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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?.
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person_key js
1 {"age" : 25, "gender" : "M", "email" : ["test@mail.com", "test_2@gmail.com", "test_3@gmail.com"]}
2 {"age" : 35, "gender" : "F", "email" : ["sample_2@gmail.com"]}