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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?.
| ?column? |
|---|
| [{"book": "Moby Dick", "pagesRead": ["1", "2", "3", "4"]}, {"book": "Book Thief", "pagesRead": ["1", "2"]}, {"book": "Lord Of The Rings", "pagesRead": []}] |
SELECT 1
| jsonb_agg |
|---|
| [{"book": "Moby Dick", "pagesRead": ["1", "2", "3", "4", "42"]}, {"book": "Book Thief", "pagesRead": ["1", "2"]}] |
SELECT 1