Re: Don't understand error?

James David Smith <james.david.smith@gmail.com> writes:
> When I run my SQL for 50 people it's fine. 1 person is fine. A
> thousand people it's fine. But when I try and run it for the whole
> dataset I'm given this error:

> ERROR: value out of range: underflow
> ****************Error *******************
> Error: Value out of range: underflow
> SQL state: 22003

This looks like an arithmetic problem not a SQL problem.  Is your
calculation working with very small floating-point values anywhere?

            regards, tom lane