'Deletes the table \'table_name\'.'

@invalidate_table_constraints
def delete_table(self, table_name, cascade=True):

    params = (self.quote_name(table_name),)
    if cascade:
        self.execute(('DROP    TABLE    %s    CASCADE;' % params))
    else:
        self.execute(('DROP    TABLE    %s;' % params))
