Current File : //www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/Drivers/SqlsrvResult.php
<?php
/**
* This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
* Copyright (c) 2005 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Dibi\Drivers;
use Dibi;
/**
* The driver for Microsoft SQL Server and SQL Azure result set.
*/
class SqlsrvResult implements Dibi\ResultDriver
{
use Dibi\Strict;
/** @var resource */
private $resultSet;
/** @var bool */
private $autoFree = true;
/**
* @param resource $resultSet
*/
public function __construct($resultSet)
{
$this->resultSet = $resultSet;
}
/**
* Automatically frees the resources allocated for this result set.
*/
public function __destruct()
{
if ($this->autoFree && $this->getResultResource()) {
$this->free();
}
}
/**
* Returns the number of rows in a result set.
*/
public function getRowCount(): int
{
throw new Dibi\NotSupportedException('Row count is not available for unbuffered queries.');
}
/**
* Fetches the row at current position and moves the internal cursor to the next position.
* @param bool $assoc true for associative array, false for numeric
*/
public function fetch(bool $assoc): ?array
{
return Dibi\Helpers::false2Null(sqlsrv_fetch_array($this->resultSet, $assoc ? SQLSRV_FETCH_ASSOC : SQLSRV_FETCH_NUMERIC));
}
/**
* Moves cursor position without fetching row.
*/
public function seek(int $row): bool
{
throw new Dibi\NotSupportedException('Cannot seek an unbuffered result set.');
}
/**
* Frees the resources allocated for this result set.
*/
public function free(): void
{
sqlsrv_free_stmt($this->resultSet);
}
/**
* Returns metadata for all columns in a result set.
*/
public function getResultColumns(): array
{
$columns = [];
foreach ((array) sqlsrv_field_metadata($this->resultSet) as $fieldMetadata) {
$columns[] = [
'name' => $fieldMetadata['Name'],
'fullname' => $fieldMetadata['Name'],
'nativetype' => $fieldMetadata['Type'],
];
}
return $columns;
}
/**
* Returns the result set resource.
* @return resource|null
*/
public function getResultResource()
{
$this->autoFree = false;
return is_resource($this->resultSet) ? $this->resultSet : null;
}
/**
* Decodes data from result set.
*/
public function unescapeBinary(string $value): string
{
return $value;
}
}
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