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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?.
3 rows affected
4 rows affected
4 rows affected
| id_city | city_name | customers | customers |
|---|---|---|---|
| 1 | new york | {"1,alice","2,betty"} | {"1,256 Roehampton St."} |
| 3 | chicago | {"3,cath","4,daph"} | {"2,920 Cherry Camp Road"} |