@ScalarOperator(LESS_THAN_OR_EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean lessThanOrEqual(@SqlType(StandardTypes.INTEGER) long left, @SqlType(StandardTypes.INTEGER) long right)
    {
        return left <= right;
    }
@Test
    public void testLessThanOrEqual()
    {
        assertFunction("INTEGER'37' <= INTEGER'37'", BOOLEAN, true);
        assertFunction("INTEGER'37' <= INTEGER'17'", BOOLEAN, false);
        assertFunction("INTEGER'17' <= INTEGER'37'", BOOLEAN, true);
        assertFunction("INTEGER'17' <= INTEGER'17'", BOOLEAN, true);
    }