It seems that in order to be available for FieldValueFeature score calculation,
the field should be 'stored', otherwise it is not present in the document. It
is also seems that indexed/docValue does not matter:
final IndexableField indexableField = document.getField(field);
if (indexableField == null) {
return getDefaultValue();
}
On 2020/04/24 06:39:30, Ashwin Ramesh <ash...@canva.com.INVALID> wrote:
> Hi everybody,
>
> Do we need to have 'indexed=true' to be able to retrieve the value of a
> field via FieldValueFeature or is having docValue=true enough?
>
> Currently, we have some dynamic fields as [dynamicField=true, stored=false,
> indexed=false, docValue=true]. However when we noticing that the value
> extracted is '0.0'.
>
> This is the code I read around FieldFeatureValue:
> https://github.com/apache/lucene-solr/blob/master/solr/contrib/ltr/src/java/org/apache/solr/ltr/feature/FieldValueFeature.java
>
> Thanks,
>
> Ash
>
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