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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 12.3 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), 64-bit |
4 rows affected
id | country | is_active |
---|---|---|
1 | India | t |
2 | England | f |
3 | Japan | t |
4 | Vietnam | f |
id | country | is_active |
---|---|---|
1 | India | t |
3 | Japan | t |
id | country | is_active |
---|---|---|
2 | England | f |
4 | Vietnam | f |