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From ShaoFeng Shi <shaofeng...@apache.org>
Subject Re: what's the "pre-computing" actually meaning in Kylin?
Date Wed, 01 Nov 2017 02:25:08 GMT
You're welcome.

2017-11-01 10:00 GMT+08:00 liubo@fcyun.com <liubo@fcyun.com>:

> Thanks ShaoFeng Shi, I will use the Hive view to pre-compute some business
> balues.
> Hive's ETL function can be a good tool for some computing before load data
> into Kylin cube.
>
> ------------------------------
> liubo@fcyun.com
>
>
> *From:* liubo@fcyun.com
> *Date:* 2017-10-31 12:31
> *To:* user <user@kylin.apache.org>
> *Subject:* what's the "pre-computing" actually meaning in Kylin?
>
>
>
> Hi all,
>     The greate feature of  Kylin is "pre-computing",  but I don't know how
> to use it correctly.
>
> In my recent situation, my pre-compute business logic is, to determine a
> store's validation by its deal numbers per day.
> 1.if the store have more than three deals and every deal money more than
> 5.00, this store is valid in the day.
> or
> 2.if the store have a deal and its money more than 500.00, then it's valid.
>
> My question is, how  and where to place these compute logic?
> I want it should be pre-computed,but I have no ideal how to do it.
>
> In my opinion, it cannot present the compute logic in cube creation.
> And, I don't know how to present the compute login in SQL correctly.
>
>
> Or Kylin just can comput on the already data in the columns?
> The business-logic compute cannot present in the Kylin pre-computing
> function?
>
>
>
>
>
>
> ------------------------------
> liubo@fcyun.com
>
>


-- 
Best regards,

Shaofeng Shi 史少锋

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