PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> How to reproduce the problem:
> 1. Generate test data by pgbench with scale_factor 10
> pgbench -i -s 10 -U postgres -p 5434 -d test
> 2. Run query in test database
> select bid, array_agg(ROW(aid,abalance)) from pgbench_accounts group by
> bid;
This is presumably the same issue recently reported at
https://postgr.es/m/flat/atLI5Kce2ie1zcYjU0w_kjtVaxiYbYGTihrkLDmGZQnRDD4pnXukIATaABbnIj9pUnelC4ESvCXMm4HAyHg-v61XABaKpERj0A2IXzJZM7g=(at)dineserve(dot)com
regards, tom lane