gianm commented on code in PR #17496:
URL: https://github.com/apache/druid/pull/17496#discussion_r1870130773
##########
server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java:
##########
@@ -2900,6 +2926,67 @@ public int removeDataSourceMetadataOlderThan(long
timestamp, @NotNull Set<String
);
}
+ @VisibleForTesting
+ Set<DataSegment> retrieveUsedSegmentsForAllocation(
+ final Handle handle,
+ final String dataSource,
+ final Interval interval
+ )
+ {
+ final Set<SegmentId> overlappingSegmentIds
+ = SqlSegmentsMetadataQuery.forHandle(handle, connector, dbTables,
jsonMapper)
+ .retrieveUsedSegmentIds(dataSource,
interval);
+ // Map from version -> interval -> segmentId with the smallest partitionNum
+ Map<String, Map<Interval, SegmentId>> versionIntervalToSmallestSegmentId =
new HashMap<>();
+ for (SegmentId segmentId : overlappingSegmentIds) {
+ final Map<Interval, SegmentId> map
+ =
versionIntervalToSmallestSegmentId.computeIfAbsent(segmentId.getVersion(), v ->
new HashMap<>());
+ final SegmentId value = map.get(segmentId.getInterval());
+ if (value == null || value.getPartitionNum() >
segmentId.getPartitionNum()) {
+ map.put(interval, segmentId);
Review Comment:
I think the key here should be `segmentId.getInterval()` not `interval`.
@kfaraz does that sound right to you?
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