def select_fields(self, *fields):
if fields:<EOL><INDENT>if not isinstance(fields[<NUM_LIT:0>], basestring): <EOL><INDENT>fields = list(fields[<NUM_LIT:0>]) + list(fields)[<NUM_LIT:1>:]<EOL><DEDENT><DEDENT>for field_name in fields:<EOL><INDENT>field_name = self._normalize_field_name(field_name)<EOL>self.select_field(field_name)<EOL><DEDENT>return self<EOL>
set multiple fields to be selected