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