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关键字：LATERAL VIEW， explode，split
SELECT ad_time_slice_index, SUM(impression_count) FROM base_tracking_logs LATERRAL VIEW EXPLODE(SPLIT(ad_time_slices,‘\\,‘)) adalias AS ad_time_slice_index WHERE dt=‘2015-08-01‘ AND hour=‘00‘ AND ad_time_slices=‘1,2,3,4,5,6‘ GROUP BY ad_time_slice_index;
OK
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原文地址：http://www.cnblogs.com/zhouweihit/p/4720526.html
