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?.
| varchars | my_date |
|---|---|
| text1 | 2020-02-10 |
| text2 | 2020-02-10 |
| text3 | 2020-02-10 |
| text1 | 2020-02-11 |
| text2 | 2020-02-11 |
| text3 | 2020-02-11 |
| text1 | 2020-02-12 |
| text2 | 2020-02-12 |
| text3 | 2020-02-12 |
| text1 | 2020-02-13 |
| text2 | 2020-02-13 |
| text3 | 2020-02-13 |
| text1 | 2020-02-14 |
| text2 | 2020-02-14 |
| text3 | 2020-02-14 |
| text1 | 2020-02-15 |
| text2 | 2020-02-15 |
| text3 | 2020-02-15 |