SELECT
 COUNT(1)         AS cnt1,
 COUNT(*)         AS cnt2,
 COUNT(member_id) AS cnt3,
 COUNT('hoge')    AS cnt4,
 COUNT(TRUE)      AS cnt5,
 COUNT(FALSE)     AS cnt6,
 COUNT(0)         AS cnt7,
 COUNT(NULL)      AS cnt8
FROM sales_slip
WHERE TD_TIME_RANGE(time, '2006-05-01', '2006-06-01','JST')