q=+{!edismax qf='title^5 summary' v=$pq} {!parent which='parent:true'
score=max v=$favorsAU}&pq=great&favorsAU=#_parent_:false
{!func}product(field(rating),query($AU,1))&AU=country:AU^=2> > On Tue, Jul 4, 2023 at 9:43 PM Mikhail Khludnev <m...@apache.org> wrote: > >> Hello Ned. >> Make sure you check the guide first >> https://solr.apache.org/guide/solr/latest/query-guide/searching-nested-documents.html#parent-query-parser >> Note that Solr syntax is cumbersome. >> Basically you need to combine two queries parent and joined parents. >> q=+{!edismax qf='title^5 summary' v=$pq} {!parent which='parent:true' >> score=max v='+docType:author country:Au^=10'}&pq=great >> After every attempt check debugQuery=true output to make sure the query >> is pared as expected. >> It make sense to start with JSON Query DSL. >> Good luck. >> >> On Tue, Jul 4, 2023 at 5:44 PM nedyalko.zhe...@freelance.de.INVALID >> <nedyalko.zhe...@freelance.de.invalid> wrote: >> >>> >>> Hello everyone, >>> >>> we are using Solr for about 2 years and now we want to extend our >>> queries to improve the relevance. In our case we have parent and child >>> documents and in some cases child documents could help us to improve the >>> way we are sorting the results. The problem is we didn't find at the moment >>> an easy way to boost parent documents based on their child documents and we >>> think we are doing something wrong, as this is a common use case. This >>> could be an example of parent and child document: >>> >>> - Parent document >>> { >>> "_parent_": true, >>> "_root_": "book/1" >>> "id": "book/1", >>> "docType": "book", >>> "title": "Great expectations" >>> "summary": "... some text ..." >>> } >>> >>> - Child document >>> { >>> "_parent_": false, >>> "_root_": "book/1" >>> "id": "author/1", >>> "docType": "author", >>> "name": "Charles Dickens" >>> "country": "England" >>> "rating": 4.6 >>> } >>> >>> This could be a query: >>> q=great >>> &defType=edismax >>> &qf=title^5 summary >>> &fq=docType:book >>> &fl=*,score >>> >>> Now, how to extend this query if we want to add the rating field from >>> author document to the related book document score? Furthermore, what if we >>> want to boost books written by Australian authors adding two times their >>> rating value? In both cases, how to get only parent documents in the result? >>> >>> Thank you in advance. >>> Ned >>> >> >> >> -- >> Sincerely yours >> Mikhail Khludnev >> > > > -- > Sincerely yours > Mikhail Khludnev > -- Sincerely yours Mikhail Khludnev
