Sprig_Core::count PHP Метод

    public function count(Database_Query_Builder_Select $query = NULL)
    {
        if (!$query) {
            $query = DB::select();
        }
        $table = is_array($this->_table) ? $this->_table[1] : $this->_table;
        if ($changed = $this->changed()) {
            foreach ($changed as $field => $value) {
                $field = $this->_fields[$field];
                if (!$field->in_db) {
                    continue;
                }
                $query->where("{$table}.{$field->column}", '=', $field->_database_wrap($value));
            }
        }
        return $query->select(array('COUNT("*")', 'total'))->from($this->_table)->execute($this->_db)->get('total');
    }