From aee9273a094a290104be0367e7cffad5fcd07b05 Mon Sep 17 00:00:00 2001
From: dataroaring <98214048+dataroaring@users.noreply.github.com>
Date: Wed, 16 Feb 2022 11:57:12 +0800
Subject: [PATCH] [typo] translate comment in Chinese to English in
 SingleNodePlanner (#8038)

---
 .../java/org/apache/doris/planner/SingleNodePlanner.java   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java b/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
index 3b4dba71b4..b3aaf2af43 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
@@ -711,8 +711,11 @@ public class SingleNodePlanner {
             candidates.add(new Pair<>(ref, new Long(materializedSize)));
             LOG.debug("The candidate of " + ref.getUniqueAlias() + ": " + materializedSize);
         }
-        // (ML): 这里感觉是不可能运行到的，因为起码第一个节点是inner join
-        if (candidates.isEmpty()) return null;
+        if (candidates.isEmpty()) {
+            // This branch should not be reached, because the first one should be inner join.
+            LOG.warn("Something wrong happens, the code should not be runned");
+            return null;
+        }
 
         // order candidates by descending materialized size; we want to minimize the memory
         // consumption of the materialized hash tables required for the join sequence