Current File : /www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/Drivers/OdbcResult.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 interacting with result set via ODBC connections.
*/
class OdbcResult implements Dibi\ResultDriver
{
use Dibi\Strict;
/** @var resource */
private $resultSet;
/** @var bool */
private $autoFree = true;
/** @var int Cursor */
private $row = 0;
/**
* @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()) {
$this->free();
}
}
/**
* Returns the number of rows in a result set.
*/
public function getRowCount(): int
{
// will return -1 with many drivers :-(
return odbc_num_rows($this->resultSet);
}
/**
* 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 $assoc): ?array
{
if ($assoc) {
return Dibi\Helpers::false2Null(odbc_fetch_array($this->resultSet, ++$this->row));
} else {
$set = $this->resultSet;
if (!odbc_fetch_row($set, ++$this->row)) {
return null;
}
$count = odbc_num_fields($set);
$cols = [];
for ($i = 1; $i <= $count; $i++) {
$cols[] = odbc_result($set, $i);
}
return $cols;
}
}
/**
* Moves cursor position without fetching row.
*/
public function seek(int $row): bool
{
$this->row = $row;
return true;
}
/**
* Frees the resources allocated for this result set.
*/
public function free(): void
{
odbc_free_result($this->resultSet);
}
/**
* Returns metadata for all columns in a result set.
*/
public function getResultColumns(): array
{
$count = odbc_num_fields($this->resultSet);
$columns = [];
for ($i = 1; $i <= $count; $i++) {
$columns[] = [
'name' => odbc_field_name($this->resultSet, $i),
'table' => null,
'fullname' => odbc_field_name($this->resultSet, $i),
'nativetype' => odbc_field_type($this->resultSet, $i),
];
}
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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