thecodingmachine / database.tdbm

            $sql .= ' ORDER BY '.$orderString;

        }

        if ($mode !== null && $mode !== self::MODE_CURSOR && $mode !== self::MODE_ARRAY) {

            throw new TDBMException("Unknown fetch mode: '".$this->mode."'");

        }

        $mode = $mode ?: $this->mode;

            throw new TDBMException('Unsupported use of GROUP BY in SQL request.');

        }

        if ($mode !== null && $mode !== self::MODE_CURSOR && $mode !== self::MODE_ARRAY) {

            throw new TDBMException("Unknown fetch mode: '".$mode."'");

        }

        if ($columnsList !== null) {

            $joinSql = '';