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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?.
10 rows affected
| id | parent_id | parent_name |
|---|---|---|
| 1 | 0 | Kevin Gravey |
| 2 | 0 | John Chen |
| 3 | 0 | Kevin Gravey |
| 4 | 0 | John Chen |
| 5 | 0 | Kevin Gravey |
| 6 | 0 | John Chen |
| 7 | 0 | Kevin Gravey |
| 8 | 0 | John Chen |
| 10 | 0 | Kevin Gravey |
| 11 | 0 | John Chen |