lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Emir Arnautović <emir.arnauto...@sematext.com>
Subject Re: Parallelizing queries without Custom Component
Date Mon, 15 Jan 2018 16:33:12 GMT
Hi Max,
It seems to me that you are looking for grouping https://lucene.apache.org/solr/guide/6_6/result-grouping.html
<https://lucene.apache.org/solr/guide/6_6/result-grouping.html> or field collapsing
https://lucene.apache.org/solr/guide/6_6/collapse-and-expand-results.html <https://lucene.apache.org/solr/guide/6_6/collapse-and-expand-results.html>
feature.

HTH,
Emir
--
Monitoring - Log Management - Alerting - Anomaly Detection
Solr & Elasticsearch Consulting Support Training - http://sematext.com/



> On 15 Jan 2018, at 17:27, Max Bridgewater <max.bridgewater@gmail.com> wrote:
> 
> Hi,
> 
> My index is composed of product reviews. Each review contains the id of the
> product it refers to. But it also contains a rating for this product and
> the number of negative feedback provided on this product.
> 
> {
>   id: solr doc id,
>   rating: number between 0 and 5,
>   product_id: the product that is being reviewed,
>   negative_feedback: how many negative feedbacks on this product
> }
> 
> The query below returns the "worst" review for the given product  7453632.
> Worst is defined as  rated 1 to 3 and having the highest number of negative
> feedback.
> 
> /select?q=product_id:7453632&fq=rating:[1 TO 3]&sort=negative_feedback
> desc&rows=1
> 
> The query works as intended. Now the challenging part is to extend this
> query to support many product_id. If executed with many product Id, the
> result should be the list of worst reviews for all the provided products.
> 
> A query of the following form would return the list of worst products for
> products: 7453632,645454,534664.
> 
> /select?q=product_id:[7453632,645454,534664]&fq=rating:[1 TO
> 3]&sort=negative_feedback desc
> 
> Is there a way to do this in Solr without custom component?
> 
> Thanks.
> Max


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message