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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?.
4 rows affected
| id | aid | bid | cid | xid | blah | id | xid |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | aaa | 0 | 0 |
| 1 | 0 | 0 | 0 | 1 | bbb | 1 | 1 |
| 2 | 0 | 0 | 1 | 2 | ccc | 2 | 2 |
| 3 | 0 | 0 | 2 | 3 | ddd | 3 | 3 |