Update Dao.java

Author: AnghelLeonard

HibernateSpringBootBatchInsertsViaSession/src/main/java/com/jpa/Dao.java

@@ -58,11 +58,16 @@ public <S extends T> Iterable<S> saveInBatch(Iterable<S> entities) {
                 i = 0;
             }
         }
+        
+        if (i > 0) {
+            entityManager.flush();
+            entityManager.clear();
+        }    
 
         return result;
     }
 
     protected EntityManager getEntityManager() {
         return entityManager;
     }
-}
+}