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?.
9 rows affected
| userid | dates |
|---|---|
| 1 | 2021-06-21 00:00:00 |
| 1 | 2021-06-23 00:00:00 |
| 1 | 2021-06-25 00:00:00 |
| 1 | 2021-06-26 00:00:00 |
| 1 | 2021-06-27 00:00:00 |
| 1 | 2021-06-28 00:00:00 |
| 1 | 2021-06-29 00:00:00 |
| 1 | 2021-06-30 00:00:00 |
| 1 | 2021-07-01 00:00:00 |
| 1 | 2021-07-02 00:00:00 |
| 1 | 2021-07-03 00:00:00 |
| 1 | 2021-07-04 00:00:00 |
| 1 | 2021-07-05 00:00:00 |
| 1 | 2021-07-06 00:00:00 |
| 1 | 2021-07-07 00:00:00 |
| 1 | 2021-07-08 00:00:00 |
| 1 | 2021-07-09 00:00:00 |
| 1 | 2021-07-10 00:00:00 |
| 1 | 2021-07-11 00:00:00 |
| 1 | 2021-07-12 00:00:00 |
| 1 | 2021-07-13 00:00:00 |
| 1 | 2021-07-14 00:00:00 |
| 1 | 2021-07-15 00:00:00 |
| 1 | 2021-07-16 00:00:00 |
| 1 | 2021-07-17 00:00:00 |
| 1 | 2021-07-18 00:00:00 |
| 1 | 2021-07-19 00:00:00 |
| 1 | 2021-07-20 00:00:00 |
| 1 | 2021-07-21 00:00:00 |
| 2 | 2021-06-24 00:00:00 |
| 2 | 2021-06-25 00:00:00 |
| 2 | 2021-06-26 00:00:00 |
| 2 | 2021-06-27 00:00:00 |
| 2 | 2021-06-28 00:00:00 |
| 2 | 2021-06-29 00:00:00 |
| 2 | 2021-07-01 00:00:00 |
| 2 | 2021-07-02 00:00:00 |
| 2 | 2021-07-03 00:00:00 |
| 2 | 2021-07-04 00:00:00 |
| 2 | 2021-07-05 00:00:00 |
| 2 | 2021-07-06 00:00:00 |
| 2 | 2021-07-07 00:00:00 |
| 2 | 2021-07-08 00:00:00 |
| 2 | 2021-07-09 00:00:00 |
| 2 | 2021-07-10 00:00:00 |
| 2 | 2021-07-11 00:00:00 |
| 2 | 2021-07-12 00:00:00 |
| 2 | 2021-07-13 00:00:00 |
| 2 | 2021-07-14 00:00:00 |
| 2 | 2021-07-15 00:00:00 |
| 2 | 2021-07-16 00:00:00 |
| 2 | 2021-07-17 00:00:00 |
| 2 | 2021-07-18 00:00:00 |
| 2 | 2021-07-19 00:00:00 |
| 2 | 2021-07-20 00:00:00 |
| 2 | 2021-07-21 00:00:00 |
| 3 | 2021-06-21 00:00:00 |
| 3 | 2021-06-22 00:00:00 |
| 3 | 2021-06-25 00:00:00 |
| 3 | 2021-06-26 00:00:00 |
| 3 | 2021-06-28 00:00:00 |
| 3 | 2021-06-29 00:00:00 |
| 3 | 2021-06-30 00:00:00 |
| 3 | 2021-07-01 00:00:00 |
| 3 | 2021-07-02 00:00:00 |
| 3 | 2021-07-03 00:00:00 |
| 3 | 2021-07-04 00:00:00 |
| 3 | 2021-07-05 00:00:00 |
| 3 | 2021-07-06 00:00:00 |
| 3 | 2021-07-07 00:00:00 |
| 3 | 2021-07-08 00:00:00 |
| 3 | 2021-07-09 00:00:00 |
| 3 | 2021-07-10 00:00:00 |
| 3 | 2021-07-11 00:00:00 |
| 3 | 2021-07-12 00:00:00 |
| 3 | 2021-07-13 00:00:00 |
| 3 | 2021-07-14 00:00:00 |
| 3 | 2021-07-15 00:00:00 |
| 3 | 2021-07-16 00:00:00 |
| 3 | 2021-07-17 00:00:00 |
| 3 | 2021-07-18 00:00:00 |
| 3 | 2021-07-19 00:00:00 |
| 3 | 2021-07-20 00:00:00 |
| 3 | 2021-07-21 00:00:00 |