2010/10/26 Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
> implementation wise, count(*) is faster. Very easy to test:
>
> SELECT COUNT(*) FROM generate_series(1,100) a, generate_series(1,1000) b;
>
> SELECT COUNT(a) FROM generate_series(1,100) a, generate_series(1,1000) b;
>
>
> ;]
>
Well, strange. Why is that slower?