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 ×îÐÂÎÄÕ : mysql

mylab_sys_exec UDFµ÷ÓÃmysqlÍⲿϵͳÃüÁî(For linux)

ÓÐʱºòΪÁË·½±ã£¬ÀûÓÃevent/triggerµ÷ÓÃϵͳÍⲿÃüÁ¿ÉÒòΪ°²È«ÎÊÌ⣬mysql×ÔÉí²¢Ã»ÓÐÌṩÏà¹ØÃüÁÕâÀïÌṩ¸öµ÷ÓÃϵͳÃüÁîµÄ×Ô¶¨Ò庯Êýmylab_sys_exec
soÎļþÏÂÔØ:mylab_sys_exec.so ( mysql5.1.34 ²âÊÔͨ¹ý)
¼ÓÔØ:
CREATE FUNCTION mylab_sys_exec RETURNS INTEGER SONAME "mylab_sys_exec.so";
ʹÓÃ:
SELECT mylab_sys_exec ('CMD');
Ô´Âë:
my_bool mylab_sys_exec_init (UDF_INIT *initid, UDF_ARGS *args, char *message );
void mylab_sys_exec_deinit (UDF_INIT *initid );
int mylab_sys_exec (UDF_INIT *initid, UDF_ARGS *args, char *is_null, char *error );
 
my_bool mylab_sys_exec_init( UDF_INIT *initid, UDF_ARGS *args, char *message )
{
if(args->arg_count == 1 && args->arg_type[0]==STRING_RESULT)
{
return 0;
} else {
strcpy( message, "One string type parameter expected");
return 1;
}
}
void mylab_sys_exec_deinit ( UDF_INIT *initid ){}
int mylab_sys_exec( UDF_INIT *initid , UDF_ARGS *args , char *is_null , char *error)
{
return system (args->args[0]);
}
&nbs ......

mylab_sys_exec UDFµ÷ÓÃmysqlÍⲿϵͳÃüÁî(For linux)

ÓÐʱºòΪÁË·½±ã£¬ÀûÓÃevent/triggerµ÷ÓÃϵͳÍⲿÃüÁ¿ÉÒòΪ°²È«ÎÊÌ⣬mysql×ÔÉí²¢Ã»ÓÐÌṩÏà¹ØÃüÁÕâÀïÌṩ¸öµ÷ÓÃϵͳÃüÁîµÄ×Ô¶¨Ò庯Êýmylab_sys_exec
soÎļþÏÂÔØ:mylab_sys_exec.so ( mysql5.1.34 ²âÊÔͨ¹ý)
¼ÓÔØ:
CREATE FUNCTION mylab_sys_exec RETURNS INTEGER SONAME "mylab_sys_exec.so";
ʹÓÃ:
SELECT mylab_sys_exec ('CMD');
Ô´Âë:
my_bool mylab_sys_exec_init (UDF_INIT *initid, UDF_ARGS *args, char *message );
void mylab_sys_exec_deinit (UDF_INIT *initid );
int mylab_sys_exec (UDF_INIT *initid, UDF_ARGS *args, char *is_null, char *error );
 
my_bool mylab_sys_exec_init( UDF_INIT *initid, UDF_ARGS *args, char *message )
{
if(args->arg_count == 1 && args->arg_type[0]==STRING_RESULT)
{
return 0;
} else {
strcpy( message, "One string type parameter expected");
return 1;
}
}
void mylab_sys_exec_deinit ( UDF_INIT *initid ){}
int mylab_sys_exec( UDF_INIT *initid , UDF_ARGS *args , char *is_null , char *error)
{
return system (args->args[0]);
}
&nbs ......

LAMP(Linux+Apache+MySQL+PHP)·þÎñÆ÷µÄÐÔÄÜÓÅ»¯

ĿǰLAMP (Linux + Apache + MySQL + PHP) ½ü¼¸ÄêÀ´·¢Õ¹Ñ¸ËÙ£¬ÒѾ­³ÉΪWeb ·þÎñÆ÷µÄÊÂʵ±ê×¼¡£LAMP 
Õâ¸ö´ÊµÄÓÉÀ´×îÔçʼÓڵ¹úÔÓÖ¾“c't Magazine”£¬Michael KunzeÔÚ1990Äê×îÏȰÑÕâЩÏîÄ¿×éºÏÔÚÒ»Æð´´ÔìÁËLAMPµÄËõд×Ö¡£ÕâЩ×é¼þËäÈ»²¢²»ÊÇ¿ª¿ªÊ¼¾ÍÉè¼ÆÎªÒ»ÆðʹÓõ쬵«ÊÇ£¬ÕâЩ¿ªÔ´Èí¼þ¶¼¿ÉÒԺܷ½±ã µÄËæÊ±»ñµÃ²¢Ãâ·Ñ»ñµÃ¡£Õâ¾Íµ¼ÖÂÁËÕâЩ×é¼þ¾­³£ÔÚÒ»ÆðʹÓá£ÔÚ¹ýÈ¥µÄ¼¸ÄêÀÕâЩ×é¼þµÄ¼æÈÝÐÔ²»¶ÏÍêÉÆ£¬ÔÚÒ»ÆðµÄÓ¦ÓÃÇéÐαäµÃ·Ç³£ÆÕ±ã¡£ÎªÁ˸ÄÉÆ²»Í¬×é¼þ Ö®¼äµÄЭ×÷£¬ÒѾ­´´½¨ÁËijЩÀ©Õ¹¹¦ÄÜ¡£Ä¿Ç°£¬¼¸ºõÔÚËùÓеÄLinux·¢²¼°æÖж¼Ä¬Èϰüº¬ÁË“LAMP stack”µÄ²úÆ·¡£ÕâЩ²úÆ·×é³ÉÁËÒ»¸öÇ¿´óµÄWebÓ¦ÓóÌÐòƽ̨¡£“LAMP stack”ÖеÄÿһ¸ö×é¼þ¶¼ÊÇÒ»¸öFOSS(Ãâ·Ñ»òÕß¿ªÔ´Èí¼þ/Free or Open Source Software)µÄʵÀý¡£FOSS·½·¨µÄºÃ´¦ÓÐÈý¸ö·½Ãæ¡£µÚÒ»£¬FOSSÈí¼þµÄÐÔÖÊÒâζ×ÅÓ¦ÓóÌÐò¿ÉÒÔÃâ·ÑÏÂÔØ£¬Äܹ»Èøü¹ã·ºµÄÈËÃDz»Óø¶·Ñ¾Í¿ÉÒÔʹÓà Õâ¸öÓ¦ÓÃÈí¼þ¡£ÕâÖÖÃâ·ÑµÄ·½Ê½¶ÔÓÚ¹ã´óÓû§Ìرð¾ßÓÐÎüÒýÁ¦¡£ÕâЩÓû§Èç¹û²»Ê¹ÓÃÃâ·ÑµÄÈí¼þ¾ÍÐèÒª¸¶·Ñ¹ºÂò“רҵ”µÄÉÌÓÃÈí¼þ¹¤¾ß¡£ÕâÔÚÖÆ×÷ÍøÕ¾·½ÃæÍ¨³£ÊÇ Ò»ÖÖ°º¹óµÄ²½Öè¡£FOSSÐí¿ÉÖ¤ÊÇ¿ª·Åʽµ ......

LAMP(Linux+Apache+MySQL+PHP)·þÎñÆ÷µÄÐÔÄÜÓÅ»¯

ĿǰLAMP (Linux + Apache + MySQL + PHP) ½ü¼¸ÄêÀ´·¢Õ¹Ñ¸ËÙ£¬ÒѾ­³ÉΪWeb ·þÎñÆ÷µÄÊÂʵ±ê×¼¡£LAMP 
Õâ¸ö´ÊµÄÓÉÀ´×îÔçʼÓڵ¹úÔÓÖ¾“c't Magazine”£¬Michael KunzeÔÚ1990Äê×îÏȰÑÕâЩÏîÄ¿×éºÏÔÚÒ»Æð´´ÔìÁËLAMPµÄËõд×Ö¡£ÕâЩ×é¼þËäÈ»²¢²»ÊÇ¿ª¿ªÊ¼¾ÍÉè¼ÆÎªÒ»ÆðʹÓõ쬵«ÊÇ£¬ÕâЩ¿ªÔ´Èí¼þ¶¼¿ÉÒԺܷ½±ã µÄËæÊ±»ñµÃ²¢Ãâ·Ñ»ñµÃ¡£Õâ¾Íµ¼ÖÂÁËÕâЩ×é¼þ¾­³£ÔÚÒ»ÆðʹÓá£ÔÚ¹ýÈ¥µÄ¼¸ÄêÀÕâЩ×é¼þµÄ¼æÈÝÐÔ²»¶ÏÍêÉÆ£¬ÔÚÒ»ÆðµÄÓ¦ÓÃÇéÐαäµÃ·Ç³£ÆÕ±ã¡£ÎªÁ˸ÄÉÆ²»Í¬×é¼þ Ö®¼äµÄЭ×÷£¬ÒѾ­´´½¨ÁËijЩÀ©Õ¹¹¦ÄÜ¡£Ä¿Ç°£¬¼¸ºõÔÚËùÓеÄLinux·¢²¼°æÖж¼Ä¬Èϰüº¬ÁË“LAMP stack”µÄ²úÆ·¡£ÕâЩ²úÆ·×é³ÉÁËÒ»¸öÇ¿´óµÄWebÓ¦ÓóÌÐòƽ̨¡£“LAMP stack”ÖеÄÿһ¸ö×é¼þ¶¼ÊÇÒ»¸öFOSS(Ãâ·Ñ»òÕß¿ªÔ´Èí¼þ/Free or Open Source Software)µÄʵÀý¡£FOSS·½·¨µÄºÃ´¦ÓÐÈý¸ö·½Ãæ¡£µÚÒ»£¬FOSSÈí¼þµÄÐÔÖÊÒâζ×ÅÓ¦ÓóÌÐò¿ÉÒÔÃâ·ÑÏÂÔØ£¬Äܹ»Èøü¹ã·ºµÄÈËÃDz»Óø¶·Ñ¾Í¿ÉÒÔʹÓà Õâ¸öÓ¦ÓÃÈí¼þ¡£ÕâÖÖÃâ·ÑµÄ·½Ê½¶ÔÓÚ¹ã´óÓû§Ìرð¾ßÓÐÎüÒýÁ¦¡£ÕâЩÓû§Èç¹û²»Ê¹ÓÃÃâ·ÑµÄÈí¼þ¾ÍÐèÒª¸¶·Ñ¹ºÂò“רҵ”µÄÉÌÓÃÈí¼þ¹¤¾ß¡£ÕâÔÚÖÆ×÷ÍøÕ¾·½ÃæÍ¨³£ÊÇ Ò»ÖÖ°º¹óµÄ²½Öè¡£FOSSÐí¿ÉÖ¤ÊÇ¿ª·Åʽµ ......

LAMP(Linux+Apache+MySQL+PHP)·þÎñÆ÷µÄÐÔÄÜÓÅ»¯

ĿǰLAMP (Linux + Apache + MySQL + PHP) ½ü¼¸ÄêÀ´·¢Õ¹Ñ¸ËÙ£¬ÒѾ­³ÉΪWeb ·þÎñÆ÷µÄÊÂʵ±ê×¼¡£LAMP 
Õâ¸ö´ÊµÄÓÉÀ´×îÔçʼÓڵ¹úÔÓÖ¾“c't Magazine”£¬Michael KunzeÔÚ1990Äê×îÏȰÑÕâЩÏîÄ¿×éºÏÔÚÒ»Æð´´ÔìÁËLAMPµÄËõд×Ö¡£ÕâЩ×é¼þËäÈ»²¢²»ÊÇ¿ª¿ªÊ¼¾ÍÉè¼ÆÎªÒ»ÆðʹÓõ쬵«ÊÇ£¬ÕâЩ¿ªÔ´Èí¼þ¶¼¿ÉÒԺܷ½±ã µÄËæÊ±»ñµÃ²¢Ãâ·Ñ»ñµÃ¡£Õâ¾Íµ¼ÖÂÁËÕâЩ×é¼þ¾­³£ÔÚÒ»ÆðʹÓá£ÔÚ¹ýÈ¥µÄ¼¸ÄêÀÕâЩ×é¼þµÄ¼æÈÝÐÔ²»¶ÏÍêÉÆ£¬ÔÚÒ»ÆðµÄÓ¦ÓÃÇéÐαäµÃ·Ç³£ÆÕ±ã¡£ÎªÁ˸ÄÉÆ²»Í¬×é¼þ Ö®¼äµÄЭ×÷£¬ÒѾ­´´½¨ÁËijЩÀ©Õ¹¹¦ÄÜ¡£Ä¿Ç°£¬¼¸ºõÔÚËùÓеÄLinux·¢²¼°æÖж¼Ä¬Èϰüº¬ÁË“LAMP stack”µÄ²úÆ·¡£ÕâЩ²úÆ·×é³ÉÁËÒ»¸öÇ¿´óµÄWebÓ¦ÓóÌÐòƽ̨¡£“LAMP stack”ÖеÄÿһ¸ö×é¼þ¶¼ÊÇÒ»¸öFOSS(Ãâ·Ñ»òÕß¿ªÔ´Èí¼þ/Free or Open Source Software)µÄʵÀý¡£FOSS·½·¨µÄºÃ´¦ÓÐÈý¸ö·½Ãæ¡£µÚÒ»£¬FOSSÈí¼þµÄÐÔÖÊÒâζ×ÅÓ¦ÓóÌÐò¿ÉÒÔÃâ·ÑÏÂÔØ£¬Äܹ»Èøü¹ã·ºµÄÈËÃDz»Óø¶·Ñ¾Í¿ÉÒÔʹÓà Õâ¸öÓ¦ÓÃÈí¼þ¡£ÕâÖÖÃâ·ÑµÄ·½Ê½¶ÔÓÚ¹ã´óÓû§Ìرð¾ßÓÐÎüÒýÁ¦¡£ÕâЩÓû§Èç¹û²»Ê¹ÓÃÃâ·ÑµÄÈí¼þ¾ÍÐèÒª¸¶·Ñ¹ºÂò“רҵ”µÄÉÌÓÃÈí¼þ¹¤¾ß¡£ÕâÔÚÖÆ×÷ÍøÕ¾·½ÃæÍ¨³£ÊÇ Ò»ÖÖ°º¹óµÄ²½Öè¡£FOSSÐí¿ÉÖ¤ÊÇ¿ª·Åʽµ ......

winÏÂApache mysql PHPÅäÖÃ

1¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý
2¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý
3¡¢HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý ......

winÏÂApache mysql PHPÅäÖÃ

1¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý
2¡¢HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý
3¡¢HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL
Ŀ¼ɾ³ý ......

railsʹÓÃsqlite3ºÍmysqlµÄÎÊÌâ

1¡¢Èç¹ûʹÓÃsqlite3ʱ³öÏÖÈçÏ´íÎó£º
/!\ FAILSAFE /!\  Thu Jul 30 22:16:15 +0800 2009
  Status: 500 Internal Server Error
  unknown error
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `initialize'
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlopen'
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlload'
    c:/ruby/lib/ruby/1.8/dl/import.rb:27:in `each'
    c:/ruby/lib/ruby/1.8/dl/import.rb:27:in `dlload'
    c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.3-x86-mswin32/lib/sqlite3/driver/dl/api.rb:31
... ...
´ÓÍøÉÏÏÂÔØsqlite3.dll¡¢sqlite3.exe¿½±´µ½ÏµÍ³Ä¿Â¼Ï¼´¿É½â¾ö¡£
2¡¢Èç¹ûʹÓÃmysql£¬Ä¿Ç°rail2.3.3ÅäºÏmysql5±È½ÏÕý³££¬mysql6ÔÝʱÓÐЩÎÊÌâ¡£ÔÚ°²×°mysql5ºóÒª½«libmySQL.dll¿½±´µ½c:\ruby\binĿ¼Ï£¬±£Ö¤Çý¶¯¼ÓÔØÕýÈ·¡£ ......

railsʹÓÃsqlite3ºÍmysqlµÄÎÊÌâ

1¡¢Èç¹ûʹÓÃsqlite3ʱ³öÏÖÈçÏ´íÎó£º
/!\ FAILSAFE /!\  Thu Jul 30 22:16:15 +0800 2009
  Status: 500 Internal Server Error
  unknown error
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `initialize'
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlopen'
    c:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlload'
    c:/ruby/lib/ruby/1.8/dl/import.rb:27:in `each'
    c:/ruby/lib/ruby/1.8/dl/import.rb:27:in `dlload'
    c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.3-x86-mswin32/lib/sqlite3/driver/dl/api.rb:31
... ...
´ÓÍøÉÏÏÂÔØsqlite3.dll¡¢sqlite3.exe¿½±´µ½ÏµÍ³Ä¿Â¼Ï¼´¿É½â¾ö¡£
2¡¢Èç¹ûʹÓÃmysql£¬Ä¿Ç°rail2.3.3ÅäºÏmysql5±È½ÏÕý³££¬mysql6ÔÝʱÓÐЩÎÊÌâ¡£ÔÚ°²×°mysql5ºóÒª½«libmySQL.dll¿½±´µ½c:\ruby\binĿ¼Ï£¬±£Ö¤Çý¶¯¼ÓÔØÕýÈ·¡£ ......

MySQLÊÖ¼Ç002

1¡¢´´½¨Ò»¸öÊý¾Ý¿â
create database Êý¾Ý¿âÃû
2¡¢´´½¨Ò»¸öÊý¾Ý±í
create table Êý¾Ý±íÃû(
×Ö¶ÎÃû ÀàÐÍ(³¤¶È),
×Ö¶ÎÃû ÀàÐÍ(³¤¶È),
×Ö¶ÎÃû ÀàÐÍ(³¤¶È),
×Ö¶ÎÃû ÀàÐÍ(³¤¶È),
......
×Ö¶ÎÃû ÀàÐÍ(³¤¶È)
);
3¡¢²é¿´Êý¾Ý±í½á¹¹
describe Êý¾Ý±íÃû;
4¡¢²åÈëÒ»ÌõмǼ
insert into Êý¾Ý±íÃû values(Öµ1,Öµ2,....Öµn);
5¡¢ÒÔÎı¾·½Ê½²åÈë³ÉÅú¼Ç¼
load data local infile
ÎļþλÖà into table Êý¾Ý±íÃû
fields terminated by ½áÊø·û
lines terminated by ½áÊø·û;
ÒòΪÎı¾·½Ê½Ôø¾­³öÏÖµÄÎÊÌâhttp://topic.csdn.net/u/20091130/13/843e8ed5-8d63-4fcb-9429-44682667b8cf.html?1541 ......

mysql JDBC URL¸ñʽ¼°Æä²ÎÊý˵Ã÷

×î½üÓöµ½ÕâÑùµÄÎÊÌâ
»á±¨at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2351)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2862)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2988)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2917)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:824)
at com.zycy.db.DbTrans.executeQuery(DbTrans.java:127)
ÕâÑùµÄ´íÎó£¬ÖØÆôTomcat·þÎñºó¾ÍºÃÁË£¬µ«ÊǹýÒ»ÍíÉϾÍÓгöÏÖÕâÑùµÄÎÊÌâ
mysql JDBC URL¸ñʽÈçÏ£º
jdbc:mysql://[host:port],[host:port].../[database][?²ÎÊýÃû1][=²ÎÊýÖµ1][&²ÎÊýÃû2][=²ÎÊýÖµ2]...
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user
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password
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useUnicode
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