From 2c1cffb28315053c87c98da196075539ccaba79a Mon Sep 17 00:00:00 2001
From: Oliver <wqdyxnbd@163.com>
Date: Sun, 27 Mar 2022 21:52:27 +0800
Subject: [PATCH] init map size

---
 src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java b/src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java
index 805663b21ba..8fda40ab5ed 100644
--- a/src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java
+++ b/src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java
@@ -280,7 +280,7 @@ private Map<JdbcType, TypeHandler<?>> getJdbcHandlerMapForEnumInterfaces(Class<?
       }
       if (jdbcHandlerMap != null) {
         // Found a type handler registered to a super interface
-        HashMap<JdbcType, TypeHandler<?>> newMap = new HashMap<>();
+        HashMap<JdbcType, TypeHandler<?>> newMap = new HashMap<>(jdbcHandlerMap.size());
         for (Entry<JdbcType, TypeHandler<?>> entry : jdbcHandlerMap.entrySet()) {
           // Create a type handler instance with enum type as a constructor arg
           newMap.put(entry.getKey(), getInstance(enumClazz, entry.getValue().getClass()));