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https://github.com/YunoHost-Apps/mediawiki_ynh.git
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94 lines
3.3 KiB
PHP
94 lines
3.3 KiB
PHP
<?php
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/**
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* Remove cache entries for removed ResourceLoader modules from the database.
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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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* @author Roan Kattouw
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script to remove cache entries for removed ResourceLoader modules
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* from the database.
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*
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* @ingroup Maintenance
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*/
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class CleanupRemovedModules extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = 'Remove cache entries for removed ResourceLoader modules from the database';
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$this->addOption( 'batchsize', 'Delete rows in batches of this size. Default: 500', false, true );
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$this->addOption( 'max-slave-lag', 'If the slave lag exceeds this many seconds, wait until it drops below this value. Default: 5', false, true );
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}
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public function execute() {
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$dbw = wfGetDB( DB_MASTER );
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$rl = new ResourceLoader();
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$moduleNames = $rl->getModuleNames();
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$moduleList = implode( ', ', array_map( array( $dbw, 'addQuotes' ), $moduleNames ) );
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$limit = max( 1, intval( $this->getOption( 'batchsize', 500 ) ) );
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$maxlag = intval( $this->getOption( 'max-slave-lag', 5 ) );
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$this->output( "Cleaning up module_deps table...\n" );
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$i = 1;
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$modDeps = $dbw->tableName( 'module_deps' );
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do {
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// $dbw->delete() doesn't support LIMIT :(
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$where = $moduleList ? "md_module NOT IN ($moduleList)" : '1=1';
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$dbw->query( "DELETE FROM $modDeps WHERE $where LIMIT $limit", __METHOD__ );
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$numRows = $dbw->affectedRows();
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$this->output( "Batch $i: $numRows rows\n" );
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$i++;
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wfWaitForSlaves( $maxlag );
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} while ( $numRows > 0 );
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$this->output( "done\n" );
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$this->output( "Cleaning up msg_resource table...\n" );
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$i = 1;
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$mrRes = $dbw->tableName( 'msg_resource' );
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do {
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$where = $moduleList ? "mr_resource NOT IN ($moduleList)" : '1=1';
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$dbw->query( "DELETE FROM $mrRes WHERE $where LIMIT $limit", __METHOD__ );
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$numRows = $dbw->affectedRows();
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$this->output( "Batch $i: $numRows rows\n" );
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$i++;
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wfWaitForSlaves( $maxlag );
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} while ( $numRows > 0 );
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$this->output( "done\n" );
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$this->output( "Cleaning up msg_resource_links table...\n" );
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$i = 1;
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$msgResLinks = $dbw->tableName( 'msg_resource_links' );
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do {
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$where = $moduleList ? "mrl_resource NOT IN ($moduleList)" : '1=1';
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$dbw->query( "DELETE FROM $msgResLinks WHERE $where LIMIT $limit", __METHOD__ );
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$numRows = $dbw->affectedRows();
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$this->output( "Batch $i: $numRows rows\n" );
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$i++;
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wfWaitForSlaves( $maxlag );
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} while ( $numRows > 0 );
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$this->output( "done\n" );
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}
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}
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$maintClass = "CleanupRemovedModules";
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require_once RUN_MAINTENANCE_IF_MAIN;
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