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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 15
user_id min min min
159 2023-01-01 2023-01-30 X
414 2022-07-01 2022-09-30
480 2022-09-02 2022-11-01 X
503 2022-07-19 2022-07-23
SELECT 4