[Building Sakai] Puzzle: how to update SAKAI_USER_ID_MAP when LDAP username changes

[Joshua Swink]

Oops, there were a couple of typos ('eid' where it should have said
'userid'). Correction below.

> 2b) If two results were returned, do a swap.
>
> delete from SAKAI_USER_ID_MAP where EID='<new-eid>';
> update SAKAI_USER_ID_MAP set EID='<new-eid>' where USER_ID='<old-userid>';
> insert into SAKAI_USER_ID_MAP (USER_ID, EID) values('<new-userid>', '<old-eid>');

Josh