Some CLOB and BLOB values could no longer be read when the original row was…

Some CLOB and BLOB values could no longer be read when the original row was removed (even when using the MVCC mode).

h2/src/main/org/h2/result/LocalResult.java

@@ -255,6 +255,17 @@ public class LocalResult implements ResultInterface, ResultTarget {
         return rowId;
     }
     
+    private void cloneLobs(Value[] values) {
+        for (int i = 0; i < values.length; i++) {
+            Value v = values[i];
+            Value v2 = v.copyToResult();
+            if (v2 != v) {
+                session.addTemporaryLob(v2);
+                values[i] = v2;
+            }
+        }
+    }
+
     /**
      * Add a row to this object.
      *
@@ -262,6 +273,7 @@ public class LocalResult implements ResultInterface, ResultTarget {
      */
     @Override
     public void addRow(Value[] values) {
+        cloneLobs(values);
         if (distinct) {
             if (distinctRows != null) {
                 ValueArray array = ValueArray.get(values);