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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?.
5 rows affected
2 rows affected
| id | xyz | ids |
|---|---|---|
| 1 | A | {1,2} |
| 2 | B | {1,2} |
| 3 | C | {3,4,5} |
| 4 | D | {3,4,5} |
| 5 | E | {3,4,5} |