| 63 | } |
| 64 | |
| 65 | func (it *Iterator) Seek(key []byte) { |
| 66 | it.seekKey = fmt.Sprintf("/%s", string(it.db.EncodeKey(key))) |
| 67 | q := query.Query{ |
| 68 | Orders: []query.Order{query.OrderByKey{}}, |
| 69 | Filters: []query.Filter{ |
| 70 | query.FilterKeyCompare{Key: it.seekKey, Op: query.GreaterThanOrEqual}, |
| 71 | }, |
| 72 | } |
| 73 | if len(it.seekKey) > 5 { |
| 74 | q.Filters = append(q.Filters, query.FilterKeyPrefix{Prefix: it.seekKey[:5]}) |
| 75 | } |
| 76 | |
| 77 | result, err := it.db.db.Query(it.db.ctx, q) |
| 78 | if err != nil { |
| 79 | logrus.Errorf("failed to query database: %v", err) |
| 80 | return |
| 81 | } |
| 82 | it.results = result |
| 83 | it.current = <-it.results.Next() |
| 84 | } |