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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 14
id | date | Ipad | Laptop | Phone | Keypad |
---|---|---|---|---|---|
1 | Aug-23 | null | 50 | 250 | 100 |
1 | Sep-23 | 200 | 60 | 260 | 100 |
2 | Aug-23 | null | 80 | 220 | 100 |
2 | Sep-23 | 90 | 80 | 100 | 100 |
SELECT 4
id | date | Ipad | Laptop | Phone | Keypad |
---|---|---|---|---|---|
1 | Aug-23 | null | 250 | 100 | 50 |
1 | Sep-23 | 200 | 260 | 100 | 60 |
2 | Aug-23 | null | 220 | 100 | 80 |
2 | Sep-23 | 90 | 100 | 100 | 80 |
SELECT 4