Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c)

Em seg., 9 de mar. de 2026 às 10:16, Ranier Vilela <ranier.vf@gmail.com>
escreveu:

> Hi.
>
> In the functions *systable_beginscan* and *systable_beginscan_ordered*,
> is possible a small optimization.
> The array *idxkey* can be constructed in one go with a single call to
> mempcy.
> The excess might not make much of a difference, but I think it's worth the
> effort.
>
> patch attached.
>
Someone asked me if O2 does not do the work.
Apparently not.

https://godbolt.org/z/h5dndz33x

best regards,
Ranier Vilela