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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?.
| version |
|---|
| PostgreSQL 9.6.14 on x86_64-pc-linux-gnu (Debian 9.6.14-1.pgdg80+1), compiled by gcc (Debian 4.9.2-10+deb8u2) 4.9.2, 64-bit |
| user_id | missing_prop_id |
|---|---|
| 100 | 3 |
| 100 | 4 |
| 101 | 1 |
| 101 | 2 |
| 101 | 4 |