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<?php
namespace MediaWiki\CheckUser\Maintenance;
use MediaWiki\Logging\DatabaseLogEntry;
use MediaWiki\Maintenance\LoggedUpdateMaintenance;
use MediaWiki\RecentChanges\RecentChange;
use Wikimedia\IPUtils;
$IP = getenv( 'MW_INSTALL_PATH' );
if ( $IP === false ) {
$IP = __DIR__ . '/../../..';
}
require_once "$IP/maintenance/Maintenance.php";
/**
* Populate the CheckUser result tables needed for CheckUser queries with
* data from recent changes.
*
* This is automatically run during first installation within update.php
* but --force parameter should be set if you want to manually run thereafter.
*/
class PopulateCheckUserTable extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Populate CheckUser result tables with entries from recentchanges' );
$this->addOption( 'cutoff', 'Cut-off time for rc_timestamp' );
$this->setBatchSize( 100 );
$this->requireExtension( 'CheckUser' );
}
/**
* @inheritDoc
*/
protected function getUpdateKey() {
return __CLASS__;
}
/**
* @inheritDoc
*/
protected function doDBUpdates() {
$db = $this->getPrimaryDB();
// Check if the table is empty
$rcRows = $db->newSelectQueryBuilder()
->table( 'recentchanges' )
->caller( __METHOD__ )
->fetchRowCount();
if ( !$rcRows ) {
$this->output( "recentchanges is empty; nothing to add.\n" );
return true;
}
$cutoff = $this->getOption( 'cutoff' );
if ( $cutoff ) {
// Something leftover... clear old entries to minimize dupes
$cutoff = $db->timestamp( $cutoff );
$db->newDeleteQueryBuilder()
->deleteFrom( 'cu_changes' )
->where( $db->expr( 'cuc_timestamp', '<', $cutoff ) )
->caller( __METHOD__ )
->execute();
$cutoffCond = $db->expr( 'rc_timestamp', '<', $cutoff );
} else {
$cutoffCond = null;
}
$start = (int)$db->newSelectQueryBuilder()
->field( 'MIN(rc_id)' )
->table( 'recentchanges' )
->caller( __METHOD__ )
->fetchField();
$end = (int)$db->newSelectQueryBuilder()
->field( 'MAX(rc_id)' )
->table( 'recentchanges' )
->caller( __METHOD__ )
->fetchField();
// Do remaining chunk
$end += $this->mBatchSize - 1;
$blockStart = $start;
$blockEnd = $start + $this->mBatchSize - 1;
$this->output(
"Starting population of cu_changes with recentchanges rc_id from $start to $end.\n"
);
$services = $this->getServiceContainer();
$commentStore = $services->getCommentStore();
$rcQuery = RecentChange::getQueryInfo();
while ( $blockStart <= $end ) {
$this->output( "...migrating rc_id from $blockStart to $blockEnd\n" );
$queryBuilder = $db->newSelectQueryBuilder()
->fields( $rcQuery['fields'] )
->tables( $rcQuery['tables'] )
->joinConds( $rcQuery['joins'] )
->conds( [
$db->expr( 'rc_id', '>=', $blockStart ),
$db->expr( 'rc_id', '<=', $blockEnd ),
] )
->caller( __METHOD__ );
if ( $cutoffCond ) {
$queryBuilder->andWhere( $cutoffCond );
}
$res = $queryBuilder->fetchResultSet();
$cuChangesBatch = [];
$cuPrivateEventBatch = [];
$cuLogEventBatch = [];
foreach ( $res as $row ) {
$comment = $commentStore->getComment( 'rc_comment', $row );
if ( $row->rc_type == RC_LOG ) {
$logEntry = null;
if ( $row->rc_logid != 0 ) {
$logEntry = DatabaseLogEntry::newFromId( $row->rc_logid, $db );
}
if ( $logEntry === null ) {
$cuPrivateEventBatch[] = [
'cupe_timestamp' => $row->rc_timestamp,
'cupe_actor' => $row->rc_actor,
'cupe_namespace' => $row->rc_namespace,
'cupe_title' => $row->rc_title,
'cupe_comment_id' => $comment->id,
'cupe_page' => $row->rc_cur_id,
'cupe_log_action' => $row->rc_log_action,
'cupe_log_type' => $row->rc_log_type,
'cupe_params' => $row->rc_params,
'cupe_ip' => $row->rc_ip,
'cupe_ip_hex' => IPUtils::toHex( $row->rc_ip ),
];
} else {
$cuLogEventBatch[] = [
'cule_timestamp' => $row->rc_timestamp,
'cule_actor' => $row->rc_actor,
'cule_log_id' => $row->rc_logid,
'cule_ip' => $row->rc_ip,
'cule_ip_hex' => IPUtils::toHex( $row->rc_ip ),
];
}
} else {
$cuChangesRow = [
'cuc_timestamp' => $row->rc_timestamp,
'cuc_namespace' => $row->rc_namespace,
'cuc_title' => $row->rc_title,
'cuc_actor' => $row->rc_actor,
'cuc_comment_id' => $comment->id,
'cuc_minor' => $row->rc_minor,
'cuc_page_id' => $row->rc_cur_id,
'cuc_this_oldid' => $row->rc_this_oldid,
'cuc_last_oldid' => $row->rc_last_oldid,
'cuc_type' => $row->rc_type,
'cuc_ip' => $row->rc_ip,
'cuc_ip_hex' => IPUtils::toHex( $row->rc_ip ),
];
$cuChangesBatch[] = $cuChangesRow;
}
}
if ( count( $cuChangesBatch ) ) {
$db->newInsertQueryBuilder()
->insertInto( 'cu_changes' )
->rows( $cuChangesBatch )
->caller( __METHOD__ )
->execute();
}
if ( count( $cuPrivateEventBatch ) ) {
$db->newInsertQueryBuilder()
->insertInto( 'cu_private_event' )
->rows( $cuPrivateEventBatch )
->caller( __METHOD__ )
->execute();
}
if ( count( $cuLogEventBatch ) ) {
$db->newInsertQueryBuilder()
->insertInto( 'cu_log_event' )
->rows( $cuLogEventBatch )
->caller( __METHOD__ )
->execute();
}
$blockStart += $this->mBatchSize - 1;
$blockEnd += $this->mBatchSize - 1;
$this->waitForReplication();
}
$this->output( "...cu_changes table has been populated.\n" );
// Run the population script for the central indexes now that the local CheckUser tables have been populated
$child = $this->createChild( PopulateCentralCheckUserIndexTables::class );
$child->execute();
return true;
}
}
$maintClass = PopulateCheckUserTable::class;
require_once RUN_MAINTENANCE_IF_MAIN;