"Richard Wang" <ruc_wang(at)hotmail(dot)com> writes:
> I expected 0 ^ 123.3 to be 0, but it reported error as follows
> postgres=# select 0 ^ 123.3;
> ERROR: cannot take logarithm of zero
Hmm, seems like the numeric and float8 power operators don't agree
about 0^0 either...
regards, tom lane