/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.search.aggregations.metrics;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.search.Scorer;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.plugins.ScriptPlugin;
import org.elasticsearch.script.CompiledScript;
import org.elasticsearch.script.ExecutableScript;
import org.elasticsearch.script.LeafSearchScript;
import org.elasticsearch.script.Script;
import org.elasticsearch.script.ScriptEngine;
import org.elasticsearch.script.ScriptType;
import org.elasticsearch.script.SearchScript;
import org.elasticsearch.search.aggregations.InternalAggregation;
import org.elasticsearch.search.aggregations.bucket.filter.Filter;
import org.elasticsearch.search.aggregations.bucket.global.Global;
import org.elasticsearch.search.aggregations.bucket.histogram.Histogram;
import org.elasticsearch.search.aggregations.bucket.terms.Terms;
import org.elasticsearch.search.aggregations.metrics.avg.Avg;
import org.elasticsearch.search.aggregations.BucketOrder;
import org.elasticsearch.search.lookup.LeafSearchLookup;
import org.elasticsearch.search.lookup.SearchLookup;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
import static org.elasticsearch.index.query.QueryBuilders.termQuery;
import static org.elasticsearch.search.aggregations.AggregationBuilders.avg;
import static org.elasticsearch.search.aggregations.AggregationBuilders.filter;
import static org.elasticsearch.search.aggregations.AggregationBuilders.global;
import static org.elasticsearch.search.aggregations.AggregationBuilders.histogram;
import static org.elasticsearch.search.aggregations.AggregationBuilders.terms;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertSearchResponse;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
public class AvgIT extends AbstractNumericTestCase {
@Override
protected Collection<Class<? extends Plugin>> nodePlugins() {
return Arrays.asList(
ExtractFieldScriptPlugin.class,
FieldValueScriptPlugin.class);
}
@Override
public void testEmptyAggregation() throws Exception {
SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx")
.setQuery(matchAllQuery())
.addAggregation(histogram("histo").field("value").interval(1L).minDocCount(0).subAggregation(avg("avg").field("value")))
.execute().actionGet();
assertThat(searchResponse.getHits().getTotalHits(), equalTo(2L));
Histogram histo = searchResponse.getAggregations().get("histo");
assertThat(histo, notNullValue());
Histogram.Bucket bucket = histo.getBuckets().get(1);
assertThat(bucket, notNullValue());
Avg avg = bucket.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(Double.isNaN(avg.getValue()), is(true));
}
@Override
public void testUnmapped() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx_unmapped")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("value"))
.execute().actionGet();
assertThat(searchResponse.getHits().getTotalHits(), equalTo(0L));
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo(Double.NaN));
}
@Override
public void testSingleValuedField() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("value"))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (1+2+3+4+5+6+7+8+9+10) / 10));
}
@Override
public void testSingleValuedFieldGetProperty() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx").setQuery(matchAllQuery())
.addAggregation(global("global").subAggregation(avg("avg").field("value"))).execute().actionGet();
assertHitCount(searchResponse, 10);
Global global = searchResponse.getAggregations().get("global");
assertThat(global, notNullValue());
assertThat(global.getName(), equalTo("global"));
assertThat(global.getDocCount(), equalTo(10L));
assertThat(global.getAggregations(), notNullValue());
assertThat(global.getAggregations().asMap().size(), equalTo(1));
Avg avg = global.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
double expectedAvgValue = (double) (1+2+3+4+5+6+7+8+9+10) / 10;
assertThat(avg.getValue(), equalTo(expectedAvgValue));
assertThat((Avg) ((InternalAggregation)global).getProperty("avg"), equalTo(avg));
assertThat((double) ((InternalAggregation)global).getProperty("avg.value"), equalTo(expectedAvgValue));
assertThat((double) ((InternalAggregation)avg).getProperty("value"), equalTo(expectedAvgValue));
}
@Override
public void testSingleValuedFieldPartiallyUnmapped() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx", "idx_unmapped")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("value"))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (1+2+3+4+5+6+7+8+9+10) / 10));
}
@Override
public void testSingleValuedFieldWithValueScript() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("value")
.script(new Script(ScriptType.INLINE, FieldValueScriptEngine.NAME, "", Collections.emptyMap())))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (1+2+3+4+5+6+7+8+9+10) / 10));
}
@Override
public void testSingleValuedFieldWithValueScriptWithParams() throws Exception {
Map<String, Object> params = Collections.singletonMap("inc", 1);
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("value")
.script(new Script(ScriptType.INLINE, FieldValueScriptEngine.NAME, "", params)))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (2+3+4+5+6+7+8+9+10+11) / 10));
}
public void testSingleValuedField_WithFormatter() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx").setQuery(matchAllQuery())
.addAggregation(avg("avg").format("#").field("value")).execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10) / 10));
assertThat(avg.getValueAsString(), equalTo("6"));
}
@Override
public void testMultiValuedField() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("values"))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (2+3+3+4+4+5+5+6+6+7+7+8+8+9+9+10+10+11+11+12) / 20));
}
@Override
public void testMultiValuedFieldWithValueScript() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("values")
.script(new Script(ScriptType.INLINE, FieldValueScriptEngine.NAME, "", Collections.emptyMap())))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (2+3+3+4+4+5+5+6+6+7+7+8+8+9+9+10+10+11+11+12) / 20));
}
@Override
public void testMultiValuedFieldWithValueScriptWithParams() throws Exception {
Map<String, Object> params = Collections.singletonMap("inc", 1);
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg").field("values")
.script(new Script(ScriptType.INLINE, FieldValueScriptEngine.NAME, "", params)))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (3+4+4+5+5+6+6+7+7+8+8+9+9+10+10+11+11+12+12+13) / 20));
}
@Override
public void testScriptSingleValued() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg")
.script(new Script(ScriptType.INLINE, ExtractFieldScriptEngine.NAME, "value", Collections.emptyMap())))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (1+2+3+4+5+6+7+8+9+10) / 10));
}
@Override
public void testScriptSingleValuedWithParams() throws Exception {
Map<String, Object> params = Collections.singletonMap("inc", 1);
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg")
.script(new Script(ScriptType.INLINE, ExtractFieldScriptEngine.NAME, "value", params)))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (2+3+4+5+6+7+8+9+10+11) / 10));
}
@Override
public void testScriptMultiValued() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg")
.script(new Script(ScriptType.INLINE, ExtractFieldScriptEngine.NAME, "values", Collections.emptyMap())))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (2+3+3+4+4+5+5+6+6+7+7+8+8+9+9+10+10+11+11+12) / 20));
}
@Override
public void testScriptMultiValuedWithParams() throws Exception {
Map<String, Object> params = Collections.singletonMap("inc", 1);
SearchResponse searchResponse = client().prepareSearch("idx")
.setQuery(matchAllQuery())
.addAggregation(avg("avg")
.script(new Script(ScriptType.INLINE, ExtractFieldScriptEngine.NAME, "values", params)))
.execute().actionGet();
assertHitCount(searchResponse, 10);
Avg avg = searchResponse.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.getName(), equalTo("avg"));
assertThat(avg.getValue(), equalTo((double) (3+4+4+5+5+6+6+7+7+8+8+9+9+10+10+11+11+12+12+13) / 20));
}
@Override
public void testOrderByEmptyAggregation() throws Exception {
SearchResponse searchResponse = client().prepareSearch("idx").setQuery(matchAllQuery())
.addAggregation(terms("terms").field("value").order(BucketOrder.compound(BucketOrder.aggregation("filter>avg", true)))
.subAggregation(filter("filter", termQuery("value", 100)).subAggregation(avg("avg").field("value"))))
.get();
assertHitCount(searchResponse, 10);
Terms terms = searchResponse.getAggregations().get("terms");
assertThat(terms, notNullValue());
List<? extends Terms.Bucket> buckets = terms.getBuckets();
assertThat(buckets, notNullValue());
assertThat(buckets.size(), equalTo(10));
for (int i = 0; i < 10; i++) {
Terms.Bucket bucket = buckets.get(i);
assertThat(bucket, notNullValue());
assertThat(bucket.getKeyAsNumber(), equalTo((long) i + 1));
assertThat(bucket.getDocCount(), equalTo(1L));
Filter filter = bucket.getAggregations().get("filter");
assertThat(filter, notNullValue());
assertThat(filter.getDocCount(), equalTo(0L));
Avg avg = filter.getAggregations().get("avg");
assertThat(avg, notNullValue());
assertThat(avg.value(), equalTo(Double.NaN));
}
}
/**
* Make sure that a request using a script does not get cached and a request
* not using a script does get cached.
*/
public void testDontCacheScripts() throws Exception {
assertAcked(prepareCreate("cache_test_idx").addMapping("type", "d", "type=long")
.setSettings(Settings.builder().put("requests.cache.enable", true).put("number_of_shards", 1).put("number_of_replicas", 1))
.get());
indexRandom(true, client().prepareIndex("cache_test_idx", "type", "1").setSource("s", 1),
client().prepareIndex("cache_test_idx", "type", "2").setSource("s", 2));
// Make sure we are starting with a clear cache
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getHitCount(), equalTo(0L));
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getMissCount(), equalTo(0L));
// Test that a request using a script does not get cached
SearchResponse r = client().prepareSearch("cache_test_idx").setSize(0)
.addAggregation(avg("foo").field("d").script(
new Script(ScriptType.INLINE, FieldValueScriptEngine.NAME, "", Collections.emptyMap()))).get();
assertSearchResponse(r);
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getHitCount(), equalTo(0L));
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getMissCount(), equalTo(0L));
// To make sure that the cache is working test that a request not using
// a script is cached
r = client().prepareSearch("cache_test_idx").setSize(0).addAggregation(avg("foo").field("d")).get();
assertSearchResponse(r);
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getHitCount(), equalTo(0L));
assertThat(client().admin().indices().prepareStats("cache_test_idx").setRequestCache(true).get().getTotal().getRequestCache()
.getMissCount(), equalTo(1L));
}
/**
* Mock plugin for the {@link ExtractFieldScriptEngine}
*/
public static class ExtractFieldScriptPlugin extends Plugin implements ScriptPlugin {
@Override
public ScriptEngine getScriptEngine(Settings settings) {
return new ExtractFieldScriptEngine();
}
}
/**
* This mock script returns the field that is specified by name in the script body
*/
public static class ExtractFieldScriptEngine implements ScriptEngine {
public static final String NAME = "extract_field";
@Override
public void close() throws IOException {
}
@Override
public String getType() {
return NAME;
}
@Override
public String getExtension() {
return NAME;
}
@Override
public Object compile(String scriptName, String scriptSource, Map<String, String> params) {
return scriptSource;
}
@Override
public ExecutableScript executable(CompiledScript compiledScript, Map<String, Object> params) {
throw new UnsupportedOperationException();
}
@Override
public SearchScript search(CompiledScript compiledScript, SearchLookup lookup, Map<String, Object> vars) {
final long inc;
if (vars == null || vars.containsKey("inc") == false) {
inc = 0;
} else {
inc = ((Number) vars.get("inc")).longValue();
}
return new SearchScript() {
@Override
public LeafSearchScript getLeafSearchScript(LeafReaderContext context) throws IOException {
final LeafSearchLookup leafLookup = lookup.getLeafSearchLookup(context);
return new LeafSearchScript() {
@Override
public void setNextVar(String name, Object value) {
}
@Override
public Object run() {
String fieldName = (String) compiledScript.compiled();
List<Long> values = new ArrayList<>();
for (Object v : (List<?>) leafLookup.doc().get(fieldName)) {
values.add(((Number) v).longValue() + inc);
}
return values;
}
@Override
public void setScorer(Scorer scorer) {
}
@Override
public void setSource(Map<String, Object> source) {
}
@Override
public void setDocument(int doc) {
if (leafLookup != null) {
leafLookup.setDocument(doc);
}
}
@Override
public long runAsLong() {
throw new UnsupportedOperationException();
}
@Override
public double runAsDouble() {
throw new UnsupportedOperationException();
}
};
}
@Override
public boolean needsScores() {
return false;
}
};
}
}
/**
* Mock plugin for the {@link FieldValueScriptEngine}
*/
public static class FieldValueScriptPlugin extends Plugin implements ScriptPlugin {
@Override
public ScriptEngine getScriptEngine(Settings settings) {
return new FieldValueScriptEngine();
}
}
/**
* This mock script returns the field value and adds one month to the returned date
*/
public static class FieldValueScriptEngine implements ScriptEngine {
public static final String NAME = "field_value";
@Override
public void close() throws IOException {
}
@Override
public String getType() {
return NAME;
}
@Override
public String getExtension() {
return NAME;
}
@Override
public Object compile(String scriptName, String scriptSource, Map<String, String> params) {
return scriptSource;
}
@Override
public ExecutableScript executable(CompiledScript compiledScript, Map<String, Object> params) {
throw new UnsupportedOperationException();
}
@Override
public SearchScript search(CompiledScript compiledScript, SearchLookup lookup, Map<String, Object> vars) {
final long inc;
if (vars == null || vars.containsKey("inc") == false) {
inc = 0;
} else {
inc = ((Number) vars.get("inc")).longValue();
}
return new SearchScript() {
private Map<String, Object> vars = new HashMap<>(2);
@Override
public LeafSearchScript getLeafSearchScript(LeafReaderContext context) throws IOException {
final LeafSearchLookup leafLookup = lookup.getLeafSearchLookup(context);
return new LeafSearchScript() {
@Override
public void setNextVar(String name, Object value) {
vars.put(name, value);
}
@Override
public Object run() {
throw new UnsupportedOperationException();
}
@Override
public void setScorer(Scorer scorer) {
}
@Override
public void setSource(Map<String, Object> source) {
}
@Override
public void setDocument(int doc) {
if (leafLookup != null) {
leafLookup.setDocument(doc);
}
}
@Override
public long runAsLong() {
return ((Number) vars.get("_value")).longValue() + inc;
}
@Override
public double runAsDouble() {
return ((Number) vars.get("_value")).doubleValue() + inc;
}
};
}
@Override
public boolean needsScores() {
return false;
}
};
}
@Override
public boolean isInlineScriptEnabled() {
return true;
}
}
}