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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?.
| row_to_json |
|---|
| {"message":"any text","sentiment":"positive","classification":["mobile","communication"]} |
SELECT 1
| json_object_agg |
|---|
| { "classification 1" : "mobile", "classification 2" : "communication", "message" : "any text", "sentiment" : "positive" } |
SELECT 1