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Fix explain output for dfs query 

ContextIndexSearcher#explain ignores the dfs data to create the normalized weight.
This change fixes this discrepancy by using the dfs data to create the normalized weight when needed.
This commit is contained in:
Jim Ferenczi 2016-08-12 09:51:29 +02:00
parent 9f8f2ea54b
commit b73751a4b5
2 changed files with 17 additions and 0 deletions
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4
core/src/main/java/org/elasticsearch/search/internal/ContextIndexSearcher.java
View File

@ -133,6 +133,10 @@ public class ContextIndexSearcher extends IndexSearcher implements Releasable {
@Override
public Explanation explain(Query query, int doc) throws IOException {
if (aggregatedDfs != null) {
// dfs data is needed to explain the score
return super.explain(createNormalizedWeight(query, true), doc);
}
return in.explain(query, doc);
}

13
core/src/test/java/org/elasticsearch/search/basic/TransportTwoNodesSearchIT.java
View File

@ -60,6 +60,7 @@ import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
import static org.elasticsearch.index.query.QueryBuilders.termQuery;
import static org.elasticsearch.search.builder.SearchSourceBuilder.searchSource;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailures;
import static org.hamcrest.Matchers.endsWith;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.lessThanOrEqualTo;
@ -147,6 +148,10 @@ public class TransportTwoNodesSearchIT extends ESIntegTestCase {
for (int i = 0; i < hits.length; ++i) {
SearchHit hit = hits[i];
assertThat(hit.explanation(), notNullValue());
assertThat(hit.explanation().getDetails().length, equalTo(1));
assertThat(hit.explanation().getDetails()[0].getDetails().length, equalTo(2));
assertThat(hit.explanation().getDetails()[0].getDetails()[0].getDescription(),
endsWith("idf(docFreq=100, docCount=100)"));
assertThat("id[" + hit.id() + "] -> " + hit.explanation().toString(), hit.id(), equalTo(Integer.toString(100 - total - i - 1)));
}
total += hits.length;
@ -171,6 +176,10 @@ public class TransportTwoNodesSearchIT extends ESIntegTestCase {
for (int i = 0; i < hits.length; ++i) {
SearchHit hit = hits[i];
assertThat(hit.explanation(), notNullValue());
assertThat(hit.explanation().getDetails().length, equalTo(1));
assertThat(hit.explanation().getDetails()[0].getDetails().length, equalTo(2));
assertThat(hit.explanation().getDetails()[0].getDetails()[0].getDescription(),
endsWith("idf(docFreq=100, docCount=100)"));
assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(total + i)));
}
total += hits.length;
@ -317,6 +326,10 @@ public class TransportTwoNodesSearchIT extends ESIntegTestCase {
SearchHit hit = searchResponse.getHits().hits()[i];
// System.out.println(hit.shard() + ": " + hit.explanation());
assertThat(hit.explanation(), notNullValue());
assertThat(hit.explanation().getDetails().length, equalTo(1));
assertThat(hit.explanation().getDetails()[0].getDetails().length, equalTo(2));
assertThat(hit.explanation().getDetails()[0].getDetails()[0].getDescription(),
endsWith("idf(docFreq=100, docCount=100)"));
// assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
}