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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
id | customer |
---|---|
4 | Madhuri |
6 | Saina |
SELECT 2
id | customer |
---|---|
4 | Madhuri |
6 | Saina |
SELECT 2
id | customer |
---|---|
4 | Madhuri |
SELECT 1