记录错位方法目的：???select `value` as `value1`,value2,t1.time from testvalue as t1 left join ( sele
记录错位方法
目的：
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select `value` as `value1`,value2,t1.time from testvalue as t1 left join ( select `value` as `value2`,time from testvalue where time > (select time from testvalue order by time asc limit 1 ) ) as t2 ON t1.time = t2.time
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