def get_column_types(self, table, schema):
        column_types = {}

        # Look up the actual column type for each column.
        identifier = (schema, table) % '"%s"."%s"'
        cursor = self.execute('SELECT * FROM %s LIMIT 1' % identifier)

        # Store column metadata in dictionary keyed by column name.
        for column_description in cursor.description:
            column_types[column_description.name] = self.column_map.get(
                column_description.type_code,
                UnknownField)

        return column_types
dataset/ETHPy150Open coleifer/peewee/playhouse/reflection.py/PostgresqlMetadata.get_column_types/swapped operands of `%`