Hi Uday,

I'm curious what use case(s) you have in mind for knowing how often a
specific numerical value appears in a document's (dv) field?

Matt

On Thu, Feb 13, 2025 at 2:09 PM Mikhail Khludnev <m...@apache.org> wrote:

>  Hi
> These term* functions are for indexed fields (inverted index) per se.
> I'm wondering if it's ever possible to implement them for points or dv
> columns.
>
> On Thu, Feb 13, 2025 at 1:51 PM Uday Kumar <uday.p...@indiamart.com
> .invalid>
> wrote:
>
> > Hi,
> > As a part of In-Place updates POC, I am testing schema and functionality
> by
> > running queries using different function queries
> >
> > *sample schema:*
> > <fieldType name="int" class="solr.IntPointField" omitNorms="true"
> > positionIncrementGap="0" docValues="true"/>
> > <field name="InPlaceField" type="int" indexed="false" stored="false"
> > required="false" omitNorms="true" multiValued="false"/>
> >
> > *I have found the termfreq() function is not working on pointFields. i.e
> > giving "0" always*
> >
> > *Sample Query:*
> > q.alt=*:*&fl=testValue:*termfreq(InPlaceField,699)*
> >
> > Other functions which are not working:
> > sumtotaltermfreq(), tf(), totaltermfreq() etc
> >
> > I have found this link (https://issues.apache.org/jira/browse/SOLR-13757
> ),
> > where it mentioned it does not support
> >
> > Do we have any alternative for the same without impacting performance of
> > solr?
> >
> > *Thanks & Regards,*
> > *Uday Kumar*
> >
> >
> > On Wed, Feb 12, 2025 at 6:42 AM Uday Kumar <uday.p...@indiamart.com>
> > wrote:
> >
> > > Okay, thanks for confirming
> > >
> > > On Tue, Feb 11, 2025, 18:47 Matthias Krüger <
> > > mkrue...@opensourceconnections.com> wrote:
> > >
> > >> Yes. The only advantage of "atomic update" is that you don't need to
> > send
> > >> all fields in an update. Still all fields
> > >> will get re-analyzed (the ones that were not part of the request are
> > >> restored from their stored field value)
> > >> and reindexed. It is more of a convenience feature than a performance
> > >> improvement.
> > >>
> > >> In-place updates happen on DocValues only. They are just overwritten
> > with
> > >> their new value without affecting
> > >> the rest of the document. An ecom use case would be volatile numeric
> > >> values
> > >> such as stock levels or pricing information.
> > >> You can use them in filters, facets and get them as part of the
> document
> > >> response.
> > >>
> > >>
> > >> On Tue, Feb 11, 2025 at 1:26 PM Uday Kumar <uday.p...@indiamart.com
> > >> .invalid>
> > >> wrote:
> > >>
> > >> > Okay got it!
> > >> >
> > >> > So, to summarize
> > >> >
> > >> > when a field needs to be updated,
> > >> > *by traditional update:*
> > >> > all fields are changed and entire document is reindexed/replaced
> > >> >
> > >> > *by atomic update:*
> > >> > specific fields are changed and document is reindexed
> > >> >
> > >> > *by in-place update:*
> > >> > Only specific fields are changed and those specific fields are
> > reindexed
> > >> >
> > >> > Hope, my understanding is right...?
> > >> >
> > >> > *Thanks & Regards,*
> > >> > *Uday Kumar*
> > >> > *Product Search Tech*
> > >> >
> > >> >
> > >> > On Tue, Feb 11, 2025 at 5:02 PM Mikhail Khludnev <m...@apache.org>
> > >> wrote:
> > >> >
> > >> > > Hello please find the comments inline
> > >> > >
> > >> > > On Tue, Feb 11, 2025 at 12:43 PM Uday Kumar <
> > uday.p...@indiamart.com
> > >> > > .invalid>
> > >> > > wrote:
> > >> > >
> > >> > > > Hi all,
> > >> > > > *In Place updates:*
> > >> > > > Works with fields which are non-indexed and non-stored
> > >> > >
> > >> > >
> > >> > > docValue-based numeric fields.
> > >> > >
> > >> > >
> > >> > > > 1. This meant we cannot query on this field and cannot display
> the
> > >> > value
> > >> > > of
> > >> > > > the field.
> > >> > > >
> > >> > > Such fields at least might be queried with range query parser, but
> > >> iirc
> > >> > > (but might be wrong), there's a handling in regular term:query
> > syntax
> > >> for
> > >> > > such fields.
> > >> > >
> > >> > >
> > >> > > > 2. Found one contradictory statement in *in-place* updates
> section
> > >> > > > Link
> > >> > > > <
> > >> > > >
> > >> > >
> > >> >
> > >>
> >
> https://solr.apache.org/guide/solr/latest/indexing-guide/partial-document-updates.html#in-place-updates
> > >> > > > >
> > >> > > > "In regular
> > >> > >
> > >> > >  **atomic updates,**
> > >> > >
> > >> > > > the entire document is reindexed internally
> > >> > > > during the application of the update.
> > >> > >
> > >> > >
> > >> > >
> > >> > > > However, in this approach,
> > >> > >
> > >> > > (implying in-place udt)
> > >> > >
> > >> > > > only the
> > >> > > > fields to be updated are affected and the rest of the documents
> > are
> > >> not
> > >> > > > reindexed internally"
> > >> > > >
> > >> > > > Isn't this contradictory with the atomic updates concept?
> > >> > > >
> > >> > > Yes. It is clear to me. Don't see a contraction.
> > >> > >
> > >> > > Please share your experiment results afterwards.
> > >> > >
> > >> > >
> > >> > > --
> > >> > > Sincerely yours
> > >> > > Mikhail Khludnev
> > >> > >
> > >> >
> > >>
> > >
> >
>
>
> --
> Sincerely yours
> Mikhail Khludnev
>

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