madrob commented on a change in pull request #267:
URL: https://github.com/apache/solr/pull/267#discussion_r693053694
##########
File path:
solr/core/src/java/org/apache/solr/handler/component/QueryComponent.java
##########
@@ -955,9 +955,12 @@ protected void mergeIds(ResponseBuilder rb, ShardRequest
sreq) {
@SuppressWarnings("unchecked")
NamedList<List<Object>> sortFieldValues =
(NamedList<List<Object>>)(srsp.getSolrResponse().getResponse().get("sort_values"));
- if ((null == sortFieldValues || sortFieldValues.size()==0) && // we
bypass merging this response only if it's partial itself
- thisResponseIsPartial) { // but not the previous
one!!
- continue; //fsv timeout yields empty sort_vlaues
+ if (null == sortFieldValues) {
+ sortFieldValues = new NamedList<>();
+ }
+ // skip merging results for this shard if the sortSpec includes a
non-scoredoc field but the sortFieldValues is empty.
+ if (thisResponseIsPartial && sortFieldValues.size() == 0 &&
ss.includesNonScoreOrDocField()) {
Review comment:
it's interesting to me that we do a similar check later on line 1122,
not sure if we can combine or remove some of this logic.
##########
File path: solr/core/src/java/org/apache/solr/search/SortSpec.java
##########
@@ -76,6 +76,18 @@ public boolean includesScore() {
return includesScore(sort);
}
+ public boolean includesNonScoreOrDocField() {
+ return includesNonScoreOrDocField(sort);
+ }
+
+ public static boolean includesNonScoreOrDocField(Sort sort) {
Review comment:
nit: add javadoc please
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