27c61fb1e9
Storing the user name or IP in every row in large tables like revision and logging takes up space and makes operations on these tables slower. This patch begins the process of moving those into one "actor" table which other tables can reference with a single integer field. A subsequent patch will remove the old columns. Bug: T167246 Depends-On: I9293fd6e0f958d87e52965de925046f1bb8f8a50 Change-Id: I8d825eb02c69cc66d90bd41325133fd3f99f0226
97 lines
3.2 KiB
PHP
97 lines
3.2 KiB
PHP
<?php
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/**
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* Makes the required database updates for Special:ProtectedPages
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* to show all protected pages, even ones before the page restrictions
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* schema change. All remaining page_restriction column values are moved
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* to the new table.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script that makes the required database updates for
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* Special:ProtectedPages to show all protected pages.
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*
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* @ingroup Maintenance
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*/
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class PopulateLogUsertext extends LoggedUpdateMaintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Populates the log_user_text field' );
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$this->setBatchSize( 100 );
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}
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protected function getUpdateKey() {
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return 'populate log_usertext';
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}
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protected function updateSkippedMessage() {
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return 'log_user_text column of logging table already populated.';
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}
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protected function doDBUpdates() {
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$batchSize = $this->getBatchSize();
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$db = $this->getDB( DB_MASTER );
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$start = $db->selectField( 'logging', 'MIN(log_id)', false, __METHOD__ );
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if ( !$start ) {
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$this->output( "Nothing to do.\n" );
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return true;
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}
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$end = $db->selectField( 'logging', 'MAX(log_id)', false, __METHOD__ );
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// If this is being run during an upgrade from 1.16 or earlier, this
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// will be run before the actor table change and should continue. But
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// if it's being run on a new installation, the field won't exist to be populated.
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if ( !$db->fieldInfo( 'logging', 'log_user_text' ) ) {
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$this->output( "No log_user_text field, nothing to do.\n" );
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return true;
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}
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# Do remaining chunk
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$end += $batchSize - 1;
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$blockStart = $start;
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$blockEnd = $start + $batchSize - 1;
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while ( $blockEnd <= $end ) {
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$this->output( "...doing log_id from $blockStart to $blockEnd\n" );
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$cond = "log_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd .
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" AND log_user = user_id";
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$res = $db->select( [ 'logging', 'user' ],
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[ 'log_id', 'user_name' ], $cond, __METHOD__ );
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$this->beginTransaction( $db, __METHOD__ );
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foreach ( $res as $row ) {
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$db->update( 'logging', [ 'log_user_text' => $row->user_name ],
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[ 'log_id' => $row->log_id ], __METHOD__ );
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}
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$this->commitTransaction( $db, __METHOD__ );
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$blockStart += $batchSize;
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$blockEnd += $batchSize;
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wfWaitForSlaves();
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}
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$this->output( "Done populating log_user_text field.\n" );
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return true;
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}
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}
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$maintClass = PopulateLogUsertext::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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