def _drop_index_command(self, command, type, index):
        columns = []

        if isinstance(index, list):
            columns = index

            index = self._create_index_name(type, columns)

        return self._index_command(command, columns, index)
display the table types available for the database
dataset/ETHPy150Open sdispater/orator/orator/schema/blueprint.py/Blueprint._drop_index_command--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/dbexts.py/dbexts.tabletypeinfo