一 引子
在生产环境中，经常会有这样的场景：获得中文数据。那问题就来了，怎么才能匹配出中文字符呢？
本文提供两种方法。
二 演示
2.1 环境
mysql> SHOW VARIABLES LIKE "%version%";
+
-------------------------+------------------------------+
| Variable_name | Value |
+
-------------------------+------------------------------+
| protocol_version | 10 |
| version | 5.1.73 |
| version_comment | MySQL Community Server (GPL) |
| version_compile_machine | i386 |
| version_compile_os | apple-darwin10.3.0 |
+
-------------------------+------------------------------+
5 rows in set (0.00 sec)
2.2 创建测试表和插入测试数据
mysql -S /tmp/mysql_5173.sock -uroot -proot
创建测试表和插入测试数据。
mysql> USE test; Database changed mysql> CREATE TABLE user -> (name VARCHAR(20) -> ) DEFAULT CHARSET = utf8 ENGINE = INNODB; Query OK, 0 rows affected (0.10 sec) mysql> SHOW TABLE STATUS LIKE 'user' G; *************************** 1. row *************************** Name: user Engine: InnoDB Version: 10 Row_format: Compact Rows: 2 Avg_row_length: 8192 Data_length: 16384 Max_data_length: 0 Index_length: 0 Data_free: 0 Auto_increment: NULL Create_time: 2015-01-16 18:01:36 Update_time: NULL Check_time: NULL Collation: utf8_general_ci Checksum: NULL Create_options: Comment: 1 row in set (0.00 sec) ERROR: No query specified mysql> INSERT INTO user VALUES('robin'); Query OK, 1 row affected (0.01 sec) mysql> INSERT INTO user VALUES('温国兵'); Query OK, 1 row affected (0.00 sec) |
