| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Jean-Luc Lachance <jllachan(at)nsd(dot)ca> |
| Cc: | "PostgreSQL General Help (E-mail)" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Problem with factorial operator |
| Date: | 2002-04-18 03:36:54 |
| Message-ID: | 200204180336.g3I3asb02755@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Jean-Luc Lachance wrote:
> Hi all,
>
> The PG Documentation states:
>
>
> tgl=> select cast(text '44' as int8) ! as "factorial";
> factorial
> ---------------------
> 2673996885588443136
> (1 row)
>
>
> If you try it, you will get the same result, but it is the wrong answer.
> Factorial work up to 20. After that one gets negative results.
I changed the docs to do a 20!.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
| Attachment | Content-Type | Size |
|---|---|---|
| unknown_filename | text/plain | 2.8 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Martijn van Oosterhout | 2002-04-18 03:50:15 | Re: Date precision problem |
| Previous Message | Bruce Momjian | 2002-04-18 03:06:45 | Re: Re : Solaris Performance - Profiling (Solved) |