__SQL_GET_INTEGER(version_number, "SELECT file_version FROM co_%s_%s WHERE id=%d AND deleted=0", par_area, par_class, par_id)
if (!ok) cou_error(cnx, "Cannot get version number");
else
cou_setReturnValue( cnx,
(char *) loc_getPathForVersion( p, par_area, par_class, par_id, version_number),
CO_STRING
);