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https://issues.apache.org/jira/browse/LUCENE-9940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Woodward resolved LUCENE-9940.
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Fix Version/s: main (9.0)
Resolution: Fixed
> The order of disjuncts in DisjunctionMaxQuery affects equals() impl
> -------------------------------------------------------------------
>
> Key: LUCENE-9940
> URL: https://issues.apache.org/jira/browse/LUCENE-9940
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Fix For: main (9.0)
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> DisjunctionMaxQuery stores its disjuncts in a java array, and its equals()
> implementation uses Arrays.equal() when checking equality. This means that
> two queries with the same disjuncts but added in a different order will
> compare as different, even though their results will be identical. We should
> replace the array with a Set.
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