ForgeActivity.find_by_sql("SELECT p.project_id, p.created_at FROM
ForgeActivity.find_by_sql("SELECT p.project_id, p.created_at FROM
(SELECT fa.project_id, MAX(fa.created_at) AS created_at FROM forge_activities fa WHERE fa.project_id IN (" + @user.projects.visible.select('projects.id').map{|p| p.id}.join(',') + ")
(SELECT fa.project_id, MAX(fa.created_at) AS created_at FROM forge_activities fa WHERE fa.project_id IN (" + @user.projects.visible.select('projects.id').map{|p| p.id}.join(',') + ")