%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Rebuild recent changes from scratch. This takes several hours,
* depending on the database size and server configuration.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
* @todo Document
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that rebuilds recent changes from scratch.
*
* @ingroup Maintenance
*/
class RebuildRecentchanges extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Rebuild recent changes";
}
public function execute() {
$this->rebuildRecentChangesTablePass1();
$this->rebuildRecentChangesTablePass2();
$this->rebuildRecentChangesTablePass3();
$this->rebuildRecentChangesTablePass4();
$this->purgeFeeds();
$this->output( "Done.\n" );
}
/**
* Rebuild pass 1
* DOCUMENT ME!
*/
private function rebuildRecentChangesTablePass1() {
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'recentchanges', '*' );
$this->output( "Loading from page and revision tables...\n" );
global $wgRCMaxAge;
$this->output( '$wgRCMaxAge=' . $wgRCMaxAge );
$days = $wgRCMaxAge / 24 / 3600;
if ( intval( $days ) == $days ) {
$this->output( " (" . $days . " days)\n" );
} else {
$this->output( " (approx. " . intval( $days ) . " days)\n" );
}
$cutoff = time() - $wgRCMaxAge;
$dbw->insertSelect( 'recentchanges', array( 'page', 'revision' ),
array(
'rc_timestamp' => 'rev_timestamp',
'rc_user' => 'rev_user',
'rc_user_text' => 'rev_user_text',
'rc_namespace' => 'page_namespace',
'rc_title' => 'page_title',
'rc_comment' => 'rev_comment',
'rc_minor' => 'rev_minor_edit',
'rc_bot' => 0,
'rc_new' => 'page_is_new',
'rc_cur_id' => 'page_id',
'rc_this_oldid' => 'rev_id',
'rc_last_oldid' => 0, // is this ok?
'rc_type' => $dbw->conditional( 'page_is_new != 0', RC_NEW, RC_EDIT ),
'rc_source' => $dbw->conditional(
'page_is_new != 0',
$dbw->addQuotes( RecentChange::SRC_NEW ),
$dbw->addQuotes( RecentChange::SRC_EDIT )
),
'rc_deleted' => 'rev_deleted'
),
array(
'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
'rev_page=page_id'
),
__METHOD__,
array(), // INSERT options
array( 'ORDER BY' => 'rev_timestamp DESC', 'LIMIT' => 5000 ) // SELECT options
);
}
/**
* Rebuild pass 2
* DOCUMENT ME!
*/
private function rebuildRecentChangesTablePass2() {
$dbw = wfGetDB( DB_MASTER );
list( $recentchanges, $revision ) = $dbw->tableNamesN( 'recentchanges', 'revision' );
$this->output( "Updating links and size differences...\n" );
# Fill in the rc_last_oldid field, which points to the previous edit
$sql = "SELECT rc_cur_id,rc_this_oldid,rc_timestamp FROM $recentchanges " .
"ORDER BY rc_cur_id,rc_timestamp";
$res = $dbw->query( $sql, DB_MASTER );
$lastCurId = 0;
$lastOldId = 0;
foreach ( $res as $obj ) {
$new = 0;
if ( $obj->rc_cur_id != $lastCurId ) {
# Switch! Look up the previous last edit, if any
$lastCurId = intval( $obj->rc_cur_id );
$emit = $obj->rc_timestamp;
$sql2 = "SELECT rev_id,rev_len FROM $revision " .
"WHERE rev_page={$lastCurId} " .
"AND rev_timestamp<'{$emit}' ORDER BY rev_timestamp DESC";
$sql2 = $dbw->limitResult( $sql2, 1, false );
$res2 = $dbw->query( $sql2 );
$row = $dbw->fetchObject( $res2 );
if ( $row ) {
$lastOldId = intval( $row->rev_id );
# Grab the last text size if available
$lastSize = !is_null( $row->rev_len ) ? intval( $row->rev_len ) : null;
} else {
# No previous edit
$lastOldId = 0;
$lastSize = null;
$new = 1; // probably true
}
}
if ( $lastCurId == 0 ) {
$this->output( "Uhhh, something wrong? No curid\n" );
} else {
# Grab the entry's text size
$size = $dbw->selectField( 'revision', 'rev_len', array( 'rev_id' => $obj->rc_this_oldid ) );
$dbw->update( 'recentchanges',
array(
'rc_last_oldid' => $lastOldId,
'rc_new' => $new,
'rc_type' => $new,
'rc_source' => $new === 1 ? RecentChange::SRC_NEW : RecentChange::SRC_EDIT,
'rc_old_len' => $lastSize,
'rc_new_len' => $size,
), array(
'rc_cur_id' => $lastCurId,
'rc_this_oldid' => $obj->rc_this_oldid,
),
__METHOD__
);
$lastOldId = intval( $obj->rc_this_oldid );
$lastSize = $size;
}
}
}
/**
* Rebuild pass 3
* DOCUMENT ME!
*/
private function rebuildRecentChangesTablePass3() {
$dbw = wfGetDB( DB_MASTER );
$this->output( "Loading from user, page, and logging tables...\n" );
global $wgRCMaxAge, $wgLogTypes, $wgLogRestrictions;
// Some logs don't go in RC. This should check for that
$basicRCLogs = array_diff( $wgLogTypes, array_keys( $wgLogRestrictions ) );
$cutoff = time() - $wgRCMaxAge;
list( $logging, $page ) = $dbw->tableNamesN( 'logging', 'page' );
$dbw->insertSelect(
'recentchanges',
array(
'user',
"$logging LEFT JOIN $page ON (log_namespace=page_namespace AND log_title=page_title)"
),
array(
'rc_timestamp' => 'log_timestamp',
'rc_user' => 'log_user',
'rc_user_text' => 'user_name',
'rc_namespace' => 'log_namespace',
'rc_title' => 'log_title',
'rc_comment' => 'log_comment',
'rc_minor' => 0,
'rc_bot' => 0,
'rc_patrolled' => 1,
'rc_new' => 0,
'rc_this_oldid' => 0,
'rc_last_oldid' => 0,
'rc_type' => RC_LOG,
'rc_source' => $dbw->addQuotes( RecentChange::SRC_LOG ),
'rc_cur_id' => $dbw->cascadingDeletes() ? 'page_id' : 'COALESCE(page_id, 0)',
'rc_log_type' => 'log_type',
'rc_log_action' => 'log_action',
'rc_logid' => 'log_id',
'rc_params' => 'log_params',
'rc_deleted' => 'log_deleted'
),
array(
'log_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
'log_user=user_id',
'log_type' => $basicRCLogs,
),
__METHOD__,
array(), // INSERT options
array( 'ORDER BY' => 'log_timestamp DESC', 'LIMIT' => 5000 ) // SELECT options
);
}
/**
* Rebuild pass 4
* DOCUMENT ME!
*/
private function rebuildRecentChangesTablePass4() {
global $wgUseRCPatrol;
$dbw = wfGetDB( DB_MASTER );
list( $recentchanges, $usergroups, $user ) =
$dbw->tableNamesN( 'recentchanges', 'user_groups', 'user' );
$botgroups = User::getGroupsWithPermission( 'bot' );
$autopatrolgroups = $wgUseRCPatrol ? User::getGroupsWithPermission( 'autopatrol' ) : array();
# Flag our recent bot edits
if ( !empty( $botgroups ) ) {
$botwhere = $dbw->makeList( $botgroups );
$botusers = array();
$this->output( "Flagging bot account edits...\n" );
# Find all users that are bots
$sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
"WHERE ug_group IN($botwhere) AND user_id = ug_user";
$res = $dbw->query( $sql, DB_MASTER );
foreach ( $res as $obj ) {
$botusers[] = $dbw->addQuotes( $obj->user_name );
}
# Fill in the rc_bot field
if ( !empty( $botusers ) ) {
$botwhere = implode( ',', $botusers );
$sql2 = "UPDATE $recentchanges SET rc_bot=1 " .
"WHERE rc_user_text IN($botwhere)";
$dbw->query( $sql2 );
}
}
global $wgMiserMode;
# Flag our recent autopatrolled edits
if ( !$wgMiserMode && !empty( $autopatrolgroups ) ) {
$patrolwhere = $dbw->makeList( $autopatrolgroups );
$patrolusers = array();
$this->output( "Flagging auto-patrolled edits...\n" );
# Find all users in RC with autopatrol rights
$sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
"WHERE ug_group IN($patrolwhere) AND user_id = ug_user";
$res = $dbw->query( $sql, DB_MASTER );
foreach ( $res as $obj ) {
$patrolusers[] = $dbw->addQuotes( $obj->user_name );
}
# Fill in the rc_patrolled field
if ( !empty( $patrolusers ) ) {
$patrolwhere = implode( ',', $patrolusers );
$sql2 = "UPDATE $recentchanges SET rc_patrolled=1 " .
"WHERE rc_user_text IN($patrolwhere)";
$dbw->query( $sql2 );
}
}
}
/**
* Purge cached feeds in $messageMemc
*/
private function purgeFeeds() {
global $wgFeedClasses, $messageMemc;
$this->output( "Deleting feed timestamps.\n" );
foreach ( $wgFeedClasses as $feed => $className ) {
$messageMemc->delete( wfMemcKey( 'rcfeed', $feed, 'timestamp' ) ); # Good enough for now.
}
}
}
$maintClass = "RebuildRecentchanges";
require_once RUN_MAINTENANCE_IF_MAIN;
Zerion Mini Shell 1.0