Gabriel39 commented on code in PR #16514:
URL: https://github.com/apache/doris/pull/16514#discussion_r1101345616


##########
fe/fe-core/src/main/java/org/apache/doris/planner/OriginalPlanner.java:
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@@ -448,6 +448,7 @@ private void checkAndSetTopnOpt(PlanNode node) {
             SortNode sortNode = (SortNode) node;
             PlanNode child = sortNode.getChild(0);
             if (child instanceof OlapScanNode && sortNode.getLimit() > 0
+                    && sortNode.getLimit() <= 
ConnectContext.get().getSessionVariable().topnOptLimitThreshold

Review Comment:
   I'm not sure if session will be null here. Such as this is a load task or 
read by a flink/spark connertor?



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