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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 |
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PostgreSQL 11.13 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.4.1 20200928 (Red Hat 8.4.1-1), 64-bit |
3 rows affected
3 rows affected
code | location_name | sum |
---|---|---|
KL | Kuala Lumpur | 100 |
SG | Singapore | 40 |
JKR | Jakarta | null |