26505b170a
Until now, we relied on setting MW_NO_SETUP which was a) hacky, b) irreversable, and c) likely to be forgotten if you didn't use one of the wrappers like runChild(). Instead, move the freaky magic to doMaintenance and have *it* check if it's in a specific call stack that indicates this is being run from the file scope and should be executed. Rename DO_MAINTENANCE to RUN_MAINTENANCE_IF_MAIN so it's nice and clear what magic happens behind the require_once().
122 lines
4.3 KiB
PHP
122 lines
4.3 KiB
PHP
<?php
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/**
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* Script for periodic off-peak updating of the search index
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*
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* Usage: php updateSearchIndex.php [-s START] [-e END] [-p POSFILE] [-l LOCKTIME] [-q]
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* Where START is the starting timestamp
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* END is the ending timestamp
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* POSFILE is a file to load timestamps from and save them to, searchUpdate.WIKI_ID.pos by default
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* LOCKTIME is how long the searchindex and revision tables will be locked for
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* -q means quiet
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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( dirname( __FILE__ ) . '/Maintenance.php' );
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class UpdateSearchIndex extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Script for periodic off-peak updating of the search index";
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$this->addOption( 's', 'starting timestamp', false, true );
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$this->addOption( 'e', 'Ending timestamp', false, true );
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$this->addOption( 'p', 'File for saving/loading timestamps, searchUpdate.WIKI_ID.pos by default', false, true );
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$this->addOption( 'l', 'How long the searchindex and revision tables will be locked for', false, true );
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}
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public function getDbType() {
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return Maintenance::DB_ADMIN;
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}
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public function execute() {
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$posFile = $this->getOption( 'p', 'searchUpdate.' . wfWikiId() . '.pos' );
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$end = $this->getOption( 'e', wfTimestampNow() );
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if ( $this->hasOption( 's' ) ) {
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$start = $this->getOption( 's' );
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} elseif ( is_readable( 'searchUpdate.pos' ) ) {
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# B/c to the old position file name which was hardcoded
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# We can safely delete the file when we're done though.
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$start = file_get_contents( 'searchUpdate.pos' );
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unlink( 'searchUpdate.pos' );
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} else {
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$start = @file_get_contents( $posFile );
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if ( !$start ) {
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$start = wfTimestamp( TS_MW, time() - 86400 );
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}
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}
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$lockTime = $this->getOption( 'l', 20 );
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$this->doUpdateSearchIndex( $start, $end, $lockTime );
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if ( is_writable( dirname( realpath( $posFile ) ) ) ) {
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$file = fopen( $posFile, 'w' );
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if ( $file !== false ) {
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fwrite( $file, $end );
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fclose( $file );
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} else {
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$this->error( "*** Couldn't write to the $posFile!\n" );
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}
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} else {
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$this->error( "*** Couldn't write to the $posFile!\n" );
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}
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}
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private function doUpdateSearchIndex( $start, $end, $maxLockTime ) {
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global $wgDisableSearchUpdate;
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$wgDisableSearchUpdate = false;
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$dbw = wfGetDB( DB_MASTER );
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$recentchanges = $dbw->tableName( 'recentchanges' );
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$this->output( "Updating searchindex between $start and $end\n" );
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# Select entries from recentchanges which are on top and between the specified times
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$start = $dbw->timestamp( $start );
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$end = $dbw->timestamp( $end );
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$page = $dbw->tableName( 'page' );
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$sql = "SELECT rc_cur_id,rc_type,rc_moved_to_ns,rc_moved_to_title FROM $recentchanges
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JOIN $page ON rc_cur_id=page_id AND rc_this_oldid=page_latest
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WHERE rc_timestamp BETWEEN '$start' AND '$end'
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";
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$res = $dbw->query( $sql, __METHOD__ );
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$this->updateSearchIndex( $maxLockTime, array( $this, 'searchIndexUpdateCallback' ), $dbw, $res );
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$this->output( "Done\n" );
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}
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public function searchIndexUpdateCallback( $dbw, $row ) {
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if ( $row->rc_type == RC_MOVE || $row->rc_type == RC_MOVE_OVER_REDIRECT ) {
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# Rename searchindex entry
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$titleObj = Title::makeTitle( $row->rc_moved_to_ns, $row->rc_moved_to_title );
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$title = $titleObj->getPrefixedDBkey();
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$this->output( "$title..." );
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$u = new SearchUpdate( $row->rc_cur_id, $title, false );
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$u->doUpdate();
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$this->output( "\n" );
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} elseif ( $row->rc_type !== RC_LOG ) {
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$this->updateSearchIndexForPage( $dbw, $row->rc_cur_id );
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}
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}
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}
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$maintClass = "UpdateSearchIndex";
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require_once( RUN_MAINTENANCE_IF_MAIN );
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