From 2b8231000ed1d02b2a04dd37e950125287d7e648 Mon Sep 17 00:00:00 2001
From: H-Jason <953986800@qq.com>
Date: Sun, 5 May 2024 13:30:18 +0800
Subject: [PATCH] fix dead lock in multi DB when using batchUpdate(#31038)

---
 .../executor/sql/prepare/AbstractExecutionPrepareEngine.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/infra/executor/src/main/java/org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java b/infra/executor/src/main/java/org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java
index eea1fec1043b59..39e8b0c94335df 100644
--- a/infra/executor/src/main/java/org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java
+++ b/infra/executor/src/main/java/org/apache/shardingsphere/infra/executor/sql/prepare/AbstractExecutionPrepareEngine.java
@@ -30,11 +30,11 @@
 import java.sql.SQLException;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.TreeMap;
 
 /**
  * Abstract execution prepare engine.
@@ -80,7 +80,7 @@ private List<List<ExecutionUnit>> group(final List<ExecutionUnit> sqlUnits) {
     protected abstract List<ExecutionGroup<T>> group(String dataSourceName, int connectionOffset, List<List<ExecutionUnit>> executionUnitGroups, ConnectionMode connectionMode) throws SQLException;
     
     private Map<String, List<ExecutionUnit>> aggregateExecutionUnitGroups(final Collection<ExecutionUnit> executionUnits) {
-        Map<String, List<ExecutionUnit>> result = new LinkedHashMap<>(executionUnits.size(), 1F);
+        Map<String, List<ExecutionUnit>> result = new TreeMap();
         for (ExecutionUnit each : executionUnits) {
             result.computeIfAbsent(each.getDataSourceName(), unused -> new LinkedList<>()).add(each);
         }