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Posted to issues@lucene.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2022/02/17 19:21:00 UTC
[jira] [Commented] (LUCENE-9334) Require consistency between data-structures on a per-field basis
[ https://issues.apache.org/jira/browse/LUCENE-9334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17494170#comment-17494170 ]
ASF subversion and git services commented on LUCENE-9334:
---------------------------------------------------------
Commit c132bbf677b5eb4d3ff0acf838b4d8f2c4e0327e in lucene's branch refs/heads/main from Vigya Sharma
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=c132bbf ]
LUCENE-10084: Rewrite DocValuesFieldExistsQuery to MatchAllDocsQuery when all docs have the field (#677)
Since all documents are required to use the same features (LUCENE-9334) we can
rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery whenever terms or
points have a docCount that is equal to maxDoc.
> 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: 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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