()
| 50 | } |
| 51 | |
| 52 | func (s *QueryStats) Copy() *QueryStats { |
| 53 | if s == nil { |
| 54 | return nil |
| 55 | } |
| 56 | |
| 57 | copied := &QueryStats{} |
| 58 | copied.Merge(s) |
| 59 | return copied |
| 60 | } |
| 61 | |
| 62 | // AddWallTime adds some time to the counter. |
| 63 | func (s *QueryStats) AddWallTime(t time.Duration) { |