dsmiley commented on a change in pull request #2159:
URL: https://github.com/apache/lucene-solr/pull/2159#discussion_r552241596
##########
File path:
solr/core/src/java/org/apache/solr/response/transform/ChildDocTransformer.java
##########
@@ -76,6 +87,37 @@ public String getName() {
@Override
public boolean needsSolrIndexSearcher() { return true; }
+ @Override
+ public String[] getExtraRequestFields() {
+ return extraRequestedFields;
+ }
+
+ private int getPrevRootGivenFilter(LeafReaderContext leafReaderContext, int
segRootId) throws IOException {
+ final BitSet segParentsBitSet = parentsFilter.getBitSet(leafReaderContext);
+ if (segParentsBitSet != null) {
+ return segRootId == 0 ? -1 : segParentsBitSet.prevSetBit(segRootId - 1);
+ }
+ throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
+ "Parent filter '" + parentsFilter + "' doesn't match any parent
documents");
+ }
+
+ private int getPrevRootGivenId(LeafReaderContext leafReaderContext, int
segRootId,
+ BytesRef idBytes) throws IOException {
+ final LeafReader reader = leafReaderContext.reader();
+ final Terms terms = reader.terms(IndexSchema.ROOT_FIELD_NAME); // never
returns null here
+ final TermsEnum iterator = terms.iterator();
+ if (iterator.seekExact(idBytes)) {
+ PostingsEnum docs = iterator.postings(null, PostingsEnum.NONE);
+ docs = BitsFilteredPostingsEnum.wrap(docs, reader.getLiveDocs());
+ int id = docs.nextDoc();
Review comment:
Wrong; iterator.postings() never returns null -- so says its
documentation.
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