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PatternAnalyzer should lowercase wildcard queries when lowercase is true. (#24967)

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This commit is contained in:
Adrien Grand 2017-05-31 09:09:53 +02:00 committed by GitHub
parent 7c1211d2ed
commit 71264c6239
2 changed files with 17 additions and 0 deletions
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9
core/src/main/java/org/elasticsearch/index/analysis/PatternAnalyzer.java
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@ -53,4 +53,13 @@ public final class PatternAnalyzer extends Analyzer {
}
return new TokenStreamComponents(tokenizer, stream);
}
@Override
protected TokenStream normalize(String fieldName, TokenStream in) {
TokenStream stream = in;
if (lowercase) {
stream = new LowerCaseFilter(stream);
}
return stream;
}
}

8
core/src/test/java/org/elasticsearch/index/analysis/PatternAnalyzerTests.java
View File

@ -21,6 +21,7 @@ package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.core.StopAnalyzer;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.test.ESTokenStreamTestCase;
import java.io.IOException;
@ -111,4 +112,11 @@ public class PatternAnalyzerTests extends ESTokenStreamTestCase {
Analyzer a = new PatternAnalyzer(Pattern.compile(","), true, StopAnalyzer.ENGLISH_STOP_WORDS_SET);
checkRandomData(random(), a, 10000*RANDOM_MULTIPLIER);
}
public void testNormalize() {
PatternAnalyzer a = new PatternAnalyzer(Pattern.compile("\\s+"), false, null);
assertEquals(new BytesRef("FooBar"), a.normalize("dummy", "FooBar"));
a = new PatternAnalyzer(Pattern.compile("\\s+"), true, null);
assertEquals(new BytesRef("foobar"), a.normalize("dummy", "FooBar"));
}
}