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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?.
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PostgreSQL 12.6 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), 64-bit |
transaction_isolation |
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read committed |
3 rows affected
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1 | One |
2 | Two |
3 | Three |
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2021-05-13 15:51:11.194766+01 |
y | z |
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1 | One |
2 | Two |
3 | Three |
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2021-05-13 15:51:11.194766+01 |
current_timestamp |
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2021-05-13 15:51:11.195218+01 |
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1 | One |
2 | Two |
3 | Three |
current_timestamp |
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2021-05-13 15:51:11.195218+01 |