Ok, you can remove this mapping.
Kris Jurka a écrit :
>
> The escape function {fn rand(param)} isn't working on 8.3 servers
> because setseed has been changed to return void and reading the JDBC
> spec, I'm not sure it ever worked as required.
>
> We map "SELECT {fn rand(0.5)}" to "SELECT setseed(0.5)*0+random()" which
> worked in previous servers because the setseed call returned an int.
> Now we get "ERROR: operator does not exist: void * integer". So that's
> our immediate problem, but looking a little closer at the spec shows
> that rand is supposed to take an integer argument, not a float limited
> to 0->1. So at minimum we'd need to remap the parameter range.
>
> Also the spec doesn't say what rand is actually supposed to do. What is
> the purpose of providing a rand function if you have to supply a seed
> every single time. The seed has to be random, so where does that come
> from? Is the idea that you pass the same seed every time and get the
> next value from that seed's stream?
>
> Given the above functional and definitional problems I think the easiest
> course of action is to simply remove the mapping.
>
> Kris Jurka
>
>