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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 7
CREATE TABLE
INSERT 0 4
| name | amount | label |
|---|---|---|
| dan | -1 | null |
| john | 1 | 0-2 |
| cat | 2 | 2-6 |
| sam | 3 | 2-6 |
| miguel | 4 | 2-6 |
| tom | 5 | 2-6 |
| kyle | 9 | 7+ |
SELECT 7