Re: [HACKERS] bug in numeric_power() function - Mailing list pgsql-patches

Alvaro Herrera wrote:
> Bruce Momjian wrote:
>
> > Ah, got it, and I updated the patch to remove the commment about
> > "discrete".
>
> The page also says that 0^x is undefined when x is negative, not sure
> about that one but I don't see it in your patch.

That one was already handled:

    test=> select 0 ^ -1;
    ERROR:  invalid argument for power function
    test=> select 0 ^ -1.0;
    ERROR:  invalid argument for power function

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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

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