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Posted to issues@lucene.apache.org by "Mayya Sharipova (Jira)" <ji...@apache.org> on 2021/07/04 12:32:00 UTC
[jira] [Created] (LUCENE-10020) DocComparator should not skip docs
with the same docID on multiple sorts with search after
Mayya Sharipova created LUCENE-10020:
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Summary: DocComparator should not skip docs with the same docID on multiple sorts with search after
Key: LUCENE-10020
URL: https://issues.apache.org/jira/browse/LUCENE-10020
Project: Lucene - Core
Issue Type: Bug
Reporter: Mayya Sharipova
Because of the optimization introduced in [LUCENE-9449|https://issues.apache.org/jira/browse/LUCENE-9449], when searching with sort on [_doc, other fields] with search after, DocComparator can efficiently skip all docs before and including the provided [search after docID].
This is a desirable behaviour in a single index search. But in a distributed search, where multiple indices have docs with the same docID, and when searching on [_doc, other fields], the sort optimization should not skip documents with the same docIDs.
Relates to LUCENE-9449
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