bandwidthThrottle\tokenBucket\storage\PDOStorage::bootstrap PHP Метод

    public function bootstrap($microtime)
    {
        try {
            try {
                $options = $this->forVendor(["mysql" => "ENGINE=InnoDB CHARSET=utf8"]);
                $this->pdo->exec("CREATE TABLE TokenBucket (\n                        name      VARCHAR(128)     PRIMARY KEY,\n                        microtime DOUBLE PRECISION NOT NULL\n                     ) {$options};");
            } catch (\PDOException $e) {
                /*
                 * This exception is ignored to provide a portable way
                 * to create a table only if it doesn't exist yet.
                 */
            }
            $insert = $this->pdo->prepare("INSERT INTO TokenBucket (name, microtime) VALUES (?, ?)");
            $insert->execute([$this->name, $microtime]);
            if ($insert->rowCount() !== 1) {
                throw new StorageException("Failed to insert token bucket into storage '{$this->name}'");
            }
        } catch (\PDOException $e) {
            throw new StorageException("Failed to bootstrap storage '{$this->name}'", 0, $e);
        }
    }