text: begin
    execute immediate q'[
  create type oracle_tools.t_ddl_sequence authid current_user under oracle_tools.t_ddl
  ( overriding member procedure text_to_compare
    ( self in oracle_tools.t_ddl_sequence
    , p_text_tab out nocopy oracle_tools.t_text_tab 
    )
  )
  final]';
  end;
  /
  