fix: DefaultResultSetHandler memory waste mybatis#3113

whojes-toss · Mar 19, 2024 · d846fbc · d846fbc
1 parent b044200
commit d846fbc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/main/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandler.java b/src/main/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandler.java
@@ -782,8 +782,9 @@ private Object applyConstructorAutomapping(ResultSetWrapper rsw, ResultMap resul
 
   private boolean applyColumnOrderBasedConstructorAutomapping(ResultSetWrapper rsw, List<Class<?>> constructorArgTypes,
       List<Object> constructorArgs, Constructor<?> constructor, boolean foundValues) throws SQLException {
-    for (int i = 0; i < constructor.getParameterTypes().length; i++) {
-      Class<?> parameterType = constructor.getParameterTypes()[i];
+    Class<?>[] parameterTypes = constructor.getParameterTypes();
+    for (int i = 0; i < parameterTypes.length; i++) {
+      Class<?> parameterType = parameterTypes[i];
       String columnName = rsw.getColumnNames().get(i);
       TypeHandler<?> typeHandler = rsw.getTypeHandler(parameterType, columnName);
       Object value = typeHandler.getResult(rsw.getResultSet(), columnName);