HappenLee commented on code in PR #27641:
URL: https://github.com/apache/doris/pull/27641#discussion_r1407043756
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be/src/runtime/query_statistics.h:
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@@ -155,5 +158,12 @@ class QueryStatisticsRecvr {
std::map<int, QueryStatisticsPtr> _query_statistics;
SpinLock _lock;
};
+// QueryStatistics collects information from both scan and exchange,
+// while DmlQueryStatistics does not collect information from the exchange.
+class DmlQueryStatistics : public QueryStatistics {
Review Comment:
do not use sub class to do the work
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