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From Mikhail Khludnev <>
Subject Re: How to access DocValues inside a customized collector?
Date Fri, 21 Sep 2018 07:35:22 GMT
Not sure why are you looking for something better, since it's the best API
You can check the sample usage at
.FastTaxonomyFacetCounts.countAll(IndexReader), also notice
FastTaxonomyFacetCounts.count(List<MatchingDocs>) where DV iterator is
dragged by enclosing intersection.
also SolrDocumentFetcher.decodeDVField(int, LeafReader, String) does
exactly this.

On Fri, Sep 21, 2018 at 4:23 AM Lisheng Zhang <> wrote:

> we need to use binary DocValues (in a customized collector) added during
> indexing, i first tested in standard TopScoreDocCollector, it seems that we
> need to:
> LeafReaderContext => reader() => get binary iterator => advanced to correct
> location
> Is this the correct way or actually we have a better API (since we already
> in that docId it seems to me that the binary DocValues should be readily
> available?
> Also do we have a way to see directly indexed data (Luke seems obsolete,
> Marple does not work with lucene 7.4.0 yet)?
> Thanks very much for helps, Lisheng

Sincerely yours
Mikhail Khludnev

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