protected function getPreparedSelectSolutionRecordsStatement()
{
if (self::$preparedSelectSolutionRecordsStatement === null) {
$query = "\n\t\t\t\tSELECT pass, points, value1, value2 FROM tst_solutions\n\t\t\t\tWHERE active_fi = ? AND question_fi = ? AND pass < ? ORDER BY pass DESC\n\t\t\t";
self::$preparedSelectSolutionRecordsStatement = $this->db->prepare($query, array('integer', 'integer', 'integer'));
}
return self::$preparedSelectSolutionRecordsStatement;
}
