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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
INSERT 0 1
CREATE TABLE
INSERT 0 2
CREATE TABLE
INSERT 0 2
| json_obj |
|---|
| { "level_one_table": { "id": 1, "level_two_table": [ { "id": 1, "colmun2": "va1", "level_three_table": { "id": 1, "colmun3": "va1" } }, { "id": 2, "colmun2": "va2", "level_three_table": { "id": 2, "colmun3": "va2" } } ] } } |
SELECT 1