Hive 在多维统计分析中的应用 & 技巧总结
多维统计一般分两种，我们看看 Hive 中如何解决： 1、同属性的多维组合统计 （1）问题： 有如下数据，字段内容分别为：url, catePath0, catePath1, catePath2, unitparams https://cwiki.apache.org/confluence 0 1 8 {"store":{"fruit":[{"weight":1,"type":"apple"},{"weight":9,"type":"pear"}],"bicycle":{"price":19.951,"color":"red1"}},"email":"amy@only_for_json_udf_test.net","owner":"amy1"} http://my.oschina.net/leejun2005/blog/83058 0 1 23 {"store":{"fruit":[{"weight":1,"type":"apple"},{"weight":9,"type":"pear"}],"bicycle":{"price":19.951,"color":"red1"}},"email":"amy@only_for_json_udf_test.net","owner":"amy1"} http://www.hao123.com/indexnt.html?sto 0 1 25 {