Current File : //www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/Drivers/MySqliResult.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 MySQL result set.
*/
class MySqliResult implements Dibi\ResultDriver
{
use Dibi\Strict;
/** @var \mysqli_result */
private $resultSet;
/** @var bool */
private $autoFree = true;
/** @var bool Is buffered (seekable and countable)? */
private $buffered;
public function __construct(\mysqli_result $resultSet, bool $buffered)
{
$this->resultSet = $resultSet;
$this->buffered = $buffered;
}
/**
* Automatically frees the resources allocated for this result set.
*/
public function __destruct()
{
if ($this->autoFree && $this->getResultResource()) {
@$this->free();
}
}
/**
* Returns the number of rows in a result set.
*/
public function getRowCount(): int
{
if (!$this->buffered) {
throw new Dibi\NotSupportedException('Row count is not available for unbuffered queries.');
}
return $this->resultSet->num_rows;
}
/**
* 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 $assoc
? $this->resultSet->fetch_assoc()
: $this->resultSet->fetch_row();
}
/**
* Moves cursor position without fetching row.
* @throws Dibi\Exception
*/
public function seek(int $row): bool
{
if (!$this->buffered) {
throw new Dibi\NotSupportedException('Cannot seek an unbuffered result set.');
}
return $this->resultSet->data_seek($row);
}
/**
* Frees the resources allocated for this result set.
*/
public function free(): void
{
$this->resultSet->free();
}
/**
* Returns metadata for all columns in a result set.
*/
public function getResultColumns(): array
{
static $types;
if ($types === null) {
$consts = get_defined_constants(true);
$types = [];
foreach ($consts['mysqli'] ?? [] as $key => $value) {
if (strncmp($key, 'MYSQLI_TYPE_', 12) === 0) {
$types[$value] = substr($key, 12);
}
}
$types[MYSQLI_TYPE_TINY] = $types[MYSQLI_TYPE_SHORT] = $types[MYSQLI_TYPE_LONG] = 'INT';
}
$count = $this->resultSet->field_count;
$columns = [];
for ($i = 0; $i < $count; $i++) {
$row = (array) $this->resultSet->fetch_field_direct($i);
$columns[] = [
'name' => $row['name'],
'table' => $row['orgtable'],
'fullname' => $row['table'] ? $row['table'] . '.' . $row['name'] : $row['name'],
'nativetype' => $types[$row['type']] ?? $row['type'],
'type' => $row['type'] === MYSQLI_TYPE_TIME ? Dibi\Type::TIME_INTERVAL : null,
'vendor' => $row,
];
}
return $columns;
}
/**
* Returns the result set resource.
*/
public function getResultResource(): \mysqli_result
{
$this->autoFree = false;
return $this->resultSet;
}
/**
* Decodes data from result set.
*/
public function unescapeBinary(string $value): string
{
return $value;
}
}
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