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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 2
CREATE TABLE
INSERT 0 3
CREATE TABLE
INSERT 0 3
| id | data1_cnt | data2_cnt |
|---|---|---|
| A | 2 | 0 |
| B | 1 | 3 |
SELECT 2