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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
| employee_id | starttime | m | array_agg |
|---|---|---|---|
| 1 | 2023-09-01 07:00:00 | 2023-09-01 15:00:00 | {1,2,3,4} |
| 1 | 2023-09-01 23:45:00 | 2023-09-01 23:59:00 | {5,6} |
SELECT 2