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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
2 rows affected
6 rows affected
| user_id | amount |
|---|---|
| 1 | 100 |
| 2 | 200 |
| user_id | due | amount |
|---|---|---|
| 1 | 2021-04-01 00:00:00 | 20 |
| 1 | 2021-04-02 00:00:00 | 20 |
| 1 | 2021-04-03 00:00:00 | 20 |
| 2 | 2021-04-01 00:00:00 | 100 |
| 2 | 2021-04-02 00:00:00 | 300 |
| 3 | 2021-04-03 00:00:00 | 20 |
| user_id | due | amount | available | used | remaining |
|---|---|---|---|---|---|
| 1 | 2021-04-01 00:00:00 | 20 | 100 | 20 | 80 |
| 1 | 2021-04-02 00:00:00 | 20 | 80 | 20 | 60 |
| 1 | 2021-04-03 00:00:00 | 20 | 60 | 20 | 40 |
| 2 | 2021-04-01 00:00:00 | 100 | 200 | 100 | 100 |
| 2 | 2021-04-02 00:00:00 | 300 | 100 | 100 | 0 |
| 3 | 2021-04-03 00:00:00 | 20 | 0 | 0 | 0 |