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select max_value(s0) from root.sg1.d1 where s0<0 group by ([1, 10000000), 1000ms)

实验结果


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如上表所示,可以发现,在进行原始数据查询和聚合查询时,当选择率较低的场景下,查询执行时间有明显的提升,选择率大于50%以及groupby查询的场景下与原有时间持平。

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