Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> Anyhow, here's the scoop. On my desktop machine running F14, running
> SELECT sum(1) FROM pgbench_accounts in a tight loop, 60 s worth of
> oprofile data:
> 176830 13.0801 postgres postgres ExecProject
Hm, that's weird. In both these cases, I'd have expected that
ExecProject would get optimized away thanks to selection of a physical
tlist for the scan node. Wonder if that got broken ...
regards, tom lane