发现mysql中hash索引奇怪的行为
315224416
2012-05-02
create table t1(x char(10), y char(10), key hs using hash(x,y)) engine=myisam |
315224416
2012-05-02
create table t1(x char(10), y char(10), key hs using hash(x,y)) engine=myisam |