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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?.
CREATE TABLE
INSERT 0 3
| id | fid | ts | val | fidtarget | fidsource | id | fid | ts | val |
|---|---|---|---|---|---|---|---|---|---|
| 402280209 | 3771 | 2021-09-20 00:00:00 | 2023-12-19 00:00:00 | 3771 | 3782 | 402280209 | 3782 | 2021-09-20 00:00:00 | 2023-12-19 00:00:00 |
| 402280209 | 3782 | 2021-09-20 00:00:00 | 2023-09-20 00:00:00 | 3782 | 3771 | 402280209 | 3771 | 2021-09-20 00:00:00 | 2023-09-20 00:00:00 |
UPDATE 2