In Windows OS that kind of action is referred to as "deduplication" or dedup.





Thanks 

Trevor Hart

Ope Limited

w: http://www.ope.nz/

m: +64212728039








---- On Wed, 03 Aug 2022 01:47:08 +1200 Jialin Qiao <[email protected]> 
wrote ---



Hi, 
 
change_points may be a good option. 
 
Refer to https://help.aliyun.com/document_detail/93197.html 
 
Thanks, 
Jialin Qiao 
 
On 2022/08/02 07:32:19 "mailto:[email protected]"; wrote: 
> Hi everyone, 
> 
> We are developing a UDF to remove a sequence of consecutive identical values 
> (keeping only the first one), but have not come up with a proper name for it. 
> We can't name it ‘distinct' because it has a different meaning. Here are some 
> of the alternatives we came up with, and if you have a better one, we are 
> happy to discuss! 
> 
> 1.removeContinuous 
> 2.removeConsecutiveIdentity 
> 
> The issue related: 
> > https://github.com/apache/iotdb/issues/6751 
> > <https://github.com/apache/iotdb/issues/6751> 
> 
> Best, 
> ------------------------------------ 
> Weihao Li 
> 
>

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