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<?php
namespace Laminas\Db\Adapter\Driver\Pgsql;
use Laminas\Db\Adapter\Driver\ResultInterface;
use Laminas\Db\Adapter\Exception;
use PgSql\Result as PgSqlResult;
// phpcs:ignore SlevomatCodingStandard.Namespaces.UnusedUses.UnusedUse
use ReturnTypeWillChange;
use function get_resource_type;
use function is_resource;
use function pg_affected_rows;
use function pg_fetch_assoc;
use function pg_num_fields;
use function pg_num_rows;
class Result implements ResultInterface
{
/** @var resource */
protected $resource;
/** @var int */
protected $position = 0;
/** @var int */
protected $count = 0;
/** @var null|mixed */
protected $generatedValue;
/**
* Initialize
*
* @param resource $resource
* @param int|string $generatedValue
* @return void
* @throws Exception\InvalidArgumentException
*/
public function initialize($resource, $generatedValue)
{
if (
! $resource instanceof PgSqlResult
&& (
! is_resource($resource)
|| 'pgsql result' !== get_resource_type($resource)
)
) {
throw new Exception\InvalidArgumentException('Resource not of the correct type.');
}
$this->resource = $resource;
$this->count = pg_num_rows($this->resource);
$this->generatedValue = $generatedValue;
}
/**
* Current
*
* @return array|bool|mixed
*/
#[ReturnTypeWillChange]
public function current()
{
if ($this->count === 0) {
return false;
}
return pg_fetch_assoc($this->resource, $this->position);
}
/**
* Next
*
* @return void
*/
#[ReturnTypeWillChange]
public function next()
{
$this->position++;
}
/**
* Key
*
* @return int|mixed
*/
#[ReturnTypeWillChange]
public function key()
{
return $this->position;
}
/**
* Valid
*
* @return bool
*/
#[ReturnTypeWillChange]
public function valid()
{
return $this->position < $this->count;
}
/**
* Rewind
*
* @return void
*/
#[ReturnTypeWillChange]
public function rewind()
{
$this->position = 0;
}
/**
* Buffer
*
* @return null
*/
public function buffer()
{
return null;
}
/**
* Is buffered
*
* @return false
*/
public function isBuffered()
{
return false;
}
/**
* Is query result
*
* @return bool
*/
public function isQueryResult()
{
return pg_num_fields($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
*
* @return int The custom count as an integer.
*/
#[ReturnTypeWillChange]
public function count()
{
return $this->count;
}
/**
* Get field count
*
* @return int
*/
public function getFieldCount()
{
return pg_num_fields($this->resource);
}
}