How do I get about user info who has done checkin in svn but that user not exist in crucible branch

[bhawna popli]

How do I get about user info who has done checkin in svn repository but that user does not exists in the corresponding crucible repository so that review should not shown when we use the following EyeQL query:

select revisions from dir / where (not in any review) group by changeset " \
"return csid, date, author, count(distinct csid)