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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 8
| id | word_count | unique_word_count | description |
|---|---|---|---|
| 1 | 4 | 4 | What a great day |
| 2 | 7 | 6 | This is a product. It is useful |
| 3 | 2 | 2 | ['a', ' ', ' ', 'b'] |
| 4 | 3 | 2 | ['a', ' ', ' ', 'b' b ] |
| 5 | 4 | 2 | ?an? under_score : !an! under_score §$%&/ |
| 6 | 0 | 0 | %& .;:; |
| 7 | 0 | 0 | |
| 8 | 0 | 0 | null |
SELECT 8