Esempio n. 1
0
fs_value fn_greater_than_equal(fs_query *q, fs_value a, fs_value b)
{
    if (a.valid & fs_valid_bit(FS_V_TYPE_ERROR)) {
	return a;
    }
    if (b.valid & fs_valid_bit(FS_V_TYPE_ERROR)) {
	return b;
    }

    /* URIs and bNodes don't compare */
    if (FS_IS_URI_BN(a.rid) || FS_IS_URI_BN(b.rid)) {
        return fs_value_boolean(0);
    }

    /* If it's simply the same term it must be <= itsself */
    fs_value term_eq = fn_rdfterm_equal(q, a, b);
    if (term_eq.in == 1) {
        return term_eq;
    }

    if (a.attr == fs_c.xsd_datetime && b.attr == fs_c.xsd_datetime)
        return fn_not(q, fn_datetime_less_than(q, a, b));

    if (fs_is_numeric(&a) && fs_is_numeric(&b))
        return fn_logical_or(q, fn_numeric_greater_than(q, a, b), fn_numeric_equal(q, a, b));

    if (FS_IS_URI_BN(a.rid) || FS_IS_URI_BN(b.rid))
        return fs_value_boolean(0);

    if (a.lex && b.lex)
        return fn_not(q, fn_numeric_equal(q,fn_compare(q, a, b), fs_value_integer(-1)));

    return fs_value_error(FS_ERROR_INVALID_TYPE, NULL);
}
Esempio n. 2
0
fs_value fn_less_than(fs_query *q, fs_value a, fs_value b)
{
    if (a.valid & fs_valid_bit(FS_V_TYPE_ERROR)) {
	return a;
    }
    if (b.valid & fs_valid_bit(FS_V_TYPE_ERROR)) {
	return b;
    }
#if 0
fs_value_print(a);
printf(" < ");
fs_value_print(b);
printf("\n");
#endif

    if (a.attr == fs_c.xsd_datetime && b.attr == fs_c.xsd_datetime) return fn_datetime_less_than(q, a, b);
    if (fs_is_numeric(&a)) return fn_numeric_less_than(q, a, b);
    if (a.lex && b.lex) return fn_numeric_equal(q, fn_compare(q, a, b), fs_value_integer(-1));

    return fs_value_error(FS_ERROR_INVALID_TYPE, NULL);
}