973                                 ], __METHOD__,
 974                                 [ 'NO_AUTO_COLUMNS' ] // There's no "tl_id" auto-increment field
 975                         );
 976                 }
 977                 $this->output( "Done. Please run maintenance/refreshLinks.php for a more " .
 978                         "thorough templatelinks update.\n" );
 979         }
 980
 981         protected function doBacklinkingIndicesUpdate() {
 982                 if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
 983                         !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
 984                         !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' )
 985                 ) {
 986                         $this->applyPatch( 'patch-backlinkindexes.sql', false, "Updating backlinking indices" );
 987                 }
 988         }
 989
 990         /**
 991          * Adding page_restrictions table, obsoleting page.page_restrictions.
 992          * Migrating old restrictions to new table
 993          * -- Andrew Garrett, January 2007.
 994          */
 995         protected function doRestrictionsUpdate() {
 996                 if ( $this->db->tableExists( 'page_restrictions', __METHOD__ ) ) {
 997                         $this->output( "...page_restrictions table already exists.\n" );
 998
 999                         return;
1000                 }
1001
1002                 $this->applyPatch(
1003                         'patch-page_restrictions.sql',
1004                         false,
1005                         'Creating page_restrictions table (1/2)'
1006                 );
1007                 $this->applyPatch(
1008                         'patch-page_restrictions_sortkey.sql',
1009                         false,
1010                         'Creating page_restrictions table (2/2)'
1011                 );
1012                 $this->output( "done.\n" );
1013
1014                 $this->output( "Migrating old restrictions to new table...\n" );
1015                 $task = $this->maintenance->runChild( UpdateRestrictions::class );
1016                 $task->execute();
1017         }
1018
1019         protected function doCategorylinksIndicesUpdate() {
1020                 if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) {
1021                         $this->applyPatch( 'patch-categorylinksindex.sql', false, "Updating categorylinks Indices" );
1022                 }
1023         }
1024
1025         protected function doCategoryPopulation() {
1026                 if ( $this->updateRowExists( 'populate category' ) ) {
1027                         $this->output( "...category table already populated.\n" );
1028
1029                         return;
1030                 }
1031
1032                 $this->output(
1033                         "Populating category table, printing progress markers. " .
1034                         "For large databases, you\n" .
1035                         "may want to hit Ctrl-C and do this manually with maintenance/\n" .
1036                         "populateCategory.php.\n"
1037                 );
1038                 $task = $this->maintenance->runChild( PopulateCategory::class );
1039                 $task->execute();
1040                 $this->output( "Done populating category table.\n" );
1041         }
1042
1043         protected function doPopulateParentId() {
1044                 if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) {
1045                         $this->output(
1046                                 "Populating rev_parent_id fields, printing progress markers. For large\n" .
1047                                 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1048                                 "maintenance/populateParentId.php.\n" );
1049
1050                         $task = $this->maintenance->runChild( PopulateParentId::class );
1051                         $task->execute();
1052                 }
1053         }
1054
1055         protected function doMaybeProfilingMemoryUpdate() {
1056                 if ( !$this->doTable( 'profiling' ) ) {
1057                         return true;
1058                 }
1059
1060                 if ( !$this->db->tableExists( 'profiling', __METHOD__ ) ) {
1061                         return true;
1062                 } elseif ( $this->db->fieldExists( 'profiling', 'pf_memory', __METHOD__ ) ) {
1063                         $this->output( "...profiling table has pf_memory field.\n" );
1064
1065                         return true;
1066                 }
1067
1068                 return $this->applyPatch(
1069                         'patch-profiling-memory.sql',
1070                         false,
1071                         'Adding pf_memory field to table profiling'
1072                 );
1073         }
1074
1075         protected function doFilearchiveIndicesUpdate() {
1076                 $info = $this->db->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1077                 if ( !$info ) {
1078                         $this->applyPatch( 'patch-filearchive-user-index.sql', false, "Updating filearchive indices" );
1079                 }
1080
1081                 return true;
1082         }
1083
1084         protected function doNonUniquePlTlIl() {
1085                 $info = $this->db->indexInfo( 'pagelinks', 'pl_namespace' );
1086                 if ( is_array( $info ) && $info[0]->Non_unique ) {
1087                         $this->output( "...pl_namespace, tl_namespace, il_to indices are already non-UNIQUE.\n" );
1088
1089                         return true;
1090                 }
1091                 if ( $this->skipSchema ) {
1092                         $this->output( "...skipping schema change (making pl_namespace, tl_namespace " .
1093                                 "and il_to indices non-UNIQUE).\n" );
1094
1095                         return false;
1096                 }
1097
1098                 return $this->applyPatch(
1099                         'patch-pl-tl-il-nonunique.sql',
1100                         false,
1101                         'Making pl_namespace, tl_namespace and il_to indices non-UNIQUE'
1102                 );
1103         }
1104
1105         protected function doUpdateMimeMinorField() {
1106                 if ( $this->updateRowExists( 'mime_minor_length' ) ) {
1107                         $this->output( "...*_mime_minor fields are already long enough.\n" );
1108
1109                         return;
1110                 }
1111
1112                 $this->applyPatch(
1113                         'patch-mime_minor_length.sql',
1114                         false,
1115                         'Altering all *_mime_minor fields to 100 bytes in size'
1116                 );
1117         }
1118
1119         protected function doClFieldsUpdate() {
1120                 if ( $this->updateRowExists( 'cl_fields_update' ) ) {
1121                         $this->output( "...categorylinks up-to-date.\n" );
1122
1123                         return;
1124                 }
1125
1126                 $this->applyPatch(
1127                         'patch-categorylinks-better-collation2.sql',
1128                         false,
1129                         'Updating categorylinks (again)'
1130                 );
1131         }
1132
1133         protected function doLangLinksLengthUpdate() {
1134                 $langlinks = $this->db->tableName( 'langlinks' );
1135                 $res = $this->db->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" );
1136                 $row = $this->db->fetchObject( $res );
1137
1138                 if ( $row && $row->Type == "varbinary(10)" ) {
1139                         $this->applyPatch(
1140                                 'patch-langlinks-ll_lang-20.sql',
1141                                 false,
1142                                 'Updating length of ll_lang in langlinks'
1143                         );
1144                 } else {
1145                         $this->output( "...ll_lang is up-to-date.\n" );
1146                 }
1147         }
1148
1149         protected function doUserNewTalkTimestampNotNull() {
1150                 if ( !$this->doTable( 'user_newtalk' ) ) {
1151                         return true;
1152                 }
1153
1154                 $info = $this->db->fieldInfo( 'user_newtalk', 'user_last_timestamp' );
1155                 if ( $info === false ) {
1156                         return;
1157                 }
1158                 if ( $info->isNullable() ) {
1159                         $this->output( "...user_last_timestamp is already nullable.\n" );
1160
1161                         return;
1162                 }
1163
1164                 $this->applyPatch(
1165                         'patch-user-newtalk-timestamp-null.sql',
1166                         false,
1167                         'Making user_last_timestamp nullable'
1168                 );
1169         }
1170
1171         protected function doIwlinksIndexNonUnique() {
1172                 $info = $this->db->indexInfo( 'iwlinks', 'iwl_prefix_title_from' );
1173                 if ( is_array( $info ) && $info[0]->Non_unique ) {
1174                         $this->output( "...iwl_prefix_title_from index is already non-UNIQUE.\n" );
1175
1176                         return true;
1177                 }
1178                 if ( $this->skipSchema ) {
1179                         $this->output( "...skipping schema change (making iwl_prefix_title_from index non-UNIQUE).\n" );
1180
1181                         return false;
1182                 }
1183
1184                 return $this->applyPatch(
1185                         'patch-iwl_prefix_title_from-non-unique.sql',
1186                         false,
1187                         'Making iwl_prefix_title_from index non-UNIQUE'
1188                 );
1189         }
1190
1191         protected function doUnsignedSyncronisation() {
1192                 $sync = [
1193                         [ 'table' => 'bot_passwords', 'field' => 'bp_user' ],
1194                         [ 'table' => 'change_tag', 'field' => 'ct_log_id' ],
1195                         [ 'table' => 'change_tag', 'field' => 'ct_rev_id' ],
1196                         [ 'table' => 'page_restrictions', 'field' => 'pr_user' ],
1197                         [ 'table' => 'user_newtalk', 'field' => 'user_id' ],
1198                         [ 'table' => 'user_properties', 'field' => 'up_user' ],
1199                 ];
1200
1201                 foreach ( $sync as $s ) {
1202                         if ( !$this->doTable( $s['table'] ) ) {
1203                                 continue;
1204                         }
1205
1206                         $info = $this->db->fieldInfo( $s['table'], $s['field'] );
1207                         if ( $info === false ) {
1208                                 continue;
1209                         }
1210                         $fullName = "{$s['table']}.{$s['field']}";
1211                         if ( $info->isUnsigned() ) {
1212                                 $this->output( "...$fullName is already unsigned int.\n" );
1213
1214                                 continue;
1215                         }
1216
1217                         $this->applyPatch(
1218                                 "patch-{$s['table']}-{$s['field']}-unsigned.sql",
1219                                 false,
1220                                 "Making $fullName into an unsigned int"
1221                         );
1222                 }
1223
1224                 return true;
1225         }
1226
1227         protected function doRevisionPageRevIndexNonUnique() {
1228                 if ( !$this->doTable( 'revision' ) ) {
1229                         return true;
1230                 } elseif ( !$this->db->indexExists( 'revision', 'rev_page_id' ) ) {
1231                         $this->output( "...rev_page_id index not found on revision.\n" );
1232                         return true;
1233                 }
1234
1235                 if ( !$this->db->indexUnique( 'revision', 'rev_page_id' ) ) {
1236                         $this->output( "...rev_page_id index already non-unique.\n" );
1237                         return true;
1238                 }
1239
1240                 return $this->applyPatch(
1241                         'patch-revision-page-rev-index-nonunique.sql',
1242                         false,
1243                         'Making rev_page_id index non-unique'
1244                 );
1245         }
1246
1247         protected function doExtendCommentLengths() {
1248                 $table = $this->db->tableName( 'revision' );
1249                 $res = $this->db->query( "SHOW COLUMNS FROM $table LIKE 'rev_comment'" );
1250                 $row = $this->db->fetchObject( $res );
1251
1252                 if ( $row && ( $row->Type !== "varbinary(767)" || $row->Default !== "" ) ) {
1253                         $this->applyPatch(
1254                                 'patch-editsummary-length.sql',
1255                                 false,
1256                                 'Extending edit summary lengths (and setting defaults)'
1257                         );
1258                 } else {
1259                         $this->output( "...comment fields are up to date.\n" );
1260                 }
1261         }
1262
1263         public function getSchemaVars() {
1264                 global $wgDBTableOptions;
1265
1266                 $vars = [];
1267                 $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
1268                 $vars['wgDBTableOptions'] = str_replace(
1269                         'CHARSET=mysql4',
1270                         'CHARSET=binary',
1271                         $vars['wgDBTableOptions']
1272                 );
1273
1274                 return $vars;
1275         }
1276 }