$this->cachedTimestamp = $dbr->selectField( 'querycache_info', 'qci_timestamp',
[ 'qci_type' => $this->getName() ], $fname );
}
$this->cachedTimestamp = $dbr->selectField( 'querycache_info', 'qci_timestamp',
[ 'qci_type' => $this->getName() ], $fname );
}