Some more detail: campaign_model->bulk_status
file: code/Winxle::API::CreateCampaign::Model::Campaign 171: SELECT 172: c.uuid, 173: s.status, 174: s.modified, 175: rank() 176: OVER 177: (PARTITION BY s.campaign ORDER BY s.modified DESC) 178: AS rank
Window Functions are group-by on steroids