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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 15.0 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10), 64-bit |
SELECT 1
CREATE TABLE
INSERT 0 5
id | is_skippable | prev | next |
---|---|---|---|
A1 | f | null | A2 |
A2 | t | A1 | A3 |
A3 | f | A2 | null |
B1 | f | null | B2 |
B2 | f | B1 | null |
SELECT 5