PROMPT Force delete datastructure items that have an invalid datastructure_reference set

DECLARE
   bug_no varchar2(8) := 'CK903266';
BEGIN

  update ck_migration_objects set ci_created = 'N' where ci_stage = 'CKPREMIG' and ci_name = bug_no;

  for dsitm in 
  (
    select itm.id id
    from ci_datastructure_items@r212 itm
    where not exists ( select 1
                       from ci_datastructures@r212 ds
                       where itm.datastructure_reference = ds.id )
    and itm.application_system_owned_by in ( select ci_appid
	    					         from ck_migration_objects
						         where ci_stage = 'APPSEL' )
  )
  loop
    ciiutl.delete_element@r212(dsitm.id, 'ITM');
  
    delete from sdd_elements@r212
    where el_id = dsitm.id;  

  end loop; 

  update ck_migration_objects set ci_created = 'Y' where ci_stage = 'CKPREMIG' and ci_name = bug_no;
   
  commit;
  
EXCEPTION 
  when others then
     dbms_output.put_line (' ** Exception Raised ** ');
     dbms_output.put_line ('...ERROR: '||substrb(sqlerrm, 1, 200));
     raise;
	 
end;
/
