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-rw-r--r--src/mongo/db/pipeline/plan_explainer_pipeline.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mongo/db/pipeline/plan_explainer_pipeline.cpp b/src/mongo/db/pipeline/plan_explainer_pipeline.cpp
index 7ac26493a83..7128ef650c8 100644
--- a/src/mongo/db/pipeline/plan_explainer_pipeline.cpp
+++ b/src/mongo/db/pipeline/plan_explainer_pipeline.cpp
@@ -96,7 +96,9 @@ void PlanExplainerPipeline::getSummaryStats(PlanSummaryStats* statsOut) const {
}
}
- statsOut->nReturned = _nReturned;
+ if (_nReturned) {
+ statsOut->nReturned = _nReturned;
+ }
}
PlanExplainer::PlanStatsDetails PlanExplainerPipeline::getWinningPlanStats(