COUNT_AGG和COUNTD_AGG的区别是什么?
COUNT_AGG:组内计数(不去重)
COUNTD_AGG:组内「去重」计数
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可以组内也可以非组内
COUNT_AGG-计数:文档-https://help.fanruan.com/finebi/doc-view-4.html?source=4##7
COUNTD_AGG-去重计数:文档-https://help.fanruan.com/finebi/doc-view-4.html?source=4##13