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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?.
SELECT 3
SELECT 2
| col1 | col2 | col3 | col4 |
|---|---|---|---|
| 1 | a | x1 | asdc |
| 2 | b | x2 | czxa |
| 3 | c | x3 | xfsdaa |
| null | l | x56 | null |
| null | q | x99 | null |
SELECT 5