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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?.
CREATE TABLE
| id | json_col |
|---|---|
| 1 | { "a": { "x": {"name": "ben", "success": true}, "y": {"name": "sarah", "success": true}, "z": {"name": "john", "success": false} } } |
| 2 | { "a": { "m": {"name": "issac", "success": true}, "n": {"name": "jack", "success": true} } } |
INSERT 0 2
| id | json_col |
|---|---|
| 1 | { "a": { "x": {"name": "ben", "success": true}, "y": {"name": "sarah", "success": true}, "z": {"name": "john", "success": false} } } |
SELECT 1