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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
CREATE TABLE
INSERT 0 4
the_date | pricing_date | good | quantity | price |
---|---|---|---|---|
2013-08-02 | 2013-08-01 | egg | 1 | 110 |
2013-08-09 | 2013-08-07 | egg | 5 | 120 |
2013-08-02 | 2013-07-30 | pear | 2 | 220 |
2013-08-09 | 2013-08-06 | pear | 7 | 200 |
SELECT 4
the_date | pricing_date | good | quantity | price |
---|---|---|---|---|
2013-08-09 | 2013-08-07 | egg | 5 | 120 |
2013-08-02 | 2013-08-01 | egg | 1 | 110 |
2013-08-09 | 2013-08-06 | pear | 7 | 200 |
2013-08-02 | 2013-07-30 | pear | 2 | 220 |
SELECT 4