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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 4
CREATE TABLE
INSERT 0 4
id | category |
---|---|
100 | 1 |
101 | 1 |
102 | 1 |
103 | 1 |
201 | 2 |
202 | 2 |
SELECT 6
id | category |
---|---|
100 | 1 |
101 | 1 |
102 | 1 |
103 | 1 |
201 | 2 |
202 | 2 |
SELECT 6
id | category |
---|---|
100 | 1 |
101 | 1 |
102 | 1 |
103 | 1 |
201 | 2 |
202 | 2 |
SELECT 6