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sphinx实现联合查询几个例子

发布时间:2022-06-28 14:03 所属栏目:115 来源:互联网
导读:sphinx也就是一个像mysql数据库的工具了,我们可以在linux中使用sphinx来替换mysql了,下面小编整理了几个sphinx联合查询的语句,记得以前sphinx是不支持联合查询的,第一次接触sphinx,好像2010年初的时候,当时写过一篇关于sphinx安装的文章,sphinx mmseg mysql
  sphinx也就是一个像mysql数据库的工具了,我们可以在linux中使用sphinx来替换mysql了,下面小编整理了几个sphinx联合查询的语句,记得以前sphinx是不支持联合查询的,第一次接触sphinx,好像2010年初的时候,当时写过一篇关于sphinx安装的文章,sphinx mmseg mysql 中文分词,下面举例说明,sphinx的联合查询用法.
 
  一,添加二张测试表和数据,代码如下:
 
  1,users表和数据
 
  mysql> desc users;   
  +----------+-------------+------+-----+---------+----------------+   
  | Field | Type | Null | Key | Default | Extra |   
  +----------+-------------+------+-----+---------+----------------+   
  | user_id | int(11) | NO | PRI | NULL | auto_increment |   
  | username | varchar(20) | NO | | NULL | |   
  +----------+-------------+------+-----+---------+----------------+   
  2 rows in set (0.00 sec)   
    --phpfensi.com
  mysql> select * from users;   
  +------------+------------+   
  | user_id | username |   
  +------------+------------+   
  | 1311895262 | 张三 |   
  | 1311895263 | tank张二 |   
  | 1311895264 | tank张一 |   
  | 1311895265 | tank张 |   
  +------------+------------+   
  4 rows in set (0.00 sec)
  2,orders表和数据
 
  mysql> desc orders;   
  +--------------+-------------+------+-----+---------+----------------+   
  | Field | Type | Null | Key | Default | Extra |   
  +--------------+-------------+------+-----+---------+----------------+   
  | id | int(11) | NO | PRI | NULL | auto_increment |   
  | user_id | int(11) | NO | | NULL | |   
  | create_time | datetime | NO | | NULL | |   
  | product_name | varchar(20) | NO | | NULL | |   
  | summary | text | NO | | NULL | |   
  +--------------+-------------+------+-----+---------+----------------+   
  5 rows in set (0.00 sec)   
     
  mysql> select * from orders;   
  +----+------------+---------------------+----------------+--------------+   
  | id | user_id | create_time | product_name | summary |   
  +----+------------+---------------------+----------------+--------------+   
  | 9 | 1311895262 | 2014-08-01 00:24:54 | tank is 坦克 | 技术总监 |   
  | 10 | 1311895263 | 2014-08-01 00:24:54 | tank is 坦克 | 技术经理 |   
  | 11 | 1311895264 | 2014-08-01 00:24:54 | tank is 坦克 | DNB经理 |   
  | 12 | 1311895265 | 2014-08-01 00:24:54 | tank is 坦克 | 运维总监 |   
  +----+------------+---------------------+----------------+--------------+   
  4 rows in set (0.00 sec)
  二,配置sphinx.conf,代码如下:
 
  source order   
  {   
   type = mysql   
   sql_host = localhost   
   sql_user = root   
   sql_pass =   
   sql_db = test   
   sql_query_pre = SET NAMES utf8   
   sql_query = \   
   SELECT a.id, a.user_id,b.username, UNIX_TIMESTAMP(a.create_time) AS create_time, a.product_name, a.summary \   
   FROM orders a left join users b on a.user_id = b.user_id   
   sql_attr_uint = user_id   
   sql_field_string = username   
   sql_field_string = product_name   
   sql_attr_timestamp = create_time   
   sql_ranged_throttle = 0   
   sql_query_info = SELECT * FROM orders WHERE id=$id   
  }   
     
  index myorder   
  {   
   source = order   
   path = /usr/local/sphinx/var/data/myorder   
   docinfo = extern   
   mlock = 0   
   morphology = none   
   min_word_len = 1   
   charset_dictpath = /usr/local/mmseg3/etc/   
   charset_type = zh_cn.utf-8   
   ngram_len = 0   
   html_strip = 0   
  }
  注意:在这里a.user_id = b.user_id,等号二边一定要有空格,不然就会报错.
 
  三,重启sphinx,代码如下:
 
  # pkill searchd   
  # /usr/local/sphinx/bin/indexer --config /usr/local/sphinx/etc/sphinx.conf --all   
  # /usr/local/sphinx/bin/searchd --config /usr/local/sphinx/etc/sphinx.conf
  四,测试sphinx,代码如下:
 
  [root@localhost etc]# mysql -h 127.0.0.1 -P 9306 //登录sphinx,9306端口,不是真实的mysql   
  Welcome to the MySQL monitor. Commands end with ; or \g.   
  Your MySQL connection id is 1   
  Server version: 1.11-id64-dev (r2540)   
     
  Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.   
     
  Oracle is a registered trademark of Oracle Corporation and/or its   
  affiliates. Other names may be trademarks of their respective   
  owners.   
     
  Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.   
     
  mysql> select * from myorder where match('张');   
  +------+--------+------------+------------+-------------+----------------+   
  | id | weight | user_id | username | create_time | product_name |   
  +------+--------+------------+------------+-------------+----------------+   
  | 9 | 1304 | 1311895262 | 张三 | 1406823894 | tank is 坦克 |   
  | 10 | 1304 | 1311895263 | tank张二 | 1406823894 | tank is 坦克 |   
  | 11 | 1304 | 1311895264 | tank张一 | 1406823894 | tank is 坦克 |   
  | 12 | 1304 | 1311895265 | tank张 | 1406823894 | tank is 坦克 |   
  +------+--------+------------+------------+-------------+----------------+   
  4 rows in set (0.01 sec)   
     
  mysql> select * from myorder where match('张三');   
  +------+--------+------------+----------+-------------+----------------+   
  | id | weight | user_id | username | create_time | product_name |   
  +------+--------+------------+----------+-------------+----------------+   
  | 9 | 2500 | 1311895262 | 张三 | 1406823894 | tank is 坦克 |   
  +------+--------+------------+----------+-------------+----------------+   
  1 row in set (0.00 sec)。
 

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