By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
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 9
ALTER TABLE
id | start_time | end_time | time_range |
---|---|---|---|
1 | 2024-02-10 01:30:00 | null | ["2024-02-10 01:30:00",infinity) |
2 | 2024-02-10 03:00:00 | null | ["2024-02-10 03:00:00",infinity) |
3 | 2024-02-10 07:00:00 | 2024-02-10 10:30:00 | ["2024-02-10 07:00:00","2024-02-10 10:30:00") |
4 | 2024-02-10 09:00:00 | 2024-02-10 12:00:00 | ["2024-02-10 09:00:00","2024-02-10 12:00:00") |
5 | 2024-02-10 11:30:00 | 2024-02-10 15:00:00 | ["2024-02-10 11:30:00","2024-02-10 15:00:00") |
6 | 2024-02-10 13:30:00 | 2024-02-10 17:30:00 | ["2024-02-10 13:30:00","2024-02-10 17:30:00") |
7 | 2024-02-10 16:00:00 | 2024-02-10 20:00:00 | ["2024-02-10 16:00:00","2024-02-10 20:00:00") |
8 | 2024-02-10 18:30:00 | 2024-02-10 22:00:00 | ["2024-02-10 18:30:00","2024-02-10 22:00:00") |
9 | 2024-02-10 21:00:00 | 2024-02-10 23:30:00 | ["2024-02-10 21:00:00","2024-02-10 23:30:00") |
SELECT 9
id | start_time | end_time | time_range |
---|---|---|---|
1 | 2024-02-10 01:30:00 | null | ["2024-02-10 01:30:00",infinity) |
2 | 2024-02-10 03:00:00 | null | ["2024-02-10 03:00:00",infinity) |
3 | 2024-02-10 07:00:00 | 2024-02-10 10:30:00 | ["2024-02-10 07:00:00","2024-02-10 10:30:00") |
4 | 2024-02-10 09:00:00 | 2024-02-10 12:00:00 | ["2024-02-10 09:00:00","2024-02-10 12:00:00") |
5 | 2024-02-10 11:30:00 | 2024-02-10 15:00:00 | ["2024-02-10 11:30:00","2024-02-10 15:00:00") |
6 | 2024-02-10 13:30:00 | 2024-02-10 17:30:00 | ["2024-02-10 13:30:00","2024-02-10 17:30:00") |
7 | 2024-02-10 16:00:00 | 2024-02-10 20:00:00 | ["2024-02-10 16:00:00","2024-02-10 20:00:00") |
SELECT 7
id | start_time | end_time | time_range |
---|---|---|---|
1 | 2024-02-10 01:30:00 | null | ["2024-02-10 01:30:00",infinity) |
2 | 2024-02-10 03:00:00 | null | ["2024-02-10 03:00:00",infinity) |
3 | 2024-02-10 07:00:00 | 2024-02-10 10:30:00 | ["2024-02-10 07:00:00","2024-02-10 10:30:00") |
4 | 2024-02-10 09:00:00 | 2024-02-10 12:00:00 | ["2024-02-10 09:00:00","2024-02-10 12:00:00") |
5 | 2024-02-10 11:30:00 | 2024-02-10 15:00:00 | ["2024-02-10 11:30:00","2024-02-10 15:00:00") |
6 | 2024-02-10 13:30:00 | 2024-02-10 17:30:00 | ["2024-02-10 13:30:00","2024-02-10 17:30:00") |
7 | 2024-02-10 16:00:00 | 2024-02-10 20:00:00 | ["2024-02-10 16:00:00","2024-02-10 20:00:00") |
SELECT 7
ALTER TABLE
UPDATE 9
ALTER TABLE
id | start_end_time |
---|---|
1 | ["2024-02-10 01:30:00",infinity] |
2 | ["2024-02-10 03:00:00",infinity] |
3 | ["2024-02-10 07:00:00","2024-02-10 10:30:00"] |
4 | ["2024-02-10 09:00:00","2024-02-10 12:00:00"] |
5 | ["2024-02-10 11:30:00","2024-02-10 15:00:00"] |
6 | ["2024-02-10 13:30:00","2024-02-10 17:30:00"] |
7 | ["2024-02-10 16:00:00","2024-02-10 20:00:00"] |
8 | ["2024-02-10 18:30:00","2024-02-10 22:00:00"] |
9 | ["2024-02-10 21:00:00","2024-02-10 23:30:00"] |
SELECT 9
id | start_end_time |
---|---|
1 | ["2024-02-10 01:30:00",infinity] |
2 | ["2024-02-10 03:00:00",infinity] |
3 | ["2024-02-10 07:00:00","2024-02-10 10:30:00"] |
4 | ["2024-02-10 09:00:00","2024-02-10 12:00:00"] |
5 | ["2024-02-10 11:30:00","2024-02-10 15:00:00"] |
6 | ["2024-02-10 13:30:00","2024-02-10 17:30:00"] |
7 | ["2024-02-10 16:00:00","2024-02-10 20:00:00"] |
SELECT 7