By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| ID | ParentID | DirectP |
|---|---|---|
| 1 | null | 1 |
| 2 | 1 | 1 |
| 3 | 1 | 1 |
| 4 | 3 | 1 |
| 4 | 1 | 0 |
| 5 | 4 | 1 |
| 5 | 3 | 0 |
| 5 | 1 | 0 |
| 6 | 2 | 1 |
| 6 | 1 | 0 |
| ID | ParentID | DirectP |
|---|---|---|
| 1 | null | 1 |
| 2 | 1 | 1 |
| 3 | 1 | 1 |
| 4 | 3 | 1 |
| 4 | 1 | 0 |
| 5 | 4 | 1 |
| 5 | 3 | 0 |
| 5 | 1 | 0 |
| 6 | 2 | 1 |
| 6 | 1 | 0 |