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Fix explain output for dfs query #19972

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Merged
merged 1 commit into from
Aug 12, 2016
Merged

Fix explain output for dfs query #19972

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4 changes: 4 additions & 0 deletions core/src/main/java/org/elasticsearch/search/internal/ContextIndexSearcher.java
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,10 @@ public Weight createWeight(Query query, boolean needsScores) throws IOException

@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);
}

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13 changes: 13 additions & 0 deletions core/src/test/java/org/elasticsearch/search/basic/TransportTwoNodesSearchIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@
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;
Expand Down Expand Up @@ -147,6 +148,10 @@ public void testDfsQueryThenFetch() throws Exception {
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;
Expand All @@ -171,6 +176,10 @@ public void testDfsQueryThenFetchWithSort() throws Exception {
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;
Expand Down Expand Up @@ -317,6 +326,10 @@ public void testDfsQueryAndFetch() throws Exception {
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());
}
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