Current File : /www/varak.net/losik.varak.net/vendor/dibi/dibi/src/Dibi/Drivers/PostgreResult.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 PgSql;
/**
* The driver for PostgreSQL result set.
*/
class PostgreResult implements Dibi\ResultDriver
{
use Dibi\Strict;
/** @var resource|PgSql\Result */
private $resultSet;
/** @var bool */
private $autoFree = true;
/**
* @param resource|PgSql\Result $resultSet
*/
public function __construct($resultSet)
{
$this->resultSet = $resultSet;
}
/**
* Automatically frees the resources allocated for this result set.
*/
public function __destruct()
{
if ($this->autoFree && $this->getResultResource()) {
$this->free();
}
}
/**
* Returns the number of rows in a result set.
*/
public function getRowCount(): int
{
return pg_num_rows($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 $assoc): ?array
{
return Helpers::false2Null(pg_fetch_array($this->resultSet, null, $assoc ? PGSQL_ASSOC : PGSQL_NUM));
}
/**
* Moves cursor position without fetching row.
*/
public function seek(int $row): bool
{
return pg_result_seek($this->resultSet, $row);
}
/**
* Frees the resources allocated for this result set.
*/
public function free(): void
{
pg_free_result($this->resultSet);
}
/**
* Returns metadata for all columns in a result set.
*/
public function getResultColumns(): array
{
$count = pg_num_fields($this->resultSet);
$columns = [];
for ($i = 0; $i < $count; $i++) {
$row = [
'name' => pg_field_name($this->resultSet, $i),
'table' => pg_field_table($this->resultSet, $i),
'nativetype' => pg_field_type($this->resultSet, $i),
];
$row['fullname'] = $row['table']
? $row['table'] . '.' . $row['name']
: $row['name'];
$columns[] = $row;
}
return $columns;
}
/**
* Returns the result set resource.
* @return resource|PgSql\Result|null
*/
public function getResultResource()
{
$this->autoFree = false;
return is_resource($this->resultSet) || $this->resultSet instanceof PgSql\Result
? $this->resultSet
: null;
}
/**
* Decodes data from result set.
*/
public function unescapeBinary(string $value): string
{
return pg_unescape_bytea($value);
}
}
Mini Shell