anchor.diff:  
   
   
  -CLASS ZCL_ABAPGIT_PERSISTENCE_DB IMPLEMENTATION.
  +CLASS zcl_abapgit_persistence_db IMPLEMENTATION.
   
   
     METHOD add.
  
positive.code:       WHERE type = iv_type
        AND value = iv_value.
      IF sy-subrc <> 0.
        zcx_abapgit_exception=>raise( 'DB Delete failed' ).
      ENDIF.
  
    ENDMETHOD.
  
negative.code: 
    METHOD delete.
  
      DATA lv_data TYPE string.
  
      lock( iv_type  = iv_type
            iv_value = iv_value ).
  
  