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  • SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '/tmp/ClientActionTrack2015112511.txt' 不堵塞事务

    mysql> insert into ClientActionTrack20151125(clientSn,ip,url,httpMethod,requestParams,requestHeader,pageUrl,sessionId,startTime,completeTime) values(11,'1.1.1.1',NULL,' 用户注册-register-成功',NULL,NULL,NULL,NULL,now(),now());
    Query OK, 1 row affected (0.03 sec)
    
    mysql> select * from ClientActionTrack20151125 where ipd='1.1.1.1';
    ERROR 1054 (42S22): Unknown column 'ipd' in 'where clause'
    mysql> select * from ClientActionTrack20151125 where ip='1.1.1.1';
    
    
    insert into ClientActionTrack20151125(clientSn,ip,url,httpMethod,requestParams,requestHeader,pageUrl,sessionId,startTime,completeTime) 
    
    select clientSn,ip,url,httpMethod,requestParams,requestHeader,pageUrl,sessionId,startTime,completeTime from ClientActionTrack20151125;
    
    SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '/tmp/ClientActionTrack20151125.txt' /*!50138 CHARACTER SET binary */ FROM `ClientActionTrack20151125`; 
    
    
    Session 1:
    mysql> SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '/tmp/ClientActionTrack2015112511.txt' /*!50138 CHARACTER SET binary */ FROM `ClientActionTrack20151125`;  
    
    
    
    Session 2:
    
    mysql> insert into ClientActionTrack20151125(clientSn,ip,url,httpMethod,requestParams,requestHeader,pageUrl,sessionId,startTime,completeTime) values(11,'1.1.1.1',NULL,' 用户注册-register-成功',NULL,NULL,NULL,NULL,now(),now());
    Query OK, 1 row affected (0.00 sec)
    
    mysql> commit;
    Query OK, 0 rows affected (0.00 sec)
    
    
    不堵塞事务

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  • 原文地址:https://www.cnblogs.com/zhaoyangjian724/p/6198963.html
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