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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 6
| sensor_id | time | value |
|---|---|---|
| 1 | 2018-01-01 01:00:00+00 | 2 |
| 3 | 2018-01-01 04:00:00+00 | 3 |
SELECT 2