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-- 添加告警临时表的唯一索引 列有资源id、时间
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ALTER TABLE `b_alarm_trend_temporary` ADD CONSTRAINT unique_resId_and_createTime UNIQUE(resId,createTime);
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-- 删除告警临时表重复数据的
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delete from b_alarm_trend_temporary where id not in (select id from (select count(1) as number,id,createTime,resId from b_alarm_trend_temporary group by createTime,resId having number=1) as c);
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--查询告警临时表又没重复数据
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select count(1) as number,id,createTime,resId from b_alarm_trend_temporary group by createTime,resId having number>1; |
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\ No newline at end of file |
...
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...
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