### Eclipse Workspace Patch 1.0
#P moodle
Index: lib/db/install.xml
===================================================================
RCS file: /cvsroot/moodle/moodle/lib/db/install.xml,v
retrieving revision 1.197
diff -u -r1.197 install.xml
--- lib/db/install.xml	23 Mar 2009 08:15:21 -0000	1.197
+++ lib/db/install.xml	29 Mar 2009 09:20:24 -0000
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="lib/db" VERSION="20090323" COMMENT="XMLDB file for core Moodle tables"
+<XMLDB PATH="lib/db" VERSION="20090329" COMMENT="XMLDB file for core Moodle tables"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
 >
@@ -1032,7 +1032,9 @@
         <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Field data" PREVIOUS="fieldid"/>
       </FIELDS>
       <KEYS>
-        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
+        <KEY NAME="userid" TYPE="unique" FIELDS="userid" PREVIOUS="primary" NEXT="fieldid"/>
+        <KEY NAME="fieldid" TYPE="unique" FIELDS="fieldid" PREVIOUS="userid"/>
       </KEYS>
     </TABLE>
     <TABLE NAME="question_categories" COMMENT="Categories are for grouping questions" PREVIOUS="user_info_data" NEXT="question">