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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 your_function_output(result numeric);
insert into your_function_output values
('-Infinity'),
(-1),
(0),
(1),
(2.001),
('Infinity'),
('NaN'),
(null);
select * from your_function_output order by result;
CREATE TABLE
INSERT 0 8
| result |
|---|
| -Infinity |
| -1 |
| 0 |
| 1 |
| 2.001 |
| Infinity |
| NaN |
| null |
SELECT 8
select * from your_function_output order by result;
| result |
|---|
| -Infinity |
| -1 |
| 0 |
| 1 |
| 2.001 |
| Infinity |
| NaN |
| null |
SELECT 8