By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
3 rows affected
4 rows affected
| id | name | vendor_id | v_id |
|---|---|---|---|
| 5 | Sophie | 1 | 1 |
| 6 | John | 2 | 2 |
| id | name | vendor_id | v_id |
|---|---|---|---|
| 3 | Louis | null | null |
| 4 | Sara | null | null |
| 5 | Sophie | 1 | 1 |
| 6 | John | 2 | 2 |
| id | name | vendor_id | v_id |
|---|---|---|---|
| 5 | Sophie | 1 | 1 |
| 6 | John | 2 | 2 |
| null | null | null | 9 |
| id | name | p_id |
|---|---|---|
| 1 | Anna | 5 |
| 2 | Bob | 6 |
| id | name | p_id |
|---|---|---|
| 1 | Anna | 5 |
| 2 | Bob | 6 |
| 9 | TEST | null |
| id | name | p_id |
|---|---|---|
| null | null | 3 |
| null | null | 4 |
| 1 | Anna | 5 |
| 2 | Bob | 6 |