Current File : //www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/Drivers/PdoResult.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;
use Dibi\Helpers;
use PDO;
/**
* The driver for PDO result set.
*/
class PdoResult implements Dibi\ResultDriver
{
use Dibi\Strict;
/** @var \PDOStatement|null */
private $resultSet;
/** @var string */
private $driverName;
public function __construct(\PDOStatement $resultSet, string $driverName)
{
$this->resultSet = $resultSet;
$this->driverName = $driverName;
}
/**
* Returns the number of rows in a result set.
*/
public function getRowCount(): int
{
return $this->resultSet->rowCount();
}
/**
* 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 $assoc): ?array
{
return Helpers::false2Null($this->resultSet->fetch($assoc ? PDO::FETCH_ASSOC : PDO::FETCH_NUM));
}
/**
* 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
{
$this->resultSet = null;
}
/**
* Returns metadata for all columns in a result set.
* @throws Dibi\Exception
*/
public function getResultColumns(): array
{
$count = $this->resultSet->columnCount();
$columns = [];
for ($i = 0; $i < $count; $i++) {
$row = @$this->resultSet->getColumnMeta($i); // intentionally @
if ($row === false) {
throw new Dibi\NotSupportedException('Driver does not support meta data.');
}
$row += [
'table' => null,
'native_type' => 'VAR_STRING',
];
$columns[] = [
'name' => $row['name'],
'table' => $row['table'],
'nativetype' => $row['native_type'],
'type' => $row['native_type'] === 'TIME' && $this->driverName === 'mysql' ? Dibi\Type::TIME_INTERVAL : null,
'fullname' => $row['table'] ? $row['table'] . '.' . $row['name'] : $row['name'],
'vendor' => $row,
];
}
return $columns;
}
/**
* Returns the result set resource.
*/
public function getResultResource(): ?\PDOStatement
{
return $this->resultSet;
}
/**
* Decodes data from result set.
*/
public function unescapeBinary(string $value): string
{
return $value;
}
}
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