def load_adjustment_values(self, c):
        """load adjustment values for auto shape types in self"""
        # retrieve auto shape types in const_name order --------
        for mast in self:
            # retriev adj vals for this auto shape type --------
            c.execute(
                '  SELECT name, val\n'
                '    FROM adjustment_values\n'
                '   WHERE prst = ?\n'
                'ORDER BY seq_nmbr', (mast.prst,)
            )
            for name, val in c:
                mast.adj_vals.append(AdjustmentValue(name, val))
load adjustment values for auto shape types in self