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https://issues.apache.org/jira/browse/LUCENE-9334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390034#comment-17390034
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ASF subversion and git services commented on LUCENE-9334:
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Commit 7cb696041c30474ae16e90d5209eb9f342da1149 in lucene's branch
refs/heads/main from Gautam Worah
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=7cb6960 ]
Category documents added in the Lucene 9.0 taxonomy index use a
BDV field with a different name
Using BDV fields with a different "$full_path_binary$" name
ensures that the earlier "$full_path$" StringField does not have the same name
as the
BDV field and hence they don't violate the field type consistency check
(LUCENE-9334).
This commit also enables the back-compat check that was disabled
earlier.
> 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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