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https://issues.apache.org/jira/browse/LUCENE-7500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044476#comment-16044476
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Adrien Grand commented on LUCENE-7500:
--------------------------------------
Eh, no more French word in the title. :)
bq. but the highlighters throwing an exception here guarantees queries that use
getFieldInfos won't work whereas letting getFieldInfos through allows for it to
might work
Sorry but I'd rather not add this leniency. If my understanding is correct,
this is actually unrelated to the removal of Fields and we already have this
issue in both master and 6.x today, the change only made us figure out this
could be an issue?
> Remove LeafReader.fields()
> --------------------------
>
> Key: LUCENE-7500
> URL: https://issues.apache.org/jira/browse/LUCENE-7500
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: David Smiley
> Assignee: David Smiley
> Fix For: master (7.0)
>
> Attachments: LUCENE_7500_avoid_leafReader_fields.patch,
> LUCENE_7500_avoid_leafReader_fields.patch,
> LUCENE_7500_Remove_LeafReader_fields.patch,
> LUCENE_7500_Remove_LeafReader_fields.patch
>
>
> {{Fields}} seems like a pointless intermediary between the {{LeafReader}} and
> {{Terms}}. Why not have {{LeafReader.getTerms(fieldName)}} instead? One loses
> the ability to get the count and iterate over indexed fields, but it's not
> clear what real use-cases are for that and such rare needs could figure that
> out with FieldInfos.
> [~mikemccand] pointed out that we'd probably need to re-introduce a
> {{TermVectors}} class since TV's are row-oriented not column-oriented. IMO
> they should be column-oriented but that'd be a separate issue.
> _(p.s. I'm lacking time to do this w/i the next couple months so if someone
> else wants to tackle it then great)_
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