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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
INSERT 0 4
sl_no | username | petname |
---|---|---|
1 | A | XYZ |
1 | A | ABC |
2 | B | RTS |
2 | B | DEF |
3 | C | QWE |
3 | C | GHI |
4 | D | HGD |
4 | D | JKL |
SELECT 8