From 2b037539e16f4125923eadd2527def43b0028af6 Mon Sep 17 00:00:00 2001
From: minghong <zhouminghong@selectdb.com>
Date: Mon, 23 Dec 2024 12:39:02 +0800
Subject: [PATCH] cascades==null

---
 .../main/java/org/apache/doris/nereids/NereidsPlanner.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
index bdbc1ba57b740f..b6b09348046cea 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
@@ -712,9 +712,10 @@ public String getExplainString(ExplainOptions explainOptions) {
                         + rewrittenPlan.treeString() + "\n\n"
                         + "========== OPTIMIZED PLAN "
                         + getTimeMetricString(SummaryProfile::getPrettyNereidsOptimizeTime) + " ==========\n"
-                        + optimizedPlan.treeString() + "\n\n"
-                        + "========== MEMO "
-                        + cascadesContext.getMemo().toString() + "\n\n";
+                        + optimizedPlan.treeString() + "\n\n";
+                if (cascadesContext != null && cascadesContext.getMemo() != null) {
+                    plan += "========== MEMO " + cascadesContext.getMemo().toString() + "\n\n";
+                }
 
                 if (distributedPlans != null && !distributedPlans.isEmpty()) {
                     plan += "========== DISTRIBUTED PLAN "