def file_id_to_name(self, file_id):
sql = '<STR_LIT>'<EOL>logging.debug('<STR_LIT>', sql, (file_id,))<EOL>self.cursor.execute(sql, (file_id,))<EOL>name = self.cursor.fetchone()<EOL>if name:<EOL><INDENT>return name[<NUM_LIT:0>]<EOL><DEDENT>return '<STR_LIT>'<EOL>
Convert a file id to the file name.