def merge_idxs(self, idxs):
        if len(idxs) == 0:
            return self.make_idx_array(0, 0)

        return numpy.concatenate(idxs)
Store ticket changes in the database. The ticket must already exist in
dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/core/vec_wrapper.py/VecWrapper.merge_idxs--crossover with--dataset/ETHPy150Open edgewall/trac/trac/ticket/model.py/Ticket.save_changes