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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 12.5 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
cola | colb |
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TEST | THIS IS A TEST |
?column? |
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xxxyyy |