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Posted to issues@lucene.apache.org by "Julie Tibshirani (Jira)" <ji...@apache.org> on 2021/07/28 14:42:00 UTC
[jira] [Resolved] (LUCENE-10039) With a single field,
CombinedFieldQuery can score incorrectly
[ https://issues.apache.org/jira/browse/LUCENE-10039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julie Tibshirani resolved LUCENE-10039.
---------------------------------------
Fix Version/s: 8.10
Resolution: Fixed
> With a single field, CombinedFieldQuery can score incorrectly
> -------------------------------------------------------------
>
> Key: LUCENE-10039
> URL: https://issues.apache.org/jira/browse/LUCENE-10039
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Julie Tibshirani
> Priority: Minor
> Fix For: 8.10
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> When there's only one field, {{CombinedFieldQuery}} will ignore its weight while scoring. This makes the scoring inconsistent, since the field weight is supposed to multiply its term frequency.
> This can also come up when searching over multiple fields, when some segment happens to contain only one field. The problem was caught by this test:
> {code}
> ant test -Dtestcase=TestCombinedFieldQuery -Dtests.method=testCopyFieldWithMissingFields -Dtests.seed=8FA982798BC8FEF6 -Dtests.nightly=true
> {code}
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