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从数据库中捞取某个字段和为特定值的记录

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从数据库中捞取某个字段和为特定值的记录

1.假设表t_pay中有一个字段为amount,int类型；现在需要从表中随机捞取一批记录，满足2000>sum(amount)>10000,请问有没有什么好的方法


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把id,amount放到一个map，存到redis。
然后。。


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