Deduplicate actions just happen in query result not for the real stored data.
On Wed, Aug 3, 2022 at 9:10 AM Yuan Tian <[email protected]> wrote: > > Not really delete data, just remove the duplicated data continuously, > like 1111 2222 1111, we will only keep 1 2 1. > > On Tue, Aug 2, 2022 at 8:28 PM Xiangdong Huang <[email protected]> wrote: > > > > A UDF to REMOVE data? (with a query sql to delete data?) > > ----------------------------------- > > Xiangdong Huang > > School of Software, Tsinghua University > > > > 黄向东 > > 清华大学 软件学院 > > > > Zhou Yifu <[email protected]> 于2022年8月2日周二 20:19写道： > > > > > > Hmm… ‘discontinuous’ is much like the antonym of the continuous rather > > > than ‘distinct’ in my opinion. > > > > > > Thanks, > > > Yifu Zhou > > > > > > 获取 Outlook for iOS<https://aka.ms/o0ukef> > > > ________________________________ > > > 发件人: [email protected] <[email protected]> > > > 发送时间: Tuesday, August 2, 2022 7:36:04 PM > > > 收件人: [email protected] <[email protected]> > > > 主题: Re: [DISCUSSION] The name of a UDF > > > > > > Hi, > > > > > > Thanks to reply. > > > I have an another idea : ‘ discontinuous’. This name looks like distinct > > > but have a different meaning. > > > > > > Best, > > > ------------------------------------ > > > Weihao Li > > > > > > > 2022年8月2日 18:53，Zhou Yifu <[email protected]> 写道： > > > > > > > > How about duplicateFilter, which is kind of same as distinct. > > > > > > > > Thanks, > > > > Yifu Zhou > > > > > > > > 获取 Outlook for iOS<https://aka.ms/o0ukef> > > > > ________________________________ > > > > 发件人: Jialin Qiao <[email protected]> > > > > 发送时间: Tuesday, August 2, 2022 6:08:53 PM > > > > 收件人: [email protected] <[email protected]> > > > > 主题: Re: [DISCUSSION] The name of a UDF > > > > > > > > Hi, > > > > > > > > How about mutation > > > > > > > > Thanks, > > > > Jialin Qiao > > > > > > > > On 2022/08/02 07:32:19 "[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 > > > >> > > > >> > > >
