Function element_min

methods/array_ops/src/pg_gp/array_ops.c:1316–1322

* Return min2(elt1, result). * First element if flag == 0 */

 * First element if flag == 0
 */
static
inline
Datum
element_min(Datum element, Oid elt_type, Datum result,
        Oid result_type, Datum opt_elt, Oid opt_type){
    return element_op(element, elt_type, result, result_type, opt_elt, opt_type, float8_min);
}

/*
 * Return max(element, index).