[fix](nereids)only enable colocate scan for one phase global parttion…

… topn in some condition #26473 (#26481)
apache · Nov 6, 2023 · 19998ce · 19998ce
1 parent 9ccfd18
commit 19998ce
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...e-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java b/...e-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java
@@ -1523,8 +1523,8 @@ public PlanFragment visitPhysicalPartitionTopN(PhysicalPartitionTopN<? extends P
         addPlanRoot(inputFragment, partitionSortNode, partitionTopN);
         // in pipeline engine, we use parallel scan by default, but it broke the rule of data distribution
         // we need turn of parallel scan to ensure to get correct result.
-        // TODO: nereids forbid all parallel scan under PhysicalSetOperation temporary
-        if (findOlapScanNodesByPassExchangeAndJoinNode(inputFragment.getPlanRoot())) {
+        if (inputFragment.getDataPartition().getType() != TPartitionType.RANDOM
+                && findOlapScanNodesByPassExchangeAndJoinNode(inputFragment.getPlanRoot())) {
             inputFragment.setHasColocatePlanNode(true);
         }
         return inputFragment;