From 80acc4ee89828ee4648e04f1e311270295efd2cc Mon Sep 17 00:00:00 2001
From: Naveed Khan <dxbnaveed.k@gmail.com>
Date: Wed, 22 Jul 2026 16:02:56 +0530
Subject: [PATCH 1/2] resolve column name in ResultSetIterator.set

the read path resolves the dyna-property name to the real column name via getColumnName, but set passed the raw name to updateObject, so with the default lowerCase a mixed-case column update targeted the wrong column.
---
 .../beanutils2/sql/ResultSetIterator.java     |  2 +-
 .../beanutils2/sql/DynaResultSetTest.java     | 22 +++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/commons/beanutils2/sql/ResultSetIterator.java b/src/main/java/org/apache/commons/beanutils2/sql/ResultSetIterator.java
index 792f2ff2e..53c8859c0 100644
--- a/src/main/java/org/apache/commons/beanutils2/sql/ResultSetIterator.java
+++ b/src/main/java/org/apache/commons/beanutils2/sql/ResultSetIterator.java
@@ -249,7 +249,7 @@ public void set(final String name, final Object value) {
             throw new IllegalArgumentException(name);
         }
         try {
-            dynaClass.getResultSet().updateObject(name, value);
+            dynaClass.getResultSet().updateObject(dynaClass.getColumnName(name), value);
         } catch (final SQLException e) {
             throw new IllegalArgumentException("set(" + name + "): SQLException: " + e);
         }
diff --git a/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java b/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
index c98b7e94d..4ab583e3c 100644
--- a/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
+++ b/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
@@ -25,6 +25,8 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.util.Iterator;
 
 import org.apache.commons.beanutils2.DynaBean;
@@ -96,6 +98,26 @@ void testGetName() {
         assertEquals("org.apache.commons.beanutils2.sql.ResultSetDynaClass", dynaClass.getName(), "DynaClass name");
     }
 
+    /**
+     * With the default {@code lowerCase} option the property name differs from the real column name, and the read path resolves it through
+     * {@code getColumnName}. Verify that {@code set} resolves it the same way, so the update targets the real column name and not the lower-cased property
+     * name.
+     */
+    @Test
+    void testSetUsesColumnName() throws Exception {
+        final String[] updatedColumn = new String[1];
+        final ResultSet resultSet = TestResultSet.createProxy(new TestResultSet() {
+            @Override
+            public void updateObject(final String columnName, final Object value) throws SQLException {
+                updatedColumn[0] = columnName;
+            }
+        });
+        final ResultSetDynaClass rsdc = new ResultSetDynaClass(resultSet);
+        final DynaBean row = rsdc.iterator().next();
+        row.set("stringproperty", "new value");
+        assertEquals("stringProperty", updatedColumn[0], "update targets the real column name");
+    }
+
     @Test
     void testIteratorCount() {
 

From 69db2a0b064e423cc351651dcfbd4a27d85a6ebf Mon Sep 17 00:00:00 2001
From: Naveed Khan <dxbnaveed.k@gmail.com>
Date: Thu, 23 Jul 2026 21:17:14 +0530
Subject: [PATCH 2/2] use AtomicReference to capture the updated column name in
 test

---
 .../apache/commons/beanutils2/sql/DynaResultSetTest.java   | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java b/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
index 4ab583e3c..73d07a3b7 100644
--- a/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
+++ b/src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTest.java
@@ -28,6 +28,7 @@
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Iterator;
+import java.util.concurrent.atomic.AtomicReference;
 
 import org.apache.commons.beanutils2.DynaBean;
 import org.apache.commons.beanutils2.DynaProperty;
@@ -105,17 +106,17 @@ void testGetName() {
      */
     @Test
     void testSetUsesColumnName() throws Exception {
-        final String[] updatedColumn = new String[1];
+        final AtomicReference<String> updatedColumn = new AtomicReference<>();
         final ResultSet resultSet = TestResultSet.createProxy(new TestResultSet() {
             @Override
             public void updateObject(final String columnName, final Object value) throws SQLException {
-                updatedColumn[0] = columnName;
+                updatedColumn.set(columnName);
             }
         });
         final ResultSetDynaClass rsdc = new ResultSetDynaClass(resultSet);
         final DynaBean row = rsdc.iterator().next();
         row.set("stringproperty", "new value");
-        assertEquals("stringProperty", updatedColumn[0], "update targets the real column name");
+        assertEquals("stringProperty", updatedColumn.get(), "update targets the real column name");
     }
 
     @Test