MysqlUpdater.php

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<?php
use Wikimedia\Rdbms\MySQLField;
 
class MysqlUpdater extends DatabaseUpdater {
    protected function getCoreUpdateList() {
        return [
            // 1.35
            [ 'addField', 'revision', 'rev_actor', 'patch-revision-actor-comment-MCR.sql' ],
            [ 'addTable', 'watchlist_expiry', 'patch-watchlist_expiry.sql' ],
            [ 'modifyField', 'page', 'page_restrictions', 'patch-page_restrictions-null.sql' ],
            [ 'renameIndex', 'ipblocks', 'ipb_address', 'ipb_address_unique', false,
                'patch-ipblocks-rename-ipb_address.sql' ],
            [ 'dropField', 'archive', 'ar_text_id', 'patch-archive-MCR.sql' ],
            [ 'doLanguageLinksLengthSync' ],
            [ 'doFixIpbAddressUniqueIndex' ],
            [ 'modifyField', 'actor', 'actor_name', 'patch-actor-actor_name-varbinary.sql' ],
            [ 'modifyField', 'sites', 'site_global_key', 'patch-sites-site_global_key.sql' ],
            [ 'modifyField', 'iwlinks', 'iwl_prefix', 'patch-extend-iwlinks-iwl_prefix.sql' ],
 
            // 1.36
            [ 'modifyField', 'redirect', 'rd_title', 'patch-redirect-rd_title-varbinary.sql' ],
            [ 'modifyField', 'pagelinks', 'pl_title', 'patch-pagelinks-pl_title-varbinary.sql' ],
            [ 'modifyField', 'templatelinks', 'tl_title', 'patch-templatelinks-tl_title-varbinary.sql' ],
            [ 'modifyField', 'imagelinks', 'il_to', 'patch-imagelinks-il_to-varbinary.sql' ],
            [ 'modifyField', 'langlinks', 'll_title', 'patch-langlinks-ll_title-varbinary.sql' ],
            [ 'modifyField', 'iwlinks', 'iwl_title', 'patch-iwlinks-iwl_title-varbinary.sql' ],
            [ 'modifyField', 'category', 'cat_title', 'patch-category-cat_title-varbinary.sql' ],
            [ 'modifyField', 'querycache', 'qc_title', 'patch-querycache-qc_title-varbinary.sql' ],
            [ 'modifyField', 'querycachetwo', 'qcc_title', 'patch-querycachetwo-qcc_title-varbinary.sql' ],
            [ 'modifyField', 'watchlist', 'wl_title', 'patch-watchlist-wl_title-varbinary.sql' ],
            [ 'modifyField', 'user_newtalk', 'user_last_timestamp',
                'patch-user_newtalk-user_last_timestamp-binary.sql'
            ],
            [ 'modifyField', 'protected_titles', 'pt_title', 'patch-protected_titles-pt_title-varbinary.sql' ],
            [ 'dropDefault', 'protected_titles', 'pt_expiry' ],
            [ 'dropDefault', 'ip_changes', 'ipc_rev_timestamp' ],
            [ 'modifyField', 'ipblocks_restrictions', 'ir_type', 'patch-ipblocks_restrictions-ir_type.sql' ],
            [ 'renameIndex', 'watchlist', 'namespace_title', 'wl_namespace_title', false,
                'patch-watchlist-namespace_title-rename-index.sql' ],
            [ 'modifyField', 'job', 'job_title', 'patch-job-job_title-varbinary.sql' ],
            [ 'modifyField', 'job', 'job_timestamp', 'patch-job_job_timestamp.sql' ],
            [ 'modifyField', 'job', 'job_token_timestamp', 'patch-job_job_token_timestamp.sql' ],
            [ 'modifyField', 'watchlist', 'wl_notificationtimestamp', 'patch-watchlist-wl_notificationtimestamp.sql' ],
            [ 'modifyField', 'slot_roles', 'role_id', 'patch-slot_roles-role_id.sql' ],
            [ 'modifyField', 'content_models', 'model_id', 'patch-content_models-model_id.sql' ],
            [ 'modifyField', 'categorylinks', 'cl_to', 'patch-categorylinks-cl_to-varbinary.sql' ],
            [ 'modifyField', 'logging', 'log_title', 'patch-logging-log_title-varbinary.sql' ],
            [ 'modifyField', 'uploadstash', 'us_timestamp', 'patch-uploadstash-us_timestamp.sql' ],
            [ 'renameIndex', 'user_properties', 'user_properties_property', 'up_property', false,
                'patch-user_properties-rename-index.sql' ],
            [ 'renameIndex', 'sites', 'sites_global_key', 'site_global_key', false, 'patch-sites-rename-indexes.sql' ],
            [ 'renameIndex', 'logging', 'type_time', 'log_type_time', false, 'patch-logging-rename-indexes.sql' ],
            [ 'modifyField', 'filearchive', 'fa_name', 'patch-filearchive-fa_name.sql' ],
            [ 'dropDefault', 'filearchive', 'fa_deleted_timestamp' ],
            [ 'dropDefault', 'filearchive', 'fa_timestamp' ],
            [ 'modifyField', 'oldimage', 'oi_name', 'patch-oldimage-oi_name-varbinary.sql' ],
            [ 'dropDefault', 'oldimage', 'oi_timestamp' ],
            [ 'modifyField', 'objectcache', 'exptime', 'patch-objectcache-exptime-notnull.sql' ],
            [ 'dropDefault', 'ipblocks', 'ipb_timestamp' ],
            [ 'dropDefault', 'ipblocks', 'ipb_expiry' ],
            [ 'renameIndex', 'archive', 'name_title_timestamp', 'ar_name_title_timestamp', false,
                'patch-archive-rename-name_title_timestamp-index.sql' ],
            [ 'modifyField', 'image', 'img_name', 'patch-image-img_name-varbinary.sql' ],
            [ 'dropDefault', 'image', 'img_timestamp' ],
            [ 'modifyField', 'image', 'img_timestamp', 'patch-image-img_timestamp.sql' ],
            [ 'renameIndex', 'site_identifiers', 'site_ids_key', 'si_key', false,
                'patch-site_identifiers-rename-indexes.sql' ],
            [ 'modifyField', 'recentchanges', 'rc_title', 'patch-recentchanges-rc_title-varbinary.sql' ],
            [ 'dropDefault', 'recentchanges', 'rc_timestamp' ],
            [ 'modifyField', 'recentchanges', 'rc_timestamp', 'patch-recentchanges-rc_timestamp.sql' ],
            [ 'modifyField', 'recentchanges', 'rc_id', 'patch-recentchanges-rc_id.sql' ],
            [ 'renameIndex', 'recentchanges', 'new_name_timestamp', 'rc_new_name_timestamp', false,
                'patch-recentchanges-rc_new_name_timestamp.sql' ],
            [ 'dropDefault', 'archive', 'ar_timestamp' ],
            [ 'modifyField', 'archive', 'ar_title', 'patch-archive-ar_title-varbinary.sql' ],
            [ 'modifyField', 'page', 'page_title', 'patch-page-page_title-varbinary.sql' ],
            [ 'dropDefault', 'page', 'page_touched' ],
            [ 'modifyField', 'user', 'user_name', 'patch-user_table-updates.sql' ],
 
            // 1.37
            [ 'renameIndex', 'revision', 'page_timestamp', 'rev_page_timestamp', false,
                'patch-revision-rename-index.sql' ],
            [ 'addField', 'objectcache', 'modtoken', 'patch-objectcache-modtoken.sql' ],
            [ 'dropDefault', 'revision', 'rev_timestamp' ],
            [ 'addIndex', 'oldimage', 'oi_timestamp', 'patch-oldimage-oi_timestamp.sql' ],
            [ 'renameIndex', 'page', 'name_title', 'page_name_title', false, 'patch-page-rename-name_title-index.sql' ],
            [ 'renameIndex', 'change_tag', 'change_tag_rc_tag_id', 'ct_rc_tag_id', false,
                'patch-change_tag-rename-indexes.sql' ],
 
            // 1.38
            [ 'doConvertDjvuMetadata' ],
            [ 'dropField', 'page_restrictions', 'pr_user', 'patch-drop-page_restrictions-pr_user.sql' ],
            [ 'modifyField', 'filearchive', 'fa_id', 'patch-filearchive-fa_id.sql' ],
            [ 'modifyField', 'image', 'img_major_mime', 'patch-image-img_major_mime-default.sql' ],
            [ 'addTable', 'linktarget', 'patch-linktarget.sql' ],
            [ 'dropIndex', 'revision', 'rev_page_id', 'patch-drop-rev_page_id.sql' ],
            [ 'modifyField', 'page_restrictions', 'pr_page', 'patch-page_restrictions-pr_page.sql' ],
            [ 'modifyField', 'page_props', 'pp_page', 'patch-page_props-pp_page.sql' ],
            [ 'modifyField', 'ipblocks_restrictions', 'ir_value', 'patch-ipblocks_restrictions-ir_value.sql' ],
            [ 'addField', 'templatelinks', 'tl_target_id', 'patch-templatelinks-target_id.sql' ],
 
            // 1.39
            [ 'addTable', 'user_autocreate_serial', 'patch-user_autocreate_serial.sql' ],
            [ 'modifyField', 'ipblocks_restrictions', 'ir_ipb_id', 'patch-ipblocks_restrictions-ir_ipb_id.sql' ],
            [ 'modifyField', 'ipblocks', 'ipb_id', 'patch-ipblocks-ipb_id.sql' ],
            [ 'modifyField', 'user', 'user_editcount', 'patch-user-user_editcount.sql' ],
            [ 'runMaintenance', MigrateRevisionActorTemp::class, 'maintenance/migrateRevisionActorTemp.php' ],
            [ 'dropTable', 'revision_actor_temp' ],
            [ 'runMaintenance', UpdateRestrictions::class, 'maintenance/updateRestrictions.php' ],
            [ 'dropField', 'page', 'page_restrictions', 'patch-page-drop-page_restrictions.sql' ],
            [ 'migrateTemplatelinks' ],
            [ 'modifyField', 'templatelinks', 'tl_namespace', 'patch-templatelinks-tl_title-nullable.sql' ],
            [ 'dropField', 'templatelinks', 'tl_title', 'patch-templatelinks-drop-tl_title.sql' ],
 
            // 1.40
            [ 'addField', 'externallinks', 'el_to_path', 'patch-externallinks-el_to_path.sql' ],
        ];
    }
 
    protected function checkBin( $table, $field, $patchFile ) {
        if ( !$this->doTable( $table ) ) {
            return true;
        }
 
        $fieldInfo = $this->db->fieldInfo( $table, $field );
        if ( $fieldInfo->isBinary() ) {
            $this->output( "...$table table has correct $field encoding.\n" );
        } else {
            $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" );
        }
    }
 
    protected function indexHasField( $table, $index, $field ) {
        $info = $this->db->indexInfo( $table, $index, __METHOD__ );
        if ( $info ) {
            foreach ( $info as $row ) {
                if ( $row->Column_name == $field ) {
                    $this->output( "...index $index on table $table includes field $field.\n" );
                    return true;
                }
            }
        }
        $this->output( "...index $index on table $table has no field $field; added.\n" );
 
        return false;
    }
 
    protected function doLanguageLinksLengthSync() {
        $sync = [
            [ 'table' => 'l10n_cache', 'field' => 'lc_lang', 'file' => 'patch-l10n_cache-lc_lang-35.sql' ],
            [ 'table' => 'langlinks', 'field' => 'll_lang', 'file' => 'patch-langlinks-ll_lang-35.sql' ],
            [ 'table' => 'sites', 'field' => 'site_language', 'file' => 'patch-sites-site_language-35.sql' ],
        ];
 
        foreach ( $sync as $s ) {
            $table = $this->db->tableName( $s['table'] );
            $field = $s['field'];
            $res = $this->db->query( "SHOW COLUMNS FROM $table LIKE '$field'", __METHOD__ );
            $row = $res->fetchObject();
 
            if ( $row && $row->Type !== "varbinary(35)" ) {
                $this->applyPatch(
                    $s['file'],
                    false,
                    "Updating length of $field in $table"
                );
            } else {
                $this->output( "...$field is up-to-date.\n" );
            }
        }
    }
 
    protected function doFixIpbAddressUniqueIndex() {
        if ( !$this->doTable( 'ipblocks' ) ) {
            return;
        }
 
        if ( !$this->indexHasField( 'ipblocks', 'ipb_address_unique', 'ipb_anon_only' ) ) {
            $this->output( "...ipb_address_unique index up-to-date.\n" );
            return;
        }
 
        $this->applyPatch(
            'patch-ipblocks-fix-ipb_address_unique.sql',
            false,
            'Removing ipb_anon_only column from ipb_address_unique index'
        );
    }
 
    public function getSchemaVars() {
        global $wgDBTableOptions;
 
        $vars = [];
        $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
        $vars['wgDBTableOptions'] = str_replace(
            'CHARSET=mysql4',
            'CHARSET=binary',
            $vars['wgDBTableOptions']
        );
 
        return $vars;
    }
 
    protected function dropDefault( $table, $field ) {
        $updateKey = "$table-$field-dropDefault";
 
        if ( $this->updateRowExists( $updateKey ) ) {
            return;
        }
 
        $info = $this->db->fieldInfo( $table, $field );
        if ( $info && $info->defaultValue() !== false ) {
            $this->output( "Removing '$table.$field' default value.\n" );
            $table = $this->db->tableName( $table );
            $ret = $this->db->query( "ALTER TABLE $table ALTER COLUMN $field DROP DEFAULT", __METHOD__ );
 
            if ( $ret ) {
                $this->insertUpdateRow( $updateKey );
            }
        }
    }
 
    protected function setDefault( $table, $field, $default ) {
        $info = $this->db->fieldInfo( $table, $field );
        if ( $info && $info->defaultValue() !== $default ) {
            $this->output( "Changing '$table.$field' default value.\n" );
            $table = $this->db->tableName( $table );
            $this->db->query(
                "ALTER TABLE $table ALTER COLUMN $field SET DEFAULT "
                . $this->db->addQuotes( $default ), __METHOD__
            );
        }
    }
 
}