TODO

   1 06:33 <@mst>   $self->register_source($_ => $self->_journal_schema->source($_)) for $self->_journal_schema->sources;
   2
   3
   4 $resultset->delete and other bulk ops
   5   - in DBIC space? need repeatable reads to be safe
   6   - otherwise can we get it in the same expr?
   7
   8 $history->restore;
   9 $changeset->rollback; # all up to this point?
  10 $changeset->reverse; # only this one