dsmiley commented on a change in pull request #455: SOLR-12638
URL: https://github.com/apache/lucene-solr/pull/455#discussion_r269403798
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File path:
solr/core/src/java/org/apache/solr/update/processor/DistributedUpdateProcessor.java
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@@ -645,32 +660,78 @@ boolean getUpdatedDocument(AddUpdateCommand cmd, long
versionOnUpdate) throws IO
}
// full (non-inplace) atomic update
+ final boolean isDeeplyNestedSchema =
req.getSchema().isUsableForChildDocs() &&
req.getSchema().hasExplicitField(IndexSchema.NEST_PATH_FIELD_NAME);
SolrInputDocument sdoc = cmd.getSolrInputDocument();
BytesRef id = cmd.getIndexedId();
- SolrInputDocument oldDoc =
RealTimeGetComponent.getInputDocument(cmd.getReq().getCore(), id);
+ SolrInputDocument nestedDoc =
RealTimeGetComponent.getInputDocument(cmd.getReq().getCore(), id,
RealTimeGetComponent.Resolution.ROOT_WITH_CHILDREN);
- if (oldDoc == null) {
- // create a new doc by default if an old one wasn't found
- if (versionOnUpdate <= 0) {
- oldDoc = new SolrInputDocument();
- } else {
+ if (nestedDoc == null) {
+ if (versionOnUpdate > 0) {
// could just let the optimistic locking throw the error
throw new SolrException(ErrorCode.CONFLICT, "Document not found for
update. id=" + cmd.getPrintableId());
}
} else {
- oldDoc.remove(CommonParams.VERSION_FIELD);
+ nestedDoc.remove(CommonParams.VERSION_FIELD);
}
- cmd.solrDoc = docMerger.merge(sdoc, oldDoc);
+ SolrInputDocument mergedDoc;
+ if(idField == null || nestedDoc == null) {
+ // create a new doc by default if an old one wasn't found
+ mergedDoc = docMerger.merge(sdoc, new SolrInputDocument());
+ } else {
+ if(isDeeplyNestedSchema &&
nestedDoc.containsKey(IndexSchema.ROOT_FIELD_NAME) &&
Review comment:
this part section is fairly complex. I feel it needs its own method and
extra comments on what's happening.
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