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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?.
2 rows affected
ids |
---|
1,2,1,3,4,5,5,6 |
2,3,1,2,3,4 |
res |
---|
{3,4,2,1} |
{1,5,2,4,3,6} |