From 0e9dd348fb397d91521210f91e63ccb5536bf7cf Mon Sep 17 00:00:00 2001
From: Pxl <pxl290@qq.com>
Date: Fri, 1 Sep 2023 14:46:54 +0800
Subject: [PATCH] [Improvment](materialized-view) add short circuit for
 selectBestMV #23743

---
 .../org/apache/doris/planner/MaterializedViewSelector.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java b/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
index d9c69111ae..a06e09e30f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
@@ -125,6 +125,11 @@ public class MaterializedViewSelector {
         long start = System.currentTimeMillis();
         Preconditions.checkState(scanNode instanceof OlapScanNode);
         OlapScanNode olapScanNode = (OlapScanNode) scanNode;
+
+        if (olapScanNode.getOlapTable().getVisibleIndex().size() == 1) {
+            return new BestIndexInfo(olapScanNode.getOlapTable().getBaseIndexId(), isPreAggregation, reasonOfDisable);
+        }
+
         Map<Long, List<Column>> candidateIndexIdToSchema = predicates(olapScanNode);
         if (candidateIndexIdToSchema.keySet().size() == 0) {
             return null;