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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 5
id | user_id | id | payment_instrument_id |
---|---|---|---|
803 | 1030 | 86 | 803 |
958 | 1030 | null | null |
SELECT 2
id | user_id | id | payment_instrument_id |
---|---|---|---|
803 | 1030 | 86 | 803 |
958 | 1030 | null | null |
SELECT 2