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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 9
DDN | TOTAL | END | TRA |
---|---|---|---|
799 | 2 | 1 | 1 |
711 | 3 | 1 | 2 |
SELECT 2
ddn | TOTAL | END | TRA |
---|---|---|---|
799 | 2 | 1 | 1 |
711 | 3 | 1 | 2 |
SELECT 2