Index: lams_tool_laqa/conf/hibernate/mappings/QaContent.hbm.xml
===================================================================
diff -u -re4fa840a72a71bfd8608fbb2ac359e59832bf881 -r5fe2b3e8754297d2c9f5d92689842b786d74d05d
--- lams_tool_laqa/conf/hibernate/mappings/QaContent.hbm.xml	(.../QaContent.hbm.xml)	(revision e4fa840a72a71bfd8608fbb2ac359e59832bf881)
+++ lams_tool_laqa/conf/hibernate/mappings/QaContent.hbm.xml	(.../QaContent.hbm.xml)	(revision 5fe2b3e8754297d2c9f5d92689842b786d74d05d)
@@ -11,14 +11,23 @@
 >
 
     <id
-        name="qaContentId"
+        name="uid"
         type="java.lang.Long"
-        column="qa_content_id"
+        column="uid"
     >
-	    <generator class="assigned"/>
+        <generator class="native" />
     </id>
 
 
+	<property
+        name="qaContentId"
+        type="java.lang.Long"
+        column="qa_content_id"
+        not-null="true"
+        length="20"
+    >
+    </property>
+
     <property
         name="title"
         type="java.lang.String"