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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?.
select version();
| version |
|---|
| PostgreSQL 11.22 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-20), 64-bit |
SELECT 1
select '/1' > '1' as default_collation,
'/1' > '1' collate "C" as c_collation;
| default_collation | c_collation |
|---|---|
| f | f |
SELECT 1