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https://issues.apache.org/jira/browse/SOLR-12697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353435#comment-17353435
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ASF subversion and git services commented on SOLR-12697:
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Commit 0cdcf3f88b61648c224a98a4c68798fec033baf1 in lucene-solr's branch
refs/heads/branch_8x from Tom
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=0cdcf3f ]
SOLR-12697: In contrib/ltr FieldValueFeature support "stored=false
docValues=true" a.k.a. pure DocValues fields. (#123)
(Stanislav Livotov, Erick Erickson, Tobias Kässmann, Tom Gilke, Christine
Poerschke)
> 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
> Assignee: Christine Poerschke
> Priority: Major
> Attachments: SOLR-12697.patch, SOLR-12697.patch, SOLR-12697.patch,
> SOLR-12697.patch, SOLR-12697.patch
>
> Time Spent: 8h 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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