anchor.diff:  
     METHOD read.
   
  -    DATA: lv_xml TYPE string,
  -          lo_db  TYPE REF TO lcl_persistence_db.
  -
  -
  -    CREATE OBJECT lo_db.
  +    DATA: lv_xml TYPE string.
   
       TRY.
  -        lv_xml = lo_db->read(
  +        lv_xml = lcl_app=>db( )->read(
             iv_type  = c_type_user
             iv_value = mv_user ).
         CATCH lcx_not_found.
  
positive.code: 
    METHOD db_delete.
  
      DATA: lo_db     TYPE REF TO lcl_persistence_db,
            lv_answer TYPE c LENGTH 1,
            ls_key    TYPE lcl_persistence_db=>ty_content.
  
      ls_key        = lcl_html_action_utils=>dbkey_decode( iv_getdata ).
  
negative.code: 
      DATA: lv_string  TYPE string,
            ls_content TYPE lcl_persistence_db=>ty_content,
            lt_fields  TYPE tihttpnvp.
  
      FIELD-SYMBOLS: <ls_field> LIKE LINE OF lt_fields.
  