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Merge pull request #20673 

Add test for using fuzziness parameter in multi_match query
This commit is contained in:
Christoph Büscher 2016-10-12 16:57:11 +02:00 committed by GitHub
parent 27c87ab961 6c0e4fc13d
commit c3e564a9cd
1 changed files with 37 additions and 0 deletions
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37
core/src/test/java/org/elasticsearch/search/query/MultiMatchQueryIT.java
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@ -635,6 +635,43 @@ public class MultiMatchQueryIT extends ESIntegTestCase {
assertFirstHit(searchResponse, hasId("ultimate1"));
}
/**
* Test for edge case where field level boosting is applied to field that doesn't exist on documents on
* one shard. There was an issue reported in https://github.com/elastic/elasticsearch/issues/18710 where a
* `multi_match` query using the fuzziness parameter with a boost on one of two fields returns the
* same document score if both documents are placed on different shard. This test recreates that scenario
* and checks that the returned scores are different.
*/
public void testFuzzyFieldLevelBoosting() throws InterruptedException, ExecutionException {
String idx = "test18710";
CreateIndexRequestBuilder builder = prepareCreate(idx).setSettings(Settings.builder()
.put(indexSettings())
.put(SETTING_NUMBER_OF_SHARDS, 3)
.put(SETTING_NUMBER_OF_REPLICAS, 0)
);
assertAcked(builder.addMapping("type", "title", "type=string", "body", "type=string"));
ensureGreen();
List<IndexRequestBuilder> builders = new ArrayList<>();
builders.add(client().prepareIndex(idx, "type", "1").setSource(
"title", "foo",
"body", "bar"));
builders.add(client().prepareIndex(idx, "type", "2").setSource(
"title", "bar",
"body", "foo"));
indexRandom(true, false, builders);
SearchResponse searchResponse = client().prepareSearch(idx)
.setExplain(true)
.setQuery(multiMatchQuery("foo").field("title", 100).field("body")
.fuzziness(0)
).get();
SearchHit[] hits = searchResponse.getHits().getHits();
assertNotEquals("both documents should be on different shards", hits[0].getShard().getShardId(), hits[1].getShard().getShardId());
assertEquals("1", hits[0].getId());
assertEquals("2", hits[1].getId());
assertThat(hits[0].getScore(), greaterThan(hits[1].score()));
}
private static void assertEquivalent(String query, SearchResponse left, SearchResponse right) {
assertNoFailures(left);
assertNoFailures(right);