group.mincount ? Never heard of it. It exists? May be you have in mind facet.mincount and second approach mentioned earlier:
> > > > Next approach was to use facet first with facet.mincount=3, then > > > > find docs ids by every facet result and then delete docs by id. > > > > That way seems to me too complicated for the task. > -----Original Message----- > From: Saurabh Sharma [mailto:saurabh.infoe...@gmail.com] > Sent: Friday, February 14, 2020 4:36 PM > To: solr-user@lucene.apache.org > Subject: Re: Solr grouping with offset > > Hi, > > If you want to sort on your field and want to put a count restriction too then > you have to use mincount. That seems to be best approach for your > problem. > > Thanks > Saurabh > > On Fri, Feb 14, 2020, 6:24 PM Vadim Ivanov < vadim.iva...@spb.ntk- > intourist.ru> wrote: > > > Example of gtouping with empty groups in results: > > Filed1 = rr_group, field2 = rr_updatedate Problem is that I have tens > > of million groups in result and only several thousand with "numFound" > > >2 > > > > "params":{ > > "q":"*:* ", > > "group.sort":"rr_updatedate desc ", > > "group.limit":"-1", > > "fl":"rr_group,rr_adl,rr_createdate,rr_calctaskkey ", > > "group.offset":"2", > > "wt":"json", > > "group.field":"rr_group", > > "group":"true"}}, > > "grouped":{ > > "rr_group":{ > > "matches":41475082, > > "groups":[{ > > "groupValue":"164370:20200707:23:251", > > "doclist":{"numFound":1,"start":2,"docs":[] > > }}, > > { > > "groupValue":"163942:20200708:22:251", > > "doclist":{"numFound":1,"start":2,"docs":[] > > }}, > > { > > "groupValue":"163943:20200708:22:251", > > "doclist":{"numFound":1,"start":2,"docs":[] > > }}, > > { > > "groupValue":"164355:20200708:22:251", > > "doclist":{"numFound":1,"start":2,"docs":[] > > > > > -----Original Message----- > > > From: Paras Lehana [mailto:paras.leh...@indiamart.com] > > > Sent: Friday, February 14, 2020 3:37 PM > > > To: solr-user@lucene.apache.org > > > Subject: Re: Solr grouping with offset > > > > > > It would be better if you give us an example. > > > > > > On Fri, 14 Feb 2020 at 17:20, Vadim Ivanov > > > <vadim.iva...@intourist.ru.invalid> wrote: > > > > > > > Hello guys! > > > > I need an advise. My task is to delete some documents in collection. > > > > Del algorithm is following: > > > > Group docs by field1 with sort by field2 and delete every 3 and > > > > following occurrences in every group. > > > > Unfortunately I didn't find easy way to do so. > > > > Closest approach was to use group.offset = 2, but result set is > > > > polluted with empty groups with no documents (they have less then > > > > 3 > > docs > > > in group). > > > > May be I'm missing smth and there is way not to receive empty > > > > groups in results? > > > > Next approach was to use facet first with facet.mincount=3, then > > > > find docs ids by every facet result and then delete docs by id. > > > > That way seems to me too complicated for the task. > > > > What's the best use case for the task? > > > > > > > > > > > > > -- > > > -- > > > Regards, > > > > > > *Paras Lehana* [65871] > > > Development Engineer, *Auto-Suggest*, IndiaMART InterMESH Ltd, > > > > > > 11th Floor, Tower 2, Assotech Business Cresterra, Plot No. 22, > > > Sector > > 135, > > > Noida, Uttar Pradesh, India 201305 > > > > > > Mob.: +91-9560911996 > > > Work: 0120-4056700 | Extn: > > > *11096* > > > > > > -- > > > * > > > * > > > > > > <https://www.facebook.com/IndiaMART/videos/578196442936091/> > > > >
