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MySQL中文索引插件mysqlcft安装及使用
1.MySQL必须是动态编译安装的,以便加载动态链接库。
2.编辑MySQL配置文件my.cnf,在[mysqld]段中加入ft_min_word_len=1(意为最小词所占字节数)
3.安装mysqlcft中文全文索引插件
从命令行登入MySQL服务器
查看MySQL插件目录
Show variables like ‘plugin_dir’;
下载mysqlcft中文索引插件,解压后复制mysqlcft.so文件到MySQL的插件目录下
https://code.google.com/p/mysqlcft 有32位与64位可选
开始安装mysqlcft.so插件
Install plugin mysqlcft soname ‘mysqlcft.so’;
查看mysqlcft.so插件是否安装成功
show plugins;
4.卸载mysqlcft.so插件,卸载前请先删除使用mysqlcft建立的全文索引。
uninstall plugin mysqlcft;
5.为已经存在的表添加mysqlcft中文全文索引
创建单列全文索引
alter ignore table 数据库名.表名 add fulltext index 全文索引名(字段名) with parser mysqlcft;
创建全文联合索引
alter ignore table 数据库名.表名 add fulltext index 全文联合索引名(字段名1,字段名2) with parser mysqlcft;
6.查询使用样例
Select * from table where match(title) against(‘北京’ in Boolean mode);
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