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?.
2 rows affected
| formula | var1 | var2 | var3 | result |
|---|---|---|---|---|
| var1 + var2 | 12 | 9 | 2 | 21 |
| var3 * (var1 * var2) | 20 | 10 | 1 | 200 |