2010/10/26 Grzegorz JaÅkiewicz <gryzman@xxxxxxxxx>
2010/10/26 Szymon Guz <mabewlun@xxxxxxxxx>:
>To answer that fully, you would need to see the implementation.
> Well, strange. Why is that slower?
suffice to say,
count(a) does:
if (a <> NULL)
{
Âcount++;
}
and count(*) does:
Âcount++;
Yup, I was afraid of that, even if there is not null on the column... but I think usually nobody notices the difference with count.
regards
Szymon