MATCH (col1,col2,...) AGAINST (expr [search_modifier]) 不过是个全文搜索函数而已,要讨论什么呢?
== 思想重于技巧 ==
11.8. Full-Text Search Functions MATCH (col1,col2,...) AGAINST (expr [search_modifier])search_modifier: { IN BOOLEAN MODE | IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | WITH QUERY EXPANSION }
MATCH (col1,col2,...) AGAINST (expr [search_modifier])search_modifier:
{
IN BOOLEAN MODE
| IN NATURAL LANGUAGE MODE
| IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION
| WITH QUERY EXPANSION
}
有高手能给解释解释这相关性的意思吗!?