fix

englefly · Sep 9, 2024 · 048b9d4 · 048b9d4
1 parent 5ebb010
commit 048b9d4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/...core/src/main/java/org/apache/doris/nereids/processor/post/TopnFilterPushDownVisitor.java b/...core/src/main/java/org/apache/doris/nereids/processor/post/TopnFilterPushDownVisitor.java
@@ -218,14 +218,17 @@ public Boolean visitPhysicalNestedLoopJoin(PhysicalNestedLoopJoin<? extends Plan
     public Boolean visitPhysicalRelation(PhysicalRelation relation, PushDownContext ctx) {
         if (supportPhysicalRelations(relation)
                 && relation.getOutputSet().containsAll(ctx.probeExpr.getInputSlots())) {
-            if (relation.getStats().getRowCount() > ctx.topn.getLimit() + ctx.topn.getOffset()) {
+            // in ut, relation.getStats() may return null
+            if (relation.getStats() == null
+                    || relation.getStats().getRowCount() > ctx.topn.getLimit() + ctx.topn.getOffset()) {
                 topnFilterContext.addTopnFilter(ctx.topn, relation, ctx.probeExpr);
                 return true;
             }
         }
         return false;
     }
 
+
     private boolean supportPhysicalRelations(PhysicalRelation relation) {
         return relation instanceof PhysicalOlapScan
                 || relation instanceof PhysicalOdbcScan