/*
* call-seq:
* res.fields()
*
* Returns an array of Strings representing the names of the fields in the result.
*
* res=conn.exec("SELECT foo,bar AS biggles,jim,jam FROM mytable")
* res.fields => [ 'foo' , 'biggles' , 'jim' , 'jam' ]
*/
static VALUE
pgresult_fields(obj)
VALUE obj;
{
PGresult *result;
VALUE ary;
int n, i;
result = get_pgresult(obj);
n = PQnfields(result);
ary = rb_ary_new2(n);
for (i=0;i<n;i++) {
rb_ary_push(ary, rb_tainted_str_new2(PQfname(result, i)));
}
return ary;
}