Angel Manuel Diaz Aunion <angel@ipf.uni-karlsruhe.de> writes:
> I want a function, chich output value is an array, and when I create the
> function, it is defined as follows:
>> create function path_inte(path,path) returns _point
>> as '/net/ipfy/angel/postgres/geometry/libMWgeom.so' language 'c';
>>
>> When the function is used, the resultat is always: "{}", so I do not
>> Know if:
> -the function is not well defined, or
> -the output value can not be an array
I don't know of any reason why a C function couldn't return an array,
so the problem is probably in your code...
regards, tom lane