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Fixed nested facets with filters.

This commit is contained in:
Martijn van Groningen 2013-02-18 11:47:22 +01:00 committed by Igor Motov
parent 24291d40f4
commit ac2e6a3a4d
3 changed files with 93 additions and 28 deletions
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36
src/main/java/org/elasticsearch/search/facet/FacetPhase.java
View File

@ -31,6 +31,7 @@ import org.elasticsearch.common.lucene.docset.ContextDocIdSet;
import org.elasticsearch.common.lucene.search.*;
import org.elasticsearch.search.SearchParseElement;
import org.elasticsearch.search.SearchPhase;
import org.elasticsearch.search.facet.nested.NestedFacetExecutor;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.search.query.QueryPhaseExecutionException;
@ -66,9 +67,21 @@ public class FacetPhase implements SearchPhase {
continue;
}
if (entry.getMode() == FacetExecutor.Mode.COLLECTOR) {
// TODO: We can pass the filter as param to collector method, then this filter wrapper logic can
// be moved to NestedFacetExecutor impl, the other implementations would just wrap it into
// FilteredCollector.
Collector collector = entry.getFacetExecutor().collector();
if (entry.getFilter() != null) {
collector = new FilteredCollector(collector, entry.getFilter());
if (collector instanceof NestedFacetExecutor.Collector) {
// We get rootDoc ids as hits in the collect method, so we need to first translate from
// rootDoc hit to nested doc hit and then apply filter.
collector = new NestedFacetExecutor.Collector((NestedFacetExecutor.Collector) collector, entry.getFilter());
// If we would first apply the filter on the rootDoc level and then translate it back to the
// nested docs we ignore the facet filter and all nested docs are passed to facet collector
} else {
collector = new FilteredCollector(collector, entry.getFilter());
}
}
context.searcher().addMainQueryCollector(collector);
} else if (entry.getMode() == FacetExecutor.Mode.POST) {
@ -98,7 +111,11 @@ public class FacetPhase implements SearchPhase {
if (entry.getMode() == FacetExecutor.Mode.POST) {
FacetExecutor.Post post = entry.getFacetExecutor().post();
if (entry.getFilter() != null) {
post = new FacetExecutor.Post.Filtered(post, entry.getFilter());
if (post instanceof NestedFacetExecutor.Post) {
post = new NestedFacetExecutor.Post((NestedFacetExecutor.Post) post, entry.getFilter());
} else {
post = new FacetExecutor.Post.Filtered(post, entry.getFilter());
}
}
try {
post.executePost(context.searcher().mainDocIdSetCollector().docSets());
@ -122,7 +139,11 @@ public class FacetPhase implements SearchPhase {
try {
FacetExecutor.Post post = entry.getFacetExecutor().post();
if (entry.getFilter() != null) {
post = new FacetExecutor.Post.Filtered(post, entry.getFilter());
if (post instanceof NestedFacetExecutor.Post) {
post = new NestedFacetExecutor.Post((NestedFacetExecutor.Post) post, entry.getFilter());
} else {
post = new FacetExecutor.Post.Filtered(post, entry.getFilter());
}
}
post.executePost(globalDocSets);
} catch (Exception e) {
@ -130,8 +151,13 @@ public class FacetPhase implements SearchPhase {
}
} else if (entry.getMode() == FacetExecutor.Mode.COLLECTOR) {
Filter filter = Queries.MATCH_ALL_FILTER;
Collector collector = entry.getFacetExecutor().collector();
if (entry.getFilter() != null) {
filter = entry.getFilter();
if (collector instanceof NestedFacetExecutor.Collector) {
collector = new NestedFacetExecutor.Collector((NestedFacetExecutor.Collector) collector, entry.getFilter());
} else {
collector = new FilteredCollector(collector, entry.getFilter());
}
}
if (filtersByCollector == null) {
filtersByCollector = Maps.newHashMap();
@ -141,7 +167,7 @@ public class FacetPhase implements SearchPhase {
list = new ArrayList<Collector>();
filtersByCollector.put(filter, list);
}
list.add(entry.getFacetExecutor().collector());
list.add(collector);
}
}
}

14
src/main/java/org/elasticsearch/search/facet/nested/NestedFacetExecutor.java
View File

@ -28,6 +28,7 @@ import org.apache.lucene.util.Bits;
import org.apache.lucene.util.FixedBitSet;
import org.elasticsearch.common.lucene.docset.ContextDocIdSet;
import org.elasticsearch.common.lucene.docset.DocIdSets;
import org.elasticsearch.common.lucene.search.FilteredCollector;
import org.elasticsearch.common.lucene.search.XCollector;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.object.ObjectMapper;
@ -101,6 +102,12 @@ public class NestedFacetExecutor extends FacetExecutor {
this.childFilter = childFilter;
}
public Post(Post post, Filter filter) {
this.post = new FacetExecutor.Post.Filtered(post.post, filter);
this.parentFilter = post.parentFilter;
this.childFilter = post.childFilter;
}
@Override
public void executePost(List<ContextDocIdSet> docSets) throws IOException {
List<ContextDocIdSet> nestedEntries = new ArrayList<ContextDocIdSet>(docSets.size());
@ -151,6 +158,13 @@ public class NestedFacetExecutor extends FacetExecutor {
private Bits childDocs;
private FixedBitSet parentDocs;
// We can move
public Collector(Collector collector, Filter filter) {
this.collector = new FilteredCollector(collector.collector, filter);
this.parentFilter = collector.parentFilter;
this.childFilter = collector.childFilter;
}
public Collector(org.apache.lucene.search.Collector collector, Filter parentFilter, Filter childFilter) {
this.collector = collector;
this.parentFilter = parentFilter;

71
src/test/java/org/elasticsearch/test/integration/nested/SimpleNestedTests.java
View File

@ -29,6 +29,7 @@ import org.elasticsearch.client.Client;
import org.elasticsearch.index.query.FilterBuilders;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.facet.FacetBuilders;
import org.elasticsearch.search.facet.filter.FilterFacet;
import org.elasticsearch.search.facet.termsstats.TermsStatsFacet;
import org.elasticsearch.test.integration.AbstractNodesTests;
import org.testng.annotations.AfterClass;
@ -39,7 +40,7 @@ import java.util.Arrays;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.FilterBuilders.nestedFilter;
import static org.elasticsearch.index.query.FilterBuilders.*;
import static org.elasticsearch.index.query.QueryBuilders.*;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
@ -437,28 +438,52 @@ public class SimpleNestedTests extends AbstractNodesTests {
assertThat(termsStatsFacet.getEntries().get(3).getCount(), equalTo(1l));
assertThat(termsStatsFacet.getEntries().get(3).getTotal(), equalTo(12d));
// test scope ones
// searchResponse = client.prepareSearch("test")
// .setQuery(
// nestedQuery("nested1.nested2", termQuery("nested1.nested2.field2_1", "blue"))
// )
// .addFacet(
// FacetBuilders.termsStatsFacet("facet1")
// .keyField("nested1.nested2.field2_1")
// .valueField("nested1.nested2.field2_2")
// .nested("nested1.nested2")
// .facetFilter(nestedFilter("nested1.nested2", termQuery("nested1.nested2.field2_1", "blue")).join(false))
// )
// .execute().actionGet();
//
// assertThat(Arrays.toString(searchResponse.shardFailures()), searchResponse.failedShards(), equalTo(0));
// assertThat(searchResponse.hits().totalHits(), equalTo(2l));
//
// termsStatsFacet = searchResponse.facets().facet("facet1");
// assertThat(termsStatsFacet.getEntries().size(), equalTo(1));
// assertThat(termsStatsFacet.getEntries().get(0).getTerm().string(), equalTo("blue"));
// assertThat(termsStatsFacet.getEntries().get(0).getCount(), equalTo(3l));
// assertThat(termsStatsFacet.getEntries().get(0).getTotal(), equalTo(8d));
// test scope ones (collector based)
searchResponse = client.prepareSearch("test")
.setQuery(
nestedQuery("nested1.nested2", termQuery("nested1.nested2.field2_1", "blue"))
)
.addFacet(
FacetBuilders.termsStatsFacet("facet1")
.keyField("nested1.nested2.field2_1")
.valueField("nested1.nested2.field2_2")
.nested("nested1.nested2")
// Maybe remove the `join` option?
// The following also works:
// .facetFilter(termFilter("nested1.nested2.field2_1", "blue"))
.facetFilter(nestedFilter("nested1.nested2", termFilter("nested1.nested2.field2_1", "blue")).join(false))
)
.execute().actionGet();
assertThat(Arrays.toString(searchResponse.getShardFailures()), searchResponse.getFailedShards(), equalTo(0));
assertThat(searchResponse.getHits().totalHits(), equalTo(2l));
termsStatsFacet = searchResponse.getFacets().facet("facet1");
assertThat(termsStatsFacet.getEntries().size(), equalTo(1));
assertThat(termsStatsFacet.getEntries().get(0).getTerm().string(), equalTo("blue"));
assertThat(termsStatsFacet.getEntries().get(0).getCount(), equalTo(3l));
assertThat(termsStatsFacet.getEntries().get(0).getTotal(), equalTo(8d));
// test scope ones (post based)
searchResponse = client.prepareSearch("test")
.setQuery(
nestedQuery("nested1.nested2", termQuery("nested1.nested2.field2_1", "blue"))
)
.addFacet(
FacetBuilders.filterFacet("facet1")
.global(true)
.filter(rangeFilter("nested1.nested2.field2_2").gte(0).lte(2))
.nested("nested1.nested2")
.facetFilter(nestedFilter("nested1.nested2", termFilter("nested1.nested2.field2_1", "blue")).join(false))
)
.execute().actionGet();
assertThat(Arrays.toString(searchResponse.getShardFailures()), searchResponse.getFailedShards(), equalTo(0));
assertThat(searchResponse.getHits().totalHits(), equalTo(2l));
FilterFacet filterFacet = searchResponse.getFacets().facet("facet1");
assertThat(filterFacet.getCount(), equalTo(2l));
assertThat(filterFacet.getName(), equalTo("facet1"));
}
@Test