def update_table(self, table_name):
        table_name = self._valid_table_name(table_name)
        self.metadata = MetaData(schema=self.schema)
        self.metadata.bind = self.engine
        self.metadata.reflect(self.engine)
        self._tables[table_name] = SQLATable(table_name, self.metadata,
                                             schema=self.schema)
        return self._tables[table_name]
Reload a table schema from the database.
dataset/ETHPy150Open pudo/dataset/dataset/persistence/database.py/Database.update_table