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Highlighting - does not work with custom_score or boosting, closes #1314 #1315

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Highlighting - does not work with custom_score or boosting, closes #1314 #1315

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32 changes: 31 additions & 1 deletion modules/elasticsearch/src/main/java/org/elasticsearch/search/highlight/HighlightPhase.java
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Expand Up @@ -25,13 +25,18 @@
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.BoostingQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.highlight.*;
import org.apache.lucene.search.vectorhighlight.*;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.common.collect.ImmutableMap;
import org.elasticsearch.common.io.FastStringReader;
import org.elasticsearch.common.lucene.document.SingleFieldSelector;
import org.elasticsearch.common.lucene.search.MoreLikeThisQuery;
import org.elasticsearch.common.lucene.search.MultiPhrasePrefixQuery;
import org.elasticsearch.common.lucene.search.function.FiltersFunctionScoreQuery;
import org.elasticsearch.common.lucene.search.function.FunctionScoreQuery;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.MapperService;
Expand Down Expand Up @@ -110,7 +115,32 @@ public static class Encoders {
}
// Don't use the context.query() since it might be rewritten, and we need to pass the non rewritten queries to
// let the highlighter handle MultiTerm ones
QueryScorer queryScorer = new QueryScorer(context.parsedQuery().query(), null);
QueryScorer queryScorer;
if (context.parsedQuery().query() instanceof FunctionScoreQuery) {
queryScorer = new QueryScorer(((FunctionScoreQuery)context.parsedQuery().query()).getSubQuery(), null);
} else if (context.parsedQuery().query() instanceof FiltersFunctionScoreQuery) {
queryScorer = new QueryScorer(((FiltersFunctionScoreQuery)context.parsedQuery().query()).getSubQuery(), null);
} else if (context.parsedQuery().query() instanceof BoostingQuery) {
try {
queryScorer = new QueryScorer(((BoostingQuery)context.parsedQuery().query()).rewrite(hitContext.reader()), null);
} catch (IOException e) {
throw new ElasticSearchException("Failed rewriting BoostingQuery",e);
}
} else if (context.parsedQuery().query() instanceof MoreLikeThisQuery) {
try {
queryScorer = new QueryScorer(((MoreLikeThisQuery)context.parsedQuery().query()).rewrite(hitContext.reader()), null);
} catch (IOException e) {
throw new ElasticSearchException("Failed rewriting MoreLikeThisQuery",e);
}
} else if (context.parsedQuery().query() instanceof MultiPhrasePrefixQuery) {
try {
queryScorer = new QueryScorer(((MultiPhrasePrefixQuery)context.parsedQuery().query()).rewrite(hitContext.reader()), null);
} catch (IOException e) {
throw new ElasticSearchException("Failed rewriting MultiPhrasePrefixQuery",e);
}
} else {
queryScorer = new QueryScorer(context.parsedQuery().query(), null);
}
queryScorer.setExpandMultiTermQuery(true);
Fragmenter fragmenter;
if (field.numberOfFragments() == 0) {
Expand Down