* @implements \IteratorAggregate */ abstract class SqlCommandResult implements SqlResult, \IteratorAggregate { use ForbidCloning; use ForbidSerialization; /** * @param Future $nextResult */ public function __construct( private readonly int $affectedRows, private readonly Future $nextResult ) { } final public function getIterator(): \EmptyIterator { return new \EmptyIterator; } /** * @return null Always returns null for command results. */ final public function fetchRow(): ?array { return null; } /** * @return TResult|null */ public function getNextResult(): ?SqlResult { return $this->nextResult->await(); } /** * @return int Returns the number of rows affected by the command. */ final public function getRowCount(): int { return $this->affectedRows; } /** * @return null Always returns null for command results. */ final public function getColumnCount(): ?int { return null; } }