Fix returning for oracle
test is already covered: https://gitlab.cern.ch/mro/common/www/mrest.js/-/blob/master/test/test_BaseKnexREST_rw.js#L55
test is already covered: https://gitlab.cern.ch/mro/common/www/mrest.js/-/blob/master/test/test_BaseKnexREST_rw.js#L55