Retrieve datalogs for given parameter, run(s) and detector

def datalog(self, parameter, run, maxrun=None, det_id='D_ARCA001'):
        "Retrieve datalogs for given parameter, run(s) and detector"
        parameter = parameter.lower()
        if maxrun is None:
            maxrun = run
        with Timer('Database lookup'):
            return self._datalog(parameter, run, maxrun, det_id)