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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?.
| val | ?column? |
|---|---|
| qwge1/dg2/hjetg3 | t |
| tahry4/rtg5 | t |
| jtyg6 | t |
| abc | f |
| qwge1/dg2/hjetg | f |
| qwge1/dg2/3 | f |
SELECT 6