Github user moshebla commented on a diff in the pull request:
https://github.com/apache/lucene-solr/pull/395#discussion_r194690146
--- Diff: solr/core/src/java/org/apache/solr/handler/loader/JsonLoader.java
---
@@ -249,14 +251,27 @@ public void handle(Map<String, Object> record, String
path) {
private SolrInputDocument buildDoc(Map<String, Object> m) {
SolrInputDocument result = new SolrInputDocument();
for (Map.Entry<String, Object> e : m.entrySet()) {
- if (e.getKey() == null) {// special case. JsonRecordReader emits
child docs with null key
+ if (entryIsChildDoc(e.getValue())) {// special case.
JsonRecordReader emits child docs with null key
if (e.getValue() instanceof List) {
List value = (List) e.getValue();
for (Object o : value) {
- if (o instanceof Map) result.addChildDocument(buildDoc((Map)
o));
+ if (o instanceof Map) {
+ if (anonChildDocFlag) {
+ result.addChildDocument(buildDoc((Map) o));
+ } else {
+ if(!result.containsKey(e.getKey())) {
+ result.setField(e.getKey(), new ArrayList<>(1));
--- End diff --
if we wanted to build the original JSON document as it was indexed, we
would have to store it as a single valued array if that was the case. I'm
afraid I did not quite get what you meant by using virtual fields, what for?
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