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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
| item_id | item_name | path_name | id_path_array |
|---|---|---|---|
| 1 | D | B->Two->D | {9,4,1} |
| 2 | E | B->Two->E | {9,4,2} |
SELECT 2