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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 9.3.25 on x86_64-pc-linux-musl, compiled by gcc (Alpine 11.2.1_git20220219) 11.2.1 20220219, 64-bit |
SELECT 1
ERROR: function return row and query-specified return row do not match DETAIL: Returned row contains 3 attributes, but query expects 2.