Yes thanks that does make it clear.
Martijn van Oosterhout wrote:
>
> On Sun, Dec 31, 2006 at 08:48:07AM -0800, novnov wrote:
>> Why would not be possible in plpgsql? It has loop etc, the only part I'm
>> not
>> sure it can do it use the variable as field name.
>
> The "dynamic" in dynamic language usually refers to dynamic typing.
> pl/pgsql is a strictly typed language which means one can look at the
> code and determine what type each variable will be.
>
> Languages like perl and python are dynamic because what type a variable
> is does not matter until runtime and the type can change every time you
> run it.
>
> The problem with using a variable as a field name is that you can no
> longer tell what type the result will be. It could be any type
> supported by postgres. pl/pgsql can't handle that, perl and python
> can...
>
> Hope this helps,
> --
> Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/
>> From each according to his ability. To each according to his ability to
>> litigate.
>
>
>
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