%_hints db6 'INDEX("MKPF","MKPF~BUD")'
db6 'INDEX("MSEG","MSEG~S")'
db6 'INDEX("MSEG","MSEG~M")'.
http://blog.chinaunix.net/u1/40527/showart.php?id=697490
转载于:https://www.cnblogs.com/yangliang/archive/2009/07/24/1530208.html