/*
* call-seq:
* res.each{ |tuple| ... }
*
* Invokes block for each tuple in the result set.
*/
static VALUE
pgresult_each(VALUE self)
{
PGresult *result = get_pgresult(self);
int tuple_num;
for(tuple_num = 0; tuple_num < PQntuples(result); tuple_num++) {
rb_yield(pgresult_aref(self, INT2NUM(tuple_num)));
}
return self;
}