请问我用以下命令:
select * from search where match(tissue) against ('lung*' in boolean mode) limit 0,2;
所用时间是0.01
但是我进行排序后慢了很多:
select * from search where match(tissue) against ('lung*' in boolean mode) order by gene asc limit 0,2;
我该怎么修改或者加个什么索引让速度变快呢?谢谢!