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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 19
| player_id | seq_len | time_began |
|---|---|---|
| 395 | 1 | 2018-12-02 13:56:06.83033+00 |
| 399 | 1 | 2018-06-10 17:11:18.041521+01 |
| 756 | 2 | 2018-12-03 00:24:20.880022+00 |
SELECT 3