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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? |
|---|
| {"a": [1, 2, 3], "b": {"c": 3, "d": 4}, "x": [4, "h", 1]} |
| [1, 2, 3, {"b": {"c": 3, "d": 4}, "x": [4, "h", 1]}] |
| [{"a": [1, 2, 3], "b": {"c": 3}}, 3, "c", 1] |
| {"a": "test", "b": {"c": 3}} |