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Fix TopHitsAggregationBuilder adding duplicate _score sort clauses (#42179) (#42343) 

When using High Level Rest Client Java API to produce search query, using AggregationBuilders.topHits("th").sort("_score", SortOrder.DESC)
caused query to contain duplicate sort clauses.
This commit is contained in:
Ignacio Vera 2019-05-22 14:02:52 +02:00 committed by GitHub
parent eb1639c5fc
commit 3a20ff7e86
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2 changed files with 10 additions and 3 deletions
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6
server/src/main/java/org/elasticsearch/search/aggregations/metrics/TopHitsAggregationBuilder.java
View File

@ -237,8 +237,9 @@ public class TopHitsAggregationBuilder extends AbstractAggregationBuilder<TopHit
}
if (name.equals(ScoreSortBuilder.NAME)) {
sort(SortBuilders.scoreSort().order(order));
}
} else {
sort(SortBuilders.fieldSort(name).order(order));
}
return this;
}
@ -254,8 +255,9 @@ public class TopHitsAggregationBuilder extends AbstractAggregationBuilder<TopHit
}
if (name.equals(ScoreSortBuilder.NAME)) {
sort(SortBuilders.scoreSort());
}
} else {
sort(SortBuilders.fieldSort(name));
}
return this;
}

7
server/src/test/java/org/elasticsearch/search/aggregations/metrics/TopHitsAggregatorTests.java
View File

@ -49,7 +49,6 @@ import org.elasticsearch.search.aggregations.AggregationBuilder;
import org.elasticsearch.search.aggregations.AggregationBuilders;
import org.elasticsearch.search.aggregations.AggregatorTestCase;
import org.elasticsearch.search.aggregations.bucket.terms.Terms;
import org.elasticsearch.search.aggregations.metrics.TopHits;
import org.elasticsearch.search.aggregations.support.AggregationInspectionHelper;
import org.elasticsearch.search.sort.SortOrder;
@ -207,4 +206,10 @@ public class TopHitsAggregatorTests extends AggregatorTestCase {
reader.close();
directory.close();
}
public void testSortByScore() throws Exception {
// just check that it does not fail with exceptions
testCase(new MatchAllDocsQuery(), topHits("_name").sort("_score", SortOrder.DESC));
testCase(new MatchAllDocsQuery(), topHits("_name").sort("_score"));
}
}