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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?.
DROP TABLE
CREATE TABLE
INSERT 0 9
CREATE FUNCTION
create_pivot_view |
---|
SELECT 1
lbl | colour | percentage | num |
---|---|---|---|
1 | Red | 25.0 | 1 |
2 | Green | 50.0 | 2 |
3 | Blue | 75.0 | 3 |
SELECT 3