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https://issues.apache.org/jira/browse/LUCENE-10589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ignacio Vera updated LUCENE-10589:
----------------------------------
Fix Version/s: 9.4
(was: 9.3)
> Fix corner case in TestKnnVectorQuery.testRandomWithFilter
> ----------------------------------------------------------
>
> Key: LUCENE-10589
> URL: https://issues.apache.org/jira/browse/LUCENE-10589
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Tomoko Uchida
> Priority: Minor
> Fix For: 10.0 (main), 9.4
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> {{TestKnnVectorQuery.testRandomWithFilter}} can fail with
> java.lang.UnsupportedOperationException.
> Reproducible command
> {code:java}
> ./gradlew test --tests TestKnnVectorQuery.testRandomWithFilter
> -Dtests.seed=1DA39B92702DAC45 -Dtests.multiplier=3
> {code}
> {code:java}
> org.apache.lucene.search.TestKnnVectorQuery > testRandomWithFilter FAILED
> java.lang.UnsupportedOperationException: exact search is not supported
> at
> __randomizedtesting.SeedInfo.seed([1DA39B92702DAC45:6BEAC2197AD96AE0]:0)
> at
> org.apache.lucene.search.TestKnnVectorQuery$ThrowingKnnVectorQuery.exactSearch(TestKnnVectorQuery.java:715)
> at
> org.apache.lucene.search.KnnVectorQuery.searchLeaf(KnnVectorQuery.java:151)
> at
> org.apache.lucene.search.KnnVectorQuery.rewrite(KnnVectorQuery.java:108)
> at
> org.apache.lucene.search.ConstantScoreQuery.rewrite(ConstantScoreQuery.java:44)
> at
> org.apache.lucene.search.IndexSearcher.rewrite(IndexSearcher.java:789)
> at
> org.apache.lucene.tests.search.AssertingIndexSearcher.rewrite(AssertingIndexSearcher.java:69)
> at
> org.apache.lucene.search.IndexSearcher.rewrite(IndexSearcher.java:803)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:685)
> at
> org.apache.lucene.search.IndexSearcher.searchAfter(IndexSearcher.java:667)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:584)
> at
> org.apache.lucene.search.TestKnnVectorQuery.testRandomWithFilter(TestKnnVectorQuery.java:556)
> {code}
> In some edge cases (depending on the random seed),
> [KnnVectorQuery.java#147|https://github.com/apache/lucene/blob/fe9d26178d033f585c08a5e86708063ac0ec0c9e/lucene/core/src/java/org/apache/lucene/search/KnnVectorQuery.java#L147]
> becomes false, and then `exactSearch()` is called.
> The upper bound of [the test range query
> (filter)|https://github.com/apache/lucene/blob/fe9d26178d033f585c08a5e86708063ac0ec0c9e/lucene/core/src/test/org/apache/lucene/search/TestKnnVectorQuery.java#L554]
> could be 200 (the max value of "tag" field + 1) instead of lower + 150 to
> make it "unrestrictive"?
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