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Recent questions tagged 为什么从分布式表中select

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为什么从分布式表中select top 1一条记录就会报查询涉及分区数太多的异常
    我从DolphinDB分布式表查询top 1条记录，代码如下图所示： 执行后报异常：the number of partitions relevant to the query is too large.请问 ... 我 select top 1 from dfstable where TradingDay>=参数1 这样写也不行？...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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