use proper order by field
use proper order by field


Former-commit-id: 29ce840e067f75b2ee44179769a9fdfd95062496 [formerly 29ce840e067f75b2ee44179769a9fdfd95062496 [formerly dd7f5d0e10187535077914c8fae6fe487f09d2fc]]
Former-commit-id: 9f7201704242cbaac28524a08a5e7ed8fac59090
Former-commit-id: c1db1d9922bdedc376082a3728c412180039df17
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine