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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 3
CREATE TABLE
INSERT 0 3
product | plant | production | sales | week | week_date |
---|---|---|---|---|---|
10011 | ABC32 | 6742 | 425 | 1 | 2001-01-01 |
10011 | ABC32 | 3645 | 364 | 11 | 2001-06-18 |
10011 | DEF10 | 3579 | 879 | 1 | 2001-01-01 |
10011 | DEF10 | 8761 | 501 | 11 | 2001-06-18 |
45891 | GHI22 | 8945 | 904 | 1 | 2001-01-01 |
45891 | GHI22 | 1556 | 395 | 11 | 2001-06-18 |
SELECT 6