Akshat-Jain commented on code in PR #16854:
URL: https://github.com/apache/druid/pull/16854#discussion_r1715738181
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extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/querykit/WindowOperatorQueryKit.java:
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@@ -105,8 +108,20 @@ public QueryDefinition makeQueryDefinition(
final int firstStageNumber = Math.max(minStageNumber,
queryDefBuilder.getNextStageNumber());
final WindowOperatorQuery queryToRun = (WindowOperatorQuery)
originalQuery.withDataSource(dataSourcePlan.getNewDataSource());
- final int maxRowsMaterialized;
+ // Get segment granularity from query context, and create ShuffleSpec and
RowSignature to be used for the final window stage.
+ final Granularity segmentGranularity =
QueryKitUtils.getSegmentGranularityFromContext(jsonMapper,
queryToRun.getContext());
+ final ClusterBy finalWindowClusterBy =
QueryKitUtils.clusterByWithSegmentGranularity(ClusterBy.none(),
segmentGranularity);
Review Comment:
I'm not sure what ClusterBy should be used here. I don't see any ClusterBy
to extract from the available fields in this class. Thoughts? Please let me
know if I'm missing something. Thanks!
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