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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 14.1 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-4), 64-bit
1 rows affected
299999 rows affected
t_field result
bar$foo$john$doe$xxx bar$foo$john$doe-xxx
783e$2b4$04aa9$eaf$b64ff 783e$2b4$04aa9$eaf-b64ff
QUERY PLAN
Seq Scan on test (cost=0.00..9718.00 rows=300000 width=32) (actual rows=300000 loops=1)
Planning Time: 0.041 ms
Execution Time: 745.485 ms