On 2021-01-18 16:34, Tom Lane wrote:
> Peter Eisentraut <peter.eisentraut@enterprisedb.com> writes:
>> [ assorted nits ]
>
> At the level of bikeshedding ... I quite dislike using the name "popcount"
> for these functions. I'm aware that some C compilers provide primitives
> of that name, but I wouldn't expect a SQL programmer to know that;
> without that context the name seems pretty random and unintuitive.
> Moreover, it invites confusion with SQL's use of "pop" to abbreviate
> "population" in the statistical aggregates, such as var_pop().
I was thinking about that too, but according to
<https://en.wikipedia.org/wiki/Hamming_weight>, popcount is an accepted
high-level term, with "pop" also standing for "population".