Jabberd2 to Openfire MySQL data migration

Sorry for the bad post.  Here is a more readable version.
We are in the process of migrating jabberd2 MySQL data to Openfire and I noticed something about the data in the jabberd2 database that I hope someone can clarify for me.  Should there be a one to one correspondence between the usename field in the authreg table and the collection-owner field in the roster-items table?  I am asking this because I noticed that one of my active users, I will call him joeuser, is not in the authreg table but his JID is in the collection-owner field in roster-items and he has contacts there as well.  We are authenticating against LDAP and do not allow in band registration BTW.  Also, I do have over 5000 usenames in the authreg table so I am not sure why his name is not there.  My concern is that if I use a script such as this one http://www.igniterealtime.org/community/message/124965#124965 that reads the usenames from autheg that I will not get all of my user data migrated.  So should there be a one to one correspondence between the username field in the authreg table and the collection-owner field in the roster-items table or should I not be concerned about this?  Any help is appreciated.
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