code: def select_star(
              self, table_name, schema=None, limit=100, show_cols=False,
              indent=True, latest_partition=False, cols=None):
          
          eng = self.get_sqla_engine(
              schema=schema, source=utils.sources.get('sql_lab', None))
          return self.db_engine_spec.select_star(
              self, table_name, schema=schema, engine=eng,
              limit=limit, show_cols=show_cols,
              indent=indent, latest_partition=latest_partition, cols=cols)
docs: Generates a ``select *`` statement in the proper dialect