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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\Pgsql;
use Zend\Db\Adapter\Driver\ResultInterface;
use Zend\Db\Adapter\Exception;
class Result implements ResultInterface
{
/**
* @var resource
*/
protected $resource = null;
/**
* @var int
*/
protected $position = 0;
/**
* @var int
*/
protected $count = 0;
/**
* @var null|mixed
*/
protected $generatedValue = null;
/**
* Initialize
*
* @param $resource
* @param $generatedValue
* @return void
* @throws Exception\InvalidArgumentException
*/
public function initialize($resource, $generatedValue)
{
if (! is_resource($resource) || get_resource_type($resource) != 'pgsql result') {
throw new Exception\InvalidArgumentException('Resource not of the correct type.');
}
$this->resource = $resource;
$this->count = pg_num_rows($this->resource);
$this->generatedValue = $generatedValue;
}
/**
* Current
*
* @return array|bool|mixed
*/
public function current()
{
if ($this->count === 0) {
return false;
}
return pg_fetch_assoc($this->resource, $this->position);
}
/**
* Next
*
* @return void
*/
public function next()
{
$this->position++;
}
/**
* Key
*
* @return int|mixed
*/
public function key()
{
return $this->position;
}
/**
* Valid
*
* @return bool
*/
public function valid()
{
return ($this->position < $this->count);
}
/**
* Rewind
*
* @return void
*/
public function rewind()
{
$this->position = 0;
}
/**
* Buffer
*
* @return null
*/
public function buffer()
{
return;
}
/**
* Is buffered
*
* @return false
*/
public function isBuffered()
{
return false;
}
/**
* Is query result
*
* @return bool
*/
public function isQueryResult()
{
return (pg_num_fields($this->resource) > 0);
}
/**
* Get affected rows
*
* @return int
*/
public function getAffectedRows()
{
return pg_affected_rows($this->resource);
}
/**
* Get generated value
*
* @return mixed|null
*/
public function getGeneratedValue()
{
return $this->generatedValue;
}
/**
* Get resource
*/
public function getResource()
{
// TODO: Implement getResource() method.
}
/**
* Count
*
* (PHP 5 >= 5.1.0)<br/>
* Count elements of an object
* @link http://php.net/manual/en/countable.count.php
* @return int The custom count as an integer.
* </p>
* <p>
* The return value is cast to an integer.
*/
public function count()
{
return $this->count;
}
/**
* Get field count
*
* @return int
*/
public function getFieldCount()
{
return pg_num_fields($this->resource);
}
}