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https://issues.apache.org/jira/browse/LUCENE-9334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17381942#comment-17381942
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Mayya Sharipova commented on LUCENE-9334:
-----------------------------------------

[~jpountz] Thank for your feedback and clarifications, it makes sense.

I just need to modify a test 
org.apache.lucene.facet.taxonomy.directory.TestBackwardsCompatibility::testCreateNewTaxonomy
 that I disabled, as this test introduces new data structures, and I will be 
closing this issue. 

> Require consistency between data-structures on a per-field basis
> ----------------------------------------------------------------
>
>                 Key: LUCENE-9334
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9334
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Blocker
>             Fix For: main (9.0)
>
>          Time Spent: 14.5h
>  Remaining Estimate: 0h
>
> Follow-up of 
> https://lists.apache.org/thread.html/r747de568afd7502008c45783b74cc3aeb31dab8aa60fcafaf65d5431%40%3Cdev.lucene.apache.org%3E.
> We would like to start requiring consitency across data-structures on a 
> per-field basis in order to make it easier to do the right thing by default: 
> range queries can run faster if doc values are enabled, sorted queries can 
> run faster if points by indexed, etc.
> This would be a big change, so it should be rolled out in a major.
> Strict validation is tricky to implement, but we should still implement 
> best-effort validation:
>  - Documents all use the same data-structures, e.g. it is illegal for a 
> document to only enable points and another document to only enable doc values,
>  - When possible, check whether values are consistent too.



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