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https://issues.apache.org/jira/browse/SOLR-17736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18046384#comment-18046384
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ASF subversion and git services commented on SOLR-17736:
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Commit 26457c3191182b2c8016d837723ebcc3688536a1 in solr's branch
refs/heads/main from Alessandro Benedetti
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=26457c31911 ]
SOLR-17736: introducing support for KNN search on nested vectors (block join)
(#3316)
* first draft
* Only Nested Vectors changes
* first tests draft, parent filter and children filter missing as a test
* tests cleaned
* code cleanup
* draft documentation
* tidy
* tidy
* add best child per document transformer
* add best child per document transformer
* add best child per document transformer
* minor refinement to avoid some instructions
* minor refactor
* Update
solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java
Co-authored-by: Christine Poerschke <[email protected]>
* Update
solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java
Co-authored-by: Christine Poerschke <[email protected]>
* new approach following feedback
* tests fixed for the new approach
* tidy + documentation
* tidy + documentation
* tidy + documentation
* tidy + documentation
* minor
* renaming after feedback
---------
Co-authored-by: Christine Poerschke <[email protected]>
> Introduce support for KNN search on nested vector documents
> -----------------------------------------------------------
>
> Key: SOLR-17736
> URL: https://issues.apache.org/jira/browse/SOLR-17736
> Project: Solr
> Issue Type: New Feature
> Components: vector-search
> Affects Versions: 9.8
> Reporter: Alessandro Benedetti
> Priority: Major
> Labels: pull-request-available
> Attachments: SOLR-17736.patch
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> This issue tracks the work of introducing the support for KNN search on
> nested vector documents, surfacing the Lucene implementation in here:
> https://github.com/apache/lucene/pull/12434
> This allows both:
> -KNN retrieval of children, applying parent filters with no denormalisation
> needed
> -KNN retrieval of parents (based on children KNN, children level prefiltering
> and parent level prefiltering)
> It's one way of having multi-valued vectors per field, per document in Solr.
> More will come soon
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