Chris M. Hostetter created SOLR-17975:
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Summary: Add support for Lucene's LateInteractionField
Key: SOLR-17975
URL: https://issues.apache.org/jira/browse/SOLR-17975
Project: Solr
Issue Type: New Feature
Reporter: Chris M. Hostetter
Lucene 10.3 added a
[LateInteractionField.|https://lucene.apache.org/core/10_3_1/core/org/apache/lucene/document/LateInteractionField.html].
Basic support for this in Solr would be a new {{FieldType}} and some associated
{{QParser}} support to be able to use tose fields in conjunction iwth Lucene's
{{TestRescoreTopNQuery}} and/or {{LateInteractionRescorer}} (and/or
{{LateInteractionFloatValuesSource}} + {{DoubleValuesSourceRescorer}} -- see
SOLR-17951)
BUT! ... the most complex part of figuring out ow to support
{{LateInteractionField}} in Solr is going to come down to what the field values
should look like when adding/updating docs containing this field -- and what
the query input should look like -- given that the field values are
"multi-dimensional array of floats"
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