Github user moshebla commented on a diff in the pull request: https://github.com/apache/lucene-solr/pull/416#discussion_r205125247 --- Diff: solr/core/src/java/org/apache/solr/response/transform/ChildDocTransformerFactory.java --- @@ -67,7 +73,9 @@ public static final String PATH_SEP_CHAR = "/"; public static final String NUM_SEP_CHAR = "#"; - private static final String sRootFilter = "*:* NOT " + NEST_PATH_FIELD_NAME + ":*"; + private static final BooleanQuery rootFilter = new BooleanQuery.Builder() + .add(new BooleanClause(new MatchAllDocsQuery(), BooleanClause.Occur.MUST)) + .add(new BooleanClause(new WildcardQuery(new Term(NEST_PATH_FIELD_NAME, new BytesRef("*"))), BooleanClause.Occur.MUST_NOT)).build(); --- End diff -- My bad, I'll fix this in the next commit.
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