Method forward2

pkg/proxy/forward.go:216–230

(s *Slot, r *Request)

}

func (d *forwardHelper) forward2(s *Slot, r *Request) *BackendConn {
	var database, seed = r.Database, r.Seed16()
	if s.migrate.bc == nil && !r.IsMasterOnly() && len(s.replicaGroups) != 0 {
		for _, group := range s.replicaGroups {
			var i = seed
			for range group {
				i = (i + 1) % uint(len(group))
				if bc := group[i].BackendConn(database, seed, false); bc != nil {
					return bc
				}
			}
		}
	}
	return s.backend.bc.BackendConn(database, seed, true)
}