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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 12
CREATE INDEX
CREATE TABLE
INSERT 0 3
card_id |
---|
6 |
8 |
10 |
11 |
12 |
SELECT 5
card_id |
---|
6 |
8 |
10 |
11 |
12 |
SELECT 5