func ProcessTask(query []byte) (result []byte, rerr error) { uo := flatbuffers.GetUOffsetT(query) q := new(task.Query) q.Init(query, uo) b := flatbuffers.NewBuilder(0) voffsets := make([]flatbuffers.UOffsetT, q.UidsLength()) uoffsets := make([]flatbuffers.UOffsetT, q.UidsLength()) attr := string(q.Attr()) for i := 0; i < q.UidsLength(); i++ { uid := q.Uids(i) key := posting.Key(uid, attr) pl := posting.GetOrCreate(key, dataStore) var valoffset flatbuffers.UOffsetT if val, err := pl.Value(); err != nil { valoffset = b.CreateByteVector(x.Nilbyte) } else { valoffset = b.CreateByteVector(val) } task.ValueStart(b) task.ValueAddVal(b, valoffset) voffsets[i] = task.ValueEnd(b) ulist := pl.GetUids() uoffsets[i] = x.UidlistOffset(b, ulist) } task.ResultStartValuesVector(b, len(voffsets)) for i := len(voffsets) - 1; i >= 0; i-- { b.PrependUOffsetT(voffsets[i]) } valuesVent := b.EndVector(len(voffsets)) task.ResultStartUidmatrixVector(b, len(uoffsets)) for i := len(uoffsets) - 1; i >= 0; i-- { b.PrependUOffsetT(uoffsets[i]) } matrixVent := b.EndVector(len(uoffsets)) task.ResultStart(b) task.ResultAddValues(b, valuesVent) task.ResultAddUidmatrix(b, matrixVent) rend := task.ResultEnd(b) b.Finish(rend) return b.Bytes[b.Head():], nil }