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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 8
values | ct |
---|---|
{A,B,C} | 1 |
{A} | 1 |
{A,B} | 2 |
SELECT 3
values | ct |
---|---|
{A,B,C} | 1 |
{A} | 1 |
{A,B} | 2 |
SELECT 3