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https://issues.apache.org/jira/browse/LUCENE-9142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17368484#comment-17368484
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ASF subversion and git services commented on LUCENE-9142:
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Commit c6b9dd95c9f4b9ab9bac5904988432bba2ad4bd3 in lucene-solr's branch
refs/heads/branch_8x from Patrick Zhai
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=c6b9dd9 ]
Backport LUCENE-9142 and LUCENE-9983 (#2517)
* LUCENE-9142 Refactor IntSet operations for determinize (#1184)
Co-authored-by: Mike <mad...@users.noreply.github.com>
> Add documentation to Operations.determinize, SortedIntSet, and FrozenSet
> ------------------------------------------------------------------------
>
> Key: LUCENE-9142
> URL: https://issues.apache.org/jira/browse/LUCENE-9142
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Reporter: Mike Drob
> Assignee: Mike Drob
> Priority: Major
> Fix For: main (9.0)
>
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Was tracing through the fuzzy query code, and IntelliJ helpfully pointed out
> that we have mismatched types when trying to reuse states, and so we may be
> creating more states than we need to.
> Relevant snippets:
> {code:title=Operations.java}
> Map<SortedIntSet.FrozenIntSet,Integer> newstate = new HashMap<>();
> final SortedIntSet statesSet = new SortedIntSet(5);
> Integer q = newstate.get(statesSet);
> {code}
> {{q}} is always going to be null in this path because there are no
> SortedIntSet keys in the map.
> There are also very little javadoc on SortedIntSet, so I'm having trouble
> following the precise relationship between all the pieces here.
> cc: [~mikemccand] [~romseygeek] - I would appreciate any pointers if you have
> them
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