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https://issues.apache.org/jira/browse/SOLR-12697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344640#comment-17344640
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Tom Gilke commented on SOLR-12697:
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Hi [~cpoerschke],
I like the idea of connecting the stored fields.
However I am not sure whether I understand your concept.
If the first {{PrefetchingFieldValueFeature}} collects all three fields, the
second {{PrefetchingFieldValueFeature}} could still not access them. And
{{SolrDocumentFetcher.solrDoc}} or just {{doc}} both return a
{{(Solr)Document}} which you would have to pass to the next scorer in order to
benefit from the retrieved fields.
Or do you intent to fetch the fields with every
{{PrefetchingFieldValueFeature}}, but because the information is cached after
the first call, the later fetches can benefit from that? (I am not familiar
with the internal caching processes, but I assume, that the information would
be stored somewhere.)
I struggle a bit with you example configuration. On first sight it looks very
prone to errors because you have a lot of repeated information.
> pure DocValues support for FieldValueFeature
> --------------------------------------------
>
> Key: SOLR-12697
> URL: https://issues.apache.org/jira/browse/SOLR-12697
> Project: Solr
> Issue Type: Sub-task
> Components: contrib - LTR
> Reporter: Stanislav Livotov
> Priority: Major
> Attachments: SOLR-12697.patch, SOLR-12697.patch, SOLR-12697.patch,
> SOLR-12697.patch, SOLR-12697.patch
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> [~slivotov] wrote in SOLR-12688:
> bq. ... FieldValueFeature doesn't support pure DocValues fields (Stored
> false). Please also note that for fields which are both stored and DocValues
> it is working not optimal because it is extracting just one field from the
> stored document. DocValues are obviously faster for such usecases. ...
> (Please see SOLR-12688 description for overall context and analysis results.)
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