Re: Numeric performances

Vincenzo Romano <vincenzo.romano@gmail.com> writes:
> It sounds quite strange to me that numeric is faster than bigint.

This test is 100% faulty, because it fails to consider the fact that the
accumulator used by sum() isn't necessarily the same type as the input
data.  In fact we sum ints in a bigint and bigints in a numeric to avoid
overflow.

If you try it with max() you'd likely get less-surprising answers.

            regards, tom lane