mysql中hash索引存在的奇怪的问题
create table t1(x char(10), y char(10), key hs using hash(x,y)) engine=myisaminsert into t1 values('fdsfd', 'gdfas'),('fds', 'gasd');
describe select * from t1 where x>'fd'
结果为
1SIMPLEt1indexhshs62 2Using where; Using index
请问hash索引这是怎么了, 支持范围查找了????????????????????????????
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