hql Archives - Tobycc
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hql Tag

hql中的group by不能直接用as重定义的别名进行分组 但是可以将as前整体的计算式作为groub by的一个字段 即可以用字段的计算结果进行分组,但不能直接用别名 例:     select     channel_id,     client_ip,     count(distinct client_cuid) as cuid_num,     (cast(from_unixtime(cast(server_timestamp as int),'HH') as int) * 60 + cast(from_unixtime(cast(server_timestamp as int),'mm') as int) ) as minute     from insight_mc_appsearch_union     where event_day = '20140309'     and activate_flag = '0'     and action_type = '0'     and...