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Query: When parent doc is found stop iterating over segments and continue with the next top matching child doc. 

The parent doc has been found and there is no need to check subsequent segments.

Closes #6895
Closes #1843
This commit is contained in:
Martijn van Groningen 2014-07-16 23:55:39 +02:00
parent 473d1717be
commit ca7fa4f9ec
1 changed files with 2 additions and 3 deletions
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5
src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
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@ -176,7 +176,7 @@ public class TopChildrenQuery extends Query {
int resolveParentDocuments(TopDocs topDocs, SearchContext context, Recycler.V<ObjectObjectOpenHashMap<Object, ParentDoc[]>> parentDocs) throws Exception {
int parentHitsResolved = 0;
Recycler.V<ObjectObjectOpenHashMap<Object, Recycler.V<IntObjectOpenHashMap<ParentDoc>>>> parentDocsPerReader = cacheRecycler.hashMap(context.searcher().getIndexReader().leaves().size());
for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
child_hits: for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
int readerIndex = ReaderUtil.subIndex(scoreDoc.doc, context.searcher().getIndexReader().leaves());
AtomicReaderContext subContext = context.searcher().getIndexReader().leaves().get(readerIndex);
BytesValues.WithOrdinals parentValues = parentChildIndexFieldData.load(subContext).getBytesValues(parentType);
@ -212,13 +212,11 @@ public class TopChildrenQuery extends Query {
}
if (parentDocId != DocsEnum.NO_MORE_DOCS) {
// we found a match, add it and break
Recycler.V<IntObjectOpenHashMap<ParentDoc>> readerParentDocs = parentDocsPerReader.v().get(indexReader.getCoreCacheKey());
if (readerParentDocs == null) {
readerParentDocs = cacheRecycler.intObjectMap(indexReader.maxDoc());
parentDocsPerReader.v().put(indexReader.getCoreCacheKey(), readerParentDocs);
}
ParentDoc parentDoc = readerParentDocs.v().get(parentDocId);
if (parentDoc == null) {
parentHitsResolved++; // we have a hit on a parent
@ -235,6 +233,7 @@ public class TopChildrenQuery extends Query {
parentDoc.maxScore = scoreDoc.score;
}
}
continue child_hits;
}
}
}