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<?php
namespace SilverStripe\ORM\Connect;
use PDOStatement;
use PDO;
use ArrayIterator;
/**
* A result-set from a PDO database.
*/
class PDOQuery extends Query
{
* The internal MySQL handle that points to the result set.
* @var PDOStatement
protected $statement = null;
protected $results = null;
* Hook the result-set given into a Query class, suitable for use by SilverStripe.
* @param PDOStatement $statement The internal PDOStatement containing the results
public function __construct(PDOStatement $statement)
$this->statement = $statement;
// Since no more than one PDOStatement for any one connection can be safely
// traversed, each statement simply requests all rows at once for safety.
// This could be re-engineered to call fetchAll on an as-needed basis
$this->results = $statement->fetchAll(PDO::FETCH_ASSOC);
$statement->closeCursor();
}
public function getIterator()
return new ArrayIterator($this->results);
public function numRecords()
return count($this->results);
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silverstripe-framework
