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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?.
7 rows affected
| id | state | num | pop | seqnum | new_population |
|---|---|---|---|---|---|
| 2 | nj | 3 | 250 | 1 | 250 |
| 1 | ny | 1 | 100 | 1 | 900 |
| 1 | ny | 2 | 200 | 2 | 900 |
| 1 | ny | 3 | 600 | 3 | 900 |
| 1 | ny | 6 | 400 | 4 | 700 |
| 1 | ny | 7 | 300 | 5 | 700 |
| 1 | ny | 14 | 1000 | 6 | 1000 |