【mysql】一维数据TopN的趋势图

创建数据表语句

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数据表数据

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对上述数据进行TopN排名

select severity,sum(count) as sum from widgt_23 where insertTstamp>='2016-12-05 17:40:00' and insertTstamp<='2016-12-05 18:00:00' group by binary(severity) order by sum desc limit 10;

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获取趋势图数据

select * from widgt_23 where insertTstamp>='2016-12-05 17:40:00' and insertTstamp<='2016-12-05 18:00:00' and severity=binary('Info') ;

来自为知笔记(Wiz)