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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?.
version |
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PostgreSQL 14.7 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-16), 64-bit |
SELECT 1
CREATE TABLE
INSERT 0 3
CREATE TABLE
INSERT 0 4
report_date | visitors_count | apples_consumed |
---|---|---|
2022-01-01 | 2 | 5 |
2022-02-01 | 3 | 7 |
2022-03-01 | 3 | 2 |
SELECT 3