public static Select select(String fieldName) { return new Select(fieldName);
    }
@Test
    void long_numeric_operations() {
        String q = Q.select("*")
                .from("sd1")
                .where("f1").le(1L)
                .and("f2").lt(2L)
                .and("f3").ge(3L)
                .and("f4").gt(4L)
                .and("f5").eq(5L)
                .and("f6").inRange(6L, 7L)
                .build();

        assertEquals(q, "yql=select * from sd1 where f1 <= 1L and f2 < 2L and f3 >= 3L and f4 > 4L and f5 = 5L and range(f6, 6L, 7L)");
    }