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Posted to dev@kylin.apache.org by zzh52007 <52...@qq.com> on 2020/12/24 05:06:20 UTC

Kylin RealTime 时间衍生维度会参与CUBE计算么?

各位老师好:
      当使用 kylin V3.1.1 创建RealTime任务时,在 streaming table 中 day_start
、hour_start等维度是report_time 字段的衍生时间维度,在设计CUBE模型时 ,day_start
、hour_start等维度显示的type 是 normal  ,但是预期显示的应该是derived ,那么请教下,在构建cube时
,day_start 、hour_start等维度是否参与计算呢? 如果需要时间强制维度,应该选择 report_time 还是选择 
day_start 、hour_start? 谢谢 。

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Re: Re:Kylin RealTime 时间衍生维度会参与CUBE计算么?

Posted by zzh52007 <52...@qq.com>.
谢谢您的回答 ,完美解决了我的疑惑。

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Re:Kylin RealTime 时间衍生维度会参与CUBE计算么?

Posted by Xiaoxiang Yu <xx...@apache.org>.
Hi,
    Real-time OLAP didn't not support dimension table and there is not any derived dimension column in Real-time Cube. So XXX_start column have to be normal column and will be included in rowkey.

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Best wishes to you ! 
From :Xiaoxiang Yu





在 2020-12-24 13:06:20,"zzh52007" <52...@qq.com> 写道:
>各位老师好:
>      当使用 kylin V3.1.1 创建RealTime任务时,在 streaming table 中 day_start
>、hour_start等维度是report_time 字段的衍生时间维度,在设计CUBE模型时 ,day_start
>、hour_start等维度显示的type 是 normal  ,但是预期显示的应该是derived ,那么请教下,在构建cube时
>,day_start 、hour_start等维度是否参与计算呢? 如果需要时间强制维度,应该选择 report_time 还是选择 
>day_start 、hour_start? 谢谢 。
>
>--
>Sent from: http://apache-kylin.74782.x6.nabble.com/