method SALESORDERSET_GET_ENTITYSET.
    data: lv_osql_where_clause type string,
          ls_header TYPE ihttpnvp.
    lv_osql_where_clause = io_tech_request_context->get_osql_where_clause( ).
    ls_header-name = 'CURRENT_USER'.
    ls_header-value = sy-uname.
    set_header( is_header = ls_header ).
    select * from sepm_i_salesorder_e
      into corresponding fields of table @et_entityset
      where (lv_osql_where_clause).
  endmethod.