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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?.
8 rows affected
| selling_agent | ordernumber | sale_item_1 | sale_item_2 | percentage |
|---|---|---|---|---|
| jim | abc | 1 | 2 | 14.29 |
| steve | abc | 3 | 4 | 33.33 |
| carl | abc | 5 | 6 | 52.38 |
| carl | def | 7 | 8 | 31.25 |
| steve | def | 9 | 9 | 37.50 |
| jim | def | 8 | 7 | 31.25 |
| steve | ghi | 6 | 5 | 61.11 |
| patty | ghi | 4 | 3 | 38.89 |