Re: Extended unit

Greg Stark wrote:
> You mean like the traditional units program available on virtually all Unix
> machines?
>
>     $ units
>     2084 units, 71 prefixes, 32 nonlinear units
>
>     You have: 1 lightyear/fortnight
>     You want: m/s
>             * 7.8213711e+09
>             / 1.2785482e-10
>
> That's the program I suggested writing a function to hand this work off to
> (presumably in the form of a dynamic library). Keep the postgres code agnostic
> about the semantics of the units. As long as you stick to linear units then
> Postgres can treat them as opaque strings.

Except that it also says:

    $ units
    510 units, 54 prefixes
    You have: 1 K
    You want: degC
            * 1
            / 1

Which is incorrect, of course. Same for degrees Fahrenheit. The poor
command can't do baseline offsets.

--
Alban Hertroys
MAG Productions

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