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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
CREATE TABLE
INSERT 0 2
INSERT 0 3
DELETE 1
DELETE 0
parent_id | txt |
---|---|
2 | bar |
SELECT 1
child_id | parent_id | txt |
---|---|---|
3 | 2 | baz |
SELECT 1