产生固定范围升序序号的MySQL查询结果列，不查询任何实际的表

DummyIncrementValueColumn

-- 固定分钟采样数量（防止停服时遗漏采样行）的在线人数分钟采样详单
SET @TOTAL_MINUTES_OF_A_DAY := 24*60;
SET @CURR_MINUTE := 0;
SELECT
	(@CURR_MINUTE := @CURR_MINUTE+1)-1 as sampleId,
	@targetDateBeginTs+60*(@CURR_MINUTE-1) as sampleTimeTs,
	FROM_UNIXTIME(@targetDateBeginTs+60*(@CURR_MINUTE-1)) as sampleTime
FROM
    -- 以下临时表可生成10000种排列组合
	(select 0 union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9) t1,
	(select 0 union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9) t2, 
	(select 0 union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9) t3, 
	(select 0 union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9) t4
WHERE
	@CURR_MINUTE < @TOTAL_MINUTES_OF_A_DAY
;