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https://issues.apache.org/jira/browse/SOLR-17335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris M. Hostetter updated SOLR-17335:
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Attachment: SOLR-17335.patch
Status: Open (was: Open)
The attached patch refactors some logic out of the existing KnnQParser and into
a new AbstractVectorQParserBase class:
* the {{f}} param field parsing and type validation
* the input vector parsing
* the "pre-filtering" configuration & defaults logic.
The new AbstractVectorQParserBase class is now also extended by a new
VecSimQParser that returns instances of either FloatVectorSimilarityQuery or
ByteVectorSimilarityQuery (depending on to the VectorEncoding of the field type)
Syntax of the new parser is...
{noformat}
{!vecSim f=my_vec_field minReturn=0.7 minTraverse=0.2}[1,2,3,4]
{noformat}
(where {{minTraverse}} is optional and defaults to {{{}-Infinity{}}})
Patch includes testcases and ref-guide updates.
I think it's pretty solid?
/ping [~eliaporciani], [~abenedetti]
> New `vecSim` QParser for Lucene's (Float|Byte)VectorSimilarityQuery classes
> ---------------------------------------------------------------------------
>
> Key: SOLR-17335
> URL: https://issues.apache.org/jira/browse/SOLR-17335
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Assignee: Chris M. Hostetter
> Priority: Major
> Attachments: SOLR-17335.patch
>
>
> Lucene (9.10 i believe?) has added (Float|Byte)VectorSimilarityQuery classes
> as alternatives to KnnVectorQuery -- instead of being configured with a
> 'topK' they are configured with minimum similarity threshold(s) for returning
> results (and limiting the traversal of the graph)
> This ticket tracks adding a Solr QParser for these queries.
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