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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 FUNCTION
CREATE FUNCTION
CREATE FUNCTION
unnest_1d |
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1 |
2 |
3 |
4 |
5 |
6 |
SELECT 6
unnest_2d |
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1 |
2 |
3 |
4 |
5 |
6 |
SELECT 6
unnest_2d_1d |
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{1,2} |
{3,4} |
{5,6} |
SELECT 3