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执行此查询时,我遇到了“查询执行期间超出资源”错误:

SELECT date_time,Atok,Segment,
COUNT(Distinct GoogId) AS DistUsers,
SUM(CASE WHEN EventType=1 THEN 1 ELSE 0 END) AS CntImp,
SUM(CASE WHEN EventType=2 THEN 1 ELSE 0 END) AS CntClick,
SUM(CASE WHEN EventType=3 THEN 1 ELSE 0 END) AS CntVisit,
SUM(CASE WHEN EventType=4 THEN 1 ELSE 0 END) AS CntConv,
FROM LogData.unified_logs
GROUP EACH BY 1,2,3;

有任何想法吗?

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1 回答 1

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Count distinct 是罪魁祸首...您应该能够创建一个子查询,该子查询通过计算不同的用户来执行一个额外的组(每个)。

于 2013-04-18T20:43:00.860 回答