Hi Sergio,
We are also getting the same error while joining using
method="crossCollection".
We are using Solr 8.11. Did you find a solution for your problem?
Error :
"\u0002\u0011�.responseHeader\n\u0001�&statusP\u0019�(response\n\u0002�(numFound\u0006\u0000\u0000\u0000\u0000�$docs�\n\u0001�)EXCEPTION?\u001ecan
not sort on multivalued field:"
Thanks,
Shaad
On Tue, 2 May 2023 at 09:27, Sergio García Maroto <marot...@gmail.com>
wrote:
> Ok. I am using a different join to work on sharding. This one seems like
> doesn´t allow multivalue field join.
> {!join method=crossCollection from=PersonID to=PersonID fromIndex=document
> v='type:(pdf)'}
>
> Thanks
> Sergio Maroto
>
> On Fri, 28 Apr 2023 at 17:52, Ron Haines <mickr...@gmail.com> wrote:
>
> > using Solr 8.11, and 9.1.
> >
> > ok, looks like I'm doing a: {!join from=group_id_mv
> > fromIndex=primary_rollup to=group_member_id score=none}
> >
> > where 'group_id_mv' is multiValued='true'
> > and 'group_member_id' is multiValued='true'
> >
> > Are you certain the docs you need to join are on the same shard? I
> believe
> > that is a requirement.
> >
> > Ron
> >
> > On Fri, Apr 28, 2023 at 6:48 AM Sergio García Maroto <marot...@gmail.com
> >
> > wrote:
> >
> > > Thanks both for your responses.
> > >
> > > I am on Solr 8.10.1 and I found that as far as I define any field
> > > multivalued. It doesn´t work.
> > > I tried using both multivalue with no luck.
> > >
> > > Hey Ron. You mentioned it works with multivalued fields. What Solr
> > version
> > > are you using?
> > > Can you confirm that please and maybe give a bit more info?
> > >
> > > Thanks a lot
> > > Sergio
> > >
> > >
> > >
> > > On Thu, 27 Apr 2023 at 20:29, Mikhail Khludnev <m...@apache.org>
> wrote:
> > >
> > > > Hi. With regards to having multi-valued fromField
> > > >
> > > >
> > > >
> > >
> >
> org.apache.solr.search.join.CrossCollectionJoinQuery.CrossCollectionJoinQueryWeight#createCloudSolrStream
> > > > requests export handler with sort by fromField
> > > >
> > > > params.set(CommonParams.FL, fromField);
> > > > params.set(CommonParams.SORT, fromField + " asc");
> > > > params.set(CommonParams.QT, "/export");
> > > >
> > > > However, the export handler doesn't sort by mv field
> > > >
> > >
> >
> https://solr.apache.org/guide/8_9/exporting-result-sets.html#specifying-the-sort-criteria
> > > > So, there should be an error somewhere.
> > > >
> > > >
> > > > On Thu, Apr 27, 2023 at 8:48 PM Ron Haines <mickr...@gmail.com>
> wrote:
> > > >
> > > >> For what it's worth, I have recently used the cross collection join.
> > I
> > > >> did
> > > >> make sure that the 2 fields were defined the same, as far as both
> > being
> > > >> 'multi-value'. Although, I am not certain that is a requirement.
> > > >>
> > > >> Now, the other thing I ran into is that my 'documents' collection
> was
> > > >> sharded, say across 5 shards. But, my 'person' collection was on a
> > > single
> > > >> shard. I came to realize that the only time the join was working
> was
> > > for
> > > >> the 'documents' collection documents, that were on the same shard as
> > the
> > > >> 'person' collection. My 'person' collection was quite small. So,
> to
> > > >> address this, I simply replicated my 'person' collection across all
> 5
> > > >> shards.
> > > >>
> > > >> I'm still in the process of 'certifying' if what I described is
> > > >> actually behaving the way I think it should. So far, so good.
> > > >>
> > > >> Ron Haines
> > > >>
> > > >> On Thu, Apr 27, 2023 at 9:53 AM Sergio García Maroto <
> > > marot...@gmail.com>
> > > >> wrote:
> > > >>
> > > >> > Hi,
> > > >> >
> > > >> > I am trying to use crossCollection join to be able to use
> sharding.
> > > >> > I am joining to collections Person and documents. Finding people
> > with
> > > >> > documetns of type pdf. Just realised no people comes back
> > > >> > and noticed PersonID in document core is multivalue field.
> > > >> >
> > > >> > <field name="PersonID" type="string" indexed="true" stored="true"
> > > >> > docValues=
> > > >> > "true" multiValued="true" />
> > > >> >
> > > >> > My query looks like
> > > >> > {!join method=crossCollection from=PersonID to=PersonID
> > > >> fromIndex=document
> > > >> > v='type:(pdf)'}
> > > >> >
> > > >> > Is this feature not working on multivalue fields? Is there any
> other
> > > >> > option?
> > > >> >
> > > >> > Regards
> > > >> > Sergio Maroto
> > > >> >
> > > >>
> > > >
> > > >
> > > > --
> > > > Sincerely yours
> > > > Mikhail Khludnev
> > > > https://t.me/MUST_SEARCH
> > > > A caveat: Cyrillic!
> > > >
> > >
> >
>
