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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 helloworld(
foobar int,
"foo(bar" int);
INSERT INTO helloworld (foobar,"foo(bar") VALUES (1,1) ,(2,2);
SELECT * FROM helloworld;
CREATE TABLE
INSERT 0 2
| foobar | foo(bar |
|---|---|
| 1 | 1 |
| 2 | 2 |
SELECT 2