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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?.
| three | operator | four | equals | result |
|---|---|---|---|---|
| 3 | + | 4 | = | 7 |
| 3 | - | 4 | = | -1 |
| 3 | * | 4 | = | 12 |
| 3 | / | 4 | = | 0.75 |
| 3 | ^ | 4 | = | 81 |
| 3 | % | 4 | = | 3 |