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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?.
6 rows affected
| student_id | new_student_id |
|---|---|
| 100001 | 349009 |
| 100002 | 349010 |
| 100003 | 349011 |
| 100004 | 349012 |
| 100005 | 349013 |
| 100006 | 349014 |