PDODatabaseResult.php
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PDODatabaseResult.php
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	<?php

	namespace Keruald\Database\Result;

	use PDO;
	use PDOStatement;

	use Traversable;

	class PDODatabaseResult extends DatabaseResult {

	public function __construct (
	private readonly PDOStatement $statement,
	private readonly int $fetchMode = PDO::FETCH_ASSOC,
	) { }

	///
	/// DatabaseResult implementation
	///

	public function numRows () : int {
	return $this->statement->rowCount();
	}

	public function fetchRow () : ?array {
	$row = $this->statement->fetch($this->fetchMode);

	if ($row === false) {
	return null;
	}

	return $row;
	}

	///
	/// IteratorAggregate implementation
	///

	public function getIterator () : Traversable {
	while ($row = $this->fetchRow()) {
	yield $row;
	}
	}

	}