Christine Poerschke created SOLR-16994:
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Summary: facilitate date-related FieldValueFeature extensions
(docValues=True only)
Key: SOLR-16994
URL: https://issues.apache.org/jira/browse/SOLR-16994
Project: Solr
Issue Type: Task
Components: contrib - LTR
Reporter: Christine Poerschke
Assignee: Christine Poerschke
Currently having custom features such as relative "document age" or "remaining
shelf life" based on a date field requires duplication of a lot of the
{{FieldValueFeature}} code:
*
[https://github.com/apache/solr/blob/releases/solr/9.3.0/solr/modules/ltr/src/java/org/apache/solr/ltr/feature/FieldValueFeature.java]
The {{NumericDocValuesFieldValueFeatureScorer.readNumericDocValues()}}
implementation already considers the float and double {{NumberType}} choices
and by also considering {{NumberType.DATE}} there we could facilitate
date-related extensions:
*
[https://github.com/apache/solr/blob/releases/solr/9.3.0/solr/modules/ltr/src/java/org/apache/solr/ltr/feature/FieldValueFeature.java#L251]
*
[https://github.com/apache/solr/blob/releases/solr/9.3.0/solr/core/src/java/org/apache/solr/schema/NumberType.java#L27]
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