dp_sql_struct_do_update_or_insert

dp_sql_struct_do_update_or_insert   db   sql_struct   table_name   { where_clause "" }

Source code:

    set ora_result [dp_sql_struct_do_update  $db $sql_struct $table_name $where_clause]

    if {$ora_result == 0} {
	return [dp_sql_struct_do_insert $db $sql_struct $table_name]
    }