SQLSTATE[HY000]: General error: 1267 Illegal mix of collations (utf8_general_ci,IMPLICIT) and (gb231

在操做MySQL數據庫時,報「php

error code [1267];html

Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'mysql

 

對於常見的亂碼問題,有的在數據庫自己已經爲gbk或gb2312時候,可是查詢出來倒是亂碼,這是由於mysql在鏈接的過程當中還有道編碼,所以將鏈接的編碼設爲gb2312或utf-8sql

便可,如:數據庫

jdbc:mysql://localhost:3306/ipanel?useUnicode=true&characterEncoding=UTF-8網站

hibernate和jdbc的參數設置是不同,但大致相同,網上相似的資料不少。ui

最重要的是這個問題:編碼

Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (gb2312_chinese_ci,IMPLICIT) for operation '='.net

相信有不少人碰到,意思是說字符編碼不同,不能進行比較,也就是說數據庫內部的編碼都不同,有的數據是firefox

gbk_chinese_ci,有的數據是gb2312_chinese_ci,所以解決此問題的核心就是將數據庫全部的編碼進行統一。

解決方案一:暫時
//噁心的gb2312不能使用,須要轉utf-8再繼續
$where = $where . iconv("gb2312","utf-8"," and USER_NAME='" . $uname . "'");

解決方案二:

進入命令行模式,

若是MySQL數據庫已經安裝好,可使用下列SQL命令查看MySQL當前的字符集設置: 
mysql> SHOW VARIABLES LIKE 'character_set_%'; 
+--------------------------+----------------------------+ 
| Variable_name | Value | 
+--------------------------+----------------------------+ 
| character_set_client | latin1 | 
| character_set_connection | latin1 | 
| character_set_database | latin1 | 
| character_set_results | latin1 | 
| character_set_server | latin1 | 
| character_set_system | utf8 | 
| character_sets_dir | /usr/share/mysql/charsets/ | 
+--------------------------+----------------------------+ 
7 rows in set (0.00 sec) 

mysql> SHOW VARIABLES LIKE 'collation_%'; 
+----------------------+-------------------+ 
| Variable_name | Value | 
+----------------------+-------------------+ 
| collation_connection | latin1_swedish_ci | 
| collation_database | latin1_swedish_ci | 
| collation_server | latin1_swedish_ci | 
+----------------------+-------------------+ 
3 rows in set (0.00 sec)

 

依次執行:

set character_set_client =gb2312; 

set character_set_connection =gb2312; 

set character_set_database =gb2312; 

set character_set_results =gb2312; 

set character_set_server =gb2312; 

set character_set_system =gb2312; --此處utf-8也能夠

而後執行:

SET collation_server = gb2312_chinese_ci


SET collation_database = gb2312_chinese_ci

 

SET collation_connection =gb2312_chinese_ci

執行完以後,請檢查mysql下每一個數據庫,表,字段是否都是gb2312,不是則改過來,這樣子就不會出現

Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (gb2312_chinese_ci,IMPLICIT) for operation '='這個錯誤了,網上有資料說要重裝,其實根本就沒必要,改動其編碼便可

 

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PHP5.2+MYSQL5.1+APACHE2.29  IE6,firefor2,firefox3 
      PHP網頁向MYSQL數據庫插入記錄時出現以下問題。 Illegal mix of collations (gbk_chinese_ci,IMPLICIT) and (latin1_swedish_ci,COERCIBLE) for operation '='        ???????????? 解決方法:1.注意PHP網站  charset=UTF-8"               <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />                 2.數據庫鏈接設置爲 utf8編碼 <?php # FileName="Connection_php_mysql.htm" # Type="MYSQL" # HTTP="true" $hostname_member = "localhost"; $database_member = "member"; $username_member = "root"; $password_member = "123456"; $member = mysql_pconnect($hostname_member, $username_member, $password_member) or trigger_error(mysql_error(),E_USER_ERROR); mysql_query("set names gbk"); ?>           請修改成  mysql_query("set names utf8");           中文問題花去一天時間,請注意php和MYSQL編碼發送相同問題。與MYSQL數據庫編碼無關           有問題聯繫 

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