findingrish commented on code in PR #13967:
URL: https://github.com/apache/druid/pull/13967#discussion_r1157202833
##########
server/src/main/java/org/apache/druid/client/CachingClusteredClient.java:
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@@ -462,6 +462,10 @@ private Set<SegmentServerSelector> computeSegmentsToQuery(
chunk.getChunkNumber()
);
segments.add(new SegmentServerSelector(server, segment));
+ if (server.isEmpty()) {
+ // fail the query or alternatively set some headers
+ throw new RuntimeException("Query failed, incomplete data");
Review Comment:
Throwing `QueryException` with details of unavailable segment ids when the
config is set to `fail`.
Also, logging a warning message with the details.
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