METHOD personset_update_entity.

    DATA: ls_entity     TYPE zcl_zodata_app_10_mpc=>ts_person,
          ls_key_value  TYPE zcl_zodata_app_10_mpc=>ts_person,
          ls_app_table1 TYPE zapp_table1.

    io_data_provider->read_entry_data( IMPORTING es_data = ls_entity ).
    io_tech_request_context->get_converted_keys( IMPORTING es_key_values = ls_key_value ).

    SELECT * FROM zapp_table1 INTO ls_app_table1 WHERE  id = ls_key_value.
      ls_app_table1-zzfirst_name = ls_entity-zzfirst_name.
      ls_app_table1-zzlast_name = ls_entity-zzlast_name.
      ls_app_table1-active = ls_entity-active.
      ls_app_table1-zz_login = sy-uname.
      MODIFY zapp_table1 FROM ls_app_table1.
      IF sy-subrc NE 0.
        "raise exception
      ENDIF.

    ENDSELECT.

    er_entity = ls_entity.

  ENDMETHOD.