postgresql7.2 select logger_project__new ( :project_id, :name, :description, :project_lead, :creation_user, :creation_ip, :package_id ); select logger_project__del(:project_id); select min(p.projection_id) from logger_projections p where p.project_id = :project_id and p.variable_id = :variable_id and current_timestamp between p.start_time and p.end_time